Marsh & McLennan Companies, Inc.
MRSH- Exchange
- NYSE
- Industry
- Insurance Agents, Brokers & Service
- SEC CIK
- 0000062709
In the last 90 days, Marsh & McLennan Companies, Inc. insiders filed 0 open-market purchases and 6 sales; 1,506 institutions reported holding it in 13F filings for Q2 2026, worth $73.1B in total; superinvestors Harris Associates (Oakmark) and Markel Group hold it.
13F holders, Q3 2025
Institutional positions in Marsh & McLennan Companies, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,576
- −6 vs. Q2 2025
- Shares held
- 432.7M
- −8.65M (−2.0%) vs. Q2 2025
- Total value
- $87.2B
- −$8.72B (−9.1%) vs. Q2 2025
- New holders
- 147
- 561 more added
- Sold out
- 153
- 607 more reduced
28 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRSH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,506 | $73.1B |
| Q1 2026 | 1,548 | $76.1B |
| Q4 2025 | 1,594 | $80.9B |
| Q3 2025 | 1,576 | $87.2B |
| Q2 2025 | 1,610 | $97.3B |
| Q1 2025 | 1,627 | $108.0B |
| Q4 2024 | 1,578 | $94.2B |
| Q3 2024 | 1,531 | $97.1B |
| Q2 2024 | 1,476 | $92.3B |
| Q1 2024 | 1,444 | $89.9B |
| Q4 2023 | 1,376 | $82.4B |
| Q3 2023 | 1,294 | $82.0B |
| Q2 2023 | 1,258 | $81.5B |
| Q1 2023 | 1,228 | $72.1B |
| Q4 2022 | 1,223 | $72.3B |
| Q3 2022 | 1,159 | $65.5B |
| Q2 2022 | 1,150 | $68.6B |
| Q1 2022 | 1,151 | $75.2B |
| Q4 2021 | 1,170 | $77.6B |
| Q3 2021 | 1,078 | $68.0B |
| Q2 2021 | 1,007 | $63.6B |
| Q1 2021 | 979 | $54.7B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bradley Foster & Sargent Inc | 539,325 | $108.7M | 1.60% | +2,291+0.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 500,813 | $100.9M | 0.17% | −6,097−1.2% | Reduced |
| Citigroup Inc | 496,880 | $100.1M | 0.07% | +9,088+1.9% | Added |
| Bank of Nova Scotia | 486,511 | $98.0M | 0.17% | +317,877+188.5% | Added |
| Johnson Investment Counsel Inc | 456,734 | $92.0M | 0.77% | +4,307+1.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 452,482 | $91.2M | 0.21% | −67,864−13.0% | Reduced |
| State Board of Administration of Florida Retirement System | 446,458 | $90.0M | 0.16% | −30,057−6.3% | Reduced |
| Birch Hill Investment Advisors LLC | 439,022 | $88.5M | 3.74% | +12,399+2.9% | Added |
| Impax Asset Management Group plc | 430,210 | $86.7M | 0.51% | −52,198−10.8% | Reduced |
| Mariner, LLC | 425,494 | $85.7M | 0.11% | −32,068−7.0% | Reduced |
| Standard Life Aberdeen plc | 410,219 | $82.4M | 0.13% | −1540.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 405,462 | $81.7M | 0.15% | −141,193−25.8% | Reduced |
| Quilter Plc | 405,379 | $81.7M | 1.40% | +29,166+7.8% | Added |
| Credit Agricole S A | 399,553 | $80.5M | 0.27% | +399,553 | New |
| Canada Pension Plan Investment Board | 393,830 | $79.4M | 0.06% | +367,101+1,373.4% | Added |
| Citadel Advisors LLC | 391,529 | $78.9M | 0.06% | +250,706+178.0% | Added |
| LPL Financial LLC | 387,955 | $78.2M | 0.02% | +50,702+15.0% | Added |
| Squarepoint Ops LLC | 385,231 | $77.6M | 0.17% | −64,621−14.4% | Reduced |
| Sterling Capital Management LLC | 375,433 | $75.7M | 1.11% | −31,126−7.7% | Reduced |
| CI Private Wealth, LLC | 370,459 | $74.7M | 0.12% | −32,666−8.1% | Reduced |
| Cryder Capital Partners LLP | 360,629 | $72.7M | 4.01% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 349,901 | $70.5M | 0.15% | −17,842−4.9% | Reduced |
