Which hedge funds own MRK? MERCK & CO. INC, Q2 2026 13F holders

HealthcareDrug Manufacturers - General

85 tracked hedge funds disclosed a position in MRK (MERCK & CO. INC) in their Q2 2026 13F filings, worth $4.4bn in total. The largest holder by portfolio weight is Smead Capital Management at 6.4% of its book. 17 opened a new position this quarter: PFM Health Sciences, LP, CTC Alternative Strategies, Ltd., Sender Co & Partners, Inc., Bayforest Capital Ltd. 21 exited: Pinnbrook Capital Management LP, Redwood Grove Capital, LLC, Gladius Capital Management LP.

85
Holders: 17
New this quarter: 21
Exited this quarter: $177m
Inflow, new holders: $376m
Outflow, exits: $4.4bn
Combined value: 6.9%
Share of managers holding

Holders, Q2 2026

85 rows


Smead Capital Management Long-only investor	6.4%	$300m	2.33m	−5.5%	reduced
Kahn Brothers Long-only investor	4.4%	$28.0m	218,182	−4.0%	reduced
Sivik Global Healthcare LLC Hedge fund	3.7%	$4.8m	40,000	0.0%	held
Opus Investment Management Inc Hedge fund	2.5%	$4.5m	35,000	0.0%	held
Integral Health Asset Management, LLC Hedge fund	1.8%	$45.0m	350,000	−18%	reduced
Orbimed Advisors LLC Hedge fund	1.6%	$85.2m	663,400	0.0%	held
PFM Health Sciences, LP Hedge fund	1.4%	$16.3m	127,118	–	new
Samlyn Capital, LLC Hedge fund	1.2%	$72.7m	565,755	−22%	reduced
Artia Global Partners LP Hedge fund	1.1%	$6.0m	46,700	0.0%	held
Sphera Funds Management Ltd. Hedge fund	1.1%	$7.5m	58,600	+21%	added
RWC Asset Management LLP Hedge fund	1.0%	$26.9m	209,086	+1.9%	added
Kintegral Advisory, LLC Hedge fund	1.0%	$11.9m	91,933	0.0%	held
Candriam S.C.A. Hedge fund	0.8%	$182m	1.42m	+7.3%	added
Alyeska Investment Group, L.P. Hedge fund	0.8%	$319m	2.48m	+7.6%	added
Cinctive Capital Management LP Hedge fund	0.8%	$19.3m	150,456	+801%	added
Voleon Capital Management LP Hedge fund	0.7%	$38.0m	295,499	+307%	added
Semper Augustus (Chris Bloomstran) Long-only investor	0.6%	$5.7m	44,633	0.0%	held
Dymon Asia Capital (Singapore) Pte. Ltd. Hedge fund	0.6%	$4.0m	31,173	+212%	added
Parallax Volatility Advisers, L.P. Hedge fund	0.6%	$14.9m	116,081	−1.4%	reduced
Lowe Brockenbrough & Co Inc Hedge fund	0.5%	$11.8m	91,716	+0.1%	held
IFM Investors Pty Ltd Hedge fund	0.5%	$73.4m	571,235	+9.3%	added
West Family Investments, Inc. Family office	0.5%	$1.6m	12,703	+1.5%	added
Woodline Partners LP Hedge fund	0.4%	$144m	1.12m	+5.0%	added
Arnhold LLC Hedge fund	0.4%	$6.0m	46,498	0.0%	held
Pavaki Capital Management LLC Hedge fund	0.4%	$643k	5,000	0.0%	held
Adage Capital Partners GP, L.L.C. Hedge fund	0.4%	$261m	2.03m	−24%	reduced
AQR Capital Management LLC Hedge fund	0.4%	$1.0bn	8.13m	−5.7%	reduced
CTC Alternative Strategies, Ltd. Hedge fund	0.4%	$244k	1,900	–	new
Verdad Advisers, LP Hedge fund	0.3%	$319k	2,483	−56%	reduced
Sender Co & Partners, Inc. Hedge fund	0.3%	$694k	5,404	–	new
Pin Oak Investment Advisors Inc Hedge fund	0.3%	$396k	3,079	−5.7%	reduced
Squarepoint Ops LLC Hedge fund	0.2%	$117m	909,676	+9.5%	added
Arrowstreet Capital, Limited Partnership Hedge fund	0.2%	$510m	3.97m	+35%	added
Soleus Capital Management, L.P. Hedge fund	0.2%	$6.4m	50,000	−75%	reduced
Trust Asset Management LLC Hedge fund	0.2%	$3.5m	27,624	−1.6%	reduced
D. E. Shaw & Co., Inc. Hedge fund	0.2%	$352m	2.74m	−19%	reduced
