Put Options Transactions Made in Q4 2023 in Western Digital Corp (WDC)
This table provides information about the institutional ownership of Western Digital Corp (WDC) during Q4 2023. The information is specifically focused on institutions that hold put options of WESTERN DIGITAL CORP.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History | 
|---|---|---|---|---|---|---|---|
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Ken Griffin                        
      Citadel Advisors LLC | Chicago, Il
   
           
             | 
            
               BUY                   
             | 
            PUT | 
              714K+ 93.61% | 
            
                                   
                  $27.3M - $37.8M
                 
             |    
            
                                 
                1.48M
                $222M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Lmr Partners LLP
       
           
            London, X0  | 
            
               BUY                   
             | 
            PUT | 
              536K+ 6379.76% | 
            
                                   
                  $20.5M - $28.4M
                 
             |    
            
                                 
                544K
                $81.8M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Walleye Trading LLC
       
           
            Plymouth, MN  | 
            
               BUY                   
             | 
            PUT | 
              401K+ 89.63% | 
            
                                   
                  $15.3M - $21.2M
                 
             |    
            
                                 
                849K
                $127M
                
             |               
            |
| 
               
                  Jan 19, 2024
                  Q4 2023
                 
               |   
            
              
   
      Portman Square Capital LLP
       
           
            London, X0  | 
            
               BUY                   
             | 
            PUT | 
              341K+ 343.59% | 
            
                                   
                  $13M - $18M
                 
             |    
            
                                 
                440K
                $66M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Israel Englander                        
      Millennium Management LLC | New York, Ny
   
           
             | 
            
               BUY                   
             | 
            PUT | 
              241K+ 26.49% | 
            
                                   
                  $9.23M - $12.8M
                 
             |    
            
                                 
                1.15M
                $173M
                
             |               
            |
| 
               
                  Feb 13, 2024
                  Q4 2023
                 
               |   
            
              
   
      Goldman Sachs Group Inc
       
           
            New York, NY  | 
            
               BUY                   
             | 
            PUT | 
              209K+ 32.19% | 
            
                                   
                  $8.01M - $11.1M
                 
             |    
            
                                 
                860K
                $129M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Walleye Capital LLC
       
           
            Plymouth, MN  | 
            
               BUY                   
             | 
            PUT | 
              207K+ 81.04% | 
            
                                   
                  $7.92M - $11M
                 
             |    
            
                                 
                462K
                $69.4M
                
             |               
            |
| 
               
                  Feb 12, 2024
                  Q4 2023
                 
               |   
            
              
   
      Hsbc Holdings PLC
       
           
            London, X0  | 
            
               BUY                   
             | 
            PUT | 
              129KNew | 
            
                                   
                  $4.92M - $6.81M
                 
             |    
            
                                 
                129K
                $19.3M
                
             |               
            |
| 
               
                  Feb 01, 2024
                  Q4 2023
                 
               |   
            
              
   
      Wolverine Asset Management LLC
      
   
           
             | 
            
               BUY                   
             | 
            PUT | 
              126KNew | 
            
                                   
                  $4.81M - $6.65M
                 
             |    
            
                                 
                126K
                $18.9M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      D. E. Shaw & Co., Inc.
       
           
            New York, NY  | 
            
               BUY                   
             | 
            PUT | 
              100K+ 31.42% | 
            
                                   
                  $3.83M - $5.29M
                 
             |    
            
                                 
                418K
                $62.8M
                
             |               
            |
| 
               
                  Feb 15, 2024
                  Q4 2023
                 
               |   
            
              
   
      Barclays PLC
       
           
            London, X0  | 
            
               BUY                   
             | 
            PUT | 
              60KNew | 
            
                                   
                  $2.3M - $3.18M
                 
             |    
            
                                 
                60K
                $9.01M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Capital Fund Management S.A.
       
           
            Paris, I0  | 
            
               BUY                   
             | 
            PUT | 
              49.8KNew | 
            
                                   
                  $1.91M - $2.64M
                 
             |    
            
                                 
                49.8K
                $7.48M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Wolverine Trading, LLC
       
           
            Chicago, IL  | 
            
               BUY                   
             | 
            PUT | 
              36.6K+ 19.39% | 
            
                                   
                  $1.4M - $1.94M
                 
             |    
            
                                 
                225K
                $33.9M
                
             |               
            |
| 
               
                  Feb 12, 2024
                  Q4 2023
                 
               |   
            
              
   
      Capstone Investment Advisors, LLC
       
           
            New York, NY  | 
            
               BUY                   
             | 
            PUT | 
              25.7K+ 49.71% | 
            
                                   
                  $983K - $1.36M
                 
             |    
            
                                 
                77.4K
                $11.6M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Steven Cohen                        
      Point72 Asset Management, L.P. | Stamford, Ct
   
           
             | 
            
               BUY                   
             | 
            PUT | 
              23K+ 43.73% | 
            
                                   
                  $880K - $1.22M
                 
             |    
            
                                 
                75.6K
                $11.4M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Css LLC
       
           
            Chicago, IL  | 
            
               BUY                   
             | 
            PUT | 
              18.2KNew | 
            
