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Security record · archived quarter

MRK

Merck & Co., Inc. · Healthcare · Drug Manufacturers - General

145.60 +2.3% mkt cap $359.61B quote delayed (FMP) · as of Oct 11 03:53 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
183Tracked holders
0Δ holders
1.68BShares held
$176.48BReported value
+1New positions
−0Exits
Stable Conviction score 58/100 6 quarters of rising tracked shares ●●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +0.4% · net new positions +0.5% — formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 183 0 1.60B $205.64B +4 −3
Q1 2026 185 +1 1.56B $186.85B +3 −3
Q4 2025 183 0 1.68B $176.48B +1 —
Q3 2025 27 0 972.48M $81.66B +1 −2
Q2 2025 25 0 887.01M $70.29B +1 −1
Q1 2025 22 -1 386.62M $34.78B — −1
Q4 2024 23 -1 374.82M $37.37B — −1
Q3 2024 23 +1 256.79M $29.14B +1 —
Q2 2024 22 — 256.16M $31.70B — —
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group ✦ (passive) 254.32M +0.9% $26.77B 0.4% ▲ Add 3 SEC ↗ ×6
2 BlackRock ✦ (passive) 219.10M +2.0% $23.06B 0.4% ▲ Add 3 SEC ↗ ×22
3 State Street Global Advisors ✦ (passive) 120.04M +1.6% $12.74B 0.4% ▲ Add 5 SEC ↗
4 Wellington Management ✦ 86.44M +14.8% $9.10B 1.6% ▲ Add 7 SEC ↗ ×9
5 Geode Capital Management ✦ (passive) 60.05M +0.4% $6.31B 0.4% ▲ Add 7 SEC ↗ ×2
6 Charles Schwab Investment… 48.56M — $5.11B 0.8% n/c 1 SEC ↗ ×3
7 Morgan Stanley ✦ 44.95M +0.8% $4.73B 0.3% ▲ Add 2 SEC ↗ ×19
8 Fidelity (FMR) ✦ 40.84M +22.2% $4.30B 0.2% ▲ Add 3 SEC ↗ ×6
9 Norges Bank ✦ (passive) 37.98M New $4.00B 0.4% New 1 SEC ↗
10 JPMorgan Chase ✦ 29.20M -58.5% $3.07B 0.2% ▼ Trim 2 SEC ↗ ×20
11 Bank Of America Corp /De/ 27.85M — $2.93B 0.2% n/c 1 SEC ↗ ×8
12 Northern Trust Corp 27.23M — $2.87B 0.4% n/c 1 SEC ↗ ×11
13 Fisher Asset Management ✦ 24.87M +3.4% $2.62B 0.9% ▲ Add 7 SEC ↗
14 Invesco Ltd. 20.55M — $2.16B 0.2% n/c 1 SEC ↗ ×24
15 Legal & General Group Plc 19.78M — $2.08B 0.5% n/c 1 SEC ↗ ×3
16 UBS AM, a distinct business unit of… 19.43M — $2.05B 0.4% n/c 1 SEC ↗ ×12
17 Goldman Sachs Group ✦ 19.35M +28.8% $2.04B 0.3% ▲ Add 2 SEC ↗ ×6
18 UBS Group AG 19.18M — $2.02B 0.4% n/c 1 SEC ↗ ×11
19 Bank of New York Mellon Corp 19.16M — $2.02B 0.4% n/c 1 SEC ↗ ×22
20 T. Rowe Price ✦ 18.75M +37.9% $1.97B 0.2% ▲ Add 7 SEC ↗ ×2
21 Hsbc Holdings Plc 16.15M — $1.70B 0.5% n/c 1 SEC ↗ ×40
22 Franklin Resources Inc 16.06M — $1.69B 0.4% n/c 1 SEC ↗ ×16
23 Ameriprise Financial Inc 15.97M — $1.68B 0.4% n/c 1 SEC ↗ ×7
24 Harris Associates (Oakmark) ✦ 14.09M +43.4% $1.48B 1.9% ▲ Add 6 SEC ↗ ×2
25 State Farm Mutual Automobile… 13.79M — $1.45B 1.1% n/c 1 SEC ↗ ×2
26 Amundi 13.39M — $1.41B 0.4% n/c 1 SEC ↗ ×13
27 Royal Bank Of Canada 13.19M — $1.39B 0.2% n/c 1 SEC ↗ ×18
28 Deutsche Bank Ag\ 12.79M — $1.35B 0.4% n/c 1 SEC ↗ ×19
