3399 tracked 13F filers disclose a position in MRK as of the latest SEC 13F filings, a combined $216.1B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $27.2B | 225.8M | ▲+3.1% Added · +6.7M sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $19.4B | 161.0M | →First observed position No prior filed position | Q1 2026 | |
| 3 | STATE STREET CORP | $15.6B | 120.4M | ▲+0.9% Added · +1.1M sh | Q2 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $8.1B | 67.3M | →First observed position No prior filed position | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $7.8B | 60.7M | ▲+2.0% Added · +1.2M sh | Q2 2026 | |
| 6 | JPMORGAN CHASE & CO | $6.3B | 53.0M | ▲+81% Added · +23.8M sh | Q1 2026 | |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6.0B | 49.8M | ▲+2.5% Added · +1.2M sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $5.7B | 47.6M | ▲+6.0% Added · +2.7M sh | Q1 2026 | |
| 9 | FMR LLC | $5.4B | 44.5M | ▲+9.0% Added · +3.7M sh | Q1 2026 | |
| 10 | NORGES BANK | $4.0B | 38.0M | ▲+5.2% Added · +1.9M sh | Q4 2025 | |
| 11 | BANK OF AMERICA CORP /DE/ | $3.7B | 30.8M | ▲+10% Added · +2.9M sh | Q1 2026 | |
| 12 | NORTHERN TRUST CORP | $3.3B | 27.1M | ▼−0.5% Reduced · −145K sh | Q1 2026 | |
| 13 | Fisher Asset Management, LLC | $3.2B | 26.4M | ▲+6.3% Added · +1.6M sh | Q1 2026 | |
| 14 | PRICE T ROWE ASSOCIATES INC /MD/ | $2.8B | 23.0M | ▲+23% Added · +4.3M sh | Q1 2026 | |
| 15 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $2.5B | 20.4M | ▲+5.0% Added · +981K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $2.4B | 20.1M | ▲+4.0% Added · +785K sh | Q1 2026 | |
| 17 | Legal & General Group Plc | $2.4B | 19.5M | ▼−1.2% Reduced · −238K sh | Q1 2026 | |
| 18 | Bank of New York Mellon Corp | $2.3B | 18.7M | ▼−2.4% Reduced · −451K sh | Q1 2026 | |
| 19 | FRANKLIN RESOURCES INC | $2.0B | 16.3M | ▲+1.3% Added · +203K sh | Q1 2026 | |
| 20 | AMERIPRISE FINANCIAL INC | $2.0B | 16.3M | ▲+1.8% Added · +288K sh | Q1 2026 | |
| 21 | DIMENSIONAL FUND ADVISORS LP | $1.9B | 15.5M | ▲+24% Added · +3.0M sh | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $1.7B | 14.0M | →First observed position No prior filed position | Q1 2026 | |
| 23 | UBS Group AG | $1.7B | 13.9M | ▼−27% Reduced · −5.2M sh | Q1 2026 | |
| 24 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | $1.7B | 13.8M | —Held | Q1 2026 | |
| 25 | Amundi | $1.7B | 13.8M | ▲+2.8% Added · +380K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 0 funds opened a new position in MRK and 21 added to an existing one, while 22 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 2291 funds | $419.2B |
| APPLE INCAAPL | 2268 funds | $459.0B |
| AMAZON.COM INCAMZN | 2212 funds | $316.8B |
| NVIDIA CORPNVDA | 2209 funds | $577.1B |
| ALPHABET INC-CL AGOOGL | 2206 funds | $290.1B |
| JPMORGAN CHASE & COJPM | 2170 funds | $116.5B |
| JOHNSON & JOHNSONJNJ | 2127 funds | $81.6B |
| ALPHABET INC-CL CGOOG | 2081 funds | $192.2B |
| META PLATFORMS INC-CLASS AMETA | 2038 funds | $173.2B |
| ELI LILLY & COLLY | 2037 funds | $130.2B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 2008 funds | $65.0B |
| ABBVIE INCABBV | 2007 funds | $55.5B |
Ranked by how many of MRK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 13, 2026 | Guindo Chirfi | EVP, Access, Policy & Comms | Sell (S) | 10K | $1.4M |
| Aug 12, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 11K | $1.5M |
| Aug 12, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 600 | $79K |
| Aug 12, 2026 | Zachary Jennifer | EVP, General Counsel | Sell (S) | 80K | $10.7M |
| Aug 11, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 7K | $973K |
| Aug 11, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 5K | $718K |
| Aug 10, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 21K | $2.7M |
| Aug 6, 2026 | Guindo Chirfi | EVP, Access, Policy & Comms | Sell (S) | 15K | $2.0M |
| Aug 6, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 805 | $105K |
| Aug 6, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 5K | $644K |
| Aug 6, 2026 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | Sell (S) | 300 | $39K |
| Aug 5, 2026 | Williams David Michael | EVP,Chief Info&Digital Officer | Sell (S) | 5K | $592K |
| Class | 13F holders | Value held |
|---|---|---|
| MRKthis pagecs | 3399 funds | $216.1B |
| 58933Y108COM | 1 funds | $3.3M |
| 58933Y905CALL | 1 funds | $520K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for MRK
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MRK/capital-change-brief"
Use Arkolith's capital_change_brief for MRK. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MRK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.