Who owns AGOWhat AGO owns — n/a

Who owns ASSURED GUARANTY LTD?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of AGO from SEC Form 13F filings across 498 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 498 institutions disclosed 81.0M shares of ASSURED GUARANTY LTD worth $3.16B; the largest disclosed holder is VANGUARD GROUP INC. Source: SEC Form 13F filings, parsed by EvidInvest.

498

13F holders

$3.16B

value, 2026 filers

81.0M

shares disclosed

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AGO's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	VANGUARD GROUP INC	6.2M	$553.0M	0.0%	—	—
2	BlackRock Inc.	6.6M	$511.1M	0.0%	—	—
3	BlackRock, Inc.	5.8M	$471.0M	0.0%	—	—
4	PUTNAM INVESTMENTS LLC	5.2M	$386.1M	0.5%	—	—
5	DIMENSIONAL FUND ADVISORS LP	3.0M	$245.4M	0.1%	—	—
6	VANGUARD CAPITAL MANAGEMENT LLC	2.0M	$160.2M	0.0%	—	—
7	BlackRock Institutional Trust Company, N.A.	3.5M	$132.4M	0.0%	—	—
8	STATE STREET CORP	1.6M	$128.1M	0.0%	—	—
9	FIRST TRUST ADVISORS LP	1.4M	$110.5M	0.1%	—	—
10	AMERICAN CENTURY COMPANIES INC	1.3M	$107.2M	0.1%	—	—
11	REINHART PARTNERS, INC.	1.2M	$99.9M	2.3%	—	—
12	River Road Asset Management, LLC	1.2M	$93.0M	1.0%	—	—
13	ROYCE & ASSOCIATES LP	982,147	$80.0M	0.8%	—	—
14	AQR CAPITAL MANAGEMENT LLC	860,440	$69.8M	0.0%	—	—
15	FULLER & THALER ASSET MANAGEMENT, INC.	849,653	$69.2M	0.2%	—	—
16	Numeric Investors LLC	1.9M	$66.0M	0.5%	—	—
17	PRINCIPAL FINANCIAL GROUP INC	754,859	$60.5M	0.0%	—	—
18	GEODE CAPITAL MANAGEMENT, LLC	734,344	$59.8M	0.0%	—	—
19	BlackRock Fund Advisors	1.5M	$55.6M	0.0%	—	—
20	NORGES BANK	573,478	$51.5M	0.0%	—	—
21	QUADRANT CAPITAL GROUP LLC	12,248	$49.0M	0.0%	—	—
22	GOLDMAN SACHS GROUP INC	571,350	$46.6M	0.0%	—	—
23	MORGAN STANLEY	570,014	$46.4M	0.0%	—	—
24	TWO SIGMA INVESTMENTS, LP	523,381	$42.6M	0.0%	—	—
25	Quantinno Capital Management LP	499,347	$40.7M	0.1%	—	—

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.