| Natixis | 346,335 | $69.8M | 0.37% | +285,127+465.8% | Added |
| Bristol Gate Capital Partners Inc. | 346,194 | $69.8M | 4.12% | −11,475−3.2% | Reduced |
| Worldquant Millennium Advisors LLC | 342,388 | $69.0M | 0.30% | −411,270−54.6% | Reduced |
| New York State Teachers Retirement System | 341,749 | $68.9M | 0.13% | −1540.0% | Reduced |
| APG Asset Management N.V. | 399,436 | $68.5M | 0.19% | −2,200−0.5% | Reduced |
| Truist Financial Corp | 338,416 | $68.2M | 0.09% | −22,730−6.3% | Reduced |
| HighTower Advisors, LLC | 336,849 | $67.9M | 0.08% | +8,079+2.5% | Added |
| Silvercrest Asset Management Group LLC | 328,895 | $66.3M | 0.44% | −12,593−3.7% | Reduced |
| Korea Investment CORP | 327,006 | $65.9M | 0.14% | −8,516−2.5% | Reduced |
| Public Employees Retirement System of Ohio | 325,110 | $65.5M | 0.21% | −7,849−2.4% | Reduced |
| Russell Investments Group, Ltd. | 324,238 | $65.3M | 0.07% | −13,357−4.0% | Reduced |
| Baird Financial Group, Inc. | 323,069 | $65.1M | 0.10% | −903−0.3% | Reduced |
| Madison Asset Management, LLC | 319,737 | $64.4M | 0.71% | +7,358+2.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 313,321 | $62.9M | 0.16% | −301,340−49.0% | Reduced |
| Schroder Investment Management Group | 311,523 | $62.4M | 0.05% | −33,718−9.8% | Reduced |
| Cerity Partners LLC | 305,782 | $61.6M | 0.10% | −12,112−3.8% | Reduced |
| Banque Pictet & Cie SA | 301,059 | $60.7M | 0.61% | +73,091+32.1% | Added |
| Raiffeisen Bank International AG | 301,514 | $60.4M | 0.80% | −1120.0% | Reduced |
| Crawford Investment Counsel Inc | 294,316 | $59.3M | 0.98% | +7,449+2.6% | Added |
| Jane Street Group, LLC | 292,857 | $59.0M | 0.07% | +85,632+41.3% | Added |
| SEI Investments Co | 288,181 | $58.1M | 0.06% | +18,726+6.9% | Added |
| Nomura Asset Management Co Ltd | 285,476 | $57.5M | 0.15% | −6,405−2.2% | Reduced |
| Pictet & Cie (Europe) SA | 278,615 | $56.1M | 1.12% | +58,414+26.5% | Added |
| Cincinnati Financial Corp | 278,334 | $56.1M | 1.11% | +278,334 | New |
| Cincinnati Insurance Co | 275,766 | $55.6M | 0.86% | +275,766 | New |
| AMF Pensionsforsakring AB | 273,821 | $55.2M | 0.35% | −12,698−4.4% | Reduced |
| State of Wisconsin Investment Board | 268,351 | $54.1M | 0.12% | −4,311−1.6% | Reduced |
| Calamos Advisors LLC | 267,756 | $54.0M | 0.22% | −8,666−3.1% | Reduced |
| Danske Bank A/S | 258,814 | $52.2M | 0.13% | −116,070−31.0% | Reduced |
| National Bank of Canada | 258,537 | $52.1M | 0.06% | −34,592−11.8% | Reduced |
| Toronto Dominion Bank | 255,362 | $51.5M | 0.10% | −5,809−2.2% | Reduced |
| Vaughan David Investments LLC | 253,963 | $51.2M | 1.10% | +5,202+2.1% | Added |
| Allianz Asset Management GmbH | 252,868 | $51.0M | 0.06% | −4,429−1.7% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 251,599 | $50.7M | 0.14% | −9,555−3.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 244,686 | $49.3M | 0.08% | +66,783+37.5% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 242,889 | $48.9M | 0.12% | +17,851+7.9% | Added |
| Asset Management One Co.,Ltd. | 230,471 | $46.4M | 0.13% | +7,234+3.2% | Added |
| Ycg, LLC | 228,014 | $46.0M | 3.45% | +12,437+5.8% | Added |
| Royal London Asset Management Ltd | 222,299 | $44.8M | 0.10% | −5,102−2.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 222,031 | $44.7M | 0.39% | +3,900+1.8% | Added |
