Companies / Marsh & McLennan Companies, Inc. / Activity
Activity — Marsh & McLennan Companies, Inc.
419 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-1.56B | -8.4M -100.00% | 0 | high |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $495.16M | +2.7M +46.68% | 8,386,530 1.76% of shares | high |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $380.89M | +2.2M +148.58% | 3,673,987 0.77% of shares | high |
| Q2 2026 as of | Mawer Investment Management Ltd. 13F manager | Trim | Common stock | $-339.09M | -2.0M -52.09% | 1,871,159 0.39% of shares | high |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $304.94M | +1.8M +15.12% | 13,404,172 2.81% of shares | high |
| Q1 2026 as of | Clearbridge Investments, LLC 13F manager | Add | Common stock | $233.60M | +1.3M +26.53% | 6,423,531 1.35% of shares | high |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Add | Common stock | $195.30M | +1.1M +78.16% | 2,566,547 0.54% of shares | high |
| Q1 2026 as of | Amundi 13F manager | Trim | Common stock | $-184.86M | -1.1M -31.68% | 2,298,833 0.48% of shares | high |
| Q1 2026 as of | Findlay Park Partners LLP 13F manager | Exit | Common stock | $-164.46M | -886K -100.00% | 0 | high |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-163.82M | -883K -13.79% | 5,522,563 1.16% of shares | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-157.15M | -943K -2.33% | 39,502,046 8.28% of shares | high |
| Q1 2026 as of | Rhumbline Advisers 13F manager | Add | Common stock | $156.23M | +901K +64061.74% | 902,114 0.19% of shares | high |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common stock | $-150.29M | -866K -33.38% | 1,729,550 0.36% of shares | high |
| Q1 2024 as of | Barclays PLC 13F manager | Add | Common stock | $147.96M | +718K +43.32% | 2,376,331 0.50% of shares | high |
| Q4 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-137.30M | -740K -33.60% | 1,462,301 0.31% of shares | high |
| Q2 2023 as of | Barclays PLC 13F manager | Add | Common stock | $135.82M | +722K +86.08% | 1,561,112 0.33% of shares | high |
| Q3 2025 as of | Barclays PLC 13F manager | Add | Common stock | $130.59M | +648K +41.69% | 2,202,372 0.46% of shares | high |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $124.25M | +745K +22.13% | 4,113,644 0.86% of shares | high |
| Q2 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-123.34M | -564K -26.63% | 1,554,385 0.33% of shares | high |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Add | Common stock | $120.99M | +698K +25.30% | 3,454,586 0.72% of shares | high |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-111.81M | -645K -88.96% | 80,034 0.02% of shares | high |
| Q1 2026 as of | Jupiter Asset Management Ltd 13F manager | New | Common stock | $107.45M | +622K | 622,465 0.13% of shares | high |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Trim | Common stock | $-99.44M | -573K -45.87% | 676,619 0.14% of shares | high |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-93.75M | -384K -15.35% | 2,118,514 0.44% of shares | high |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $88.29M | +530K +2.42% | 22,401,676 4.69% of shares | high |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $87.18M | +503K +490.67% | 605,053 0.13% of shares | high |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Add | Common stock | $86.22M | +497K +159.04% | 809,639 0.17% of shares | high |
| Q1 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-77.29M | -464K -35.61% | 838,962 0.18% of shares | high |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | New | Common stock | $61.34M | +354K | 353,661 0.07% of shares | high |
| Q1 2026 as of | Nordea Investment Management AB 13F manager | Trim | Common stock | $-59.62M | -343K -67.61% | 164,453 0.03% of shares | high |
| Q4 2024 as of | Barclays PLC 13F manager | Add | Common stock | $56.29M | +265K +11.84% | 2,502,691 0.52% of shares | high |
| Q1 2026 as of | Eminence Capital, LP 13F manager | New | Common stock | $55.57M | +320K | 320,386 0.07% of shares | high |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Trim | Common stock | $-39.13M | -226K -58.91% | 157,363 0.03% of shares | medium |
| Q1 2026 as of | Polar Asset Management Partners Inc. 13F manager | Exit | Common stock | $-37.10M | -200K -100.00% | 0 | medium |
| Q1 2026 as of | Zurcher Kantonalbank (Zurich Cantonalbank) 13F manager | Trim | Common stock | $-36.84M | -212K -47.08% | 238,723 0.05% of shares | medium |
| Q1 2026 as of | Capital Fund Management S.A. 13F manager | Add | Common stock | $33.15M | +191K +144.92% | 323,016 0.07% of shares | medium |
| Q1 2026 as of | Prudential Financial Inc 13F manager | Add | Common stock | $28.43M | +164K +37.43% | 601,893 0.13% of shares | medium |
| Q2 2026 as of | Jensen Investment Management Inc 13F manager | Trim | Common stock | $-27.72M | -166K -14.45% | 984,904 0.21% of shares | medium |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-27.06M | -128K -5.40% | 2,247,910 0.47% of shares | medium |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $26.70M | +141K +9.29% | 1,658,015 0.35% of shares | medium |
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | Add | Common stock | $26.35M | +142K +7.72% | 1,981,282 0.42% of shares | medium |
| Q4 2025 as of | Banco Santander, S.A. 13F manager | New | Common stock | $25.91M | +140K | 139,648 0.03% of shares | medium |
| Q1 2026 as of | Royal Bank of Canada 13F manager | Add | Common stock | $25.79M | +149K +4.69% | 3,316,579 0.69% of shares | medium |
| Q1 2026 as of | Mariner, LLC 13F manager | Add | Common stock | $24.88M | +143K +33.16% | 576,070 0.12% of shares | medium |
| Q1 2026 as of | Schroder Investment Management Group 13F manager | Trim | Common stock | $-24.80M | -142K -50.27% | 140,426 0.03% of shares | medium |
| Q2 2026 as of | Forsta Ap-Fonden 13F manager | Exit | Common stock | $-24.43M | -132K -100.00% | 0 | medium |
| Q2 2026 as of | Mitsubishi UFJ Asset Management Co., Ltd. 13F manager | Add | Common stock | $23.52M | +141K +13.32% | 1,199,699 0.25% of shares | medium |
| Q1 2026 as of | ALPS Advisors, Inc. 13F manager | New | Common stock | $19.22M | +111K | 110,795 0.02% of shares | medium |
| Q1 2026 as of | First Pacific Advisors, LP 13F manager | New | Common stock | $18.85M | +109K | 108,697 0.02% of shares | medium |
| Q1 2026 as of | Credit Agricole S a 13F manager | Add | Common stock | $16.46M | +95K +86.99% | 203,962 0.04% of shares | medium |