The Hanover Insurance Group, Inc. (THG) ownership: Top institutional holder: VANGUARD GROUP INC ($668.98M). Insider activity: Net Seller (0 buys, 20 sells). 1 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 3660213.00 | $668.98M | 2025-12-31 |
| BlackRock, Inc. | 3681166.00 | $638.13M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1932460.00 | $334.99M | 2026-03-31 |
| STATE STREET CORP | 1631422.00 | $282.81M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1452355.00 | $251.77M | 2026-03-31 |
| AQR CAPITAL MANAGEMENT LLC | 1013395.00 | $175.45M | 2026-03-31 |
| AMERICAN CENTURY COMPANIES INC | 1002527.00 | $173.79M | 2026-03-31 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 989837.00 | $171.59M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-19 | |
| Sell | null | 2026-08-19 | |
| Sell | null | 2026-08-19 | |
| Sell | null | 2026-08-19 | |
| Sell | null | 2026-08-19 | |
| Sell | null | 2026-08-19 | |
| Sell | null | 2026-08-19 | |
| Sell | null | 2026-08-19 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.