Hamilton Insurance Group, Ltd. (HG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

103,887,915Shares Outstanding

16,012,212Shares held by institutions

$502,943,579Value of institutional holdings

49.77%Institutional ownership %

5.16%Shares Changed QoQ

184No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Hamilton Insurance Group, Ltd. (NYSE:HG) includes 184 filers as of the latest reporting cycle ending December 2025.

Institutional ownership in Hamilton Insurance edged up to 49.8% in December 2025, compared to 47.9% in September 2025.
The company experienced a 5.16% quarterly change in institutional shares held, alongside an increase of 25.17% in total owners annually.
A review of institutional activity for Hamilton Insurance shows 103 of 184 filers increasing their positions, while 58 reduced their stake, and 23 remained unchanged.
This class of investors increased its holdings in Hamilton Insurance to 51.71Mn shares for the 13F-cycle ending December 2025, up by 2.54Mn shares quarter on quarter, and up 9.57Mn shares year over year.
The top institutional stake in Hamilton Insurance as of December 31, 2025 belongs to Magnitude Capital, LLC, which owns 15.10Mn shares, or 14.53% of the company.
Among the most significant buyers of Hamilton Insurance during December 2025 were DONALD SMITH & CO., INC. (646.11K), Freestone Grove Partners LP (597.37K), MILLENNIUM MANAGEMENT LLC (417.26K), SG Americas Securities, LLC (335.15K), DIMENSIONAL FUND ADVISORS LP (313.83K).
Leading sellers of Hamilton Insurance stock in December 2025 included WELLINGTON MANAGEMENT GROUP LLP (921.23K), AMERICAN CENTURY COMPANIES INC (862.76K), MORGAN STANLEY (251.25K), ALGERT GLOBAL LLC (113.98K), Philadelphia Financial Management of San Francisco, LLC (89.56K).
The top 10 institutional holders of Hamilton Insurance for the quarter ending December 2025 included Magnitude Capital, LLC (15.10Mn), WELLINGTON MANAGEMENT GROUP LLP (4.38Mn), BlackRock, Inc. (2.84Mn), MORGAN STANLEY (2.77Mn), Nuveen, LLC (2.22Mn), DONALD SMITH & CO., INC. (1.55Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (1.36Mn), AMERICAN CENTURY COMPANIES INC (1.16Mn), DIMENSIONAL FUND ADVISORS LP (1.02Mn), LAZARD ASSET MANAGEMENT LLC (958.93K).

184 Institutional Holders

16,012,212 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Magnitude Capital, LLC	31 Dec, 2025	15,096,940	0	0.00%	$421,204,626.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	4,376,258	-921,226	-17.39%	$122,097,598.00
BlackRock, Inc.	31 Dec, 2025	2,842,346	90,664	3.29%	$79,301,453.00
MORGAN STANLEY	31 Dec, 2025	2,772,152	-251,249	-8.31%	$77,343,069.00
Nuveen, LLC	31 Dec, 2025	2,220,738	74,194	3.46%	$61,958,591.00
DONALD SMITH & CO., INC.	31 Dec, 2025	1,552,870	646,106	71.25%	$43,325,073.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	1,356,650	-16,841	-1.23%	$37,850,535.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	1,161,206	-862,762	-42.63%	$32,397,647.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,019,106	313,829	44.50%	$28,432,940.00
LAZARD ASSET MANAGEMENT LLC	31 Dec, 2025	958,935	81,424	9.28%	$26,754,287.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	881,667	417,261	89.85%	$24,598,509.00
PRIVATE MANAGEMENT GROUP INC	31 Dec, 2025	874,971	-13,150	-1.48%	$24,411,691.00
FEDERATED HERMES, INC.	31 Dec, 2025	852,047	264,096	44.92%	$23,772,112.00
STATE STREET CORP	31 Dec, 2025	780,114	-9,788	-1.24%	$21,765,181.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	696,726	-29,480	-4.06%	$19,438,655.00
VANGUARD GROUP INC	31 Dec, 2025	652,467	77,180	13.42%	$18,203,828.00
Freestone Grove Partners LP	31 Dec, 2025	597,370	597,370	0.00%	$16,666,623.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	559,707	25,520	4.78%	$15,615,826.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	542,988	-11,747	-2.12%	$15,147,686.00
Philadelphia Financial Management of San Francisco, LLC	31 Dec, 2025	495,283	-89,563	-15.31%	$13,818,396.00

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