Security Snapshot

ASSURED GUARANTY LTD - Common Stock (AGO) Institutional Ownership

CUSIP: G0585R106

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

362

Shares (Excl. Options)

40,679,227

Price

$81.48

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Type / Class
Equity / Common Stock
Symbol
AGO on NYSE
Shares outstanding
44,867,991
Price per share
$82.44
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
40,679,227
Total reported value
$3,314,423,457
% of total 13F portfolios
0%
Share change
-363,828
Value change
-$38,344,721
Number of holders
362
Price from insider filings
$82.44
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • AGO - ASSURED GUARANTY LTD - Common Stock is tracked under CUSIP G0585R106.
  • 362 institutions reported positions in Q1 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 362 to 362 between Q4 2025 and Q1 2026.
  • Reported value moved from $3,720,880,097 to $3,314,423,457.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 362 institutions filings for Q1 2026.

Open SEC Evidence

Investment Quick Answers

What is CUSIP G0585R106?
CUSIP G0585R106 identifies AGO - ASSURED GUARANTY LTD - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.

Significant Owners of ASSURED GUARANTY LTD - Common Stock (AGO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 11% $468,232,877 5,375,808 BlackRock, Inc. 30 Jun 2025
VANGUARD PORTFOLIO MANAGEMENT LLC 8.8% $322,079,848 3,952,870 Vanguard Portfolio Management 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC 5.1% $187,218,292 2,297,718 Vanguard Capital Management 31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP 1.3% -78% $55,160,588 -$210,219,410 613,782 -79% Wellington Management Group LLP 31 Dec 2025
FRANKLIN RESOURCES INC 1% $43,382,436 488,651 Franklin Resources, Inc. 30 Sep 2024

As of 31 Mar 2026, 362 institutional investors reported holding 40,679,227 shares of ASSURED GUARANTY LTD - Common Stock (AGO). This represents 91% of the company’s total 44,867,991 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ASSURED GUARANTY LTD - Common Stock (AGO) together control 70% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 13% 5,780,463 +3.9% 0.01% $470,992,116
VANGUARD PORTFOLIO MANAGEMENT LLC 8.7% 3,925,791 0% 0.02% $319,873,451
DIMENSIONAL FUND ADVISORS LP 6.7% 3,011,751 -4.5% 0.05% $245,394,330
VANGUARD CAPITAL MANAGEMENT LLC 4.4% 1,965,693 0% 0% $160,164,666
River Road Asset Management, LLC 4.2% 1,891,378 +0.29% 1.7% $154,109,479
STATE STREET CORP 3.5% 1,572,236 -1.5% 0% $128,105,789
FIRST TRUST ADVISORS LP 3% 1,356,635 -7.3% 0.08% $110,538,619
AMERICAN CENTURY COMPANIES INC 2.9% 1,316,129 +8.6% 0.06% $107,238,191
REINHART PARTNERS, LLC. 2.9% 1,287,173 +1.9% 3% $104,880,088
ROYCE & ASSOCIATES LP 2.2% 982,147 -0.13% 0.79% $80,025,338
AQR CAPITAL MANAGEMENT LLC 1.9% 860,440 +64% 0.03% $69,816,117
FULLER & THALER ASSET MANAGEMENT, INC. 1.9% 849,653 -3.7% 0.23% $69,229,732
PRINCIPAL FINANCIAL GROUP INC 1.7% 780,573 -3.1% 0.03% $63,601,600
GEODE CAPITAL MANAGEMENT, LLC 1.6% 734,344 -3.9% 0% $59,849,916
Boston Partners 1.3% 575,890 -25% 0.05% $46,888,410
GOLDMAN SACHS GROUP INC 1.3% 571,350 +33% 0.01% $46,553,599
MORGAN STANLEY 1.3% 570,014 -4.2% 0% $46,444,835
TWO SIGMA INVESTMENTS, LP 1.2% 523,381 +63% 0.04% $42,645,084
Quantinno Capital Management LP 1.1% 499,347 +33% 0.07% $40,686,822
NORTHERN TRUST CORP 1% 448,294 +0.28% 0% $36,526,996
RAYMOND JAMES FINANCIAL INC 0.93% 416,019 -17% 0.01% $33,719,689
BROWN ADVISORY INC 0.9% 404,935 -7.3% 0.05% $32,994,034
FRANKLIN RESOURCES INC 0.86% 384,457 +41% 0.01% $31,325,556
Long Focus Capital Management, LLC 0.85% 380,000 0% 1.4% $30,962,400
WELLINGTON MANAGEMENT GROUP LLP 0.82% 367,675 -40% 0.01% $29,958,159

