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, Q1 2026
Institutional positions in Marsh & McLennan Companies, Inc. as of Mar 31, 2026. 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
- 1,548
- −24 vs. Q4 2025
- Shares held
- 438.9M
- +59.3M (+15.6%) vs. Q4 2025
- Total value
- $76.1B
- +$5.70B (+8.1%) vs. Q4 2025
- New holders
- 142
- 614 more added
- Sold out
- 166
- 579 more reduced
22 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vaughan David Investments LLC | 261,376 | $45.3M | 0.96% | +8,503+3.4% | Added |
| Ako Capital LLP | 261,527 | $45.4M | 0.89% | −1,223,333−82.4% | Reduced |
| State of Wisconsin Investment Board | 262,462 | $45.5M | 0.10% | +7,436+2.9% | Added |
| Banque Pictet & Cie SA | 267,676 | $46.4M | 0.54% | −14,217−5.0% | Reduced |
| Truist Financial Corp | 269,560 | $46.8M | 0.06% | −16,700−5.8% | Reduced |
| Cincinnati Insurance Co | 275,766 | $47.8M | 0.72% | 00.0% | Unchanged |
| Danske Bank A/S | 277,796 | $48.2M | 0.12% | +1,312+0.5% | Added |
| Cincinnati Financial Corp | 278,334 | $48.3M | 0.97% | 00.0% | Unchanged |
| Crawford Investment Counsel Inc | 297,669 | $51.6M | 0.88% | −90.0% | Reduced |
| APG Asset Management N.V. | 353,772 | $53.3M | 0.17% | −13,719−3.7% | Reduced |
| Baird Financial Group, Inc. | 307,661 | $53.4M | 0.08% | −5,232−1.7% | Reduced |
| Nomura Asset Management Co Ltd | 308,977 | $53.6M | 0.14% | +3,003+1.0% | Added |
| Ninety One North America, Inc. | 310,998 | $53.9M | 2.42% | +43,754+16.4% | Added |
| Man Group plc | 319,008 | $55.3M | 0.11% | +248,434+352.0% | Added |
| Eminence Capital, LP | 320,386 | $55.6M | 1.27% | +320,386 | New |
| Capital Fund Management S.A. | 323,016 | $56.0M | 0.50% | +191,128+144.9% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 331,981 | $57.6M | 0.31% | +118,750+55.7% | Added |
| SEI Investments Co | 334,007 | $57.9M | 0.05% | +60,221+22.0% | Added |
| Impax Asset Management Group plc | 337,944 | $58.6M | 0.41% | −89,680−21.0% | Reduced |
| New York State Teachers Retirement System | 341,676 | $59.3M | 0.12% | 00.0% | Unchanged |
| L1 Capital International Pty Ltd | 352,836 | $61.2M | 3.65% | −4,633−1.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 353,661 | $61.3M | 0.09% | +353,661 | New |
| Madison Asset Management, LLC | 355,913 | $61.7M | 0.77% | +65,576+22.6% | Added |
| Korea Investment CORP | 363,170 | $63.0M | 0.13% | +80,152+28.3% | Added |
| Renaissance Technologies LLC | 365,500 | $63.4M | 0.10% | −32,100−8.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 366,269 | $63.5M | 0.16% | +14,296+4.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 375,476 | $65.2M | 0.08% | −95,879−20.3% | Reduced |
| Thrivent Financial for Lutherans | 381,811 | $66.2M | 0.13% | +178,508+87.8% | Added |
| Silvercrest Asset Management Group LLC | 386,753 | $67.1M | 0.48% | −10,691−2.7% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 387,863 | $67.3M | 0.20% | −491−0.1% | Reduced |