Palogic Value Management, L.P. Hedge fund	0.2%	$565k	4,395	0.0%	held
Holocene Advisors, LP Hedge fund	0.2%	$80.7m	628,000	+9.7%	added
Tobam Hedge fund	0.2%	$718k	5,587	−56%	reduced
Catalyst Funds Management Pty Ltd Hedge fund	0.2%	$3.1m	23,750	+557%	added
Bayforest Capital Ltd Hedge fund	0.2%	$169k	1,319	–	new
Fulcrum Asset Management LLP Hedge fund	0.2%	$1.6m	12,112	−49%	reduced
Farallon Capital Management, L.L.C. Hedge fund	0.1%	$25.6m	199,000	−45%	reduced
Qube Research & Technologies Ltd Hedge fund	0.1%	$134m	1.04m	–	new
X-Square Capital, LLC Hedge fund	0.1%	$572k	4,449	+7.2%	added
Citadel Advisors LLC Hedge fund	0.1%	$248m	1.93m	−49%	reduced
Granville Capital, Inc. Hedge fund	0.1%	$316k	2,458	+1.4%	added
Y-Intercept (Hong Kong) Ltd Hedge fund	0.1%	$6.6m	51,433	–	new
CVA Family Office, LLC Family office	0.1%	$1.4m	11,140	+1.4%	added
Cercano Management LLC Hedge fund	0.1%	$920k	7,156	0.0%	held
Polymer Capital Management (HK) LTD Hedge fund	0.1%	$1.0m	8,100	−81%	reduced
111 Capital Hedge fund	0.1%	$589k	4,582	–	new
Brevan Howard Capital Management LP Hedge fund	0.09%	$6.4m	50,031	−9.1%	reduced
Seldon Capital LP Hedge fund	0.08%	$241k	1,873	0.0%	held
Weiss Asset Management LP Hedge fund	0.07%	$6.7m	52,089	–	new
Point72 Asset Management, L.P. Hedge fund	0.07%	$48.8m	380,081	−59%	reduced
Dark Forest Capital Management LP Hedge fund	0.07%	$1.1m	8,518	–	new
Concentric Capital Strategies, LP Hedge fund	0.06%	$927k	7,217	+107%	added
First Manhattan Long-only investor	0.05%	$20.5m	158,760	+2.8%	added
Caption Management, LLC Hedge fund	0.05%	$1.5m	11,400	+75%	added
GABELLI & Co INVESTMENT ADVISERS, INC. Hedge fund	0.05%	$347k	2,700	0.0%	held
Millennium Management LLC Hedge fund	0.05%	$72.1m	561,302	−72%	reduced
Verition Fund Management LLC Hedge fund	0.05%	$6.9m	53,638	+1681%	added
Capricorn Fund Managers Ltd Hedge fund	0.04%	$514k	4,000	–	new
Horizon Kinetics (Murray Stahl) Long-only investor	0.04%	$3.6m	28,151	−0.8%	reduced
Port Capital LLC Hedge fund	0.04%	$931k	7,247	−3.5%	reduced
Jain Global LLC Hedge fund	0.04%	$3.2m	24,975	−45%	reduced
Laurion Capital Management LP Hedge fund	0.03%	$411k	3,197	–	new
FNY Investment Advisers, LLC Hedge fund	0.03%	$76.0k	596	−34%	reduced
Centiva Capital, LP Hedge fund	0.02%	$695k	5,405	+80%	added
Freestone Grove Partners LP Hedge fund	0.02%	$3.5m	27,158	–	new
Gsa Capital Partners LLP Hedge fund	0.02%	$320k	2,493	–	new
ADAR1 Capital Management, LLC Hedge fund	0.02%	$403k	3,140	0.0%	held
Bridgewater Associates, LP Hedge fund	0.02%	$3.9m	30,254	–	new
Balyasny Asset Management L.P. Hedge fund	0.01%	$7.2m	56,028	−97%	reduced
Schonfeld Strategic Advisors LLC Hedge fund	0.01%	$2.0m	15,528	−55%	reduced
Capital Fund Management S.A. Hedge fund	0.01%	$1.5m	11,423	–	new
SummitTX Capital, L.P. Hedge fund	0.01%	$386k	3,000	–	new
Two Sigma Investments, LP Hedge fund	0.0%	$6.2m	48,625	−24%	reduced
Capstone Investment Advisors, LLC Hedge fund	0.0%	$515k	4,009	−38%	reduced
Gardner Russo & Quinn (Tom Russo) Long-only investor	0.0%	$211k	1,642	−23%	reduced
Jupiter Asset Management Ltd Hedge fund	0.0%	$450k	3,500	+15%	added
Hudson Bay Capital Management LP Hedge fund	0.0%	$284k	2,210	−98%	reduced
Walleye Capital LLC Hedge fund	0.0%	$274k	2,129	−99%	reduced
Quarry LP Hedge fund	0.0%	$514	4	–	new