29 Dimensional Fund Advisors Lp 12.49M — $1.31B 0.3% n/c 1 SEC ↗ ×5
30 AQR Capital Management ✦ 11.25M +5.5% $1.18B 0.6% ▲ Add 7 SEC ↗ ×9
31 Wells Fargo & Company/Mn 11.05M — $1.16B 0.2% n/c 1 SEC ↗ ×6
32 Nordea Investment Management Ab 10.57M — $1.12B 1.0% n/c 1 SEC ↗ ×4
33 Arrowstreet Capital ✦ 9.94M -46.9% $1.05B 0.6% ▼ Trim 7 SEC ↗
34 Alliancebernstein L.P. 8.63M — $908.64M 0.3% n/c 1 SEC ↗
35 California Public Employees… 8.57M — $901.91M 0.5% n/c 1 SEC ↗
36 Stifel Financial Corp 8.55M — $899.67M 0.8% n/c 1 SEC ↗ ×7
37 Swedbank AB 7.65M — $805.41M 0.8% n/c 1 SEC ↗ ×3
38 Pnc Financial Services Group, Inc. 7.62M — $802.27M 0.4% n/c 1 SEC ↗ ×8
39 Aristotle Capital Management, LLC 7.28M — $766.39M 1.5% n/c 1 SEC ↗
40 Corient Private Wealth LP 7.64M — $748.65M 0.5% n/c 1 SEC ↗ ×6
41 Sumitomo Mitsui Trust Group, Inc. 6.97M — $733.85M 0.4% n/c 1 SEC ↗
42 Nuveen, LLC 6.96M — $732.41M 0.2% n/c 1 SEC ↗ ×3
43 Raymond James Financial Inc 6.93M — $729.44M 0.2% n/c 1 SEC ↗ ×6
44 Grantham, Mayo, Van Otterloo & Co.… 6.87M — $723.15M 1.8% n/c 1 SEC ↗
45 Swiss National Bank 6.84M — $720.34M 0.4% n/c 1 SEC ↗
46 Citadel Advisors ✦ 6.82M +604.6% $718.01M 0.5% ▲ Add 2 SEC ↗ ×2
47 Millennium Management ✦ 6.80M +790.8% $715.80M 0.5% ▲ Add 7 SEC ↗
48 National Pension Service 5.79M — $609.39M 0.5% n/c 1 SEC ↗
49 Jennison Associates Llc 5.56M — $585.19M 0.4% n/c 1 SEC ↗ ×2
50 Mitsubishi UFJ Asset Management… 5.41M — $576.08M 0.4% n/c 1 SEC ↗
51 Bank Of Montreal /Can/ 5.37M — $565.48M 0.2% n/c 1 SEC ↗ ×9
52 American Century Companies Inc 5.37M — $565.10M 0.3% n/c 1 SEC ↗
53 Principal Financial Group Inc 5.08M — $535.01M 0.3% n/c 1 SEC ↗ ×4
54 Victory Capital Management Inc 4.81M — $506.15M 0.3% n/c 1 SEC ↗
55 Barclays Plc 4.77M — $502.48M 0.2% n/c 1 SEC ↗ ×5
56 Aberdeen Group plc 4.65M — $489.56M 0.8% n/c 1 SEC ↗ ×3
57 First Trust Advisors Lp 4.63M — $487.18M 0.4% n/c 1 SEC ↗
58 Massachusetts Financial Services Co… 4.42M — $464.83M 0.1% n/c 1 SEC ↗ ×7
59 Lazard Asset Management Llc 4.41M — $463.89M 0.8% n/c 1 SEC ↗ ×2
60 Pacer Advisors, Inc. 4.35M — $458.03M 1.2% n/c 1 SEC ↗
61 Canada Pension Plan Investment Board 4.31M — $454.15M 0.3% n/c 1 SEC ↗
62 Caisse De Depot Et Placement Du… 4.13M — $434.88M 0.7% n/c 1 SEC ↗
63 Rhumbline Advisers 3.98M — $418.54M 0.3% n/c 1 SEC ↗
64 Marshall Wace ✦ 3.97M +349.1% $417.83M 0.4% ▲ Add 7 SEC ↗ ×3
65 Allianz Asset Management GmbH 3.97M — $417.55M 0.5% n/c 1 SEC ↗ ×5
66 California State Teachers… 3.95M — $415.37M 0.4% n/c 1 SEC ↗
67 HighTower Advisors, LLC 3.82M — $401.90M 0.4% n/c 1 SEC ↗
68 New York State Common Retirement… 3.56M — $374.31M 0.5% n/c 1 SEC ↗
69 LPL Financial LLC 3.56M — $374.30M 0.1% n/c 1 SEC ↗
70 D. E. Shaw & Co. ✦ 3.52M +1.5% $370.35M 0.3% ▲ Add 7 SEC ↗ ×2
71 Russell Investments Group, Ltd. 3.21M — $338.65M 0.4% n/c 1 SEC ↗ ×21
