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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; 3,855 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, Q3 2021

Institutional positions in Merck & Co., Inc. as of Sep 30, 2021. 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
2,658
+15 vs. Q2 2021
Shares held
1.85B
−4.78M (−0.3%) vs. Q2 2021
Total value
$138.8B
−$5.04B (−3.5%) vs. Q2 2021
New holders
116
1,243 more added
Sold out
101
978 more reduced

41 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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.

Institutional holdersQ3 2021: 2,658 institutions
Q1 2021: 2,693 institutionsQ2 2021: 2,684 institutionsQ3 2021: 2,658 institutionsQ4 2021: 2,910 institutionsQ1 2022: 2,962 institutionsQ2 2022: 3,020 institutionsQ3 2022: 2,997 institutionsQ4 2022: 3,244 institutionsQ1 2023: 3,188 institutionsQ2 2023: 3,262 institutionsQ3 2023: 3,222 institutionsQ4 2023: 3,444 institutionsQ1 2024: 3,547 institutionsQ2 2024: 3,558 institutionsQ3 2024: 3,502 institutionsQ4 2024: 3,619 institutionsQ1 2025: 3,460 institutionsQ2 2025: 3,338 institutionsQ3 2025: 3,320 institutionsQ4 2025: 3,675 institutionsQ1 2026: 3,813 institutionsQ2 2026: 3,855 institutions
Value heldQ3 2021: $138.8B
Q1 2021: $143.2BQ2 2021: $144.3BQ3 2021: $138.8BQ4 2021: $142.2BQ1 2022: $152.1BQ2 2022: $171.5BQ3 2022: $162.7BQ4 2022: $212.2BQ1 2023: $205.1BQ2 2023: $222.8BQ3 2023: $197.7BQ4 2023: $211.6BQ1 2024: $256.9BQ2 2024: $242.3BQ3 2024: $221.8BQ4 2024: $196.9BQ1 2025: $177.7BQ2 2025: $155.9BQ3 2025: $159.8BQ4 2025: $206.6BQ1 2026: $231.9BQ2 2026: $254.3B
Institutions holding MRK and their total value by quarter
QuarterHoldersValue
Q2 20263,855$254.3B
Q1 20263,813$231.9B
Q4 20253,675$206.6B
Q3 20253,320$159.8B
Q2 20253,338$155.9B
Q1 20253,460$177.7B
Q4 20243,619$196.9B
Q3 20243,502$221.8B
Q2 20243,558$242.3B
Q1 20243,547$256.9B
Q4 20233,444$211.6B
Q3 20233,222$197.7B
Q2 20233,262$222.8B
Q1 20233,188$205.1B
Q4 20223,244$212.2B
Q3 20222,997$162.7B
Q2 20223,020$171.5B
Q1 20222,962$152.1B
Q4 20212,910$142.2B
Q3 20212,658$138.8B
Q2 20212,684$144.3B
Q1 20212,693$143.2B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2021.

