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Mattern Capital Management’s Hanover Insurance THG Stock Holding History

Mattern Capital Management’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
Q2 		$593K Buy
2,769
+112
+4% +$21.2K 0.07% 129
2026
Q1 		$461K Hold
2,657
– – 0.06% 135
2025
Q4 		$486K Hold
2,657
– – 0.06% 142
2025
Q3 		$483K Hold
2,657
– – 0.06% 141
2025
Q2 		$451K Hold
2,657
– – 0.05% 141
2025
Q1 		$462K Hold
2,657
– – 0.06% 136
2024
Q4 		$411K Hold
2,657
– – 0.05% 132
2024
Q3 		$394K Hold
2,657
– – 0.05% 129
2024
Q2 		$333K Hold
2,657
– – 0.05% 133
2024
Q1 		$362K Hold
2,657
– – 0.05% 124
2023
Q4 		$323K Hold
2,657
– – 0.05% 117
2023
Q3 		$295K Buy
+2,657
New +$293K 0.05% 120

Other funds holding THG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Mattern Capital Management's THG Position: Q2 2026 in Review

Mattern Capital Management increased its Hanover Insurance (THG) stake by 4.2% in Q2 2026, buying an estimated $21.2K and bringing the position to 2,769 shares worth $593K. The position accounts for 0.07% of the portfolio, ranked #129.

Mattern Capital Management first reported a position in THG in Q3 2023 and has held it in 12 quarters since. 547 funds tracked by Wall St. Rank hold THG as of Q2 2026.

  • Mattern Capital Management held 2,769 shares of Hanover Insurance worth $593K as of Q2 2026.
  • Mattern Capital Management bought 112 Hanover Insurance shares in Q2 2026, an estimated $21.2K.
  • Hanover Insurance made up 0.07% of Mattern Capital Management's portfolio in Q2 2026, its #129 holding.
  • Mattern Capital Management first reported a position in Hanover Insurance in Q3 2023 and has held it in 12 quarters since.
  • 547 funds tracked by Wall St. Rank held Hanover Insurance as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.