72 Envestnet Asset Management Inc 3.20M — $337.29M 0.1% n/c 1 SEC ↗
73 Royal London Asset Management Ltd 3.20M — $336.53M 0.7% n/c 1 SEC ↗
74 Bank Julius Baer & Co. Ltd, Zurich 3.16M — $333.57M 0.9% n/c 1 SEC ↗
75 Neuberger Berman Group LLC 3.04M — $320.03M 0.2% n/c 1 SEC ↗ ×2
76 Voya Investment Management Llc 2.99M — $314.36M 0.3% n/c 1 SEC ↗ ×2
77 Aviva Plc 2.89M — $303.92M 0.5% n/c 1 SEC ↗
78 Mariner, LLC 2.75M — $289.84M 0.3% n/c 1 SEC ↗ ×4
79 Adage Capital Partners ✦ 2.69M +155.1% $282.92M 0.4% ▲ Add 7 SEC ↗
80 BNP Paribas Asset Management… 2.65M — $279.47M 0.3% n/c 1 SEC ↗ ×3
81 Citigroup Inc 2.64M — $277.48M 0.2% n/c 1 SEC ↗ ×5
82 Robeco Institutional Asset… 2.50M — $262.94M 0.4% n/c 1 SEC ↗
83 Federated Hermes, Inc. 2.49M — $262.31M 0.4% n/c 1 SEC ↗ ×5
84 Bnp Paribas Financial Markets 2.41M — $254.07M 0.2% n/c 1 SEC ↗
85 Universal- Beteiligungs- und… 2.25M — $239.03M 0.4% n/c 1 SEC ↗
86 State Board Of Administration Of… 2.23M — $234.91M 0.4% n/c 1 SEC ↗
87 Td Asset Management Inc 2.23M — $234.82M 0.2% n/c 1 SEC ↗ ×2
88 Balyasny Asset Management L.P. 2.19M — $230.23M 0.4% n/c 1 SEC ↗
89 Prudential Financial Inc 2.12M — $222.75M 0.3% n/c 1 SEC ↗ ×2
90 Capital Research Global Investors 2.11M — $222.32M 0.0% n/c 1 SEC ↗
91 Truist Financial Corp 2.05M — $215.66M 0.3% n/c 1 SEC ↗ ×3
92 National Bank Of Canada /Fi/ 2.01M — $211.28M 0.2% n/c 1 SEC ↗ ×5
93 Korea Investment CORP 2.01M — $211.16M 0.4% n/c 1 SEC ↗
94 Nomura Asset Management… 1.96M — $206.71M 0.3% n/c 1 SEC ↗ ×2
95 Bank Of Nova Scotia 1.96M — $205.91M 0.3% n/c 1 SEC ↗ ×3
96 Janus Henderson Group Plc 1.89M — $198.46M 0.1% n/c 1 SEC ↗ ×2
97 Mirae Asset Global Investments Co.… 1.88M — $198.05M 0.6% n/c 1 SEC ↗ ×3
98 Danske Bank A/S 1.87M — $196.36M 0.5% n/c 1 SEC ↗ ×3
99 Wealth Enhancement Advisory… 1.80M — $196.04M 0.3% n/c 1 SEC ↗
100 Manufacturers Life Insurance… 1.85M — $195.04M 0.2% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Norges Bank $4.00B 0.4%

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 3,742 holders, 1.88B shares, $215.80B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 13 Guindo Chirfi

Officer · 10.00K sh · $1.35M

Aug 12 Zachary Jennifer

Officer · 80.31K sh · $10.72M

Aug 12 DeLuca Richard R.

Officer · 11.10K sh · $1.46M

Aug 12 DeLuca Richard R.

Officer · 600 sh · $79,222

Aug 11 DeLuca Richard R.

Officer · 5.43K sh · $718,261

Aug 11 DeLuca Richard R.

Officer · 7.41K sh · $973,165

Aug 10 DeLuca Richard R.

Officer · 20.78K sh · $2.71M

Aug 06 DeLuca Richard R.

Officer · 805 sh · $105,472

Aug 06 DeLuca Richard R.

Officer · 4.95K sh · $643,993

Aug 06 DeLuca Richard R.

Officer · 300 sh · $39,307

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2025 · Methodology · Get this via the API