Merck & Co., Inc.
MRK- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000310158
In the last 90 days, Merck & Co., Inc. insiders filed 0 open-market purchases and 7 sales; 3,854 institutions reported holding it in 13F filings for Q2 2026, worth $254.3B in total; 4 superinvestors hold it, including Harris Associates (Oakmark) and Fairfax Financial.
13F holders, Q1 2023
Institutional positions in Merck & Co., Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 3,188
- +15 vs. Q4 2022
- Shares held
- 1.99B
- +80.9M (+4.2%) vs. Q4 2022
- Total value
- $205.1B
- −$6.63B (−3.1%) vs. Q4 2022
- New holders
- 162
- 1,210 more added
- Sold out
- 147
- 1,449 more reduced
71 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 3,854 | $254.3B |
| Q1 2026 | 3,812 | $231.9B |
| Q4 2025 | 3,674 | $206.6B |
| Q3 2025 | 3,319 | $159.8B |
| Q2 2025 | 3,337 | $155.9B |
| Q1 2025 | 3,459 | $177.7B |
| Q4 2024 | 3,618 | $196.9B |
| Q3 2024 | 3,502 | $221.8B |
| Q2 2024 | 3,558 | $242.3B |
| Q1 2024 | 3,547 | $256.9B |
| Q4 2023 | 3,444 | $211.6B |
| Q3 2023 | 3,222 | $197.7B |
| Q2 2023 | 3,262 | $222.8B |
| Q1 2023 | 3,188 | $205.1B |
| Q4 2022 | 3,244 | $212.2B |
| Q3 2022 | 2,997 | $162.7B |
| Q2 2022 | 3,020 | $171.5B |
| Q1 2022 | 2,962 | $152.1B |
| Q4 2021 | 2,910 | $142.2B |
| Q3 2021 | 2,658 | $138.8B |
| Q2 2021 | 2,684 | $144.3B |
| Q1 2021 | 2,693 | $143.2B |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 243,945,123 | $26.0B | 0.66% | +16,739,145+7.4% | Added |
| BlackRock Inc. | 209,101,848 | $22.2B | 0.66% | −5,629,537−2.6% | Reduced |
| State Street Corp | 116,387,257 | $12.5B | 0.70% | −1,574,600−1.3% | Reduced |
| Wellington Management Group LLP | 68,563,817 | $7.29B | 1.45% | +6,546,946+10.6% | Added |
| Geode Capital Management, LLC | 51,218,756 | $5.44B | 0.71% | +2,879,481+6.0% | Added |
| Bank of America Corp | 40,002,285 | $4.26B | 0.49% | −197,932−0.5% | Reduced |
| Morgan Stanley | 39,044,821 | $4.15B | 0.45% | −2,805,260−6.7% | Reduced |
| FMR LLC | 35,734,925 | $3.80B | 0.35% | +8,281,942+30.2% | Added |
| Charles Schwab Investment Management Inc | 30,673,341 | $3.26B | 0.99% | +695,692+2.3% | Added |
| Northern Trust Corp | 30,485,071 | $3.24B | 0.64% | +271,188+0.9% | Added |
| Price T Rowe Associates Inc | 29,838,415 | $3.17B | 0.48% | +3,524,385+13.4% | Added |
| Bank of New York Mellon Corp | 29,148,978 | $3.10B | 0.68% | −1,246,651−4.1% | Reduced |
| Norges Bank | 25,860,437 | $2.75B | 0.60% | +1,198,042+4.9% | Added |
| Deutsche Bank AG | 22,684,798 | $2.41B | 1.34% | +1,890,526+9.1% | Added |
| Massachusetts Financial Services Co | 22,638,753 | $2.41B | 0.83% | −1,243,479−5.2% | Reduced |
| JPMorgan Chase & Co | 19,712,572 | $2.10B | 0.27% | −4,082,769−17.2% | Reduced |
| Legal & General Group Plc | 19,587,869 | $2.08B | 0.75% | +398,252+2.1% | Added |
| Invesco Ltd. | 18,947,193 | $2.02B | 0.56% | +1,025,444+5.7% | Added |
| Wells Fargo & Company | 17,871,301 | $1.90B | 0.59% | −453,650−2.5% | Reduced |
| Ameriprise Financial Inc | 17,324,597 | $1.84B | 0.60% | −1,613,717−8.5% | Reduced |
| Nuveen Asset Management, LLC | 16,370,431 | $1.74B | 0.65% | +89,910+0.6% | Added |
| Royal Bank of Canada | 14,931,894 | $1.59B | 0.48% | −690,216−4.4% | Reduced |
| Capital World Investors | 14,334,194 | $1.53B | 0.32% | +2,399,262+20.1% | Added |
