MRSH
Marsh & McLennan Companies, Inc. · Financial Services · Insurance - Brokers
Momentum inputs (comparable managers):
holder breadth +4.3% ·
share flow +2.0% ·
net new positions +4.2%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 46.16M | — | $10.09B | 0.2% | n/c | 1 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 40.27M | — | $8.81B | 0.2% | n/c | 1 | SEC ↗ ×21 |
| 3 | State Street Global Advisors ✦ (passive) | 21.44M | -0.2% | $4.69B | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 20.04M | — | $4.38B | 0.2% | n/c | 1 | SEC ↗ ×7 |
| 5 | Capital World Investors ✦ | 17.61M | -0.2% | $3.85B | 0.6% | ▼ Trim | 5 | SEC ↗ |
| 6 | Wellington Management ✦ | 13.83M | +7.9% | $3.02B | 0.6% | ▲ Add | 5 | SEC ↗ ×8 |
| 7 | Geode Capital Management ✦ (passive) | 12.68M | +1.6% | $2.76B | 0.2% | ▲ Add | 5 | SEC ↗ ×2 |
| 8 | T. Rowe Price ✦ | 10.04M | +17.8% | $2.20B | 0.2% | ▲ Add | 5 | SEC ↗ ×2 |
| 9 | Norges Bank ✦ (passive) | 6.08M | +6.3% | $1.33B | 0.2% | ▲ Add | 5 | SEC ↗ |
| 10 | PRIMECAP Management ✦ | 1.96M | -27.0% | $429.15M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 1.20M | +49.3% | $263.36M | 0.3% | ▲ Add | 5 | SEC ↗ ×2 |
| 12 | Two Sigma Investments ✦ | 993.28K | +362.3% | $217.17M | 0.4% | ▲ Add | 5 | SEC ↗ |
| 13 | Renaissance Technologies ✦ | 973.93K | +57.3% | $212.94M | 0.3% | ▲ Add | 5 | SEC ↗ |
| 14 | Markel Group ✦ | 748.75K | +0.7% | $163.71M | 1.4% | ▲ Add | 5 | SEC ↗ ×2 |
| 15 | Millennium Management ✦ | 693.69K | +66.0% | $151.67M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 430.40K | -22.0% | $93.46M | 0.1% | ▼ Trim | 5 | SEC ↗ ×6 |
| 17 | Arrowstreet Capital ✦ | 188.04K | +132.3% | $41.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Point72 Asset Management ✦ | 167.46K | New | $36.61M | 0.1% | New | 1 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 140.82K | -31.0% | $30.79M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 20 | Adage Capital Partners ✦ | 104.26K | -70.9% | $22.80M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 21 | Baillie Gifford ✦ | 92.65K | -5.2% | $20.26M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 22 | Gotham Asset Management ✦ | 44.98K | -36.1% | $9.83M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 23 | GAMCO Investors ✦ | 19.35K | +2.7% | $4.23M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Fisher Asset Management ✦ | 1.72K | -20.8% | $375,644 | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $36.61M | 0.1% |
Exited
| No tracked exits this quarter. |
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