                                   
                  $696K - $963K
                 
             |    
            
                                 
                18.2K
                $2.73M
                
             |               
            |
| 
               
                  Feb 09, 2024
                  Q4 2023
                 
               |   
            
              
   
      Ubs Group Ag
      
   
           
             | 
            
               BUY                   
             | 
            PUT | 
              18K+ 5.34% | 
            
                                   
                  $689K - $953K
                 
             |    
            
                                 
                355K
                $53.3M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Squarepoint Ops LLC
       
           
            New York, NY  | 
            
               BUY                   
             | 
            PUT | 
              17.6K+ 7.25% | 
            
                                   
                  $673K - $932K
                 
             |    
            
                                 
                260K
                $39.1M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Caas Capital Management LP
       
           
            New York, NY  | 
            
               BUY                   
             | 
            PUT | 
              17.2KNew | 
            
                                   
                  $658K - $910K
                 
             |    
            
                                 
                17.2K
                $2.58M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Balyasny Asset Management LLC
       
           
            Chicago, IL  | 
            
               BUY                   
             | 
            PUT | 
              7.6K+ 76.0% | 
            
                                   
                  $291K - $402K
                 
             |    
            
                                 
                17.6K
                $2.64M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Verition Fund Management LLC
       
           
            Greenwich, CT  | 
            
               BUY                   
             | 
            PUT | 
              7.1K+ 47.33% | 
            
                                   
                  $272K - $376K
                 
             |    
            
                                 
                22.1K
                $3.32M
                
             |               
            |
| 
               
                  Feb 13, 2024
                  Q4 2023
                 
               |   
            
              
   
      Qube Research & Technologies LTD
       
           
            London, X0  | 
            
               BUY                   
             | 
            PUT | 
              5.9KNew | 
            
                                   
                  $226K - $312K
                 
             |    
            
                                 
                5.9K
                $886K
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Two Sigma Securities, LLC
       
           
            New York, NY  | 
            
               BUY                   
             | 
            PUT | 
              3.6K+ 15.52% | 
            
                                   
                  $138K - $191K
                 
             |    
            
                                 
                26.8K
                $4.03M
                
             |               
            |
| 
               
                  Feb 13, 2024
                  Q4 2023
                 
               |   
            
              
   
      Peak6 Investments LLC
       
           
            Chicago, IL  | 
            
               BUY                   
             | 
            PUT | 
              600+ 0.37% | 
            
                                   
                  $23K - $31.8K
                 
             |    
            
                                 
                163K
                $24.4M
                
             |               
            |
| 
               
                  Feb 12, 2024
                  Q4 2023
                 
               |   
            
              
   
      High Tower Advisors, LLC
       
           
            Chicago, IL  | 
            
               BUY                   
             | 
            PUT | 
              98+ 4900.0% | 
            
                                   
                  $3.75K - $5.19K
                 
             |    
            
                                 
                100
                $15K
                
             |               
            |
| 
               
                  Feb 12, 2024
                  Q4 2023
                 
               |   
            
              
   
      Capula Management LTD
       
           
            Grand Cayman, E9  | 
            
               SELL                   
             | 
            PUT | 
              -2.7K- 8.33% | 
            
                                   
                  $103K - $143K
                 
             |    
            
                                 
                29.7K
                $4.46M
                
             |               
            |
| 
               
                  Jan 18, 2024
                  Q4 2023
                 
               |   
            
              
   
      Cutler Group LP
      
   
           
             | 
            
               SELL                   
             | 
            PUT | 
              -5.6K- 21.21% | 
            
                                   
                  $214K - $296K
                 
             |    
            
                                 
                20.8K
                $3.12M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Parallax Volatility Advisers, L.P.
       
           
            San Francisco, CA  | 
            
               SELL                   
             | 
            PUT | 
              -17.3K- 18.19% | 
            
                                   
                  $662K - $916K
                 
             |    
            
                                 
                77.8K
                $11.7M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Cubist Systematic Strategies, LLC
       
           
            Stamford, CT  | 
            
               SELL                   
             | 
            PUT | 
              -20.3K- 39.11% | 
            
                                   
                  $777K - $1.07M
                 
             |    
            
                                 
                31.6K
                $4.75M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Gts Securities LLC
       
           
            New York, NY  | 
            
               SELL                   
             | 
            PUT | 
              -41.5K- 14.16% | 
            
                                   
                  $1.59M - $2.2M
                 
             |    
            
                                 
                252K
                $37.8M
                
             |               
            |
| 
               
                  Feb 13, 2024
                  Q4 2023
                 
               |   
            
              
   
      Eisler Capital (Uk) Ltd.
       
           
            London, X0  | 
            
               SELL                   
             | 
            PUT | 
              -170K- 35.87% | 
            
                                   
                  $6.5M - $9M
                 
             |    
            
                                 
                304K
                $45.6M
                
             |               
            |
| 
               
                  Feb 14, 2024
                  Q4 2023
                 
               |   
            
              
   
      Susquehanna International Group, LLP
       
           
            Bala Cynwyd, PA  | 
            
               SELL                   
             | 
            PUT | 
              -864K- 52.58% | 
            
                                   
                  $33.1M - $45.7M
                 
             |    
            
                                 
                779K
                $117M
                
             |