Assured Guaranty Ltd. (AGO) Ownership
AGO ownership summary
as of October 18, 2026- Institutions
- 96.7% of shares outstanding
- Insiders
- 6.87% of shares outstanding
- Shares outstanding
- 44.0M
- Float
- 41.3M shares available to trade
- Short interest
- 8.07% 2.4M shares short
- Days to cover
- 4.51 short interest up 5.1% vs prior month
- Institutions 96.68%
- Insiders 6.87%
AGO top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 13.16% | 5.8M | $410.0M | +7,039 (+0.1%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 9.02% | 4.0M | $281.0M | +39,700 (+1.0%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 6.89% | 3.0M | $214.5M | +16,240 (+0.5%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.36% | 1.9M | $135.8M | −49,038 (−2.5%) | June 30, 2026 |
| 5 | State Street Corp | 3.61% | 1.6M | $112.4M | +14,180 (+0.9%) | June 30, 2026 |
| 6 | First Trust Advisors L.P. | 3.45% | 1.5M | $107.6M | +161,453 (+11.9%) | June 30, 2026 |
| 7 | American Century Companies Inc | 3.19% | 1.4M | $99.4M | +86,964 (+6.6%) | June 30, 2026 |
| 8 | AQR Capital Management LLC | 3.17% | 1.4M | $98.8M | +534,708 (+62.1%) | June 30, 2026 |
| 9 | Reinhart Mahoney Capital Management Inc | 2.70% | 1.2M | $84.2M | −57,481 (−4.6%) | September 30, 2026 |
| 10 | River Road Asset Management, LLC | 2.64% | 1.2M | $82.2M | −731,108 (−38.7%) | June 30, 2026 |
| 11 | Royce & Associates, LP | 2.41% | 1.1M | $75.1M | +78,250 (+8.0%) | June 30, 2026 |
| 12 | Fuller & Thaler Asset Management Inc | 1.87% | 821K | $58.1M | −29,001 (−3.4%) | June 30, 2026 |
| 13 | Principal Financial Group Inc | 1.72% | 755K | $53.5M | −25,714 (−3.3%) | June 30, 2026 |
| 14 | Gendell Jeffrey L | 1.65% | 726K | $51.4M | +480,714 (+195.9%) | June 30, 2026 |
| 15 | Geode Capital Management, LLC | 1.63% | 717K | $50.8M | −17,641 (−2.4%) | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 1.35% | 594K | $42.1M | +24,392 (+4.3%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 1.31% | 574K | $40.7M | +2,614 (+0.5%) | June 30, 2026 |
| 18 | NORGES BANK | 1.22% | 538K | $38.1M | −35,633 (−6.2%) | June 30, 2026 |
| 19 | Boston Partners Global Investors, Inc | 1.11% | 486K | $34.5M | −89,432 (−15.5%) | June 30, 2026 |
| 20 | Northern Trust Corp | 1.01% | 445K | $31.5M | −3,728 (−0.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 1.4M shares and 9 cut 1.0M.
AGO top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.59% | 2.5M | $174.3M | +570 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.05% | 1.3M | $95.1M | −1,975 (−0.1%) | August 31, 2026 |
| 3 | Vanguard Equity-Income Inv | 2.77% | 1.2M | $86.2M | +108,881 (+9.8%) | June 30, 2026 |
| 4 | Avantis US Small Cap Value ETF | 2.59% | 1.1M | $80.6M | — | September 30, 2026 |
| 5 | DFA US Small Cap Value I | 2.20% | 966K | $68.4M | — | August 31, 2026 |
| 6 | Vanguard Small Cap Index | 2.14% | 941K | $66.7M | −28,195 (−2.9%) | September 30, 2026 |
| 7 | Undiscovered Managers Behavioral Val L | 1.46% | 640K | $45.4M | −14,300 (−2.2%) | August 31, 2026 |
| 8 | Vanguard MStar Small Cap Value Index | 1.39% | 612K | $43.4M | −2,572 (−0.4%) | September 30, 2026 |
| 9 | First Trust SMID Cp Rising Div Achv ETF | 1.22% | 535K | $37.9M | — | September 30, 2026 |
| 10 | First Trust Value Line® Dividend ETF | 1.04% | 456K | $32.3M | — | September 30, 2026 |
| 11 | State Street SPDR Port S&P 600 Sm CpETF | 0.85% | 375K | $26.6M | — | September 30, 2026 |
| 12 | Royce Small-Cap Trust | 0.83% | 363K | $25.7M | — | September 30, 2026 |
| 13 | Royce Small-Cap Total Return Invmt | 0.81% | 354K | $25.1M | −4,295 (−1.2%) | September 30, 2026 |
| 14 | Royce Small-Cap Fund Invmt | 0.74% | 326K | $23.1M | +21,458 (+7.0%) | September 30, 2026 |
| 15 | Dimensional US Small Cap Value ETF | 0.59% | 261K | $18.5M | — | September 24, 2026 |
