MRSH
Marsh & McLennan Companies, Inc. · Financial Services · Insurance - Brokers
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -0.9% · net new positions -3.8% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | 0 | 5.91M | $1.01B | n/a | −3 |
| Q2 2026 | 176 | +6 | 361.49M | $60.27B | +10 | −5 |
| 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 | n/a |
| Q1 2025 | 20 | -1 | 85.56M | $20.87B | n/a | −1 |
| Q4 2024 | 21 | 0 | 82.21M | $17.46B | +2 | −2 |
| Q3 2024 | 20 | 0 | 60.40M | $13.47B | +2 | −2 |
| Q2 2024 | 20 | n/a | 60.65M | $12.77B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 46.20M | +0.1% | $9.31B | 0.1% | ▲ Add | 2 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 38.79M | -3.7% | $7.82B | 0.1% | ▼ Trim | 2 | SEC ↗ ×21 |
| 3 | State Street Global Advisors ✦ (passive) | 21.54M | +0.5% | $4.34B | 0.2% | ▲ Add | 4 | SEC ↗ |
| 4 | Capital World Investors ✦ | 17.70M | +0.5% | $3.57B | 0.5% | ▲ Add | 6 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 16.46M | -17.9% | $3.32B | 0.2% | ▼ Trim | 2 | SEC ↗ ×7 |
| 6 | Wellington Management ✦ | 15.09M | +9.1% | $3.04B | 0.5% | ▲ Add | 6 | SEC ↗ ×8 |
| 7 | Geode Capital Management ✦ (passive) | 12.97M | +2.2% | $2.61B | 0.2% | ▲ Add | 6 | SEC ↗ ×2 |
| 8 | JPMorgan Chase ✦ | 9.75M | n/a | $1.96B | 0.1% | n/c | 1 | SEC ↗ ×38 |
| 9 | T. Rowe Price ✦ | 8.35M | -16.9% | $1.68B | 0.2% | ▼ Trim | 6 | SEC ↗ ×2 |
| 10 | Morgan Stanley ✦ | 7.05M | n/a | $1.42B | 0.1% | n/c | 1 | SEC ↗ ×19 |
| 11 | Goldman Sachs Group ✦ | 5.22M | n/a | $1.05B | 0.2% | n/c | 1 | SEC ↗ ×6 |
| 12 | D. E. Shaw & Co. ✦ | 2.58M | +113.9% | $519.28M | 0.4% | ▲ Add | 6 | SEC ↗ ×2 |
| 13 | PRIMECAP Management ✦ | 1.82M | -7.2% | $366.99M | 0.3% | ▼ Trim | 6 | SEC ↗ |
| 14 | Arrowstreet Capital ✦ | 1.42M | +654.7% | $285.99M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 15 | Renaissance Technologies ✦ | 1.12M | +15.0% | $225.77M | 0.3% | ▲ Add | 6 | SEC ↗ |
| 16 | Two Sigma Investments ✦ | 1.10M | +10.8% | $221.71M | 0.4% | ▲ Add | 6 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 1.03M | +139.9% | $206.84M | 0.1% | ▲ Add | 6 | SEC ↗ ×6 |
| 18 | Markel Group ✦ | 755.00K | +0.8% | $152.16M | 1.2% | ▲ Add | 6 | SEC ↗ ×2 |
| 19 | Citadel Advisors ✦ | 391.53K | +178.0% | $78.90M | 0.1% | ▲ Add | 6 | SEC ↗ ×2 |
| 20 | Millennium Management ✦ | 184.13K | -73.5% | $37.11M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 21 | Adage Capital Partners ✦ | 165.06K | +58.3% | $33.26M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 22 | Gotham Asset Management ✦ | 116.00K | +157.9% | $23.38M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 23 | Baillie Gifford ✦ | 82.36K | -11.1% | $16.60M | 0.0% | ▼ Trim | 5 | SEC ↗ ×4 |
| 24 | Bridgewater Associates ✦ | 62.07K | New | $12.51M | 0.0% | New | 1 | SEC ↗ |
| 25 | GAMCO Investors ✦ | 19.35K | 0.0% | $3.90M | 0.0% | Held | 6 | SEC ↗ |
| 26 | Fisher Asset Management ✦ | 1.60K | -7.0% | $322,011 | 0.0% | ▼ Trim | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Bridgewater Associates | $12.51M | 0.0% |
Exited
| Norges Bank | $1.33B | was 0.2% |
| Point72 Asset Management | $36.61M | was 0.1% |
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.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 1.20K sh · $224,915
Officer · 16.66K sh · $3.14M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology