MRK · NYSE · Drug Manufacturers - General

Merck (MRK)

Develops oncology medicines, vaccines, cardiopulmonary therapies, and animal-health products worldwide.

$148.02
vs last close−2.89 (−1.92%)

13F · 13D/G · Form 4

Institutions82.41%2.03B shares
3,945 holders · as of Jun 30, 2026
Insiders0.04%1.03M shares
17 holders · as of Sep 1, 2026
Other17.55%432.91M shares
remainder

2.47B company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
9.20%227.00Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
6.54%161.32Mas of Jun 30, 2026
State Street CorpInstitution
4.88%120.41Mas of Jun 30, 2026
Wellington Management Group LLPInstitution
3.50%86.25Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
2.75%67.74Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.46%60.74Mas of Jun 30, 2026
Charles Schwab Investment Management IncInstitution
2.20%54.37Mas of Jun 30, 2026
Sixth Street Partners Management Company, L.P.Institution
2.20%54.37Mas of Jun 30, 2026
Morgan StanleyInstitution
1.97%48.64Mas of Jun 30, 2026
FMR LLCInstitution
1.84%45.44Mas of Jun 30, 2026
JPMorgan Chase & CoInstitution
1.78%43.89Mas of Jun 30, 2026
Fisher Asset Management, LLCInstitution
1.56%38.52Mas of Jun 30, 2026
Norges BankInstitution
1.50%36.98Mas of Jun 30, 2026
Bank of America Corp /DE/Institution
1.24%30.54Mas of Jun 30, 2026
Northern Trust CorpInstitution
1.07%26.28Mas of Jun 30, 2026
Goldman Sachs Group IncInstitution
0.89%22.08Mas of Jun 30, 2026
Franklin Resources IncInstitution
0.79%19.55Mas of Jun 30, 2026
UBS Asset Management Americas IncInstitution
0.79%19.55Mas of Jun 30, 2026
Legal & General Group PLCInstitution
0.76%18.87Mas of Jun 30, 2026
Invesco Ltd.Institution
0.75%18.61Mas of Jun 30, 2026
Price T Rowe Associates Inc /MD/Institution
0.75%18.52Mas of Jun 30, 2026
Bank of New York Mellon CorpInstitution
0.74%18.34Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
0.71%17.49Mas of Jun 30, 2026
Ameriprise Financial IncInstitution
0.70%17.39Mas of Jun 30, 2026
Capital International InvestorsInstitution
0.62%15.39Mas of Jun 30, 2026

13F, as of Jun 30, 2026

3,945 holders · 2.03B shares · 219 new positions · 1,847 increased · 1,513 reduced · 180 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.227.00M9.20%+1.17MAug 7, 2026
Vanguard Capital Management LLC161.32M6.54%+335.6KAug 13, 2026
State Street Corp120.41M4.88%+1.09MAug 7, 2026
Wellington Management Group LLP86.25M3.50%+1.93MAug 14, 2026
Vanguard Portfolio Management LLC67.74M2.75%+434.7KAug 13, 2026
Geode Capital Management, LLC60.74M2.46%+1.19MAug 12, 2026
Charles Schwab Investment Management Inc54.37M2.20%+4.60MAug 14, 2026
Sixth Street Partners Management Company, L.P.54.37M2.20%+54.37MnewAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Vanguard Capital Management7.53%186.32M13GApr 30, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 13, 2026
Chirfi Guindoofficer: EVP, Access, Policy & Comms
Sale10,000$135.0036,613
Aug 12, 2026
Jennifer Zacharyofficer: EVP, General Counsel
Sale80,315$133.4645,509
Aug 12, 2026
Richard R. DeLucaofficer: EVP&Pres, Merck Animal Heallth
Sale · 2 lots11,699$131.63110,167
Aug 11, 2026
Richard R. DeLucaofficer: EVP&Pres, Merck Animal Heallth
Sale · 2 lots12,837$131.76121,866
Aug 10, 2026
Richard R. DeLucaofficer: EVP&Pres, Merck Animal Heallth
Sale20,784$130.43134,703
Aug 6, 2026
Richard R. DeLucaofficer: EVP&Pres, Merck Animal Heallth
Sale · 3 lots6,050$130.38155,487
Aug 6, 2026
Chirfi Guindoofficer: EVP, Access, Policy & Comms
Sale15,000$131.0046,613
Aug 5, 2026
David Michael Williamsofficer: EVP,Chief Info&Digital Officer
Sale34,705$128.7731,716
Aug 5, 2026
David R. Maraldoofficer: EVP & Pres. MMD
Sale2,686$128.7218,212
Feb 12, 2026
Chirfi Guindoofficer: Chief Marketing Officer
Sale10,000$121.4660,615

House and Senate disclosures

MemberTypeAmountOwnerTradedDisclosed
Rep. Maria Elvira Salazar · FL27Purchase$15,001 – $50,000Aug 19, 2026Sep 10, 2026
Rep. Maria Elvira Salazar · FL27Purchase$15,001 – $50,000Aug 19, 2026Sep 10, 2026
Rep. Maria Elvira Salazar · FL27Purchase$15,001 – $50,000Aug 19, 2026Sep 10, 2026
Rep. Ro Khanna · CA17Purchase$15,001 – $50,000Aug 7, 2026Sep 7, 2026
Rep. Keith SelfSale$1,001 – $15,000SelfJan 10, 2025Jul 1, 2026