Merck & Co., Inc. hedge fund holdings
MRKNYSE$144.30+0.49 (+0.34%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
MRK · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+61.2%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 864 | 1,076 | $7.73B | $8.1B | 3,189 | Aug 14, 2025 |
| Q3 2025 | 833 | 812 | $8.61B | $7.94B | 3,190 | Nov 14, 2025 |
| Q4 2025 | 956 | 753 | $11.9B | $14.5B | 3,535 | Feb 14, 2026 |
| Q1 2026 | 884 | 861 | $11.8B | $11.2B | 3,659 | May 15, 2026 |
| Q2 2026 | 839 | 670 | $10.9B | $8.86B | 3,679 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
3,679 filersNew position
139$358M+2.79M sh
Increased
700$10.6B+82.4M sh
Reduced
568-$8.36B-65.1M sh
Out / sold
102-$499M-3.88M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Capital International Investors | Added 1668.05% | +$1.87B | $1.98B | 0.41% | Aug 12, 2026 |
| Fisher Asset Management, LLC | Added 45.69% | +$1.55B | $4.95B | 1.47% | Aug 4, 2026 |
| Nordea Investment Management AB | Reduce 58.91% | -$638M | $445M | 0.36% | Aug 5, 2026 |
| Jennison Associates LLC | Reduce 56.33% | -$452M | $351M | 0.21% | Aug 3, 2026 |
| Wellington Management Group LLP | Added 2.29% | +$249M | $11.1B | 1.91% | Aug 14, 2026 |
| First Trust Advisors LP | Reduce 41.96% | -$241M | $333M | 0.20% | Aug 11, 2026 |
| Employees Provident Fund Board | Reduce 71.74% | -$175M | $68.8M | 0.39% | Aug 12, 2026 |
| OMERS ADMINISTRATION Corp | Reduce 65.75% | -$135M | $70.4M | 0.42% | Aug 13, 2026 |
| Artisan Partners Limited Partnership | Reduce 91.78% | -$125M | $11.2M | 0.02% | Aug 13, 2026 |
| Beutel, Goodman & Co Ltd. | Reduce 31.57% | -$123M | $266M | 1.96% | Aug 12, 2026 |
| MUFG Securities EMEA plc | Added 810.71% | +$106M | $119M | 1.25% | Aug 12, 2026 |
| Ensign Peak Advisors, Inc | Added 28.77% | +$96.6M | $432M | 0.71% | Aug 14, 2026 |
| Swedbank AB | Reduce 10.31% | -$93.9M | $817M | 0.70% | Jul 15, 2026 |
| Schroder Investment Management Group | Added 39.82% | +$89.9M | $316M | 0.22% | Aug 13, 2026 |
| Susquehanna Portfolio Strategies, LLC | Reduce 87.69% | -$89.2M | $12.5M | 0.20% | Aug 14, 2026 |
| Adage Capital Partners GP, L.L.C. | Reduce 24.46% | -$84.5M | $261M | 0.37% | Aug 14, 2026 |
| BI Asset Management Fondsmaeglerselskab A/S | Reduce 58.44% | -$83.7M | $59.5M | 0.47% | Aug 10, 2026 |
| Caisse de depot et placement du Quebec | Added 17.07% | +$83.4M | $572M | 0.81% | Aug 14, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 11.78% | +$75.8M | $719M | 0.49% | Aug 13, 2026 |
| Canada Pension Plan Investment Board | Added 15.48% | +$71.9M | $537M | 0.30% | Aug 14, 2026 |
| PBU - The Pension Fund of Early Childhood & Youth Educators | Reduce 74.81% | -$71.6M | $24.1M | 0.55% | Jul 16, 2026 |
| Pacer Advisors, Inc. | Reduce 74.41% | -$70.1M | $24.1M | 0.06% | Aug 13, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | Reduce 63.47% | -$68.4M | $39.4M | 0.06% | Aug 13, 2026 |
| AustralianSuper Pty Ltd | Reduce 86.47% | -$63.9M | $10M | 0.04% | Aug 12, 2026 |
| APG Asset Management N.V. | Added 32.28% | +$62M | $254M | 0.62% | Aug 12, 2026 |
| Capital International, Inc. | Added 7463.20% | +$57.6M | $58.4M | 0.41% | Aug 12, 2026 |
| Eurizon Capital SGR S.p.A. | Reduce 15.01% | -$54.5M | $309M | 0.83% | Jul 29, 2026 |
