MCM
THG icon

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
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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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 $194B AUM 35% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Mattern Capital Management's THG Position: Q1 2026 in Review

Mattern Capital Management held its Hanover Insurance (THG) position steady in Q1 2026 at 2,657 shares worth $461K. The position accounts for 0.06% of the portfolio, ranked #135.

Mattern Capital Management first reported a position in THG in Q3 2023 and has held it in 11 quarters since. The position peaked at $486K in Q4 2025. 502 funds tracked by Wall St. Rank hold THG as of Q1 2026.

  • Mattern Capital Management held 2,657 shares of Hanover Insurance worth $461K as of Q1 2026.
  • Mattern Capital Management left its Hanover Insurance share count unchanged in Q1 2026.
  • Hanover Insurance made up 0.06% of Mattern Capital Management's portfolio in Q1 2026, its #135 holding.
  • Mattern Capital Management first reported a position in Hanover Insurance in Q3 2023 and has held it in 11 quarters since.
  • Mattern Capital Management's Hanover Insurance position peaked at $486K in Q4 2025.
  • 502 funds tracked by Wall St. Rank held Hanover Insurance as of Q1 2026.

Based on Mattern Capital Management's 13F filing for Q1 2026, filed 4 May 2026.