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Security record · archived quarter

MRSH

Marsh & McLennan Companies, Inc. · Financial Services · Insurance - Brokers

175.76 -0.5% mkt cap $83.87B 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
174Tracked holders
-8Δ holders
365.16MShares held
$63.36BReported value
+3New positions
−12Exits
Stable Conviction score 37/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -4.4% · share flow +4.0% · net new positions -5.2% — formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 178 +6 364.63M $60.79B +10 −3
Q1 2026 174 -8 365.16M $63.36B +3 −12
Q4 2025 181 +1 374.35M $69.43B +3 −1
Q3 2025 26 0 209.96M $42.30B +1 −2
Q2 2025 24 +1 195.92M $42.82B +1 —
Q1 2025 20 -1 85.56M $20.87B — −1
Q4 2024 21 0 82.21M $17.46B +2 −2
Q3 2024 20 0 60.40M $13.47B +2 −2
Q2 2024 20 — 60.65M $12.77B — —
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 42.06M +4.0% $7.30B 0.1% ▲ Add 4 SEC ↗ ×21
2 Vanguard Capital Management Llc 31.47M — $5.46B 0.1% n/c 1 SEC ↗
3 State Street Global Advisors ✦ (passive) 22.07M +0.9% $3.83B 0.1% ▲ Add 6 SEC ↗
4 Capital World Investors ✦ 17.97M +6.2% $3.12B 0.4% ▲ Add 8 SEC ↗
5 Wellington Management ✦ 17.37M +8.6% $3.01B 0.6% ▲ Add 8 SEC ↗ ×9
6 Capital International Investors 15.71M -16.3% $2.73B 0.6% ▼ Trim 2 SEC ↗
7 Geode Capital Management ✦ (passive) 13.40M +15.1% $2.32B 0.1% ▲ Add 8 SEC ↗ ×2
8 Capital Research Global Investors 11.30M +41.5% $1.96B 0.3% ▲ Add 2 SEC ↗
9 T. Rowe Price ✦ 10.98M +19.1% $1.90B 0.2% ▲ Add 8 SEC ↗ ×2
10 Fidelity (FMR) ✦ 10.18M -33.1% $1.77B 0.1% ▼ Trim 4 SEC ↗ ×6
11 Massachusetts Financial Services Co… 8.20M -5.3% $1.42B 0.5% ▼ Trim 2 SEC ↗ ×7
12 Morgan Stanley ✦ 6.47M -5.8% $1.12B 0.1% ▼ Trim 3 SEC ↗ ×20
13 Clearbridge Investments, LLC 6.42M +26.5% $1.11B 1.0% ▲ Add 2 SEC ↗ ×2
14 JPMorgan Chase ✦ 6.09M +42.4% $1.06B 0.1% ▲ Add 3 SEC ↗ ×20
15 Ameriprise Financial Inc 5.49M +14.6% $951.61M 0.2% ▲ Add 2 SEC ↗ ×7
16 UBS AM, a distinct business unit of… 5.18M +14.0% $898.91M 0.2% ▲ Add 2 SEC ↗ ×13
17 Harris Associates (Oakmark) ✦ 5.17M New $896.58M 1.2% New 1 SEC ↗ ×2
18 Northern Trust Corp 4.97M -6.3% $861.19M 0.1% ▼ Trim 2 SEC ↗ ×11
19 Bank Of America Corp /De/ 4.94M -10.6% $856.78M 0.1% ▼ Trim 2 SEC ↗ ×8
20 Artisan Partners Limited Partnership 4.88M +45.2% $845.72M 1.4% ▲ Add 2 SEC ↗
21 UBS Group AG 4.72M +24.6% $818.87M 0.1% ▲ Add 2 SEC ↗ ×9
22 American Century Companies Inc 4.23M +81.7% $734.44M 0.4% ▲ Add 2 SEC ↗
23 Nuveen, LLC 4.17M +8.0% $722.85M 0.2% ▲ Add 2 SEC ↗ ×3
24 Ninety One UK Ltd 4.03M +13.8% $698.85M 1.6% ▲ Add 2 SEC ↗
25 Invesco Ltd. 3.88M +12.2% $673.81M 0.1% ▲ Add 2 SEC ↗ ×17
26 Deutsche Bank Ag\ 3.70M +10.0% $642.49M 0.2% ▲ Add 2 SEC ↗ ×12
27 AQR Capital Management ✦ 3.67M +148.6% $637.25M 0.3% ▲ Add 8 SEC ↗ ×12
28 Goldman Sachs Group ✦ 3.67M -8.5% $637.07M 0.1% ▼ Trim 3 SEC ↗ ×5
29 Arrowstreet Capital ✦ 3.45M +25.3% $599.20M 0.3% ▲ Add 6 SEC ↗
30 Royal Bank Of Canada 3.32M +4.7% $575.26M 0.1% ▲ Add 2 SEC ↗ ×12
