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AGO · Assured Guaranty Ltd

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Market Cap
$3.29B
Shares
43.98M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 371
Total Value: $3,321,991,355
Total Shares: 41,442,011
Showing 1–100 of 377 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 371 13F filers · Δ vs Mar 31, 2026
Top Holder
14.0%
Sep 2023 → Jun 2026 · range 13.3% – 14.8%
−0.1 pts
Top 5
39.3%
Sep 2023 → Jun 2026 · range 39.3% – 55.2%
−1.0 pts
Top 10
55.5%
Sep 2023 → Jun 2026 · range 55.5% – 67.1%
−0.7 pts
HHI
470
Sep 2023 → Jun 2026 · range 470 – 684
Broadly held−8

Quarterly Activity

vs Mar 31, 2026
New
58
Increased
109
Decreased
154
Sold Out
59
Unchanged
50
Holder count: -1
Institutional value: -0.8%
Shares held: +0.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 377
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1273813 CUSIP G0585R106 13F (30d) 275 filings 269 filers Visit website Investor relations