Who holds ticker verified against the SEC company list on 2026-09-10 — a reviewed name-and-class mapping row, never an inferred symbol. how tickers are mapped ↗

MERCK · common stock (filed as COM) · Q1 2026 · 62 members disclosed MRK ↗
13F filers reporting this class for the quarter ended 2026-03-31; 1–500 of 3,192 holders are listed, largest first
3,192
sum of the reported values across every holder; undisclosed values are left out, never counted as zero
$212B
holders whose share count rose or who opened the position (new + add), by shares
1,430
holders absent this quarter after holding last quarter — inferred from absence, not a sale record
123
FILING WINDOW OPEN
Q3 2026 filings are due by 2026-11-16 — figures for that quarter will change; missing filers are not zeros.

Holders — quarter ended 2026-03-31

by reported value · Δ shares vs 2025-12-31Holders rank by reported value. The change kind — new, add, trim or exit — is read from the share count against the prior quarter, never from the reported value.
13F holders of MRK ranked by reported value, 1–25 of 3,192 holders
#FilerReported valueSharesΔ sharesChange
1BlackRock, Inc.$27.2B225,830,330+6,734,865ADD
2VANGUARD CAPITAL MANAGEMENT LLC$19.4B160,987,624—NO PRIOR
3STATE STREET CORP$14.5B119,325,673−714,495TRIM
4WELLINGTON MANAGEMENT GROUP LLP$10.1B84,314,971−2,120,487TRIM
5VANGUARD PORTFOLIO MANAGEMENT LLC$8.1B67,304,305—NO PRIOR
6GEODE CAPITAL MANAGEMENT, LLC$7.1B59,558,154−489,830TRIM
7JPMORGAN CHASE & CO$6.3B52,972,983+23,773,005ADD
8CHARLES SCHWAB INVESTMENT MANAGEMENT INC$6.0B49,765,225+1,201,421ADD
9MORGAN STANLEY$5.7B47,632,487+2,686,466ADD
10FMR LLC$5.4B44,516,010+3,679,444ADD
11BANK OF AMERICA CORP /DE/$3.7B30,774,221+2,919,780ADD
12NORTHERN TRUST CORP$3.3B27,090,023−144,619TRIM
13Fisher Asset Management, LLC$3.2B26,436,284+1,562,957ADD
14Invesco Ltd.$2.6B21,855,101+1,308,916ADD
15UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$2.5B20,414,819+981,416ADD
16Legal & General Group Plc$2.4B19,538,545−238,297TRIM
17Bank of New York Mellon Corp$2.3B18,713,363−451,163TRIM
18AMERIPRISE FINANCIAL INC$2.0B16,262,708+288,299ADD
19FRANKLIN RESOURCES INC$2.0B16,267,205+203,155ADD
20DIMENSIONAL FUND ADVISORS LP$1.9B15,456,039+2,969,856ADD
21VANGUARD FIDUCIARY TRUST CO$1.7B13,964,179—NO PRIOR
22UBS Group AG$1.7B13,933,630−5,244,642TRIM
23STATE FARM MUTUAL AUTOMOBILE INSURANCE CO$1.7B13,794,9690NO CHANGE
24Amundi$1.7B13,764,954+379,861ADD
25ROYAL BANK OF CANADA$1.6B13,201,722+11,637ADD
Show the top 500 of 3,192 holders
Truncated by Public Filings. Top 500 of 3,192 holders shown; the rest are on EDGAR. Method ↗
Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt.

Congress ↔ notable managers · MRK

Congress · last 90 days

Buyers
1 Maria Elvira Salazar R–FL-27 $30K–$100K
Sellers
1 Maria Elvira Salazar R–FL-27 $1K–$15K

filed 2026-07-31 → 2026-10-29 · statutory ranges

Use of congressional disclosure reports for commercial purposes, credit decisions or solicitation is restricted by 5 U.S.C. §13107(c).

Notable managers · quarter ended 2026-03-31

Adding
1 Gotham Asset Management $60.9M held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · MERCK

Merged timeline of congressional filings and notable-manager moves on MRK
DateWhoChangeSize
2026-10-07Maria Elvira Salazar CongressSELL$1K–$15K
2026-09-09Maria Elvira Salazar CongressBUY$15K–$50K
2026-09-09Maria Elvira Salazar CongressBUY$15K–$50K
2026-05-15Gotham Asset Management 13FADD+59,124 sh
2026-05-15Bridgewater Associates 13FEXIT−310,221 sh
2026-05-14Caxton Associates 13FEXIT−250,000 sh

6 newest, by filing date · 13F rows are quarter-end snapshots, not trades

A 13F is a quarterly, long-only snapshot filed up to 45 days late — not current holdings. what a 13F covers ↗

13F reports cover LONG positions in Section 13(f) securities (US exchange-traded equities plus reportable options, warrants, certain convertibles) held by managers with at least $100M in such securities — so managers below that threshold are absent entirely. No short positions, no cash, no non-13(f) assets — not a full portfolio, and not a census of institutional ownership.

Positions are quarter-end snapshots filed up to 45 days late — not current holdings: a position may have changed or closed since the quarter ended.

Values are the manager's stated market value at quarter-end in era-dependent units (whole dollars for form versions effective 2023-01-03 onward, thousands before), normalized here to whole dollars; each record notes its original unit.

Affiliated managers may report the same position, so one position can appear under more than one filer.

Positions under confidential treatment may be omitted until a later amendment discloses them.

These are disclosures, not investment advice.