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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, Q2 2023

Institutional positions in Merck & Co., Inc. as of Jun 30, 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
3,262
+97 vs. Q1 2023
Shares held
1.94B
−53.5M (−2.7%) vs. Q1 2023
Total value
$222.8B
+$17.8B (+8.7%) vs. Q1 2023
New holders
185
1,233 more added
Sold out
88
1,462 more reduced

23 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 holdersQ2 2023: 3,262 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 heldQ2 2023: $222.8B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2023.

Institutions holding MRK in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Federated Hermes, Inc.781,657$90.2M0.22%+116,786+17.6%Added
Impax Asset Management Group plc775,513$89.5M0.36%+6,545+0.9%Added
Old Republic International Corporation761,350$87.9M2.88%−1,750−0.2%Reduced
Amalgamated Bank760,729$87.8M0.71%+49,842+7.0%Added
Nisa Investment Advisors, LLC757,876$87.5M0.64%−16,270−2.1%Reduced
Boston Trust Walden Corp751,953$86.8M0.71%−1,270−0.2%Reduced
Sound Shore Management Inc750,745$86.6M3.19%+81,465+12.2%Added
BI Asset Management Fondsmaeglerselskab A/S739,780$85.4M2.02%+111,449+17.7%Added
Guggenheim Capital LLC738,798$85.2M0.67%−103,694−12.3%Reduced
State of Michigan Retirement System729,190$84.1M0.52%−1,800−0.2%Reduced
Tekla Capital Management LLC728,154$84.0M3.29%+176,032+31.9%Added
Teachers Retirement System of the State of Kentucky727,148$83.9M0.81%+486,297+201.9%Added
Arizona State Retirement System725,389$83.7M0.68%+33,118+4.8%Added
Blair William & Co718,307$82.9M0.30%+16,435+2.3%Added
Oregon Public Employees Retirement Fund717,764$82.8M0.98%−45,129−5.9%Reduced
Teacher Retirement System of Texas713,716$82.4M0.55%−135,921−16.0%Reduced
Peapack Gladstone Financial Corp707,370$81.6M1.45%−18,114−2.5%Reduced
Creative Planning699,675$80.7M0.11%+18,146+2.7%Added
Employees Provident Fund Board697,899$80.5M1.91%+234,450+50.6%Added
Gateway Investment Advisers LLC692,108$79.9M0.94%−12,251−1.7%Reduced
Miller Howard Investments Inc686,041$79.2M2.82%+505+0.1%Added
DnB Asset Management AS684,224$79.0M0.45%+78,804+13.0%Added
LGT Group Foundation681,743$78.7M1.90%+318,015+87.4%Added
American International Group, Inc.679,382$78.4M0.48%+11,201+1.7%Added
Artisan Partners Limited Partnership675,729$78.0M0.13%+19,001+2.9%Added
Bank of Nova Scotia667,662$77.0M0.20%+415,154+164.4%Added
Vontobel Holding Ltd.665,388$76.8M0.67%−25,468−3.7%Reduced
MetLife Investment Management663,589$76.6M0.56%−32,956−4.7%Reduced
Point72 Asset Management, L.P.661,094$76.3M0.26%+34,122+5.4%Added
Saturna Capital CORP660,276$76.2M1.32%+2,060+0.3%Added
Cacti Asset Management LLC659,493$76.1M6.89%00.0%Unchanged
RE Advisers Corp655,604$75.7M2.01%+3,200+0.5%Added
Magnetar Financial LLC653,931$75.5M1.66%−166,732−20.3%Reduced
Forsta Ap-Fonden652,900$75.3M0.81%−28,400−4.2%Reduced
Kahn Brothers Group Inc648,671$74.8M10.97%−22,933−3.4%Reduced
Factory Mutual Insurance Co639,980$73.8M1.09%−123,300−16.2%Reduced
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH636,052$73.4M3.20%−6,822−1.1%Reduced
Intech Investment Management LLC633,207$73.1M0.75%−188,938−23.0%Reduced
USS Investment Management Ltd622,787$71.8M0.86%−1,426−0.2%Reduced
United Services Automobile Association617,017$71.2M2.04%−1660.0%Reduced
Employees Retirement System of Texas607,424$70.1M0.96%+58,000+10.6%Added
Van Eck Associates Corp605,173$69.8M0.15%+17,821+3.0%Added
ProShare Advisors LLC602,733$69.5M0.20%−8,106−1.3%Reduced
D.A. Davidson & Co.601,290$69.4M0.73%−7,660−1.3%Reduced
Mercer Global Advisors Inc601,092$69.4M0.28%+66,911+12.5%Added