| Treasurer of the State of North Carolina | 221,909 | $44.7M | 0.14% | −8,638−3.7% | Reduced |
| Voya Investment Management LLC | 214,568 | $43.2M | 0.04% | −74,363−25.7% | Reduced |
| London & Capital Asset Management Ltd | 213,194 | $43.0M | 3.07% | +65,125+44.0% | Added |
| KLP Kapitalforvaltning AS | 208,674 | $42.1M | 0.17% | +1,100+0.5% | Added |
| Thrivent Financial for Lutherans | 205,622 | $41.4M | 0.08% | +14,434+7.5% | Added |
| Zacks Investment Management | 205,584 | $41.4M | 0.33% | +10,628+5.5% | Added |
| Gillespie Robinson & Grimm Inc | 205,459 | $41.4M | 2.91% | +4,158+2.1% | Added |
| Pathstone Holdings, LLC | 204,088 | $41.1M | 0.16% | −2,404−1.2% | Reduced |
| Victory Capital Management Inc | 195,491 | $39.4M | 0.02% | −5,391−2.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 191,398 | $39.0M | 0.06% | +50,369+35.7% | Added |
| Handelsbanken Fonder AB | 188,939 | $38.1M | 0.12% | +9,509+5.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 188,761 | $38.0M | 0.34% | +5,543+3.0% | Added |
| Abn Amro Investment Solutions | 187,127 | $37.7M | 0.77% | −5,353−2.8% | Reduced |
| Mn Services Vermogensbeheer B.V. | 186,388 | $37.6M | 0.24% | +2,200+1.2% | Added |
| Millennium Management LLC | 184,135 | $37.1M | 0.03% | −509,556−73.5% | Reduced |
| Capital Group Private Client Services, Inc. | 183,444 | $37.0M | 0.62% | −565,340−75.5% | Reduced |
| Tudor Investment Corp Et Al | 182,841 | $36.8M | 0.24% | +86,232+89.3% | Added |
| Ilmarinen Mutual Pension Insurance Co | 181,600 | $36.6M | 0.27% | +1,100+0.6% | Added |
| Janney Montgomery Scott LLC | 177,904 | $35.9M | 0.08% | +28,040+18.7% | Added |
| LGT Capital Partners Ltd. | 177,731 | $35.8M | 1.74% | +14,769+9.1% | Added |
| Boston Trust Walden Corp | 177,555 | $35.8M | 0.26% | −15,513−8.0% | Reduced |
| Temasek Holdings (Private) Ltd | 175,306 | $35.3M | 0.12% | +31,950+22.3% | Added |
| Whittier Trust Co | 174,402 | $35.1M | 0.40% | +4,242+2.5% | Added |
| Compagnie Lombard Odier SCmA | 173,112 | $34.9M | 0.38% | −35,455−17.0% | Reduced |
| State of New Jersey Common Pension Fund D | 172,637 | $34.8M | 0.13% | +7,809+4.7% | Added |
| STRS Ohio | 172,345 | $34.7M | 0.13% | +4,905+2.9% | Added |
| Resona Asset Management Co.,Ltd. | 168,592 | $33.9M | 0.16% | −10,657−5.9% | Reduced |
| Flputnam Investment Management Co | 167,968 | $33.9M | 0.51% | −47,852−22.2% | Reduced |
| Capital Investment Advisors, LLC | 167,263 | $33.7M | 0.56% | +42,521+34.1% | Added |
| Adage Capital Partners GP, L.L.C. | 165,061 | $33.3M | 0.05% | +60,800+58.3% | Added |
| Fifth Third Bancorp | 164,318 | $33.1M | 0.11% | −28,112−14.6% | Reduced |
| Rafferty Asset Management, LLC | 163,615 | $33.0M | 0.11% | −211−0.1% | Reduced |
| Aquatic Capital Management LLC | 162,725 | $32.8M | 0.61% | +135,882+506.2% | Added |
| Hardman Johnston Global Advisors LLC | 159,985 | $32.2M | 1.58% | −39,842−19.9% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 157,370 | $31.7M | 0.16% | +3,829+2.5% | Added |
| Horizon Kinetics Asset Management LLC | 157,219 | $31.7M | 0.39% | +432+0.3% | Added |
| Nisa Investment Advisors, LLC | 152,759 | $30.8M | 0.12% | −3,459−2.2% | Reduced |
| US Bancorp | 148,374 | $29.9M | 0.04% | −2,652−1.8% | Reduced |