Exited since the previous filing

21 rows


Pinnbrook Capital Management LP	4.5%	$5.5m
Redwood Grove Capital, LLC	1.2%	$3.6m
Gladius Capital Management LP	0.7%	$902k
Gator Capital Management, LLC	0.6%	$2.8m
Machina Capital S.A.S.	0.5%	$2.7m
Marshall Wace, LLP	0.4%	$334m
iSAM Funds (UK) Ltd	0.3%	$584k
Fox Run Management, L.L.C.	0.3%	$1.6m
Lecap Asset Management Ltd	0.2%	$644k
ExodusPoint Capital Management, LP	0.2%	$17.4m
Game Creek Capital, LP	0.2%	$421k
Boothbay Fund Management, LLC	0.07%	$3.0m
Twinbeech Capital LP	0.05%	$494k
Patton Fund Management, Inc.	0.05%	$272k
TT International Asset Management LTD	0.03%	$253k
Occudo Quantitative Strategies LP	0.02%	$389k
Edgestream Partners, L.P.	0.01%	$383k
Lighthouse Investment Partners, LLC	0.01%	$323k
Hillsdale Investment Management Inc.	0.01%	$224k
Engineers Gate Manager LP	0.01%	$466k
Elequin Capital, LP	0.0%	$3.2k

Who discovered MRK first? Beta

Weight in book of

8 rows


Smead Capital Management high conviction	Q2 2013	3.7%	7.1%	+25%	+228%	+6.8 pts	Holding, 7.1%
Semper Augustus (Chris Bloomstran) high conviction	Q1 2010	5.9%	5.9%	−12%	+261%	+3.5 pts	Held at last filing, Q2 2026
Samlyn Capital, LLC	Q2 2018	3.9%	3.9%	+38%	+122%	+1.4 pts	Held at last filing, Q2 2026
Parallax Volatility Advisers, L.P.	Q4 2013	1.2%	1.4%	+13%	+169%	+0.3 pts	Held at last filing, Q2 2026
Cormorant Asset Management, LP	Q1 2014	2.6%	2.6%	+1.3%	+1.9%	0.0 pts	Exited by Q3 2014
Discovery Capital Management, LLC	Q4 2011	1.4%	1.8%	+8.6%	+69%	0.0 pts	Exited by Q2 2017
Tudor Investment Corp ET AL	Q2 2012	1.0%	1.7%	+11%	+111%	0.0 pts	Exited by Q4 2025
Moore Capital Management, LP	Q4 2009	1.2%	1.2%	−1.4%	+127%	−0.1 pts	Exited by Q3 2025

Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.

Which hedge funds own MRK? MERCK & CO. INC, Q2 2026 13F holders

Holders, Q2 2026

Exited since the previous filing

Ownership over time

Who discovered MRK first? Beta