31 Bank of New York Mellon Corp 3.25M -2.0% $564.41M 0.1% ▼ Trim 2 SEC ↗ ×20
32 Legal & General Group Plc 3.07M -2.5% $531.83M 0.1% ▼ Trim 2 SEC ↗ ×3
33 Charles Schwab Investment… 3.03M +2.8% $526.10M 0.1% ▲ Add 2 SEC ↗
34 Wells Fargo & Company/Mn 2.58M +5.5% $447.33M 0.1% ▲ Add 2 SEC ↗ ×5
35 Bnp Paribas Financial Markets 2.57M +78.2% $445.17M 0.3% ▲ Add 2 SEC ↗
36 Stifel Financial Corp 2.31M +6.9% $400.21M 0.4% ▲ Add 2 SEC ↗ ×8
37 Amundi 2.30M -31.7% $398.73M 0.1% ▼ Trim 2 SEC ↗ ×5
38 Parnassus Investments, Llc 2.21M +1.7% $383.40M 1.1% ▲ Add 2 SEC ↗
39 Alliancebernstein L.P. 1.98M +7.7% $367.57M 0.1% ▲ Add 2 SEC ↗
40 Dimensional Fund Advisors Lp 2.03M +0.2% $352.82M 0.1% ▲ Add 2 SEC ↗ ×5
41 D. E. Shaw & Co. ✦ 1.73M -33.4% $299.99M 0.3% ▼ Trim 8 SEC ↗ ×2
42 Lazard Asset Management Llc 1.62M -5.0% $281.64M 0.5% ▼ Trim 2 SEC ↗ ×2
43 Manufacturers Life Insurance… 1.57M +3.1% $272.83M 0.2% ▲ Add 2 SEC ↗
44 Franklin Resources Inc 1.54M -1.1% $266.76M 0.1% ▼ Trim 2 SEC ↗ ×10
45 Swiss National Bank 1.44M +6.6% $249.39M 0.1% ▲ Add 2 SEC ↗
46 Barclays Plc 1.38M -6.0% $238.56M 0.1% ▼ Trim 2 SEC ↗ ×4
47 First Trust Advisors Lp 1.33M +4.9% $231.10M 0.2% ▲ Add 2 SEC ↗ ×2
48 Raymond James Financial Inc 1.23M +20.8% $213.01M 0.1% ▲ Add 2 SEC ↗ ×4
49 Envestnet Asset Management Inc 1.13M +0.1% $196.60M 0.1% ▲ Add 2 SEC ↗
50 Mitsubishi UFJ Asset Management… 1.12M +6.0% $194.53M 0.1% ▲ Add 2 SEC ↗
51 California Public Employees… 1.11M -12.6% $191.81M 0.1% ▼ Trim 2 SEC ↗
52 Swedbank AB 1.11M -0.1% $191.71M 0.2% ▼ Trim 2 SEC ↗
53 Sumitomo Mitsui Trust Group, Inc. 1.09M -6.0% $189.79M 0.1% ▼ Trim 2 SEC ↗
54 Hsbc Holdings Plc 985.68K -56.8% $171.36M 0.1% ▼ Trim 2 SEC ↗ ×9
55 Storebrand Asset Management As 942.47K -1.3% $163.47M 0.5% ▼ Trim 2 SEC ↗
56 Td Asset Management Inc 939.37K -1.1% $162.93M 0.1% ▼ Trim 2 SEC ↗ ×2
57 Rhumbline Advisers 902.11K +64061.7% $156.47M 0.1% ▲ Add 2 SEC ↗
58 FIL Ltd 867.54K -31.2% $150.47M 0.1% ▼ Trim 2 SEC ↗ ×2
59 Canada Pension Plan Investment Board 809.64K +159.0% $140.43M 0.1% ▲ Add 2 SEC ↗
60 Markel Group ✦ 763.50K +0.2% $132.43M 1.1% ▲ Add 8 SEC ↗ ×2
61 California State Teachers… 729.80K -3.0% $126.58M 0.1% ▼ Trim 2 SEC ↗
62 PRIMECAP Management ✦ 717.50K +38.5% $124.45M 0.1% ▲ Add 8 SEC ↗
63 Mackenzie Financial Corp 713.78K +5.0% $123.81M 0.1% ▲ Add 2 SEC ↗
64 Caisse De Depot Et Placement Du… 710.71K +11.6% $123.27M 0.2% ▲ Add 2 SEC ↗
65 Jones Financial Companies Lllp 723.79K +6793.2% $122.45M 0.1% ▲ Add 2 SEC ↗ ×2
66 Two Sigma Investments ✦ 676.62K -45.9% $117.36M 0.1% ▼ Trim 8 SEC ↗
67 Pnc Financial Services Group, Inc. 643.36K -0.8% $111.59M 0.1% ▼ Trim 2 SEC ↗ ×10
68 Assetmark, Inc 628.69K -2.6% $109.05M 0.2% ▼ Trim 2 SEC ↗
69 Principal Financial Group Inc 610.45K +0.9% $105.88M 0.1% ▲ Add 2 SEC ↗ ×2
70 Robeco Institutional Asset… 605.30K +102.3% $104.99M 0.1% ▲ Add 2 SEC ↗
71 Marshall Wace ✦ 605.05K +490.7% $104.95M 0.1% ▲ Add 2 SEC ↗ ×3