| State Farm Mutual Automobile Insurance Co | 14,231,200 | $1.51B | 1.57% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 13,656,987 | $1.45B | 0.96% | +266,757+2.0% | Added |
| Goldman Sachs Group Inc | 13,635,840 | $1.45B | 0.39% | +1,389,705+11.3% | Added |
| Amundi | 12,447,205 | $1.38B | 0.75% | +1,939,627+18.5% | Added |
| UBS Group AG | 12,824,945 | $1.36B | 0.63% | +140,102+1.1% | Added |
| California Public Employees Retirement System | 12,532,402 | $1.33B | 1.18% | −608,217−4.6% | Reduced |
| Fisher Asset Management, LLC | 12,345,713 | $1.31B | 0.80% | +165,927+1.4% | Added |
| UBS Asset Management Americas Inc | 11,905,707 | $1.27B | 0.61% | −322,004−2.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 10,765,654 | $1.15B | 1.48% | +1,683,252+18.5% | Added |
| Aristotle Capital Management, LLC | 10,317,672 | $1.10B | 2.30% | −99,860−1.0% | Reduced |
| Swiss National Bank | 10,061,951 | $1.07B | 0.73% | −234,000−2.3% | Reduced |
| Alliancebernstein L.P. | 9,995,236 | $1.06B | 0.46% | +1,168,389+13.2% | Added |
| Dimensional Fund Advisors LP | 9,503,291 | $1.01B | 0.34% | +240,981+2.6% | Added |
| Raymond James & Associates | 9,464,518 | $1.01B | 0.88% | −191,072−2.0% | Reduced |
| LSV Asset Management | 9,177,120 | $976.4M | 2.19% | −738,800−7.5% | Reduced |
| The PNC Financial Services Group, Inc. | 9,124,658 | $970.8M | 0.85% | −151,170−1.6% | Reduced |
| Putnam Investments LLC | 9,075,353 | $965.5M | 1.55% | +449,860+5.2% | Added |
| Nordea Investment Management AB | 9,008,794 | $955.8M | 1.39% | −79,045−0.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 8,381,333 | $891.7M | 0.66% | +64,359+0.8% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 8,192,578 | $871.6M | 3.37% | −1,254,396−13.3% | Reduced |
| Credit Suisse AG | 7,616,382 | $810.3M | 0.84% | −73,619−1.0% | Reduced |
| Clearbridge Investments, LLC | 7,545,238 | $802.7M | 0.77% | −479,375−6.0% | Reduced |
| Stifel Financial Corp | 7,471,274 | $794.9M | 1.14% | −678,932−8.3% | Reduced |
| Macquarie Group Ltd | 7,458,897 | $793.3M | 0.94% | +20,081+0.3% | Added |
| Schroder Investment Management Group | 7,385,092 | $785.7M | 1.17% | −31,275−0.4% | Reduced |
| Bank of Montreal | 6,972,317 | $767.3M | 0.49% | +803,808+13.0% | Added |
| Neuberger Berman Group LLC | 6,642,955 | $706.7M | 0.66% | +893,583+15.5% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 6,583,216 | $700.3M | 1.19% | −946,022−12.6% | Reduced |
| Principal Financial Group Inc | 6,506,420 | $692.2M | 0.49% | −14,530−0.2% | Reduced |
| Envestnet Asset Management Inc | 11,660,045 | $665.5M | 0.32% | +5,258,142+82.1% | Added |
| HSBC Holdings PLC | 6,100,778 | $649.0M | 0.83% | −882,641−12.6% | Reduced |
| Franklin Resources Inc | 6,100,150 | $649.0M | 0.33% | −123,532−2.0% | Reduced |
| Standard Life Aberdeen plc | 5,744,244 | $611.1M | 1.53% | +578,392+11.2% | Added |
| Caisse de Depot Et Placement du Quebec | 5,734,082 | $610.0M | 1.74% | +528,624+10.2% | Added |
| Bahl & Gaynor Inc | 5,490,407 | $584.1M | 3.15% | +908,709+19.8% | Added |
| Ensign Peak Advisors, Inc | 5,394,772 | $573.9M | 1.24% | +532,288+10.9% | Added |
| Swedbank AB | 5,119,374 | $544.7M | 1.08% | +61,810+1.2% | Added |
| DekaBank Deutsche Girozentrale | 5,104,763 | $541.4M | 1.36% | +163,630+3.3% | Added |
| Allianz Asset Management GmbH | 5,049,055 | $537.2M | 1.12% | +130,830+2.7% | Added |
