Institutions Holding Put Options on Regeneron Pharmaceuticals, Inc. (REGN)
This table provides information about the put option holders of Regeneron Pharmaceuticals, Inc. (REGN). We have compiled data on the institutions that hold put options on the stock, with a total of 1.37 Million put options outstanding, which have been reported (via 13F filing form) to have a value of $765 Million at the end of the reported quarter. These put option holders have the right, but not the obligation, to sell AAPL shares at a specified price within a certain time frame.
| Holding | Report Date | puts Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
720,300
puts
|
$401 Million
0.05% of portfolio
|
Q2 2025
Added 36.68%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
189,400
puts
|
$105 Million
0.02% of portfolio
|
Q1 2025
Reduced 8.63%
|
|
|
Lmr Partners LLP
London, X0 |
Aug 14, 2025 Q2 2025 |
97,800
puts
|
$54.4 Million
0.49% of portfolio
|
Q2 2025
New holding
|
|
|
Peak6 LLC
Chicago, IL |
Aug 13, 2025 Q2 2025 |
81,000
puts
|
$45.1 Million
0.08% of portfolio
|
Q2 2025
New holding
|
|
|
Caption Management, LLC
Oklahoma City, OK |
Aug 14, 2025 Q2 2025 |
60,000
puts
|
$33.4 Million
0.39% of portfolio
|
Q2 2025
New holding
|
|
|
Wolverine Trading, LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
54,500
puts
|
$30.3 Million
0.04% of portfolio
|
Q1 2025
Added 21.11%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
44,500
puts
|
$24.8 Million
0.04% of portfolio
|
Q2 2025
Reduced 19.68%
|
|
|
Eisler Capital (Uk) Ltd.
London, X0 |
Nov 14, 2024 Q3 2024 |
43,962
puts
|
$24.5 Million
0.21% of portfolio
|
Q3 2024
Added 3.51%
|
|
|
Qube Research & Technologies LTD
London, X0 |
Aug 14, 2025 Q2 2025 |
43,100
puts
|
$24 Million
0.02% of portfolio
|
Q2 2025
Reduced 21.78%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
40,900
puts
|
$22.8 Million
0.01% of portfolio
|
Q1 2025
Reduced 30.91%
|
|
|
Jane Street Group, LLC
New York, NY |
May 19, 2025 Q1 2025 |
40,800
puts
|
$22.7 Million
0.01% of portfolio
|
Q1 2025
Added 67.21%
|
|
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
May 15, 2025 Q1 2025 |
33,200
puts
|
$18.5 Million
0.07% of portfolio
|
Q1 2025
Added 232.0%
|
|
|
Capital Fund Management S.A.
Paris, I0 |
Aug 13, 2025 Q2 2025 |
31,700
puts
|
$17.6 Million
0.05% of portfolio
|
Q2 2025
Reduced 60.23%
|
|
|
Eisler Capital Management Ltd.
London, X0 |
Aug 12, 2025 Q2 2025 |
28,100
puts
|
$15.6 Million
0.09% of portfolio
|
Q2 2025
Reduced 4.1%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
27,100
puts
|
$15.1 Million
0.0% of portfolio
|
Q2 2025
Added 11.07%
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
22,200
puts
|
$12.4 Million
0.0% of portfolio
|
Q2 2025
Reduced 62.18%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Aug 14, 2025 Q2 2025 |
18,200
puts
|
$10.1 Million
0.01% of portfolio
|
Q2 2025
Reduced 22.88%
|
|
|
Squarepoint Ops LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
13,600
puts
|
$7.57 Million
0.01% of portfolio
|
Q2 2025
Reduced 30.96%
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Aug 14, 2025 Q2 2025 |
13,100
puts
|
$7.29 Million
0.03% of portfolio
|
Q2 2025
Reduced 1.5%
|
|
|
Peak6 Investments LLC
Chicago, IL |
Nov 13, 2024 Q3 2024 |
11,000
puts
|
$6.12 Million
0.03% of portfolio
|
Q3 2024
Added 5.77%
|
|
|
Walleye Capital LLC
Plymouth, MN |
Aug 13, 2025 Q2 2025 |
10,700
puts
|
$5.96 Million
0.02% of portfolio
|
Q2 2025
Added 91.07%
|
|
|
Walleye Trading LLC
Plymouth, MN |
Aug 13, 2025 Q2 2025 |
9,200
puts
|
$5.12 Million
0.01% of portfolio
|
Q2 2025
Reduced 16.36%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
7,500
puts
|
$4.17 Million
0.0% of portfolio
|
Q2 2025
Reduced 56.4%
|
|
|
J. Goldman & CO LP
New York, NY |
Aug 14, 2025 Q2 2025 |
6,000
puts
|
$3.34 Million
0.08% of portfolio
|
Q2 2025
New holding
|
|
|
Sig Brokerage, LP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
5,700
puts
|
$3.17 Million
0.08% of portfolio
|
Q2 2025
New holding
|