Assured Guaranty Ltd
Ownership
Ownership Structure
Who owns Assured Guaranty Ltd (AGO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.0% of the shares are freely tradable; institutional investors hold 96.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 13.14 | 5,780,463 | +3.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 8.93 | 3,925,791 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 6.89 | 3,027,991 | +0.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.47 | 1,965,693 | +0.0 | 03/31/2026 |
| State Street Corp | 3.58 | 1,572,236 | -1.5 | 03/31/2026 |
| First Trust Advisors L.P. | 3.45 | 1,518,088 | +11.9 | 06/30/2026 |
| American Century Companies Inc | 3.19 | 1,403,093 | +6.6 | 06/30/2026 |
| Reinhart Mahoney Capital Management Inc | 2.83 | 1,246,181 | -3.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.76 | 2,535,231 | -0.1 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.06 | 1,344,004 | +0.4 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Frederico Dominic | President/CEO/Deputy Chairman | 1,275,219 | 90,668,071 $ | Aug 20, 2026 | direct |
| Assured Guaranty Ltd | 10% Owner | 1,212,106 | 86,180,756 $ | Jul 22, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 20, 2026 | Frederico Dominic | President/CEO/Deputy Chairman | Other | 23,331 | 0.00 | – |
| Jul 22, 2026 | Assured Guaranty Ltd | 10% Owner | Buy | 209,388 | 24.83 | 5,200,004 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.