Hanover Insurance Group, Inc. (THG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

36,469,388Shares Outstanding

580,353Shares held by institutions

$101,532,757Value of institutional holdings

80.64%Institutional ownership %

3.14%Shares Changed QoQ

466No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Hanover Insurance Group, Inc. (NYSE:THG) is held by 466 institutional firms.

The collective stake of institutional investors in Hanover Insurance moved to 80.6% in December 2025, a shift down from the 86.0% reported for September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 3.14%, with a year-over-year an increase of 16.21% in the count of filers.
Of these 466 institutional investors, 239 increased their holdings in Hanover Insurance, while 151 of them reduced positions, and 76 investors maintained their exposure.
Collectively, institutional investors increased their stake in Hanover Insurance to 29.41Mn shares as of December 2025, a change that is up by 895.48K shares quarter on quarter and down 2.30Mn shares year over year.
VANGUARD GROUP INC's holding of 3.66Mn shares as of December 31, 2025 makes it the primary institutional investor in Hanover Insurance, owning 10.04% of the stock.
Among the most significant buyers of Hanover Insurance during December 2025 were NORGES BANK (458.59K), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (361.13K), AQR CAPITAL MANAGEMENT LLC (190.35K), Qube Research & Technologies Ltd (170.97K), FIRST TRUST ADVISORS LP (162.11K).
Leading sellers of Hanover Insurance stock in December 2025 included ALLIANCEBERNSTEIN L.P. (185.68K), Woodline Partners LP (145.01K), FRANKLIN RESOURCES INC (137.85K), Allspring Global Investments Holdings, LLC (130.64K), ADAGE CAPITAL PARTNERS GP, L.L.C. (130.00K).
The top 10 institutional holders of Hanover Insurance for the quarter ending December 2025 included VANGUARD GROUP INC (3.66Mn), BlackRock, Inc. (3.58Mn), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (1.22Mn), STATE STREET CORP (1.20Mn), ALLIANCEBERNSTEIN L.P. (1.08Mn), FULLER & THALER ASSET MANAGEMENT, INC. (954.27K), AQR CAPITAL MANAGEMENT LLC (953.78K), DIMENSIONAL FUND ADVISORS LP (833.18K), FIRST TRUST ADVISORS LP (801.38K), GEODE CAPITAL MANAGEMENT, LLC (727.96K).

466 Institutional Holders

580,353 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	3,660,213	-42,269	-1.14%	$668,977,130.00
BlackRock, Inc.	31 Dec, 2025	3,579,509	46,792	1.32%	$654,226,847.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	1,216,240	-49,334	-3.90%	$222,292,184.00
STATE STREET CORP	31 Dec, 2025	1,199,391	-39,560	-3.19%	$219,212,693.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	1,077,036	-185,683	-14.71%	$196,849,870.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	954,272	-2,183	-0.23%	$174,412,300.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	953,781	190,350	24.93%	$174,322,475.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	833,179	42,412	5.36%	$152,284,501.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	801,375	162,111	25.36%	$146,467,332.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	727,958	29,870	4.28%	$133,073,409.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	709,698	145,246	25.73%	$129,711,751.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	636,159	-3,731	-0.58%	$116,270,719.00
NORGES BANK	31 Dec, 2025	458,591	458,591	0.00%	$83,816,677.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	458,367	19,637	4.48%	$83,775,737.00
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	31 Dec, 2025	437,430	-22,110	-4.81%	$79,949,081.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	431,557	-130,638	-23.24%	$77,274,596.00
Qube Research & Technologies Ltd	31 Dec, 2025	424,363	170,969	67.47%	$77,560,826.00
MORGAN STANLEY	31 Dec, 2025	402,613	37,970	10.41%	$73,585,991.00
LONDON CO OF VIRGINIA	31 Dec, 2025	391,468	-62,474	-13.76%	$71,550,439.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	389,454	-79,224	-16.90%	$71,180,508.00

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