Call Options Transactions Made in Q3 2025 in Merck & Co., Inc. (MRK)
This table provides information about the institutional ownership of Merck & Co., Inc. (MRK) during Q3 2025. The information is specifically focused on institutions that hold call options of Merck & Co., Inc..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
CALL |
1.67M+ 36.9% |
$130M - $146M
|
6.2M
$576M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
CALL |
790K+ 233.02% |
$61.3M - $69M
|
1.13M
$105M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
CALL |
751K+ 207.37% |
$58.3M - $65.6M
|
1.11M
$103M
|
|
|
Nov 14, 2025
Q3 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
CALL |
750K+ 300.0% |
$58.2M - $65.5M
|
1M
$92.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
CALL |
610K+ 420.69% |
$47.3M - $53.3M
|
755K
$70.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
CALL |
610K+ 1212.52% |
$47.3M - $53.3M
|
660K
$61.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Toronto Dominion Bank
Toronto, Ontario, A6 |
BUY
|
CALL |
409KNew |
$31.7M - $35.7M
|
409K
$37.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Eisler Capital Management Ltd.
London, X0 |
BUY
|
CALL |
213K+ 142.11% |
$16.5M - $18.6M
|
362K
$33.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
BUY
|
CALL |
194K+ 148.62% |
$15.1M - $17M
|
325K
$30.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
CALL |
176KNew |
$13.7M - $15.4M
|
176K
$16.3M
|
|
|
Nov 13, 2025
Q3 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
CALL |
166K+ 1911.49% |
$12.9M - $14.5M
|
175K
$16.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
CALL |
154K+ 53.33% |
$11.9M - $13.4M
|
442K
$41.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Lombard Odier Asset Management (Usa) Corp
New York, NY |
BUY
|
CALL |
65K+ 33.33% |
$5.04M - $5.68M
|
260K
$24.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
CALL |
60K+ 1.02% |
$4.66M - $5.24M
|
5.92M
$549M
|
|
|
Nov 13, 2025
Q3 2025
|
Hsbc Holdings PLC
London, X0 |
BUY
|
CALL |
57.2K+ 91.67% |
$4.44M - $5M
|
120K
$11.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
CALL |
39.6K+ 64.18% |
$3.07M - $3.46M
|
101K
$9.41M
|
|
|
Nov 14, 2025
Q3 2025
|
Capstone Investment Advisors, LLC
New York, NY |
BUY
|
CALL |
31.7K+ 62.65% |
$2.46M - $2.77M
|
82.3K
$7.64M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
CALL |
31K+ 116.54% |
$2.41M - $2.71M
|
57.6K
$5.35M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
CALL |
29.3KNew |
$2.27M - $2.56M
|
29.3K
$2.72M
|
|
|
Nov 13, 2025
Q3 2025
|
Arrowpoint Investment Partners (Singapore) Pte. Ltd.
Singapore, U0 |
BUY
|
CALL |
24.5KNew |
$1.9M - $2.14M
|
24.5K
$2.28M
|
|
|
Nov 13, 2025
Q3 2025
|
Capital Fund Management S.A.
