Merck MRK Institutional Ownership

NYSE MRK

$143.66 -1.65 (-1.13%)

As of: Oct 1, 2026 · 3:22 PM EDT

Institutions by Trading Activity

3,792 Institutions

Increased 1,837 48.4%

Unchanged 490 12.9%

Reduced 1,465 38.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

82.07%

▲+4.22 pp QoQ

Shares Held by Institutions

2.03Bn

of 2.47Bn outstanding

▲+5.91% QoQ

Shares Outstanding

2.47Bn

442.76Mn held outside 13F filers

Institutional Investors

3,792

filed 13F for Jun 2026

▲+41 vs prior quarter

Net Shares Added (QoQ)

+113.15Mn

accumulated since last quarter

Value of Holdings

$294.74Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Merck & Co., Inc. (NYSE:MRK) has 3,791 institutional investors with active 13F positions as of June 2026.

These investors held 82.1% of outstanding shares in June 2026, up from 77.9% in March 2026.
Their total shares held in MRK increased 5.91% quarter over quarter, and separately, investors owning Merck increased 15.69% from a year ago.
Of these 3,791 funds, 1,837 grew their exposure to Merck, 1,464 cut back, and 490 maintained positions.
Altogether, these fund groups held 2.03Bn shares in MRK by June 2026, up by 113.15Mn shares quarter on quarter, and up 72.69Mn shares year over year.
BlackRock, Inc. holds the largest position in MRK at 227.0Mn shares as of June 30, 2026, or 9.19% of shares outstanding.
The largest buyers of Merck for the quarter ending June 2026 were Sixth Street Partners Management Company, L.P. (54.37Mn), NORGES BANK (36.98Mn), Capital International Investors (14.52Mn), Fisher Asset Management, LLC (12.08Mn), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (4.6Mn).
Leading sellers of Merck shares for the quarter ending June 2026 were Jpmorgan Chase & Co (9.09Mn), NORDEA INVESTMENT MANAGEMENT AB (5.02Mn), PRICE T ROWE ASSOCIATES INC /MD/ (4.52Mn), JENNISON ASSOCIATES LLC (3.52Mn), Invesco Ltd. (3.24Mn).
According to Business Quant data, leading holders of MRK for June 2026 are BlackRock, Inc. (227.0Mn), VANGUARD CAPITAL MANAGEMENT LLC (161.32Mn), State Street Corp (120.41Mn), WELLINGTON MANAGEMENT GROUP LLP (86.25Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (67.74Mn), GEODE CAPITAL MANAGEMENT, LLC (60.74Mn), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (54.37Mn), Sixth Street Partners Management Company, L.P. (54.37Mn), Morgan Stanley (48.64Mn), FMR LLC (45.44Mn).

Form 13F Holdings

3,789 Institutional Holders

Report period 30 Jun, 2026

Total shares held 2.03Bn

Of outstanding 82.07%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	226,999,837	9.19%	▲1,169,507	+0.52%	$29.17Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	161,323,174	6.53%	▲335,550	+0.21%	$20.73Bn
3	State Street Corp	0000093751	120,413,256	4.88%	▲1,087,583	+0.91%	$15.57Bn
4	WELLINGTON MANAGEMENT GROUP LLP	0000902219	86,249,283	3.49%	▲1,934,312	+2.29%	$11.08Bn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	67,738,969	2.74%	▲434,664	+0.65%	$8.70Bn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	60,744,214	2.46%	▲1,186,060	+1.99%	$7.79Bn
7	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	54,365,289	2.20%	▲4,600,064	+9.24%	$6.99Bn
7	Sixth Street Partners Management Company, L.P.	0001812095	54,365,289	2.20%	▲54,365,289	0.00%	$6.99Bn
8	Morgan Stanley	0000895421	48,641,158	1.97%	▲1,008,671	+2.12%	$6.25Bn
9	FMR LLC	0000315066	45,440,355	1.84%	▲924,345	+2.08%	$5.84Bn
10	Jpmorgan Chase & Co	0000019617	43,886,420	1.78%	▼9,086,563	-17.15%	$5.68Bn
11	Fisher Asset Management, LLC	0000850529	38,516,263	1.56%	▲12,079,979	+45.69%	$4.95Bn
12	NORGES BANK	0001374170	36,983,784	1.50%	▲36,983,784	0.00%	$4.75Bn
13	Bank Of America Corp /De/	0000070858	30,535,208	1.24%	▼239,013	-0.78%	$3.92Bn
14	Northern Trust Corp	0000073124	26,275,718	1.06%	▼814,305	-3.01%	$3.38Bn
15	Goldman Sachs Group Inc	0000886982	22,075,139	0.89%	▲1,941,760	+9.64%	$2.84Bn
16	Franklin Templeton Inc	0000038777	19,548,585	0.79%	▲3,281,380	+20.17%	$2.51Bn
17	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	19,547,171	0.79%	▼867,648	-4.25%	$2.51Bn
18	Legal & General Group Plc	0000764068	18,873,343	0.76%	▼665,202	-3.40%	$2.43Bn
19	Invesco Ltd.	0000914208	18,611,171	0.75%	▼3,243,930	-14.84%	$2.39Bn

Showing 1 to 20 of 3,789 holders