Ken Griffin
THG icon

Ken Griffin’s Hanover Insurance THG Stock Holding History

Ken Griffin’s Portfolio THG Stock Details THG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-1,100
Closed -$201K – 14220
2025
Q4 		$201K Sell
1,100
-600
-35% -$108K ﹤0.01% 11032
2025
Q3 		$309K Buy
+1,700
New +$291K ﹤0.01% 10302

Other funds holding THG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Ken Griffin's THG Position: Q1 2026 in Review

Ken Griffin increased its Hanover Insurance (THG) stake by 156% in Q1 2026, buying an estimated $12.5M and bringing the position to 117,634 shares worth $20.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2324.

Ken Griffin first reported a position in THG in Q2 2013 and has held it in 48 quarters since. The position peaked at $74.6M in Q4 2018. 504 funds tracked by Wall St. Rank hold THG as of Q1 2026.

  • Ken Griffin held 117,634 shares of Hanover Insurance worth $20.4M as of Q1 2026.
  • Ken Griffin bought 71,614 Hanover Insurance shares in Q1 2026, an estimated $12.5M.
  • Hanover Insurance made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2324 holding.
  • Ken Griffin first reported a position in Hanover Insurance in Q2 2013 and has held it in 48 quarters since.
  • Ken Griffin's Hanover Insurance position peaked at $74.6M in Q4 2018.
  • 504 funds tracked by Wall St. Rank held Hanover Insurance as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.