| Truist Financial Corp | 4,956,419 | $527.3M | 0.91% | −198,798−3.9% | Reduced |
| TD Asset Management Inc | 4,866,586 | $517.8M | 0.62% | +2,374,338+95.3% | Added |
| New York State Common Retirement Fund | 4,675,824 | $497.5M | 0.67% | −262,039−5.3% | Reduced |
| Prudential Financial Inc | 4,591,736 | $488.5M | 0.76% | +124,871+2.8% | Added |
| Rhumbline Advisers | 4,503,311 | $479.1M | 0.59% | +115,978+2.6% | Added |
| California State Teachers Retirement System | 4,294,570 | $456.9M | 0.68% | −39,868−0.9% | Reduced |
| Manufacturers Life Insurance Company, The | 4,207,303 | $447.6M | 0.25% | −118,255−2.7% | Reduced |
| First Republic Investment Management, Inc. | 4,074,759 | $433.5M | 0.92% | +3,553+0.1% | Added |
| Citigroup Inc | 4,070,384 | $433.0M | 0.58% | +301,346+8.0% | Added |
| National Pension Service | 3,713,394 | $393.3M | 0.72% | +59,340+1.6% | Added |
| APG Asset Management N.V. | 3,829,017 | $375.0M | 0.80% | −308,535−7.5% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 3,337,450 | $355.1M | 0.67% | +26,643+0.8% | Added |
| Robeco Institutional Asset Management B.V. | 3,316,210 | $352.8M | 0.96% | −301,558−8.3% | Reduced |
| Fayez Sarofim & Co | 3,300,376 | $351.1M | 1.23% | −131,058−3.8% | Reduced |
| Candriam Luxembourg S.C.A. | 3,470,062 | $339.8M | 2.36% | +264,370+8.2% | Added |
| Sarasin & Partners LLP | 3,190,618 | $339.4M | 4.28% | +42,437+1.3% | Added |
| London Co of Virginia | 3,108,024 | $330.7M | 1.91% | −99,335−3.1% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,053,547 | $324.9M | 1.65% | −89,264−2.8% | Reduced |
| Smead Capital Management, Inc. | 3,047,792 | $324.3M | 6.46% | +69,193+2.3% | Added |
| New York State Teachers Retirement System | 2,954,663 | $314.3M | 0.74% | −21,214−0.7% | Reduced |
| First Trust Advisors LP | 2,880,888 | $306.5M | 0.35% | −36,903−1.3% | Reduced |
| State Board of Administration of Florida Retirement System | 2,868,856 | $305.2M | 0.71% | −25,780−0.9% | Reduced |
| AQR Capital Management LLC | 2,812,839 | $298.4M | 0.66% | −299,967−9.6% | Reduced |
| Victory Capital Management Inc | 2,776,116 | $295.4M | 0.33% | −1,105,479−28.5% | Reduced |
| 1832 Asset Management L.P. | 2,741,233 | $291.6M | 0.60% | −758,840−21.7% | Reduced |
| Canada Pension Plan Investment Board | 2,720,471 | $289.4M | 0.46% | +117,200+4.5% | Added |
| HighTower Advisors, LLC | 2,695,540 | $286.8M | 0.63% | −230,247−7.9% | Reduced |
| Capital Wealth Planning, LLC | 2,195,787 | $283.8M | 3.84% | −1,332,686−37.8% | Reduced |
| Great West Life Assurance Co | 2,651,572 | $282.5M | 0.70% | +19,970+0.8% | Added |
| Cullen Capital Management LLC | 2,653,244 | $282.3M | 2.59% | +556,724+26.6% | Added |
| Renaissance Technologies LLC | 2,649,259 | $281.9M | 0.37% | +969,157+57.7% | Added |
| Brown Advisory Inc | 2,604,185 | $277.1M | 0.47% | +6,561+0.3% | Added |
| Adage Capital Partners GP, L.L.C. | 2,600,625 | $276.7M | 0.62% | −118,700−4.4% | Reduced |
| Barclays PLC | 2,564,610 | $272.8M | 0.28% | −5,620,218−68.7% | Reduced |
| M&T Bank Corp | 2,544,453 | $270.7M | 1.05% | −23,628−0.9% | Reduced |
| Mackenzie Financial Corp | 2,537,899 | $270.0M | 0.42% | +47,005+1.9% | Added |
| Russell Investments Group, Ltd. | 2,498,245 | $265.3M | 0.52% | −108,532−4.2% | Reduced |
| Baird Financial Group, Inc. | 2,453,515 | $261.0M | 0.64% | −23,286−0.9% | Reduced |