Paris, I0 |
BUY
|
CALL |
21.2K+ 2.0% |
$1.65M - $1.85M
|
1.08M
$100M
|
|
|
Nov 14, 2025
Q3 2025
|
Sig Brokerage, LP
Bala Cynwyd, PA |
BUY
|
CALL |
17.8K+ 111.25% |
$1.38M - $1.56M
|
33.8K
$3.14M
|
|
|
Nov 14, 2025
Q3 2025
|
Cetera Investment Advisers
Schaumburg, IL |
BUY
|
CALL |
14KNew |
$1.09M - $1.22M
|
14K
$1.3M
|
|
|
Oct 28, 2025
Q3 2025
|
Wolverine Asset Management LLC
|
BUY
|
CALL |
12.5K+ 11.93% |
$970K - $1.09M
|
117K
$10.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
CALL |
8.98K+ 1.55% |
$697K - $784K
|
589K
$54.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Xy Capital LTD
Central, K3 |
BUY
|
CALL |
2.7KNew |
$210K - $236K
|
2.7K
$251K
|
|
|
Nov 10, 2025
Q3 2025
|
One River Asset Management, LLC
Stamford, CT |
BUY
|
CALL |
2.6KNew |
$202K - $227K
|
2.6K
$241K
|
|
|
Nov 10, 2025
Q3 2025
|
Delta Accumulation, LLC
Sausalito, CA |
BUY
|
CALL |
2.3K+ 29.49% |
$178K - $201K
|
10.1K
$938K
|
|
|
Nov 14, 2025
Q3 2025
|
Lido Advisors, LLC
Los Angeles, CA |
BUY
|
CALL |
1.5K+ 136.36% |
$116K - $131K
|
2.6K
$241K
|
|
|
Nov 14, 2025
Q3 2025
|
Capula Management LTD
Grand Cayman, E9 |
BUY
|
CALL |
1.5K+ 41.67% |
$116K - $131K
|
5.1K
$474K
|
|
|
Oct 09, 2025
Q3 2025
|
Centurion Wealth Management LLC
Mclean, VA |
BUY
|
CALL |
1.2KNew |
$93.1K - $105K
|
1.2K
$111K
|
|
|
Nov 14, 2025
Q3 2025
|
Toroso Investments, LLC
Massapequa, NY |
BUY
|
CALL |
1.1KNew |
$85.4K - $96.1K
|
1.1K
$102K
|
|
|
Nov 10, 2025
Q3 2025
|
Raiffeisen Bank International Ag
Vienna, C4 |
BUY
|
CALL |
95New |
$7.37K - $8.3K
|
95
$8.82K
|
|
|
Oct 29, 2025
Q3 2025
|
Royal Fund Management, LLC
|
SELL
|
CALL |
-2.28K- 99.0% |
$177K - $199K
|
23
$2.14K
|
|
|
Oct 15, 2025
Q3 2025
|
Davenport & CO LLC
|
SELL
|
CALL |
-5K- 23.04% |
$388K - $437K
|
16.7K
$1.55M
|
|
|
Nov 14, 2025
Q3 2025
|
Drw Securities, LLC
Chicago, IL |
SELL
|
CALL |
-7.3K- 57.03% |
$566K - $638K
|
5.5K
$511K
|
|
|
Nov 14, 2025
Q3 2025
|
Verition Fund Management LLC
Greenwich, CT |
SELL
|
CALL |
-8.3K- 31.32% |
$644K - $725K
|
18.2K
$1.69M
|
|
|
Nov 14, 2025
Q3 2025
|
Alphadyne Asset Management LP
New York, NY |
SELL
|
CALL |
-14.6K- 77.66% |
$1.13M - $1.28M
|
4.2K
$390K
|
|
|
Nov 04, 2025
Q3 2025
|
Allianz Asset Management Gmb H
Munich, 2M |
SELL
|
CALL |
-16.5K- 12.43% |
$1.28M - $1.44M
|
116K
$10.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
CALL |
-20.6K- 2.5% |
$1.6M - $1.8M
|
804K
$74.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Trading LLC
Plymouth, MN |
SELL
|
CALL |
-26.3K- 11.17% |
$2.04M - $2.3M
|
209K
$19.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
CALL |
-43.6K- 4.93% |
$3.38M - $3.81M
|
841K
$78.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Volterra Technologies LP
New York, NY |
SELL
|
CALL |
-49.4K- 76.47% |
$3.83M - $4.32M
|
15.2K
$1.41M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
CALL |
-65.1K- 19.39% |
$5.05M - $5.69M
|
271K
$25.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Point72 (Difc) LTD
Dubai, C0 |
SELL
|
CALL |
-76.6K- 97.7% |
$5.94M - $6.69M
|
1.8K
$167K
|
|
|
Nov 14, 2025
Q3 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
SELL
|
CALL |
-95.2K- 8.34% |
$7.39M - $8.32M
|
1.05M
$97.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Man Group PLC
London, X0 |
SELL
|
CALL |
-103K- 41.51% |
$7.95M - $8.96M
|
144K
$13.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
SELL
|
CALL |
-130K- 10.39% |
$10.1M - $11.4M
|
1.12M
$104M
|
|
|
Nov 13, 2025
Q3 2025
|
Twin Tree Management, LP
Dallas, TX |
SELL
|
CALL |
-148K- 63.04% |
$11.5M - $12.9M
|
86.9K
$8.07M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
SELL
|
CALL |
-152K- 38.1% |
$11.8M - $13.3M
|
247K
$22.9M
|
|