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Assured Guaranty Ltd

AGO
Exchange
NYSE
Industry
Surety Insurance
SEC CIK
0001273813

No open-market purchases or sales by Assured Guaranty Ltd insiders were filed in the last 90 days; 370 institutions reported holding it in 13F filings for Q2 2026, worth $3.31B in total; Chou Associates is the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in Assured Guaranty Ltd as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
371
+16 vs. Q4 2025
Shares held
41.0M
+6.53M (+19.0%) vs. Q4 2025
Total value
$3.34B
+$243.6M (+7.9%) vs. Q4 2025
New holders
63
139 more added
Sold out
47
117 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AGO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 371 institutions
Q1 2021: 245 institutionsQ2 2021: 232 institutionsQ3 2021: 241 institutionsQ4 2021: 260 institutionsQ1 2022: 264 institutionsQ2 2022: 256 institutionsQ3 2022: 248 institutionsQ4 2022: 264 institutionsQ1 2023: 264 institutionsQ2 2023: 264 institutionsQ3 2023: 257 institutionsQ4 2023: 282 institutionsQ1 2024: 332 institutionsQ2 2024: 324 institutionsQ3 2024: 322 institutionsQ4 2024: 322 institutionsQ1 2025: 331 institutionsQ2 2025: 350 institutionsQ3 2025: 336 institutionsQ4 2025: 363 institutionsQ1 2026: 371 institutionsQ2 2026: 370 institutions
Value heldQ1 2026: $3.34B
Q1 2021: $3.00BQ2 2021: $3.28BQ3 2021: $3.07BQ4 2021: $3.14BQ1 2022: $3.82BQ2 2022: $3.19BQ3 2022: $2.66BQ4 2022: $3.29BQ1 2023: $2.68BQ2 2023: $2.94BQ3 2023: $3.15BQ4 2023: $3.83BQ1 2024: $4.37BQ2 2024: $3.72BQ3 2024: $3.72BQ4 2024: $4.21BQ1 2025: $4.12BQ2 2025: $3.88BQ3 2025: $3.63BQ4 2025: $3.72BQ1 2026: $3.34BQ2 2026: $3.31B
Institutions holding AGO and their total value by quarter
QuarterHoldersValue
Q2 2026370$3.31B
Q1 2026371$3.34B
Q4 2025363$3.72B
Q3 2025336$3.63B
Q2 2025350$3.88B
Q1 2025331$4.12B
Q4 2024322$4.21B
Q3 2024322$3.72B
Q2 2024324$3.72B
Q1 2024332$4.37B
Q4 2023282$3.83B
Q3 2023257$3.15B
Q2 2023264$2.94B
Q1 2023264$2.68B
Q4 2022264$3.29B
Q3 2022248$2.66B
Q2 2022256$3.19B
Q1 2022264$3.82B
Q4 2021260$3.14B
Q3 2021241$3.07B
Q2 2021232$3.28B
Q1 2021245$3.00B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Assured Guaranty Ltd; share changes are against Q4 2025.

Institutions holding AGO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,780,463$471.0M0.01%+218,119+3.9%Added
Vanguard Portfolio Management LLC3,925,791$319.9M0.02%+3,925,791New
Dimensional Fund Advisors LP3,011,751$245.4M0.05%−141,932−4.5%Reduced
Vanguard Capital Management LLC1,965,693$160.2M0.00%+1,965,693New
River Road Asset Management, LLC1,891,378$154.1M1.75%+5,515+0.3%Added
State Street Corp1,572,236$128.1M0.00%−24,400−1.5%Reduced
First Trust Advisors LP1,356,635$110.5M0.08%−107,584−7.3%Reduced
American Century Companies Inc1,316,129$107.2M0.06%+103,974+8.6%Added
Reinhart Partners, Inc.1,287,173$104.9M3.01%+24,475+1.9%Added
Royce & Associates LP982,147$80.0M0.79%−1,238−0.1%Reduced
AQR Capital Management LLC860,440$69.8M0.03%+334,306+63.5%Added
Fuller & Thaler Asset Management, Inc.849,653$69.2M0.23%−32,250−3.7%Reduced
Principal Financial Group Inc780,573$63.6M0.03%−25,376−3.1%Reduced
Geode Capital Management, LLC734,344$59.8M0.00%−29,759−3.9%Reduced
Boston Partners575,890$46.9M0.05%−190,761−24.9%Reduced
Goldman Sachs Group Inc571,350$46.6M0.01%+142,524+33.2%Added
Morgan Stanley570,014$46.4M0.00%−24,920−4.2%Reduced
Two Sigma Investments, LP523,381$42.6M0.04%+202,982+63.4%Added
Quantinno Capital Management LP499,347$40.7M0.07%+123,672+32.9%Added
Northern Trust Corp448,294$36.5M0.00%+1,249+0.3%Added
Raymond James Financial Inc416,019$33.7M0.01%−83,492−16.7%Reduced
Brown Advisory Inc404,935$33.0M0.05%−31,814−7.3%Reduced
Franklin Resources Inc384,457$31.3M0.01%+111,974+41.1%Added
Long Focus Capital Management, LLC380,000$31.0M1.36%00.0%Unchanged
Wellington Management Group LLP367,675$30.0M0.01%−246,107−40.1%Reduced
Charles Schwab Investment Management Inc364,454$29.7M0.00%+48,202+15.2%Added
Bank of America Corp359,800$29.3M0.00%+89,979+33.3%Added
Qube Research & Technologies Ltd332,380$27.1M0.04%−72,621−17.9%Reduced
Bank of New York Mellon Corp298,203$24.3M0.00%−10,273−3.3%Reduced
Gotham Asset Management, LLC272,383$22.2M0.07%+41,207+17.8%Added
Vanguard Fiduciary Trust Co269,593$22.0M0.01%+269,593New
Arrowstreet Capital, Limited Partnership254,471$20.7M0.01%−3,923−1.5%Reduced
Pine Valley Investments Ltd Liability Co253,436$20.6M1.00%−49,521−16.3%Reduced
Gendell Jeffrey L245,422$20.0M0.27%+245,422New
Barclays PLC242,239$19.7M0.01%+91,719+60.9%Added
Man Group plc203,916$16.6M0.03%+109,026+114.9%Added
Invesco Ltd.197,390$16.1M0.00%+3,262+1.7%Added
Public Sector Pension Investment Board188,155$15.3M0.05%+9,709+5.4%Added
BNP Paribas Arbitrage, SA171,385$14.0M0.01%+28,982+20.4%Added
LRI Investments, LLC170,065$13.9M1.23%−126,681−42.7%Reduced
UBS Group AG159,480$13.0M0.00%−25,645−13.9%Reduced
UBS Asset Management Americas Inc145,519$11.9M0.00%−1,121−0.8%Reduced
SG Americas Securities, LLC135,233$11.0M0.01%+63,111+87.5%Added
Allianz Asset Management GmbH132,287$10.8M0.01%+20,667+18.5%Added
D. E. Shaw & Co., Inc.131,959$10.8M0.01%−19,491−12.9%Reduced
Russell Investments Group, Ltd.130,902$10.7M0.01%+5,122+4.1%Added
Ameriprise Financial Inc130,456$10.6M0.00%−192,675−59.6%Reduced
Citadel Advisors LLC127,366$10.4M0.01%−19,469−13.3%Reduced
California Public Employees Retirement System127,000$10.3M0.01%−4,481−3.4%Reduced
Victory Capital Management Inc125,592$10.2M0.01%+28,874+29.9%Added
Clearbridge Investments, LLC122,572$9.99M0.01%−3,591−2.8%Reduced
Cambria Investment Management, L.P.110,657$9.02M0.50%+16,884+18.0%Added
Wells Fargo & Company109,651$8.93M0.00%+957+0.9%Added
Rhumbline Advisers106,498$8.68M0.01%+1,774+1.7%Added
Legal & General Group Plc101,519$8.27M0.00%−10,680−9.5%Reduced
Robeco Institutional Asset Management B.V.95,099$7.75M0.01%−2,016−2.1%Reduced
Envestnet Asset Management Inc94,410$7.69M0.00%+19,708+26.4%Added
JPMorgan Chase & Co95,210$7.66M0.00%−10,126−9.6%Reduced
HSBC Holdings PLC88,939$7.27M0.00%+37,946+74.4%Added
Capitolis Liquid Global Markets LLC86,900$7.08M0.05%+86,900New
Swiss National Bank86,600$7.06M0.00%−2,600−2.9%Reduced
Nuveen, LLC83,069$6.77M0.00%+1,382+1.7%Added
CBOE Vest Financial, LLC80,588$6.57M0.08%+11,745+17.1%Added
Teacher Retirement System of Texas79,473$6.48M0.03%+79,473New
Manufacturers Life Insurance Company, The79,069$6.44M0.01%−917−1.1%Reduced
Hotchkis & Wiley Capital Management LLC79,045$6.44M0.02%−1,240−1.5%Reduced
FMR LLC74,226$6.05M0.00%−1,202−1.6%Reduced
CI Private Wealth, LLC74,358$5.84M0.01%+49,624+200.6%Added
Bridgewater Associates, LP71,447$5.82M0.03%−50,698−41.5%Reduced
Trexquant Investment LP61,743$5.03M0.04%−8,386−12.0%Reduced
EULAV Asset Management60,000$4.89M0.16%00.0%Unchanged
Bank of Nova Scotia59,909$4.88M0.01%+59,909New
State Board of Administration of Florida Retirement System58,258$4.75M0.01%−5,174−8.2%Reduced
Amundi56,510$4.60M0.00%+1,656+3.0%Added
Cerity Partners LLC54,529$4.44M0.01%−1,738−3.1%Reduced
Alliancebernstein L.P.49,101$4.41M0.00%−33,781−40.8%Reduced
Stifel Financial Corp53,025$4.32M0.00%+3,678+7.5%Added
California State Teachers Retirement System49,603$4.04M0.00%+6,848+16.0%Added
Magnetar Financial LLC48,431$3.95M0.04%+41,712+620.8%Added
XTX Topco Ltd47,342$3.86M0.07%+12,071+34.2%Added
Capital Fund Management S.A.42,753$3.48M0.03%−5,295−11.0%Reduced
SEI Investments Co40,487$3.30M0.00%+14,361+55.0%Added
Price T Rowe Associates Inc40,366$3.29M0.00%+1,689+4.4%Added
De Lisle Partners LLP39,721$3.24M0.39%−10,000−20.1%Reduced
Vanguard Global Advisers, LLC39,343$3.21M0.00%+39,343New
Vanguard Asset Management, Ltd39,119$3.19M0.00%+39,119New
Hillsdale Investment Management Inc.37,800$3.08M0.08%+37,800New
State of Wisconsin Investment Board36,898$3.01M0.01%−2,256−5.8%Reduced
Virginia Retirement Systems Et Al35,150$2.86M0.02%+3,700+11.8%Added
VELA Investment Management, LLC34,892$2.84M0.73%+341+1.0%Added
Harbor Capital Advisors, Inc.33,836$2.76M0.22%+5,778+20.6%Added
Wealth Enhancement Advisory Services, LLC31,161$2.53M0.01%−3,810−10.9%Reduced
Tudor Investment Corp Et Al30,263$2.47M0.01%−92,358−75.3%Reduced
New York State Common Retirement Fund29,303$2.39M0.00%−2,500−7.9%Reduced
Natixis29,135$2.37M0.01%+29,135New
Verdence Capital Advisors LLC28,982$2.36M0.14%00.0%Unchanged
State of New Jersey Common Pension Fund D25,930$2.11M0.01%+1,685+6.9%Added
Hancock Whitney Corp25,197$2.06M0.04%00.0%Unchanged
Colony Group, LLC24,970$2.04M0.00%+1,320+5.6%Added
Citigroup Inc23,978$1.95M0.00%−723−2.9%Reduced