THG
The Hanover Insurance Group, Inc. · Financial Services · Insurance - Property & Casualty
Momentum inputs (comparable managers):
holder breadth -11.1% ·
share flow +6.8% ·
net new positions -12.5%
— formula
Concentrated accumulation — rising shares among fewer 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 | 125 | +1 | 23.81M | $5.06B | +6 | −4 |
| Q1 2026 | 126 | -3 | 23.31M | $4.05B | +2 | −6 |
| Q4 2025 | 128 | +2 | 25.69M | $4.69B | +4 | −1 |
| Q3 2025 | 18 | 0 | 13.29M | $2.41B | — | −1 |
| Q2 2025 | 16 | -2 | 13.46M | $2.29B | — | −2 |
| Q1 2025 | 15 | +2 | 5.04M | $875.60M | +3 | −1 |
| Q4 2024 | 13 | -2 | 4.79M | $740.67M | — | −2 |
| Q3 2024 | 14 | 0 | 3.67M | $543.59M | +3 | −3 |
| Q2 2024 | 14 | — | 3.16M | $396.51M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 3.71M | — | $629.59M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 3.71M | — | $629.59M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 3.71M | — | $629.59M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 3.71M | — | $629.59M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 3.71M | — | $629.59M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 3.61M | — | $613.35M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | T. Rowe Price ✦ | 1.70M | +32.1% | $288.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 26 | T. Rowe Price ✦ | 1.70M | +32.1% | $288.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | State Street Global Advisors ✦ (passive) | 1.27M | +0.2% | $215.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 681.52K | -0.3% | $115.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 681.52K | -0.3% | $115.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | Adage Capital Partners ✦ | 558.00K | +52.9% | $94.79M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 553.82K | +21.0% | $93.19M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 553.82K | +21.0% | $93.19M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 553.82K | +21.0% | $93.19M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 553.82K | +21.0% | $93.19M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 553.82K | +21.0% | $93.19M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 36 | Norges Bank ✦ (passive) | 454.28K | +2.5% | $77.17M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 37 | Markel Group ✦ | 281.00K | +0.4% | $47.73M | 0.4% | ▲ Add | 5 | SEC ↗ |
| 38 | Markel Group ✦ | 281.00K | +0.4% | $47.73M | 0.4% | ▲ Add | 5 | SEC ↗ |
| 39 | Fidelity (FMR) ✦ | 246.61K | — | $41.89M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Fidelity (FMR) ✦ | 246.61K | — | $41.89M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Fidelity (FMR) ✦ | 246.61K | — | $41.89M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Fidelity (FMR) ✦ | 246.61K | — | $41.89M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Millennium Management ✦ | 218.30K | +147.0% | $37.08M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 44 | Gotham Asset Management ✦ | 116.81K | +40.8% | $19.84M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 45 | Bridgewater Associates ✦ | 40.74K | +31.9% | $6.92M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 46 | Renaissance Technologies ✦ | 12.10K | +7.1% | $2.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Two Sigma Investments ✦ | 11.67K | -42.9% | $1.98M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 48 | Citadel Advisors ✦ | 3.51K | -74.6% | $595,564 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| D. E. Shaw & Co. | $860,357 | was 0.0% |
| Marshall Wace | $732,156 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 499 holders, 31.25M shares, $5.07B 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 · 400 sh · $88,004
Officer · 1.70K sh · $379,941
Officer · 224 sh · $49,900
Officer · 4.82K sh · $1.06M
Officer · 1.50K sh · $333,704
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology