Assured Guaranty Ltd. (AGO) ownership: Top institutional holder: VANGUARD GROUP INC ($552.97M). Insider activity: Net Seller (1 buys, 19 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 6153030.00 | $552.97M | 2025-12-31 |
| BlackRock, Inc. | 5780463.00 | $470.99M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3925791.00 | $319.87M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 3011751.00 | $245.39M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1965693.00 | $160.16M | 2026-03-31 |
| River Road Asset Management, LLC | 1891378.00 | $154.11M | 2026-03-31 |
| STATE STREET CORP | 1572236.00 | $128.11M | 2026-03-31 |
| FIRST TRUST ADVISORS LP | 1356635.00 | $110.54M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-28 | |
| Sell | null | 2026-05-28 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.