Adage Capital Partners’s Hanover Insurance THG Stock Holding History

Adage Capital Partners’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	$37.3M	Buy	215,370 +147,370	+217%	+$25.6M	0.06%	314
2025 Q4	$12.4M	Sell	68,000 -130,000	-66%	-$23.4M	0.02%	622
2025 Q3	$36M	Sell	198,000 -360,000	-65%	-$61.7M	0.06%	313
2025 Q2	$94.8M	Buy	558,000 +193,000	+53%	+$32.2M	0.16%	124
2025 Q1	$63.5M	Buy	365,000 +76,100	+26%	+$12.3M	0.12%	172
2024 Q4	$44.7M	Buy	288,900 +8,900	+3%	+$1.38M	0.08%	238
2024 Q3	$41.5M	Buy	+280,000	New	+$38.5M	0.07%	268
2013 Q3	–	Sell	-8,030	Closed	-$393K	–	736
2013 Q2	$393K	Buy	+8,030	New	+$395K	﹤0.01%	674

Other funds holding THG

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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 Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Adage Capital Partners's THG Position: Q1 2026 in Review

Adage Capital Partners increased its Hanover Insurance (THG) stake by 217% in Q1 2026, buying an estimated $25.6M and bringing the position to 215,370 shares worth $37.3M. The position accounts for 0.06% of the portfolio, ranked #314.

Adage Capital Partners first reported a position in THG in Q2 2013 and has held it in 8 quarters since. The position peaked at $94.8M in Q2 2025. 502 funds tracked by Wall St. Rank hold THG as of Q1 2026.

Adage Capital Partners held 215,370 shares of Hanover Insurance worth $37.3M as of Q1 2026.
Adage Capital Partners bought 147,370 Hanover Insurance shares in Q1 2026, an estimated $25.6M.
Hanover Insurance made up 0.06% of Adage Capital Partners's portfolio in Q1 2026, its #314 holding.
Adage Capital Partners first reported a position in Hanover Insurance in Q2 2013 and has held it in 8 quarters since.
Adage Capital Partners's Hanover Insurance position peaked at $94.8M in Q2 2025.
502 funds tracked by Wall St. Rank held Hanover Insurance as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.