Vault-13

ASSURED GUARANTY LTD AGO

COM · Common Stock · CUSIP G0585R106

249 institutional holders
54,905,96754.9m shares reported held*
91.5% of all shares outstanding*
$2.7bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.5m this quarter). Holder counts are more reliable. Shares outstanding: 60.0m as of 2022-11-04, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $48.48. Options: 9 managers hold calls ($6.9m notional), 9 hold puts ($7.7m).

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $2.4m50.3k shares
SIMPLEX TRADING, LLC — $1.5m31.4k shares
CITADEL ADVISORS LLC — $1.4m28.7k shares
Walleye Trading LLC — $867.0k17.9k shares
JANE STREET GROUP, LLC — $426.0k8.8k shares
PEAK6 Investments LLC — $189.0k3.9k shares
Walleye Capital LLC — $82.0k1.7k shares
GROUP ONE TRADING LLC — $10.0k200 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Biggest puts

CITADEL ADVISORS LLC — $1.9m38.7k shares
D. E. Shaw & Co., Inc. — $1.8m38.1k shares
Walleye Trading LLC — $1.1m22.5k shares
PEAK6 Investments LLC — $833.0k17.2k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $649.0k13.4k shares
GROUP ONE TRADING LLC — $635.0k13.1k shares
JANE STREET GROUP, LLC — $586.0k12.1k shares
Walleye Capital LLC — $141.0k2.9k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution filed 2025-07-18 11.0% 5.4m≈ $426.6m 2025-07-18
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-28 8.8% new 4.0m≈ $316.9m 2026-04-28
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-28 5.1% new 2.3m≈ $184.2m 2026-04-28