Institutions holding MRK in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ci Investments Inc.252,803$19.0M0.07%−38,202−13.1%Reduced
Salem Investment Counselors Inc250,842$18.8M1.03%+5,212+2.1%Added
Tiaa, FSB250,706$18.8M0.07%−3,826−1.5%Reduced
Hartford Investment Management Co250,223$18.8M0.52%−30,356−10.8%Reduced
Clark Estates Inc250,000$18.8M2.68%00.0%Unchanged
Palladium Partners LLC249,696$18.8M0.85%+39,308+18.7%Added
Intact Investment Management Inc.248,000$18.6M0.52%+11,500+4.9%Added
Norinchukin Bank, The246,950$18.5M0.26%+10,327+4.4%Added
Braun Stacey Associates Inc246,554$18.5M0.74%−168−0.1%Reduced
Glenview Trust Co243,410$18.3M0.71%+5,698+2.4%Added
Caption Management, LLC240,000$18.0M1.18%+228,800+2,042.9%Added
Northwest & Ethical Investments L.P.239,475$18.0M0.59%+25,952+12.2%Added
Cypress Capital Management LLC230,577$17.9M2.37%00.0%Unchanged
Chartwell Investment Partners, LLC238,567$17.9M0.56%+21,232+9.8%Added
Cetera Advisor Networks LLC238,553$17.9M0.24%+32,902+16.0%Added
Achmea Investment Management B.V.237,443$17.8M0.54%−24,984−9.5%Reduced
Vestcor Inc235,009$17.7M0.64%−9,165−3.8%Reduced
Hexavest Inc.234,850$17.6M1.08%+10,983+4.9%Added
HM Payson & Co234,253$17.6M0.43%−64,410−21.6%Reduced
Erste Asset Management GmbH234,426$17.6M0.35%+14,652+6.7%Added
Roffman Miller Associates Inc231,808$17.4M1.29%−62,656−21.3%Reduced
FDx Advisors, Inc.228,621$17.2M0.55%+13,228+6.1%Added
Destination Wealth Management228,280$17.1M0.67%+6,332+2.9%Added
Prospector Partners LLC227,108$17.1M2.19%+1,560+0.7%Added
Atria Investments LLC224,498$16.9M0.30%+20,611+10.1%Added
Dodge & Cox221,678$16.6M0.01%−7,350−3.2%Reduced
Voloridge Investment Management, LLC219,887$16.5M0.11%+217,279+8,331.3%Added
Foundation Resource Management Inc219,754$16.5M3.72%−900−0.4%Reduced
Moody National Bank Trust Division219,038$16.5M0.24%+1,105+0.5%Added
Illinois Municipal Retirement Fund218,734$16.4M0.60%+46,183+26.8%Added
Stack Financial Management, Inc218,380$16.4M1.56%+1,017+0.5%Added
Private Asset Management Inc217,682$16.4M2.23%+3,117+1.5%Added
Securian Asset Management, Inc215,138$16.2M0.33%−2,414−1.1%Reduced
Crestwood Advisors Group LLC214,872$16.1M0.46%−9,033−4.0%Reduced
Varma Mutual Pension Insurance Co214,800$16.1M0.25%+50,000+30.3%Added
Cinctive Capital Management LP214,690$16.1M0.88%+214,690New
Stillwater Capital Advisors, LLC214,250$16.1M2.65%−1,100−0.5%Reduced
Mercer Global Advisors Inc210,760$15.8M0.11%+9,731+4.8%Added
AE Wealth Management LLC210,675$15.8M0.13%+19,979+10.5%Added
Wealth Enhancement Advisory Services, LLC192,118$15.8M0.23%+192,118New
RWC Asset Management LLP206,955$15.5M0.47%+7,017+3.5%Added
Twin Tree Management, LP205,416$15.4M0.46%+205,416New
Cresset Asset Management, LLC202,547$15.3M0.21%+2,703+1.4%Added
Forbes J M & Co LLP203,730$15.3M1.93%+2,330+1.2%Added
Wilkins Investment Counsel Inc203,132$15.3M3.73%+3,575+1.8%Added
Neville Rodie & Shaw Inc202,639$15.2M1.18%−26,440−11.5%Reduced
American National Insurance Co202,065$15.2M0.57%−235−0.1%Reduced
Central Securities Corp200,000$15.0M1.59%00.0%Unchanged
Ally Financial Inc.200,000$15.0M1.47%00.0%Unchanged
Cambridge Trust Co197,537$14.8M0.56%−3,902−1.9%Reduced