| Van Eck Associates Corp | Reduce 23.55% | -$54.3M | $176M | 0.11% | Aug 14, 2026 |
| Migdal Insurance & Financial Holdings Ltd. | Added 135.49% | +$54.2M | $94.3M | 0.60% | Aug 10, 2026 |
| CIBC Asset Management Inc | Added 55.56% | +$53M | $149M | 0.33% | Aug 3, 2026 |
| Mitsubishi UFJ Asset Management Co., Ltd. | Added 6.95% | +$51.7M | $795M | 0.44% | Aug 7, 2026 |
| Brandes Investment Partners, LP | Reduce 17.01% | -$50.3M | $246M | 1.72% | Aug 14, 2026 |
| Aberdeen Group plc | Reduce 7.62% | -$45.7M | $554M | 0.78% | Jul 31, 2026 |
| Epoch Investment Partners, Inc. | Added 49.77% | +$44.8M | $135M | 0.77% | Aug 13, 2026 |
| Capitolis Liquid Global Markets LLC | Added 155.43% | +$44.7M | $73.5M | 0.32% | Aug 13, 2026 |
| Atalanta Sosnoff Capital, LLC | Added 112.51% | +$43.7M | $82.5M | 1.45% | Aug 12, 2026 |
| Zurich Insurance Group Ltd | Reduce 34.77% | -$43.2M | $81.1M | 0.56% | Aug 14, 2026 |
| Aristotle Capital Management, LLC | Reduce 4.58% | -$40.6M | $845M | 1.77% | Aug 14, 2026 |
| Harris Associates L P | Reduce 2.38% | -$37.8M | $1.55B | 2.06% | Aug 14, 2026 |
| Nomura Asset Management International Inc. | Reduce 21.58% | -$37.3M | $136M | 0.20% | Aug 14, 2026 |
| Munich Reinsurance Co Stock Corp in Munich | Added 37.95% | +$36.7M | $133M | 2.92% | Jul 24, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 11.47% | +$34.1M | $332M | 0.33% | Aug 13, 2026 |
| Mn Services Vermogensbeheer B.V. | Reduce 26.01% | -$32.5M | $92.6M | 0.69% | Jul 31, 2026 |
| Macquarie Group Ltd | Added 27.67% | +$31M | $143M | 0.62% | Aug 14, 2026 |
| Cannell & Spears LLC | Reduce 30.18% | -$31M | $71.6M | 1.27% | Aug 11, 2026 |
| Westwood Holdings Group Inc | Reduce 39.50% | -$30.9M | $47.3M | 0.36% | Aug 14, 2026 |
| Arbejdsmarkedets Tillaegspension | New Buy | +$30.6M | $30.6M | 0.67% | Jul 17, 2026 |
| Rathbones Group PLC | Reduce 53.31% | -$30.4M | $26.7M | 0.10% | Jul 23, 2026 |
| Natixis | Reduce 45.07% | -$29.5M | $36M | 0.14% | Aug 13, 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC | Reduce 3.26% | -$29.4M | $872M | 1.96% | Aug 13, 2026 |
| Voleon Capital Management LP | Added 306.58% | +$28.6M | $38M | 0.69% | Aug 14, 2026 |
| Rhenman & Partners Asset Management AB | New Buy | +$27.4M | $27.4M | 2.59% | Aug 13, 2026 |
| Credit Agricole S A | Added 33.18% | +$27.2M | $109M | 0.22% | Aug 14, 2026 |
| LSV Asset Management | Added 4.14% | +$27.1M | $681M | 1.24% | Aug 6, 2026 |
| Cibc World Market Inc. | Added 16.74% | +$26.7M | $186M | 0.30% | Aug 13, 2026 |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | Reduce 11.63% | -$25.5M | $194M | 0.15% | Aug 14, 2026 |
| Nomura Asset Management Co Ltd | Added 12.44% | +$25.3M | $228M | 0.49% | Aug 13, 2026 |
| Capital Wealth Planning, LLC | Added 4.25% | +$24.7M | $605M | 3.02% | Aug 14, 2026 |
| Van Lanschot Kempen Investment Management N.V. | Reduce 36.55% | -$24.6M | $42.6M | 0.33% | Aug 14, 2026 |
| DDD Partners, LLC | New Buy | +$24.5M | $24.5M | 1.53% | Aug 5, 2026 |
| Groupama Asset Managment | Added 21.57% | +$24.4M | $138M | 1.73% | Aug 14, 2026 |
| Quantinno Capital Management LP | Added 14.24% | +$24.4M | $196M | 0.23% | Aug 13, 2026 |
| Mizuho Securities USA LLC | Added 128.86% | +$24.2M | $42.9M | 0.41% | Jul 28, 2026 |
