Assured Guaranty Ltd (AGO) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

48,165,138Shares Outstanding

680,499Shares held by institutions

$59,632,127Value of institutional holdings

80.19%Institutional ownership %

-3.53%Shares Changed QoQ

337No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 337 institutions have reported a stake in Assured Guaranty Ltd (NYSE:AGO) as of December 2025, according to recent 13F filings with the SEC.

These investors collectively held 80.2% of the company's total shares outstanding in December 2025, down from 89.5% in September 2025.
Quarterly data indicates a -3.53% shift in institutional share volume, and the annual owner count reflects an increase of 5.64%.
During the quarter, 161 institutions bought more Assured Guaranty shares, 118 sold shares, and 58 of the 337 total investors held their position steady.
The total number of shares held by institutions in Assured Guaranty decreased to 38.62Mn as of December 2025, a net change of down by 1.42Mn shares quarter on quarter, and down 7.96Mn shares year over year.
VANGUARD GROUP INC's holding of 6.15Mn shares as of December 31, 2025 makes it the primary institutional investor in Assured Guaranty, owning 12.77% of the stock.
Among the most significant buyers of Assured Guaranty during December 2025 were NORGES BANK (573.48K), TWO SIGMA INVESTMENTS, LP (165.18K), REINHART PARTNERS, LLC. (132.35K), BARCLAYS PLC (132.19K), FIRST TRUST ADVISORS LP (131.19K).
Leading sellers of Assured Guaranty stock in December 2025 included WELLINGTON MANAGEMENT GROUP LLP (1.82Mn), DIMENSIONAL FUND ADVISORS LP (221.22K), VANGUARD GROUP INC (178.30K), MILLENNIUM MANAGEMENT LLC (169.08K), FULLER & THALER ASSET MANAGEMENT, INC. (114.51K).
The top 10 institutional holders of Assured Guaranty for the quarter ending December 2025 included VANGUARD GROUP INC (6.15Mn), BlackRock, Inc. (5.56Mn), DIMENSIONAL FUND ADVISORS LP (3.15Mn), STATE STREET CORP (1.60Mn), FIRST TRUST ADVISORS LP (1.46Mn), REINHART PARTNERS, LLC. (1.26Mn), AMERICAN CENTURY COMPANIES INC (1.21Mn), ROYCE & ASSOCIATES LP (983.38K), FULLER & THALER ASSET MANAGEMENT, INC. (881.90K), PRINCIPAL FINANCIAL GROUP INC (805.95K).

337 Institutional Holders

680,499 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	6,153,030	-178,301	-2.82%	$552,972,806.00
BlackRock, Inc.	31 Dec, 2025	5,562,344	32,332	0.58%	$499,887,899.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	3,153,683	-221,217	-6.55%	$283,424,246.00
STATE STREET CORP	31 Dec, 2025	1,596,636	-81,664	-4.87%	$143,489,677.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	1,464,219	131,195	9.84%	$131,589,361.00
REINHART PARTNERS, LLC.	31 Dec, 2025	1,262,698	132,351	11.71%	$113,479,985.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	1,212,155	67,101	5.86%	$108,936,370.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	983,385	-52,442	-5.06%	$88,376,810.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	881,903	-114,509	-11.49%	$79,256,613.00
PRINCIPAL FINANCIAL GROUP INC	31 Dec, 2025	805,949	-19,564	-2.37%	$72,430,351.00
Boston Partners	31 Dec, 2025	766,651	-24,530	-3.10%	$68,329,648.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	764,103	-16,572	-2.12%	$68,684,759.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	613,782	-1,822,450	-74.81%	$55,160,588.00
MORGAN STANLEY	31 Dec, 2025	594,934	-57,034	-8.75%	$53,466,834.00
NORGES BANK	31 Dec, 2025	573,478	573,478	0.00%	$51,538,468.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	526,134	-14,666	-2.71%	$47,283,634.00
NORTHERN TRUST CORP	31 Dec, 2025	447,045	-35,104	-7.28%	$40,175,935.00
BROWN ADVISORY INC	31 Dec, 2025	436,749	-51,532	-10.55%	$39,250,561.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	428,826	18,739	4.57%	$38,538,594.00
Qube Research & Technologies Ltd	31 Dec, 2025	405,001	16,933	4.36%	$36,397,440.00

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