| Bank of Nova Scotia | 392,851 | $68.1M | 0.12% | +110,231+39.0% | Added |
| Aviva PLC | 393,705 | $68.3M | 0.11% | −18,629−4.5% | Reduced |
| Standard Life Aberdeen plc | 412,136 | $71.5M | 0.12% | +8,871+2.2% | Added |
| Sarasin & Partners LLP | 412,712 | $71.6M | 0.87% | −522,020−55.8% | Reduced |
| LPL Financial LLC | 420,824 | $73.0M | 0.02% | +15,574+3.8% | Added |
| Birch Hill Investment Advisors LLC | 427,559 | $74.2M | 3.33% | −11,032−2.5% | Reduced |
| Pictet Asset Management Holding SA | 430,325 | $74.6M | 0.08% | +11,364+2.7% | Added |
| State Board of Administration of Florida Retirement System | 434,870 | $75.4M | 0.14% | −994−0.2% | Reduced |
| Bahl & Gaynor Inc | 435,210 | $75.5M | 0.38% | −852,191−66.2% | Reduced |
| Nomura Asset Management International Inc. | 443,823 | $77.0M | 0.13% | +40,285+10.0% | Added |
| Scharf Investments, LLC | 449,343 | $77.9M | 2.40% | +91,579+25.6% | Added |
| Russell Investments Group, Ltd. | 450,043 | $78.2M | 0.08% | +34,342+8.3% | Added |
| Munich Reinsurance Co Stock Corp in Munich | 460,618 | $79.9M | 1.96% | +230,120+99.8% | Added |
| Lord, Abbett & Co. LLC | 474,245 | $82.3M | 0.27% | −66,540−12.3% | Reduced |
| Bradley Foster & Sargent Inc | 474,702 | $82.3M | 1.28% | −30,256−6.0% | Reduced |
| Johnson Investment Counsel Inc | 490,552 | $85.1M | 0.69% | +4,402+0.9% | Added |
| Bank of Montreal | 515,363 | $89.4M | 0.04% | −32,730−6.0% | Reduced |
| Citigroup Inc | 523,616 | $90.8M | 0.06% | +50,728+10.7% | Added |
| Quilter Plc | 529,206 | $91.8M | 1.61% | +72,349+15.8% | Added |
| New York State Common Retirement Fund | 549,823 | $95.4M | 0.13% | −21,600−3.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 555,673 | $97.0M | 0.17% | +16,742+3.1% | Added |
| Mariner, LLC | 576,070 | $99.9M | 0.12% | +143,449+33.2% | Added |
| Cryder Capital Partners LLP | 589,456 | $102.2M | 6.68% | +111,712+23.4% | Added |
| Prudential Financial Inc | 601,893 | $104.4M | 0.13% | +163,932+37.4% | Added |
| Marshall Wace, LLP | 605,053 | $104.9M | 0.11% | +502,618+490.7% | Added |
| Robeco Institutional Asset Management B.V. | 605,301 | $105.0M | 0.15% | +306,035+102.3% | Added |
| Principal Financial Group Inc | 610,447 | $105.9M | 0.06% | +5,581+0.9% | Added |
| Jupiter Asset Management Ltd | 622,465 | $107.4M | 0.57% | +622,465 | New |
| Assetmark, Inc | 628,686 | $109.0M | 0.22% | −17,042−2.6% | Reduced |
| Davenport & Co LLC | 634,227 | $110.2M | 0.61% | +121,229+23.6% | Added |
| The PNC Financial Services Group, Inc. | 643,360 | $111.6M | 0.06% | −5,164−0.8% | Reduced |
| Epoch Investment Partners, Inc. | 644,170 | $111.7M | 0.68% | −73,473−10.2% | Reduced |
| SG Americas Securities, LLC | 644,704 | $111.8M | 0.12% | +534,263+483.8% | Added |
| Two Sigma Investments, LP | 676,619 | $117.4M | 0.10% | −573,293−45.9% | Reduced |
| Jones Financial Companies LLLP | 723,789 | $122.4M | 0.06% | +713,289+6,793.2% | Added |