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), WELLINGTON MANAGEMENT GROUP LLP (1.3%, 2026-02-10)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
505Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 1 sellingQ1 22: 0 buyingQ1 22: 5 sellingQ1 22Q2 22: 0 buyingQ2 22: 1 sellingQ3 22: 1 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—1$1.1m—
Q1 20220—5$7.8m—
Q2 20220—1$4.9m—
Q3 20221$292.9k0——
DateInsiderTradeSharesPrice ValueTheir holding
2022-08-05 BUZEN DAVID A. Head of Asset Management* · By Trust for Children Bought 4,000 $50.50 $202.0k4.0k shares new
2022-08-05 BUZEN DAVID A. Head of Asset Management* · By Trust for Children and Wife Bought 1,800 $50.50 $90.9k1.8k shares +18%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.01% of their portfolio New York, NY 8,285,6048.3m $401.4m $401.4m 0.01% —
2 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 7,319,4877.3m $354.6m $354.6m 0.01% —
3 PUTNAM INVESTMENTS LLC 0.67% of their portfolio BOSTON, MA 7,294,7687.3m $353.4m $353.4m 0.67% —
4 WELLINGTON MANAGEMENT GROUP LLP 0.06% of their portfolio Boston, MA 5,584,1985.6m $270.6m $270.6m 0.06% —
5 DIMENSIONAL FUND ADVISORS LP 0.08% of their portfolio AUSTIN, TX 4,276,8514.3m $207.2m $207.2m 0.08% —
6 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 2,176,7372.2m $105.5m $105.5m 0.01% —
7 KAHN BROTHERS GROUP INC 9.41% of their portfolio NEW YORK, NY 1,252,6761.3m $60.4m $60.4m 9.41% —
8 PRINCIPAL FINANCIAL GROUP INC 0.05% of their portfolio DES MOINES, IA 1,249,1691.2m $60.5m $60.5m 0.05% —
9 FULLER & THALER ASSET MANAGEMENT, INC. 0.37% of their portfolio SAN MATEO, CA 1,047,9391.0m $50.8m $50.8m 0.37% —
10 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 779,136779.1k $37.7m $37.7m 0.01% —
11 Boston Partners 0.05% of their portfolio BOSTON, MA 697,106697.1k $35.2m $35.2m 0.05% —
12 REINHART PARTNERS, LLC. 2.03% of their portfolio MEQUON, WI 679,897679.9k $32.9m $32.9m 2.03% —
13 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 640,966641.0k $31.1m $31.1m 0.00% —
14 Bank of New York Mellon Corp 0.01% of their portfolio NEW YORK, NY 587,047587.0k $28.4m $28.4m 0.01% —
15 NORGES BANK 0.01% of their portfolio OSLO, Q8 554,420554.4k $26.9m $26.9m 0.01% —
16 Philadelphia Financial Management of San Francisco, LLC 9.19% of their portfolio SAN FRANCISCO, CA 545,196545.2k $26.4m $26.4m 9.19% —
17 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 492,740492.7k $23.9m $23.9m 0.01% —
18 Alyeska Investment Group, L.P. 0.25% of their portfolio CHICAGO, IL 439,668439.7k $21.3m $21.3m 0.25% —
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 434,681434.7k $21.1m $21.1m 0.00% —
20 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 419,645419.6k $20.3m $20.3m 0.01% —
21 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 340,889340.9k $16.5m $16.5m 0.00% —
22 VICTORY CAPITAL MANAGEMENT INC 0.02% of their portfolio San Antonio, TX 336,860336.9k $16.3m $16.3m 0.02% —
23 FIRST TRUST ADVISORS LP 0.02% of their portfolio Wheaton, IL 331,338331.3k $16.1m $16.1m 0.02% —
24 MACKENZIE FINANCIAL CORP 0.03% of their portfolio TORONTO ONTARIO, A6 324,517324.5k $15.7m $15.7m 0.03% —
25 AMERIPRISE FINANCIAL INC 0.01% of their portfolio MINNEAPOLIS, MN 317,903317.9k $15.4m $15.4m 0.01% —
26 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 313,676313.7k $15.2m $15.2m 0.00% —
27 Long Focus Capital Management, LLC 3.19% of their portfolio SAN JUAN, PR 312,000312.0k $15.1m $15.1m 3.19% —
28 M Holdings Securities, Inc. 1.48% of their portfolio PORTLAND, OR 276,672276.7k $13.4m $13.4m 1.48% —
29 Clearbridge Investments, LLC 0.01% of their portfolio NEW YORK, NY 260,270260.3k $12.6m $12.6m 0.01% —
30 AQR CAPITAL MANAGEMENT LLC 0.03% of their portfolio Greenwich, CT 245,114245.1k $11.9m $11.9m 0.03% —
31 AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio KANSAS CITY, MO 242,136242.1k $11.7m $11.7m 0.01% —
32 Candriam S.C.A. 0.08% of their portfolio STRASSEN, N4 230,360230.4k $11.2m $11.2m 0.08% —
33 Legal & General Group Plc 0.00% of their portfolio London, X0 226,399226.4k $11.0m $11.0m 0.00% —
34 LSV ASSET MANAGEMENT 0.02% of their portfolio CHICAGO, IL 206,854206.9k $10.0m $10.0m 0.02% —
35 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.04% of their portfolio Los Angeles, CA 179,715179.7k $8.7m $8.7m 0.04% —
36 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 171,186171.2k $8.3m $8.3m 0.00% —
37 Brandywine Global Investment Management, LLC 0.08% of their portfolio PHILADELPHIA, PA 169,454169.5k $8.2m $8.2m 0.08% —
38 SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio London, X0 168,865168.9k $8.2m $8.2m 0.01% —
39 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 168,310168.3k $8.2m $8.2m 0.01% —
40 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 166,101166.1k $8.0m $8.0m 0.00% —
41 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 155,425155.4k $7.5m $7.5m 0.01% —
42 ROYCE & ASSOCIATES LP 0.08% of their portfolio New York, NY 152,723152.7k $7.4m $7.4m 0.08% —
43 TEGEAN CAPITAL MANAGEMENT, LLC 0.15% of their portfolio New York, NY 150,000150.0k $7.3m $7.3m 0.15% —
44 Swiss National Bank 0.01% of their portfolio ZURICH, V8 144,400144.4k $7.0m $7.0m 0.01% —
45 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 126,844126.8k $6.1m $6.1m 0.00% —
46 Sapience Investments, LLC 1.27% of their portfolio Irvine, CA 124,746124.7k $6.0m $6.0m 1.27% —
