Institutions Holding Put Options on Merck & Co., Inc. (MRK)
This table provides information about the put option holders of Merck & Co., Inc. (MRK). We have compiled data on the institutions that hold put options on the stock, with a total of 23.5 Million put options outstanding, which have been reported (via 13F filing form) to have a value of $1.81 Billion 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 |
|---|---|---|---|---|---|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
3,598,400
puts
|
$277 Million
0.06% of portfolio
|
Q1 2025
Added 161.04%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
May 14, 2025 Q1 2025 |
3,593,800
puts
|
$276 Million
0.06% of portfolio
|
Q1 2025
Added 52.8%
|
|
|
Bank Of America Corp
Charlotte, NC |
May 15, 2025 Q1 2025 |
1,649,200
puts
|
$127 Million
0.01% of portfolio
|
Q1 2025
Added 30.21%
|
|
|
Jane Street Group, LLC
New York, NY |
May 19, 2025 Q1 2025 |
1,637,000
puts
|
$126 Million
0.04% of portfolio
|
Q1 2025
Added 352.71%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
1,604,600
puts
|
$123 Million
0.08% of portfolio
|
Q1 2025
Added 155.18%
|
|
|
Hudson Bay Capital Management LP
Greenwich, CT |
May 14, 2025 Q1 2025 |
1,109,500
puts
|
$85.3 Million
0.34% of portfolio
|
Q1 2025
Added 105.46%
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
1,089,400
puts
|
$83.7 Million
0.02% of portfolio
|
Q1 2025
Added 17.44%
|
|
|
Capital Fund Management S.A.
Paris, I0 |
May 14, 2025 Q1 2025 |
1,045,300
puts
|
$80.3 Million
0.28% of portfolio
|
Q1 2025
Added 68.11%
|
|
|
Qube Research & Technologies LTD
London, X0 |
May 15, 2025 Q1 2025 |
1,041,000
puts
|
$80 Million
0.11% of portfolio
|
Q1 2025
Added 172.58%
|
|
|
Squarepoint Ops LLC
New York, NY |
May 15, 2025 Q1 2025 |
973,000
puts
|
$74.8 Million
0.11% of portfolio
|
Q1 2025
Added 535.53%
|
|
|
Citigroup Inc
|
May 12, 2025 Q1 2025 |
654,000
puts
|
$50.3 Million
0.03% of portfolio
|
Q1 2025
Reduced 14.78%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
651,000
puts
|
$50 Million
0.0% of portfolio
|
Q2 2024
New holding
|
|
|
Eisler Capital (Uk) Ltd.
London, X0 |
Nov 14, 2024 Q3 2024 |
642,894
puts
|
$49.4 Million
0.34% of portfolio
|
Q3 2024
Added 30.32%
|
|
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
May 15, 2025 Q1 2025 |
625,100
puts
|
$48 Million
0.19% of portfolio
|
Q1 2025
Added 723.58%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
May 15, 2025 Q1 2025 |
521,400
puts
|
$40.1 Million
0.05% of portfolio
|
Q1 2025
Reduced 4.19%
|
|
|
Walleye Trading LLC
Plymouth, MN |
May 14, 2025 Q1 2025 |
345,000
puts
|
$26.5 Million
0.07% of portfolio
|
Q1 2025
Added 300.7%
|
|
|
Capstone Investment Advisors, LLC
New York, NY |
May 15, 2025 Q1 2025 |
267,100
puts
|
$20.5 Million
0.07% of portfolio
|
Q1 2025
Reduced 38.92%
|
|
|
Peak6 LLC
Chicago, IL |
May 14, 2025 Q1 2025 |
251,600
puts
|
$19.3 Million
0.05% of portfolio
|
Q1 2025
New holding
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
May 15, 2025 Q1 2025 |
246,500
puts
|
$18.9 Million
0.14% of portfolio
|
Q1 2025
Added 72.5%
|
|
|
Man Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
245,200
puts
|
$18.8 Million
0.06% of portfolio
|
Q1 2025
Added 21.63%
|
|
|
Allianz Asset Management Gmb H
Munich, 2M |
May 05, 2025 Q1 2025 |
183,200
puts
|
$14.1 Million
0.02% of portfolio
|
Q1 2025
Added 68.54%
|
|
|
Eisler Capital Management Ltd.
London, X0 |
May 14, 2025 Q1 2025 |
172,700
puts
|
$13.3 Million
0.11% of portfolio
|
Q1 2025
Reduced 57.02%
|
|
|
Credit Agricole S A
|
May 14, 2025 Q1 2025 |
155,000
puts
|
$11.9 Million
0.04% of portfolio
|
Q1 2025
Added 106.67%
|
|
|
Barclays PLC
London, X0 |
May 15, 2025 Q1 2025 |
120,800
puts
|
$9.28 Million
0.0% of portfolio
|
Q1 2025
Reduced 17.77%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
119,400
puts
|
$9.17 Million
0.02% of portfolio
|
Q1 2025
Added 282.69%
|