| Groupe la Francaise | Added 254.71% | +$24.1M | $33.5M | 0.40% | Aug 25, 2026 |
| Erste Asset Management GmbH | Added 46.11% | +$23.3M | $73.9M | 0.57% | Jul 28, 2026 |
| Treasurer of the State of North Carolina | Added 15.52% | +$22.9M | $170M | 0.44% | Aug 14, 2026 |
| LBP Am SA | Added 87.79% | +$22.2M | $47.5M | 0.48% | Jul 24, 2026 |
| Fred Alger Management, LLC | Added 51.94% | +$21.5M | $63M | 0.21% | Aug 14, 2026 |
| Nomura Holdings Inc | Added 452.01% | +$20.9M | $25.5M | 0.03% | Aug 14, 2026 |
| Farallon Capital Management, L.L.C. | Reduce 44.88% | -$20.8M | $25.6M | 0.12% | Aug 14, 2026 |
| Samlyn Capital, LLC | Reduce 22.12% | -$20.7M | $72.7M | 1.18% | Aug 14, 2026 |
| CANADA LIFE ASSURANCE Co | Reduce 5.31% | -$20.2M | $361M | 0.58% | Aug 13, 2026 |
| Atle Fund Management AB | Added 459.35% | +$20M | $24.3M | 6.55% | Jul 24, 2026 |
| Mitsubishi UFJ Trust & Banking Corp | Added 8.92% | +$18.2M | $222M | 0.49% | Aug 6, 2026 |
| Smead Capital Management, Inc. | Reduce 5.54% | -$17.6M | $300M | 6.43% | Aug 11, 2026 |
| Cinctive Capital Management LP | Added 800.56% | +$17.2M | $19.3M | 0.71% | Aug 14, 2026 |
| Blue Sparrow, LLC | Sell 100% | -$16.5M | $0 | 0.00% | Aug 14, 2026 |
| DJE Kapital AG | Added 9.59% | +$16.4M | $187M | 3.53% | Aug 4, 2026 |
| Calamos Advisors LLC | Reduce 16.35% | -$16.3M | $83.6M | 0.28% | Jul 31, 2026 |
| PFM Health Sciences, LP | New Buy | +$16.3M | $16.3M | 1.40% | Aug 14, 2026 |
| PFA Pension, Forsikringsaktieselskab | Reduce 8.62% | -$16.3M | $172M | 0.44% | Aug 12, 2026 |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | Added 41.79% | +$15.8M | $53.5M | 1.61% | Jul 23, 2026 |
| Fideuram Asset Management (Ireland) dac | Added 736.17% | +$15.6M | $17.8M | 0.34% | Jul 23, 2026 |
| Leonteq Securities AG | Reduce 97.31% | -$15.1M | $417K | 0.01% | Jul 27, 2026 |
| Kepler Cheuvreux (Suisse) SA | Added 128.70% | +$14.6M | $26M | 1.49% | Jul 15, 2026 |
| Natixis Advisors, LLC | Reduce 3.79% | -$14.5M | $367M | 0.41% | Aug 14, 2026 |
| DNB Asset Management AS | Added 12.48% | +$14.4M | $130M | 0.36% | Aug 11, 2026 |
| QV Investors Inc. | Reduce 85.76% | -$14.2M | $2.36M | 0.18% | Jul 21, 2026 |
| Mondrian Investment Partners LTD | Reduce 6.80% | -$13.8M | $189M | 2.92% | Jul 30, 2026 |
| Illinois Municipal Retirement Fund | Reduce 22.04% | -$13.8M | $48.8M | 0.55% | Aug 12, 2026 |
| Pinebridge Investments LLC | Reduce 40.26% | -$13.8M | $20.4M | 0.17% | Aug 14, 2026 |
| Vise Technologies, Inc. | Added 96.81% | +$13.8M | $28M | 0.32% | Aug 11, 2026 |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | Reduce 21.31% | -$13.7M | $50.5M | 0.90% | Aug 6, 2026 |
| AEGON ASSET MANAGEMENT UK Plc | Reduce 8.22% | -$13.5M | $150M | 1.60% | Jul 13, 2026 |
| King Luther Capital Management Corp | Added 10.52% | +$13.3M | $140M | 0.57% | Aug 10, 2026 |
| Aware Super Pty Ltd as trustee of Aware Super | Reduce 70.75% | -$13M | $5.38M | 0.08% | Jul 29, 2026 |
| Mirova | Added 230.79% | +$13M | $18.6M | 0.69% | Aug 13, 2026 |
| Causeway Capital Management LLC | Added 11.79% | +$12.9M | $123M | 1.33% | Aug 13, 2026 |
| Sumitomo Mitsui Trust Group, Inc. | Reduce 1.60% | -$12.9M | $793M | 0.45% | Jul 30, 2026 |
| Baird Financial Group, Inc. | Reduce 8.46% | -$12.6M | $137M | 0.19% | Aug 12, 2026 |