72 Prudential Financial Inc 601.89K +37.4% $104.40M 0.1% ▲ Add 2 SEC ↗ ×2
73 Mariner, LLC 576.07K +33.2% $99.92M 0.1% ▲ Add 2 SEC ↗ ×3
74 Universal- Beteiligungs- und… 555.67K +3.1% $97.00M 0.2% ▲ Add 2 SEC ↗
75 New York State Common Retirement… 549.82K -3.8% $95.37M 0.1% ▼ Trim 2 SEC ↗
76 Citigroup Inc 523.62K +10.7% $90.82M 0.1% ▲ Add 2 SEC ↗ ×3
77 Bank Of Montreal /Can/ 515.36K -6.0% $89.39M 0.0% ▼ Trim 2 SEC ↗ ×9
78 Russell Investments Group, Ltd. 450.04K +8.3% $78.21M 0.1% ▲ Add 2 SEC ↗ ×17
79 Nomura Asset Management… 443.82K +10.0% $76.98M 0.1% ▲ Add 2 SEC ↗ ×2
80 State Board Of Administration Of… 434.87K -0.2% $75.43M 0.1% ▼ Trim 2 SEC ↗
81 Pictet Asset Management Holding SA 430.32K +2.7% $74.64M 0.1% ▲ Add 2 SEC ↗
82 LPL Financial LLC 420.82K +3.8% $72.99M 0.0% ▲ Add 2 SEC ↗
83 Aberdeen Group plc 412.14K +2.2% $71.48M 0.1% ▲ Add 2 SEC ↗ ×2
84 Aviva Plc 393.70K -4.5% $68.29M 0.1% ▼ Trim 2 SEC ↗
85 Bank Of Nova Scotia 392.85K +39.0% $68.14M 0.1% ▲ Add 2 SEC ↗
86 PFA Pension, Forsikringsaktieselskab 387.86K -0.1% $67.27M 0.2% ▼ Trim 2 SEC ↗
87 BNP Paribas Asset Management… 375.48K -20.3% $65.18M 0.1% ▼ Trim 2 SEC ↗ ×3
88 Mitsubishi UFJ Trust & Banking Corp 366.27K +4.1% $63.53M 0.2% ▲ Add 2 SEC ↗ ×2
89 Renaissance Technologies ✦ 365.50K -8.1% $63.40M 0.1% ▼ Trim 8 SEC ↗
90 Korea Investment CORP 363.17K +28.3% $62.99M 0.1% ▲ Add 2 SEC ↗
91 Adage Capital Partners ✦ 353.66K New $61.34M 0.1% New 1 SEC ↗
92 Sei Investments Co 334.01K +22.0% $57.93M 0.1% ▲ Add 2 SEC ↗ ×3
93 Man Group plc 319.01K +352.0% $55.33M 0.1% ▲ Add 2 SEC ↗ ×2
94 Nomura Asset Management Co Ltd 308.98K +1.0% $53.59M 0.1% ▲ Add 2 SEC ↗ ×2
95 Baird Financial Group, Inc. 307.66K -1.7% $53.36M 0.1% ▼ Trim 2 SEC ↗ ×2
96 Danske Bank A/S 277.80K +0.5% $48.18M 0.1% ▲ Add 2 SEC ↗ ×3
97 Truist Financial Corp 269.56K -5.8% $46.76M 0.1% ▼ Trim 2 SEC ↗ ×3
98 State Of Wisconsin Investment Board 262.46K +2.9% $45.52M 0.1% ▲ Add 2 SEC ↗
99 HighTower Advisors, LLC 258.24K -24.9% $44.79M 0.0% ▼ Trim 2 SEC ↗
100 Healthcare Of Ontario Pension Plan… 248.41K -55.0% $43.09M 0.1% ▼ Trim 2 SEC ↗

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

New buyers

Exited

Norges Bank $1.56B was 0.2%
National Pension Service $211.64M was 0.2%
Qube Research & Technologies… $135.89M was 0.2%
Jane Street Group, Llc $70.14M was 0.1%
Hrt Financial Lp $42.92M was 0.1%
Tudor Investment Corp Et Al $40.83M was 0.2%
Point72 Asset Management $34.30M was 0.1%
Peak6 Llc $6.50M was 0.1%
Bridgewater Associates $4.78M was 0.0%
Capstone Investment Advisors… $1.33M was 0.0%
Walleye Trading LLC $973,794 was 0.0%
Parallax Volatility Advisers… $267,891 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,521 holders, 432.43M shares, $71.20B 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)

Sep 02 Brennan Katherine

Officer · 1.20K sh · $224,915

Sep 02 Doyle John Q

Officer · 16.66K sh · $3.14M

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: Q1 2026 · Methodology · Get this via the API