PFM Health Sciences, LP596,261$68.8M2.77%+135,143+29.3%Added
Healthcare of Ontario Pension Plan Trust Fund596,000$68.8M0.31%+404,000+210.4%Added
Compagnie Lombard Odier SCmA595,974$68.8M1.93%−22,460−3.6%Reduced
Financial Counselors Inc589,605$68.0M1.38%−19,143−3.1%Reduced
Prio Wealth Limited Partnership587,805$67.8M2.43%−14,251−2.4%Reduced
E. Ohman J:or Asset Management AB581,927$67.1M2.42%+1,264+0.2%Added
Artemis Investment Management LLP574,748$66.2M0.84%−778,012−57.5%Reduced
Radnor Capital Management, LLC571,677$66.0M28.19%−15,468−2.6%Reduced
Manning & Napier Group, LLC566,045$65.3M0.75%+46,220+8.9%Added
Kornitzer Capital Management Inc558,622$64.5M1.27%−2,381−0.4%Reduced
MML Investors Services, LLC555,224$64.1M0.35%+74,325+15.5%Added
Fort Washington Investment Advisors Inc551,695$63.7M0.46%−143,065−20.6%Reduced
Swiss Life Asset Management Ltd547,110$63.1M0.93%−49,098−8.2%Reduced
Martingale Asset Management L P546,596$63.1M1.23%−45,147−7.6%Reduced
Panagora Asset Management Inc545,770$63.0M0.37%+350,552+179.6%Added
Cantor Fitzgerald, L. P.545,319$62.9M1.45%−14,549−2.6%Reduced
Texas Permanent School Fund532,266$61.4M0.57%+3,680+0.7%Added
Assenagon Asset Management S.A.528,904$61.0M0.24%−1,227,869−69.9%Reduced
GWM Advisors LLC527,915$60.9M0.69%−7,449−1.4%Reduced
Sofinnova Investments, Inc.527,373$60.9M4.02%−314,149−37.3%Reduced
Aristotle Atlantic Partners, LLC526,810$60.8M2.29%00.0%Unchanged
Tredje AP-fonden524,440$60.5M0.86%+25,153+5.0%Added
Colony Group LLC523,952$60.5M0.86%−7,758−1.5%Reduced
Ofi Invest Asset Management523,782$60.4M2.40%−57,419,510−99.1%Reduced
Nichols & Pratt Advisers LLP524,003$60.4M4.40%−40,852−7.2%Reduced
Alberta Investment Management Corp522,754$60.3M0.58%+463,051+775.6%Added
Sumitomo Mitsui DS Asset Management Company, Ltd514,951$59.4M0.91%+34,607+7.2%Added
CIBC Asset Management Inc511,669$59.0M0.23%−12,431−2.4%Reduced
Trillium Asset Management, LLC509,593$58.8M1.65%−405−0.1%Reduced
Douglas Lane & Associates, LLC508,143$58.6M0.95%−15,405−2.9%Reduced
Stephens Inc507,657$58.6M1.05%+14,623+3.0%Added
Los Angeles Capital Management LLC507,194$58.5M0.23%−26,184−4.9%Reduced
CWM, LLC506,386$58.4M0.36%+6,784+1.4%Added
Fort Pitt Capital Group, LLC505,957$58.4M2.15%+16,199+3.3%Added
IFM Investors Pty Ltd505,189$58.3M0.76%+24,628+5.1%Added
United Capital Financial Advisers, LLC501,336$57.8M0.32%−5,760−1.1%Reduced
Todd Asset Management LLC501,195$57.8M1.35%+499,315+26,559.3%Added
Perpetual Ltd497,855$57.4M0.49%−84,131−14.5%Reduced
Empire Life Investments Inc.495,231$57.1M3.90%+2,045+0.4%Added
State of Alaska, Department of Revenue492,027$56.8M0.68%−120,944−19.7%Reduced
Natixis490,333$56.6M0.48%−188,794−27.8%Reduced
Unigestion Holding SA490,541$55.7M3.22%−57,493−10.5%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.482,330$55.6M0.72%−32,792−6.4%Reduced
Heritage Wealth Advisors480,467$55.4M2.93%+3,446+0.7%Added
Pinnacle Associates Ltd479,056$55.3M0.96%+44,092+10.1%Added
Cambridge Investment Research Advisors, Inc.479,001$55.3M0.25%+1200.0%Added
Cookson Peirce & Co Inc477,831$55.1M3.37%−9,048−1.9%Reduced
Border to Coast Pensions Partnership Ltd475,223$54.8M1.38%00.0%Unchanged
Donaldson Capital Management, LLC473,144$54.6M2.49%−870.0%Reduced
Dai-Ichi Life Insurance Company, Ltd470,515$54.3M1.13%+31,693+7.2%Added
Ardevora Asset Management LLP469,741$54.2M1.31%+178,700+61.4%Added
B. Metzler seel. Sohn & Co. AG468,572$54.1M0.73%+2,631+0.6%Added
Birch Hill Investment Advisors LLC465,966$53.8M3.08%−4,909−1.0%Reduced
Marathon Asset Mgmt Ltd459,054$53.3M1.50%−51,278−10.0%Reduced
Harvest Portfolios Group Inc.461,265$53.2M2.44%−19,998−4.2%Reduced