TD Private Client Wealth LLC196,209$14.7M0.63%−304−0.2%Reduced
Bryn Mawr Trust Co196,164$14.7M0.57%−2,217−1.1%Reduced
Maryland State Retirement & Pension System193,256$14.7M0.42%+1,689+0.9%Added
Daiwa Securities Group Inc.194,417$14.6M0.10%−3,594−1.8%Reduced
TCTC Holdings, LLC194,341$14.6M0.67%+275+0.1%Added
Reilly Financial Advisors, LLC192,503$14.5M1.24%+27,038+16.3%Added
River Road Asset Management, LLC192,323$14.4M0.16%−14,777−7.1%Reduced
Associated Banc-Corp191,269$14.4M0.57%−12,510−6.1%Reduced
Richard C. Young & CO., LTD.191,240$14.4M1.97%+2,115+1.1%Added
Montag A & Associates Inc190,395$14.3M0.77%+16,858+9.7%Added
BTR Capital Management Inc190,133$14.3M1.77%+2,277+1.2%Added
Umb Bank N A189,587$14.2M0.32%−4,612−2.4%Reduced
CapWealth Advisors, LLC189,312$14.2M1.56%+3,995+2.2%Added
Azimuth Capital Management LLC189,161$14.2M0.61%+565+0.3%Added
Personal Capital Advisors Corp189,038$14.2M0.07%+22,410+13.4%Added
Whittier Trust Co of Nevada Inc188,352$14.1M0.58%+2,569+1.4%Added
Capitolis Advisors LLC183,279$14.1M0.13%−927−0.5%Reduced
Motco188,144$14.1M0.92%+10,795+6.1%Added
Fosun International Ltd187,138$14.1M0.72%−800−0.4%Reduced
Quadrature Capital Ltd186,161$14.0M0.51%+186,161New
Meeder Asset Management Inc185,554$13.9M0.73%−1,158−0.6%Reduced
Doyle Wealth Management185,539$13.9M1.11%+4,729+2.6%Added
GW Henssler & Associates Ltd185,479$13.9M0.97%−14,486−7.2%Reduced
Cetera Investment Advisers184,318$13.8M0.22%+3,638+2.0%Added
Smith Group Asset Management, LLC183,798$13.8M0.71%+183,798New
Baldwin Brothers Inc184,040$13.8M1.53%+708+0.4%Added
Terril Brothers, Inc.183,105$13.8M3.40%−2,720−1.5%Reduced
Tri Locum Partners LP181,765$13.7M6.35%+181,765New
Freestone Capital Holdings, LLC180,635$13.6M0.68%+16,749+10.2%Added
Pacer Advisors, Inc.180,592$13.6M0.17%+21,658+13.6%Added
Crossmark Global Holdings, Inc.180,280$13.5M0.32%−1,078−0.6%Reduced
Cohen Klingenstein LLC180,249$13.5M0.59%−24,677−12.0%Reduced
Perpetual Investment Management Ltd180,245$13.5M1.72%−325−0.2%Reduced
First Horizon Advisors, Inc.179,952$13.5M0.44%+136,584+314.9%Added
Gamco Investors, Inc. Et Al179,596$13.5M0.12%−9,225−4.9%Reduced
Jones Financial Companies LLLP179,095$13.5M0.02%+317+0.2%Added
Cantor Fitzgerald Investment Adviser L.P.177,094$13.3M0.98%+259+0.1%Added
Bedrijfstakpensioenfonds Voor de Media Pno205,000$13.3M1.58%00.0%Unchanged
Elo Mutual Pension Insurance Co176,330$13.2M0.43%−1,393−0.8%Reduced
Jefferies Group LLC176,000$13.2M0.32%+98,371+126.7%Added
Matrix Asset Advisors Inc175,000$13.1M1.85%+2,148+1.2%Added
Beck Mack & Oliver LLC173,014$13.0M0.34%−320−0.2%Reduced
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial172,900$13.0M0.42%00.0%Unchanged
First National Trust Co172,832$13.0M0.78%−3,058−1.7%Reduced
Verition Fund Management LLC171,284$12.9M0.20%+167,914+4,982.6%Added
Campbell Newman Asset Management Inc170,940$12.8M1.31%+267+0.2%Added
Tufton Capital Management170,806$12.8M2.17%−663−0.4%Reduced
Pictet & Cie (Europe) SA169,983$12.8M0.47%+6,023+3.7%Added
Blackhill Capital Inc169,250$12.7M1.10%−112,000−39.8%Reduced
Pathstone Family Office, LLC168,946$12.7M0.37%+28,747+20.5%Added