13F Insight
DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex

ASSURED GUARANTY LTD

379 institutions still hold ASSURED GUARANTY LTD as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0585R106·379 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 6.8%
vs prior quarter
13F value held
$2.4B
78.0% inst. owned
of float
Holders
379
+67 QoQ
filers reporting
Activity
+60 / −28
+827 added · −880 reduced
this quarter
Concentration
19.57%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

379 institutions reported ASSURED GUARANTY LTD in Q1 2026. BlackRock, Inc. leads at 19.6% of the visible book. +67 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$471M5.8M0.01%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$320M3.9M0.02%Q1 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$245M3.0M0.05%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$160M2.0M0.00%Q1 202605
River Road Asset Management, LLC
CIK 0001341401
$154M1.9M1.75%Q1 202606
STATE STREET CORP
CIK 0000093751
$128M1.6M0.00%Q1 202607
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$111M1.4M0.08%Q1 202608
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$107M1.3M0.06%Q1 202609
REINHART PARTNERS, LLC.
CIK 0001080298
$105M1.3M3.02%Q1 202610
ROYCE & ASSOCIATES LP
CIK 0000906304
$80M982K0.79%Q1 202611
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$70M860K0.03%Q1 202612
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$69M850K0.23%Q1 202613
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$64M781K0.03%Q1 202614
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$60M734K0.00%Q1 202615
Boston Partners
CIK 0001386060
$47M576K0.05%Q1 202616
GOLDMAN SACHS GROUP INC
CIK 0000886982
$47M571K0.01%Q1 202617
MORGAN STANLEY
CIK 0000895421
$46M570K0.00%Q1 202618
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$43M523K0.03%Q1 202619
Quantinno Capital Management LP
CIK 0001759654
$41M499K0.07%Q1 202620
BROWN ADVISORY INC
CIK 0001345929
$39M437K0.05%Q4 2025
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