| 16 | Vanguard Tax-Managed Small Cap Adm | 0.58% | 253K | $17.9M | −75,952 (−23.1%) | September 30, 2026 |
| 17 | Vanguard Dividend Appreciation ETF | 0.53% | 234K | $16.6M | −1,657 (−0.7%) | September 30, 2026 |
| 18 | DFA US Small Cap I | 0.52% | 229K | $16.3M | — | August 31, 2026 |
| 19 | JNL Multi-Manager Small Cap Value I | 0.51% | 226K | $16.0M | −22,652 (−9.1%) | June 30, 2026 |
| 20 | Schwab US Small-Cap ETF™ | 0.49% | 217K | $15.4M | +144 (+0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AGO insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-30 | Francisco L Borges | Sell | $80.22 | 123,750 | $9.9M |
| 2026-03-23 | Dominic Frederico | Sell | $81.41 | 29,998 | $2.4M |
| 2026-03-20 | Dominic Frederico | Sell | $81.06 | 20,002 | $1.6M |
| 2026-03-04 | Lorin Radtke | Sell | $87.14 | 1,219 | $106,224 |
| 2026-01-29 | Guaranty Ltd Assured | Sell | $14.32 | 237 | $3,394 |
| 2026-01-27 | Guaranty Ltd Assured | Sell | $14.31 | 4,562 | $65,282 |
| 2026-01-23 | Guaranty Ltd Assured | Sell | $14.29 | 305 | $4,358 |
| 2026-01-14 | Guaranty Ltd Assured | Sell | $14.48 | 1,650 | $23,892 |
| 2026-01-13 | Guaranty Ltd Assured | Sell | $14.50 | 165 | $2,392 |
| 2026-01-12 | Guaranty Ltd Assured | Sell | $14.72 | 3,782 | $55,671 |
| 2025-11-17 | Guaranty Ltd Assured | Sell | $16.40 | 102 | $1,673 |
| 2025-10-28 | Guaranty Ltd Assured | Sell | $16.69 | 266 | $4,440 |
| 2025-10-27 | Guaranty Ltd Assured | Sell | $16.70 | 590 | $9,853 |
| 2025-10-24 | Guaranty Ltd Assured | Sell | $16.64 | 1,882 | $31,316 |
| 2025-10-15 | Guaranty Ltd Assured | Sell | $16.90 | 6,258 | $105,760 |
| 2025-10-14 | Guaranty Ltd Assured | Sell | $17.38 | 1,227 | $21,325 |
| 2025-10-13 | Guaranty Ltd Assured | Sell | $17.51 | 3,195 | $55,944 |
| 2025-10-09 | Guaranty Ltd Assured | Sell | $17.78 | 3,409 | $60,612 |
| 2025-09-23 | Dominic Frederico | Sell | $83.83 | 25,000 | $2.1M |
| 2025-08-11 | Robert Bailenson | Sell | $81.51 | 40,000 | $3.3M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
AGO shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AGO
Institutional investors own 96.7% of Assured Guaranty's shares and insiders 6.87%. The largest holder is BlackRock Inc with 13.16% of the shares (5.8M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 9 reduced their stake in the latest filings. Short interest is 8.07% of the float, or 4.51 days of average trading volume. The share count fell 69.6% since 2014.
Related: AGO analyst forecast, AGO key metrics, AGO dividend history. See the AGO stock overview for the latest quote and news.
AGO ownership FAQ
Who owns the most Assured Guaranty stock?
The largest shareholders of Assured Guaranty are BlackRock Inc (13.16%), Vanguard Portfolio Management, LLC (9.02%), Dimensional Fund Advisors, Inc. (6.89%), Vanguard Capital Management, LLC (4.36%), State Street Corp (3.61%).
What percentage of Assured Guaranty is owned by institutions?
Institutions hold 96.7% of Assured Guaranty's shares outstanding; insiders hold 6.87%.
Which funds own Assured Guaranty?
The largest fund holders of Assured Guaranty are iShares Core S&P Small-Cap ETF (5.59%), Vanguard MStar Total Stk Mkt Idx Invest (3.05%), Vanguard Equity-Income Inv (2.77%), Avantis US Small Cap Value ETF (2.59%), DFA US Small Cap Value I (2.20%).
What is Assured Guaranty's short interest?
2.4M shares of Assured Guaranty were sold short, 8.07% of the float; at the average daily volume it would take 4.51 days to cover.
Are insiders buying or selling Assured Guaranty?
Of the latest 20 reported insider transactions in Assured Guaranty (since August 11, 2025), 0 were purchases and 20 were sales.
How many shares of Assured Guaranty are outstanding?
Assured Guaranty has 44.0M shares outstanding, of which 41.3M are in the public float.