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 29.6 Million put options outstanding, which have been reported (via 13F filing form) to have a value of $2.38 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 |
|---|---|---|---|---|---|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
6,423,400
puts
|
$516 Million
0.07% of portfolio
|
Q2 2025
Added 78.74%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
4,445,900
puts
|
$357 Million
0.06% of portfolio
|
Q2 2025
Added 23.55%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
2,594,300
puts
|
$208 Million
0.02% of portfolio
|
Q2 2025
Added 57.31%
|
|
|
Jane Street Group, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
2,570,900
puts
|
$206 Million
0.04% of portfolio
|
Q2 2025
Added 57.05%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
1,368,600
puts
|
$110 Million
0.06% of portfolio
|
Q2 2025
Reduced 14.71%
|
|
|
Qube Research & Technologies LTD
London, X0 |
Aug 14, 2025 Q2 2025 |
1,212,600
puts
|
$97.4 Million
0.1% of portfolio
|
Q2 2025
Added 16.48%
|
|
|
Capital Fund Management S.A.
Paris, I0 |
Aug 13, 2025 Q2 2025 |
1,073,300
puts
|
$86.2 Million
0.25% of portfolio
|
Q2 2025
Added 2.68%
|
|
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
Aug 14, 2025 Q2 2025 |
874,700
puts
|
$70.2 Million
0.16% of portfolio
|
Q2 2025
Added 39.93%
|
|
|
Citigroup Inc
|
Aug 11, 2025 Q2 2025 |
851,600
puts
|
$68.4 Million
0.03% of portfolio
|
Q2 2025
Added 30.21%
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
843,900
puts
|
$67.8 Million
0.01% of portfolio
|
Q2 2025
Reduced 22.54%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Aug 14, 2025 Q2 2025 |
777,200
puts
|
$62.4 Million
0.05% of portfolio
|
Q2 2025
Added 49.06%
|
|
|
Squarepoint Ops LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
727,500
puts
|
$58.4 Million
0.06% of portfolio
|
Q2 2025
Reduced 25.23%
|
|
|
Hudson Bay Capital Management LP
Greenwich, CT |
Aug 14, 2025 Q2 2025 |
720,000
puts
|
$57.8 Million
0.22% of portfolio
|
Q2 2025
Reduced 35.11%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
651,000
puts
|
$52.3 Million
0.0% of portfolio
|
Q2 2024
New holding
|
|
|
Eisler Capital (Uk) Ltd.
London, X0 |
Nov 14, 2024 Q3 2024 |
642,894
puts
|
$51.6 Million
0.34% of portfolio
|
Q3 2024
Added 30.32%
|
|
|
Twin Tree Management, LP
Dallas, TX |
Jul 28, 2025 Q2 2025 |
563,900
puts
|
$45.3 Million
0.09% of portfolio
|
Q2 2025
Added 948.14%
|
|
|
Walleye Capital LLC
Plymouth, MN |
Aug 13, 2025 Q2 2025 |
299,300
puts
|
$24 Million
0.1% of portfolio
|
Q2 2025
Added 271.34%
|
|
|
Man Group PLC
London, X0 |
Aug 14, 2025 Q2 2025 |
296,500
puts
|
$23.8 Million
0.05% of portfolio
|
Q2 2025
Added 20.92%
|
|
|
Walleye Trading LLC
Plymouth, MN |
Aug 13, 2025 Q2 2025 |
295,600
puts
|
$23.7 Million
0.04% of portfolio
|
Q2 2025
Reduced 14.32%
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Aug 14, 2025 Q2 2025 |
251,500
puts
|
$20.2 Million
0.1% of portfolio
|
Q2 2025
Added 2.03%
|
|
|
Capstone Investment Advisors, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
238,900
puts
|
$19.2 Million
0.05% of portfolio
|
Q2 2025
Reduced 10.56%
|
|
|
Allianz Asset Management Gmb H
Munich, 2M |
Jul 28, 2025 Q2 2025 |
199,600
puts
|
$16 Million
0.02% of portfolio
|
Q2 2025
Added 8.95%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
185,900
puts
|
$14.9 Million
0.0% of portfolio
|
Q2 2025
Added 200.81%
|
|
|
Marshall Wace, LLP
London, X0 |
Aug 13, 2025 Q2 2025 |
168,000
puts
|
$13.5 Million
0.02% of portfolio
|
Q2 2025
New holding
|
|
|
Credit Agricole S A
|
May 14, 2025 Q1 2025 |
155,000
puts
|
$12.4 Million
0.04% of portfolio
|
Q1 2025
Added 106.67%
|