47 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 120,603120.6k $5.8m $5.8m 0.00% —
48 Man Group plc 0.03% of their portfolio LONDON, X0 119,311119.3k $5.8m $5.8m 0.03% —
49 Lombard Odier Asset Management (USA) Corp 0.82% of their portfolio New York, NY 118,669118.7k $5.8m $5.8m 0.82% —
50 FMR LLC 0.00% of their portfolio BOSTON, MA 117,915117.9k $5.7m $5.7m 0.00% —
51 Cambria Investment Management, L.P. 0.61% of their portfolio Manhattan Beach, CA 117,195117.2k $5.7m $5.7m 0.61% —
52 Public Sector Pension Investment Board 0.05% of their portfolio MONTREAL, A8 113,475113.5k $5.5m $5.5m 0.05% —
53 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 100,466100.5k $4.9m $4.9m 0.00% —
54 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 100,451100.5k $4.9m $4.9m 0.01% —
55 California Public Employees Retirement System 0.00% of their portfolio Sacramento, CA 95,49495.5k $4.6m $4.6m 0.00% —
56 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 95,18895.2k $4.6m $4.6m 0.01% —
57 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 94,86394.9k $4.6m $4.6m 0.00% —
58 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 94,09094.1k $4.6m $4.6m 0.00% —
59 Balyasny Asset Management L.P. 0.02% of their portfolio Chicago, IL 93,19193.2k $4.5m $4.5m 0.02% —
60 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 88,04888.0k $4.3m $4.3m 0.00% —
61 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio TALLAHASSEE, FL 86,26786.3k $4.2m $4.2m 0.01% —
62 Qube Research & Technologies Ltd 0.03% of their portfolio LONDON, X0 81,99282.0k $4.0m $4.0m 0.03% —
63 NFC Investments, LLC 1.04% of their portfolio MEMPHIS, TN 80,00080.0k $3.9m $3.9m 1.04% —
64 Robeco Institutional Asset Management B.V. 0.01% of their portfolio ROTTERDAM, P7 78,01978.0k $3.8m $3.8m 0.01% —
65 Brookfield Corp /ON/ 0.01% of their portfolio TORONTO, A6 77,74477.7k $3.8m $3.8m 0.01% —
66 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 76,86776.9k $3.7m $3.7m 0.01% —
67 STRS OHIO 0.02% of their portfolio COLUMBUS, OH 71,27271.3k $3.5m $3.5m 0.02% —
68 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 68,09468.1k $3.3m $3.3m 0.00% —
69 Thrivent Financial for Lutherans 0.01% of their portfolio Minneapolis, MN 63,99364.0k $3.1m $3.1m 0.01% —
70 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 60,78160.8k $2.9m $2.9m 0.00% —
71 D. E. Shaw & Co., Inc. 0.01% of their portfolio New York, NY 59,35259.4k $2.9m $2.9m 0.01% —
72 COMERICA BANK 0.03% of their portfolio DALLAS, TX 56,58056.6k $3.2m $3.2m 0.03% —
73 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.03% of their portfolio HARRISBURG, PA 56,40456.4k $2.7m $2.7m 0.03% —
74 TUDOR INVESTMENT CORP ET AL 0.07% of their portfolio STAMFORD, CT 56,17856.2k $2.7m $2.7m 0.07% —
75 EJF Capital LP 0.53% of their portfolio Arlington, VA 55,64155.6k $2.7m $2.7m 0.53% —
76 YOUSIF CAPITAL MANAGEMENT, LLC 0.04% of their portfolio BLOOMFIELD HILLS, MI 52,49252.5k $2.5m $2.5m 0.04% —
77 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 44,78844.8k $2.2m $2.2m 0.01% —
78 TEXAS PERMANENT SCHOOL FUND CORP 0.03% of their portfolio AUSTIN, TX 44,52644.5k $2.2m $2.2m 0.03% —
79 Verdence Capital Advisors LLC 0.30% of their portfolio HUNT VALLEY, MD 44,31144.3k $2.1m $2.1m 0.30% —
80 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 43,68443.7k $2.1m $2.1m 0.00% —
81 State of Alaska, Department of Revenue 0.03% of their portfolio JUNEAU, AK 42,88342.9k $2.1m $2.1m 0.03% —
82 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 42,59642.6k $2.1m $2.1m 0.00% —
83 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 41,90541.9k $2.0m $2.0m 0.00% —
84 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 38,24038.2k $1.9m $1.9m 0.00% —
85 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio ALBANY, NY 35,33535.3k $1.7m $1.7m 0.00% —
86 AMALGAMATED BANK 0.01% of their portfolio NEW YORK, NY 31,35031.4k $1.5m $1.5m 0.01% —
87 UBS Group AG 0.00% of their portfolio ZURICH, V8 30,87130.9k $1.5m $1.5m 0.00% —
88 Maryland State Retirement & Pension System 0.12% of their portfolio BALTIMORE, MD 30,05330.1k $1.5m $1.5m 0.12% —
89 Ensign Peak Advisors, Inc 0.00% of their portfolio SALT LAKE CITY, UT 30,04030.0k $1.5m $1.5m 0.00% —
90 Louisiana State Employees Retirement System 0.04% of their portfolio BATON ROUGE, LA 29,60029.6k $1.4m $1.4m 0.04% —
91 Ergoteles LLC 0.05% of their portfolio NEW YORK, NY 28,37128.4k $1.4m $1.4m 0.05% —
92 Gotham Asset Management, LLC 0.04% of their portfolio NEW YORK, NY 28,31328.3k $1.4m $1.4m 0.04% —
93 M&T Bank Corp 0.01% of their portfolio BUFFALO, NY 27,93827.9k $1.4m $1.4m 0.01% —
94 MACQUARIE GROUP LTD 0.00% of their portfolio Sydney, NSW 2000, C3 27,65527.7k $1.3m $1.3m 0.00% —
95 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 27,35327.4k $1.3m $1.3m 0.00% —
96 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 26,85526.9k $1.3m $1.3m 0.00% —
97 J.P. Morgan Private Wealth Advisors LLC 0.00% of their portfolio SAN FRANCISCO, CA 26,78326.8k $1.3m $1.3m 0.00% —
98 HANCOCK WHITNEY CORP 0.05% of their portfolio GULFPORT, MS 26,10026.1k $1.3m $1.3m 0.05% —
99 CARY STREET PARTNERS INVESTMENT ADVISORY LLC 0.10% of their portfolio RICHMOND, VA 25,50025.5k $1.2m $1.2m 0.10% —
100 Treasurer of the State of North Carolina 0.01% of their portfolio RALEIGH, NC 25,48725.5k $1.2m $1.2m 0.01% —