Marshall Wace
THG icon

Marshall Wace’s Hanover Insurance THG Stock Holding History

Marshall Wace’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 		$505K Buy
2,911
+1,673
+135% +$291K ﹤0.01% 2450
2025
Q4 		$226K Buy
+1,238
New +$223K ﹤0.01% 2558
2025
Q2 		– Sell
-4,209
Closed -$732K – 3172
2025
Q1 		$732K Buy
4,209
+2,733
+185% +$442K ﹤0.01% 1910
2024
Q4 		$228K Sell
1,476
-1,046
-41% -$162K ﹤0.01% 2314
2024
Q3 		$374K Buy
+2,522
New +$346K ﹤0.01% 2041
2023
Q3 		– Sell
-10,342
Closed -$1.17M – 2675
2023
Q2 		$1.17M Buy
+10,342
New +$1.23M ﹤0.01% 1646
2021
Q1 		– Sell
-43,909
Closed -$5.13M – 2852
2020
Q4 		$5.13M Sell
43,909
-24,121
-35% -$2.6M 0.03% 577
2020
Q3 		$6.34M Buy
+68,030
New +$6.76M 0.04% 436
2019
Q4 		– Sell
-29
Closed -$4K – 2059
2019
Q3 		$4K Buy
+29
New +$3.81K ﹤0.01% 1623
2019
Q2 		– Sell
-135
Closed -$15K – 1832
2019
Q1 		$15K Sell
135
-64,809
-100% -$7.46M ﹤0.01% 1640
2018
Q4 		$7.58M Sell
64,944
-176,260
-73% -$19.8M 0.08% 321
2018
Q3 		$29.8M Buy
+241,204
New +$29.8M 0.25% 109
2017
Q1 		– Sell
-261,172
Closed -$23.8M – 722
2016
Q4 		$23.8M Buy
+261,172
New +$21.8M 0.16% 165
2016
Q3 		– Sell
-18,796
Closed -$1.59M – 1135
2016
Q2 		$1.59M Buy
+18,796
New +$1.62M 0.01% 636
2016
Q1 		– Sell
-12,598
Closed -$1.02M – 1189
2015
Q4 		$1.02M Buy
+12,598
New +$1.04M 0.01% 703
2014
Q3 		– Sell
-26,382
Closed -$1.67M – 1040
2014
Q2 		$1.67M Buy
+26,382
New +$1.6M 0.02% 423

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

Marshall Wace's THG Position: Q1 2026 in Review

Marshall Wace increased its Hanover Insurance (THG) stake by 135% in Q1 2026, buying an estimated $291K and bringing the position to 2,911 shares worth $505K. The position accounts for ﹤0.01% of the portfolio, ranked #2450.

Marshall Wace first reported a position in THG in Q2 2014 and has held it in 16 quarters since. The position peaked at $29.8M in Q3 2018. 502 funds tracked by Wall St. Rank hold THG as of Q1 2026.

  • Marshall Wace held 2,911 shares of Hanover Insurance worth $505K as of Q1 2026.
  • Marshall Wace bought 1,673 Hanover Insurance shares in Q1 2026, an estimated $291K.
  • Hanover Insurance made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2450 holding.
  • Marshall Wace first reported a position in Hanover Insurance in Q2 2014 and has held it in 16 quarters since.
  • Marshall Wace's Hanover Insurance position peaked at $29.8M in Q3 2018.
  • 502 funds tracked by Wall St. Rank held Hanover Insurance as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.