| Caisse de Depot Et Placement du Quebec | 710,709 | $123.3M | 0.20% | +73,612+11.6% | Added |
| Mackenzie Financial Corp | 713,781 | $123.8M | 0.15% | +33,707+5.0% | Added |
| Primecap Management Co | 717,500 | $124.5M | 0.10% | +199,300+38.5% | Added |
| California State Teachers Retirement System | 729,798 | $126.6M | 0.13% | −22,476−3.0% | Reduced |
| Capital International Inc | 741,655 | $128.6M | 0.99% | +58,705+8.6% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 763,500 | $132.4M | 1.11% | +1,750+0.2% | Added |
| Beutel, Goodman & Co Ltd. | 779,770 | $135.3M | 0.92% | +779,770 | New |
| Canada Pension Plan Investment Board | 809,639 | $140.4M | 0.09% | +497,090+159.0% | Added |
| Longview Partners (Guernsey) LTD | 810,308 | $140.5M | 1.99% | −1,206,887−59.8% | Reduced |
| Acadian Asset Management LLC | 844,067 | $146.4M | 0.21% | +96,486+12.9% | Added |
| Natixis Advisors, L.P. | 849,616 | $147.4M | 0.20% | −13,887−1.6% | Reduced |
| FIL Ltd | 867,537 | $150.5M | 0.12% | −392,609−31.2% | Reduced |
| Rhumbline Advisers | 902,114 | $156.5M | 0.13% | +900,708+64,061.7% | Added |
| TD Asset Management Inc | 939,368 | $162.9M | 0.13% | −10,195−1.1% | Reduced |
| Storebrand Asset Management AS | 942,473 | $163.5M | 0.47% | −12,797−1.3% | Reduced |
| Vanguard Asset Management, Ltd | 980,335 | $170.0M | 0.15% | +980,335 | New |
| HSBC Holdings PLC | 985,680 | $171.4M | 0.10% | −153,806−13.5% | Reduced |
| Voloridge Investment Management, LLC | 1,091,938 | $189.4M | 0.76% | −624,828−36.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,094,197 | $189.8M | 0.12% | −69,410−6.0% | Reduced |
| Vanguard Global Advisers, LLC | 1,098,115 | $190.5M | 0.10% | +1,098,115 | New |
| Swedbank AB | 1,105,265 | $191.7M | 0.20% | −597−0.1% | Reduced |
| California Public Employees Retirement System | 1,105,853 | $191.8M | 0.12% | −158,819−12.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,121,710 | $194.5M | 0.13% | +63,063+6.0% | Added |
| Envestnet Asset Management Inc | 1,133,483 | $196.6M | 0.05% | +1,537+0.1% | Added |
| Jensen Investment Management Inc | 1,151,204 | $199.7M | 3.94% | +66,887+6.2% | Added |
| Polar Capital Holdings Plc | 1,220,000 | $211.6M | 0.92% | +255,000+26.4% | Added |
| DekaBank Deutsche Girozentrale | 1,193,291 | $211.8M | 0.35% | 00.0% | Unchanged |
| Raymond James Financial Inc | 1,228,062 | $213.0M | 0.07% | +211,277+20.8% | Added |
| Nippon Life Insurance Co | 1,311,350 | $227.5M | 4.46% | 00.0% | Unchanged |
| First Trust Advisors LP | 1,332,401 | $231.1M | 0.17% | +62,349+4.9% | Added |
| Great West Life Assurance Co | 1,337,344 | $232.9M | 0.42% | +20,413+1.6% | Added |
| Rathbone Brothers plc | 1,356,972 | $235.4M | 0.94% | +24,824+1.9% | Added |
| Barclays PLC | 1,375,355 | $238.6M | 0.09% | −86,946−5.9% | Reduced |
| Swiss National Bank | 1,437,800 | $249.4M | 0.14% | +89,500+6.6% | Added |
| Franklin Resources Inc | 1,537,940 | $266.8M | 0.07% | −16,462−1.1% | Reduced |