Institutional Holders of ASSURED GUARANTY LTD - Common Stock (AGO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 40,679,227 $3,314,423,457 -$38,344,721 $81.48 362
2025 Q4 41,408,839 $3,720,880,097 -$138,645,748 $89.87 362
2025 Q3 42,888,042 $3,629,984,528 -$144,684,477 $84.65 334
2025 Q2 44,733,051 $3,891,430,718 -$39,362,965 $87.10 349
2025 Q1 45,196,038 $3,980,316,814 -$114,384,797 $88.10 327
2024 Q4 46,810,367 $4,212,013,117 +$39,254,101 $90.01 322
2024 Q3 46,644,230 $3,717,669,570 -$112,827,074 $79.52 321
2024 Q2 48,244,624 $3,722,920,076 -$162,510,004 $77.15 323
2024 Q1 50,092,869 $4,368,557,520 +$351,525,468 $87.25 331
2023 Q4 51,120,670 $3,826,190,886 -$70,001,697 $74.83 280
2023 Q3 52,104,998 $3,153,254,827 -$29,125,082 $60.52 255
2023 Q2 52,689,346 $2,939,542,708 -$23,733,628 $55.80 263
2023 Q1 53,197,807 $2,674,912,640 -$3,269,988 $50.27 259
2022 Q4 52,862,024 $3,290,900,438 -$112,152,134 $62.26 259
2022 Q3 54,854,519 $2,659,236,857 -$120,781,358 $48.45 241
2022 Q2 57,196,894 $3,191,485,601 -$135,975,378 $55.79 251
2022 Q1 60,070,407 $3,822,445,809 -$165,329,522 $63.66 255
2021 Q4 62,640,121 $3,144,422,581 -$180,382,378 $50.20 254
2021 Q3 65,644,013 $3,074,008,373 -$146,032,717 $46.81 238
2021 Q2 69,074,667 $3,279,324,277 -$87,276,941 $47.48 227
2021 Q1 70,685,809 $2,990,598,812 -$151,886,217 $42.28 239
2020 Q4 74,857,903 $2,357,398,461 +$56,555,405 $31.49 221
2020 Q3 74,362,956 $1,595,811,591 -$59,614,445 $21.48 195
2020 Q2 77,163,247 $1,881,329,011 -$141,577,811 $24.41 207
2020 Q1 82,809,477 $2,135,712,871 -$212,331,086 $25.79 230
2019 Q4 88,445,728 $4,325,558,222 -$210,033,051 $49.02 276
2019 Q3 93,416,083 $4,146,038,969 -$190,014,430 $44.46 270
2019 Q2 97,825,872 $4,103,870,145 -$13,822,900 $42.08 267
2019 Q1 99,143,071 $4,395,215,218 -$55,641,027 $44.43 276
2018 Q4 100,559,310 $3,844,316,118 -$154,242,302 $38.28 282
2018 Q3 103,200,014 $4,356,410,606 -$103,398,293 $42.23 279
2018 Q2 105,505,496 $3,770,170,930 -$181,505,838 $35.73 271
2018 Q1 110,556,779 $3,999,631,442 -$71,915,022 $36.20 267
2017 Q4 113,813,156 $3,851,421,225 -$64,489,341 $33.87 272
2017 Q3 113,923,256 $4,302,886,701 -$108,098,283 $37.75 272
2017 Q2 116,505,178 $4,863,635,314 -$53,821,671 $41.74 270
2017 Q1 118,097,647 $4,382,562,800 +$94,813,772 $37.11 269
2016 Q4 121,831,131 $4,601,410,438 -$76,927,642 $37.77 273
2016 Q3 124,750,349 $3,459,795,726 -$95,797,257 $27.75 255
2016 Q2 128,365,450 $3,256,620,761 -$8,604,653 $25.37 248
2016 Q1 129,009,240 $3,263,686,356 -$164,400,495 $25.30 252
2015 Q4 136,557,625 $3,609,692,394 -$110,553,715 $26.43 257
2015 Q3 141,339,068 $3,531,114,450 -$180,687,286 $25.00 238
2015 Q2 149,105,146 $3,576,379,372 +$29,833,688 $23.99 253
2015 Q1 147,115,678 $3,877,849,539 -$142,349,757 $26.39 240
2014 Q4 152,665,125 $3,967,666,928 -$47,239,518 $25.99 247
2014 Q3 155,648,173 $3,449,302,244 -$199,270,635 $22.16 232
2014 Q2 164,494,055 $4,030,135,889 -$170,488,994 $24.50 242
2014 Q1 171,045,302 $4,330,426,189 +$43,840,797 $25.32 231
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