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Of the 12 tracked institutions holding AGO, 5 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +4.4pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, AGO (ASSURED GUARANTY LTD) is held with a combined value of $1.30B across 15,370,563 shares. The largest holder is VANGUARD GROUP INC with a position worth $552.97M. RENAISSANCE TECHNOLOGIES LLC opened a new position in the most recent quarter. 5 funds increased their holdings. 6 funds reduced their position.
Total Institutional Value
$1.30B
Total Shares Held
15,370,563
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $552.97M | 0.01% | -2.8% |
| 2 | BlackRock, Inc. | $470.99M | 0.01% | +3.9% |
| 3 | STATE STREET CORP | $128.11M | 0.00% | -1.5% |
| 4 | AQR CAPITAL MANAGEMENT LLC | $69.82M | 0.03% | +63.5% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | $29.96M | 0.01% | -40.1% |
| 6 | Gotham Asset Management, LLC | $22.19M | 0.07% | +17.8% |
| 7 | CITADEL ADVISORS LLC | $10.38M | 0.01% | -13.3% |
| 8 | FMR LLC | $6.05M | 0.00% | -1.6% |
| 9 | Bridgewater Associates, LP | $5.82M | 0.03% | -41.5% |
| 10 | Magnetar Financial LLC | $3.95M | 0.04% | +620.8% |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of AGO with a position worth $552.97M, representing 0.01% of their portfolio. In total, 12 institutional investors hold AGO with a combined value of $1.30B.
In the most recent quarter, 1 fund opened a new position in AGO. Additionally, 5 increased their holdings and 6 reduced their positions.
Institutional investors hold $1.30B worth of AGO stock across 12 positions. The largest institutional holder is VANGUARD GROUP INC with $552.97M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AGO, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AGO positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$85.36
2026-07-24
YTD
-3.8%
64% of 52-week range
