Assured Guaranty Ltd (AGO)
Who owns Assured Guaranty Ltd (AGO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.9% of the shares are freely tradable; institutional investors hold 96.4%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 13.05 | 5,780,463 | +3.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 8.87 | 3,925,791 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 6.80 | 3,011,751 | -4.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.44 | 1,965,693 | +0.0 | 03/31/2026 |
| State Street Corp | 3.55 | 1,572,236 | -1.5 | 03/31/2026 |
| First Trust Advisors L.P. | 3.06 | 1,356,635 | -7.3 | 03/31/2026 |
| American Century Companies Inc | 2.97 | 1,316,129 | +8.6 | 03/31/2026 |
| Reinhart Mahoney Capital Management Inc | 2.81 | 1,246,181 | -3.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.73 | 2,537,185 | +0.0 | 07/28/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.02 | 1,338,136 | -3.5 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 22. Jul 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: July 31, 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.