THG HANOVER INSURANCE GROUP, INC.: institutional ownership and insider trading
586 funds reported holding $7.54B of HANOVER INSURANCE GROUP, INC. in their latest 13F filings; in Q2 2026 funds net bought $170M, with 76 new positions and 39 funds selling out; over the last 12 months insiders bought $0 and sold $16.2M on the open market.
Famous investors holding THG
- Tom Gayner (Markel Group): $60.2M, 0.5% of the portfolio
- Two Sigma (Two Sigma Investments): $38.7M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $15.1M, 0.0% of the portfolio
- Ray Dalio (Bridgewater Associates): $6.02M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $4.86M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $2.18M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $1.52M, 0.0% of the portfolio
Largest institutional holders of THG
- BlackRock, Inc. (BLK) — $756M
- VANGUARD GROUP INC — $669M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $411M
- PRICE T ROWE ASSOCIATES INC /MD/ — $392M
- STATE STREET CORP (STT, STT-PG) — $348M
- VANGUARD CAPITAL MANAGEMENT LLC — $312M
- AQR CAPITAL MANAGEMENT LLC — $287M
- FULLER & THALER ASSET MANAGEMENT, INC. — $233M
- AMERICAN CENTURY COMPANIES INC — $231M
- DIMENSIONAL FUND ADVISORS LP — $221M
Recent THG insider trades
- Aug 20, 2026: Kerrigan Dennis Francis sold 8,655 shares ($1.91M)
- Aug 6, 2026: Bunting Theodore H JR sold 1,200 shares ($275K)
- Aug 3, 2026: Carlin Jane D sold 1,000 shares ($232K)
- Jun 3, 2026: Salvatore Bryan J sold 16,394 shares ($3.05M)
Members of Congress trading THG
- May 12, 2025: Jefferson Shreve sold $15.0K–$50.0K
5%+ owners
- Vanguard Portfolio Management: 5.5% (Schedule 13G, filed Apr 29, 2026)
- T. Rowe Price Associates, Inc.: 5.2% (Schedule 13G, filed Aug 14, 2026)