Security key
58933Y105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 1,941,447,306
- Total 13F value
- $174,232,015,862
- Share change
- -33,575,287
- Put/Call ratio
- 87%
- SEC-reported price per share
- $89.76
- Number of holders
- 3,404
- Value change
- -$3,587,246,902
- Number of buys
- 1,468
- Number of sells
- 1,848
- Shares outstanding
- 2,474,419,203
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
3,404
Top holders
10
MRK full security history
Ownership snapshot
Full 13F holder table
Merck & Co., Inc. SEC filings
Merck & Co., Inc. company facts
Merck & Co., Inc. 13D/G history
Broader feeds
Ownership snapshot
Top reported holders of MRK - Merck & Co., Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
Lead comparable stake: 10%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 10%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
10%
BlackRock, Inc.
9%
STATE STREET CORP
4.9%
WELLINGTON MANAGEMENT GROUP LLP
3.3%
GEODE CAPITAL MANAGEMENT, LLC
2.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
10%
|
$24,979,040,725
251,096,107 shares
|
— | 31 Dec 2024 |
| BlackRock, Inc. |
13F
Company
|
9%
|
$22,092,701,902
222,081,845 shares
|
— | 31 Dec 2024 |
| STATE STREET CORP |
13F
Company
|
4.9%
|
$12,123,449,299
120,909,306 shares
|
— | 31 Dec 2024 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
3.3%
|
$8,032,217,145
80,742,030 shares
|
— | 31 Dec 2024 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.5%
|
$6,072,581,697
61,181,863 shares
|
— | 31 Dec 2024 |
| MORGAN STANLEY |
13F
Company
|
1.8%
|
$4,395,394,744
44,183,699 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
3,404
Shares
1,941,447,306
Rows available
3,404
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
3,404
Q1 2025 holders
3,404
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|