Vault-13

MBIA INC MBI

COM · Common Stock · CUSIP 55262C100

112 institutional holders -9 vs Q1 2025
23,470,86023.5m shares reported held*
46.5% of all shares outstanding*
$101.9mreported value*
8 new 44 added 35 reduced 16 sold out net sold ≈ $4.6m (-1.1m shares)

* 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 ($357.2k this quarter). Holder counts are more reliable. Shares outstanding: 50.5m as of 2025-07-31, 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 ≈ $4.34. Options: 4 managers hold calls ($387.3k notional), 4 hold puts ($249.6k).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 135Q4 22: 140Q1 23: 136Q2 23: 121Q3 23: 130Q4 23: 123Q1 24: 132Q2 24: 116Q3 24: 108Q4 24: 116Q1 25: 121Q2 25: 112112Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 2022135
Q4 2022140
Q1 2023136
Q2 2023121
Q3 2023130
Q4 2023123
Q1 2024132
Q2 2024116
Q3 2024108
Q4 2024116
Q1 2025121
Q2 2025112

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 23: 56 bought or addedQ3 23: 61 cut or sold outQ4 23: 69 bought or addedQ4 23: 65 cut or sold outQ4 23Q1 24: 63 bought or addedQ1 24: 64 cut or sold outQ2 24: 53 bought or addedQ2 24: 72 cut or sold outQ2 24Q3 24: 58 bought or addedQ3 24: 56 cut or sold outQ4 24: 52 bought or addedQ4 24: 49 cut or sold outQ4 24Q1 25: 44 bought or addedQ1 25: 59 cut or sold outQ2 25: 52 bought or addedQ2 25: 51 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20235661
Q4 20236965
Q1 20246364
Q2 20245372
Q3 20245856
Q4 20245249
Q1 20254459
Q2 20255251

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6m$8mQ3 24 calls: $1.6mQ3 24 puts: $2.7mQ3 24P/C 1.67Q4 24 calls: $3.5mQ4 24 puts: $6.1mQ4 24P/C 1.71Q1 25 calls: $1.5mQ1 25 puts: $669.1kQ1 25P/C 0.45Q2 25 calls: $387.3kQ2 25 puts: $249.6kQ2 25P/C 0.64
Numbers
QuarterCallsPutsP/C
Q3 2024$1.6m$2.7m1.67
Q4 2024$3.5m$6.1m1.71
Q1 2025$1.5m$669.1k0.45
Q2 2025$387.3k$249.6k0.64

Biggest buyers

MARSHALL WACE, LLP Added +270,192+270.2k
TCW GROUP INC Added +231,400+231.4k
CITADEL ADVISORS LLC Added +138,057+138.1k
GSA CAPITAL PARTNERS LLP Added +121,232+121.2k
VANGUARD GROUP INC Added +109,884+109.9k
ROYAL BANK OF CANADA Added +107,804+107.8k
Freestone Capital Holdings, LLC Added +99,385+99.4k
RENAISSANCE TECHNOLOGIES LLC Added +54,500+54.5k
FineMark National Bank & Trust New +50,000+50.0k
JANE STREET GROUP, LLC Added +42,669+42.7k

Biggest sellers

Wolf Hill Capital Management, LP Reduced -854,488-854.5k
UBS Group AG Reduced -330,946-330.9k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -152,052-152.1k
BlackRock, Inc. Reduced -122,358-122.4k
JTC Employer Solutions Trustee Ltd Reduced -100,000-100.0k
Trexquant Investment LP Reduced -90,422-90.4k
BANK OF AMERICA CORP /DE/ Reduced -87,292-87.3k
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC Reduced -57,740-57.7k
MORGAN STANLEY Reduced -57,446-57.4k
TWO SIGMA INVESTMENTS, LP Reduced -55,223-55.2k

Biggest calls

CITADEL ADVISORS LLC Reduced $337.7k77.8k shares
Walleye Capital LLC New $31.7k7.3k shares
SIMPLEX TRADING, LLC Reduced $18.0k4.2k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $178.4k41.1k shares
CITADEL ADVISORS LLC Reduced $70.7k16.3k shares
GROUP ONE TRADING LLC Unchanged $434100 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $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
KAHN BROTHERS GROUP INC 13G · institution new · filed 2026-08-14 8.3% new 4.2m≈ $27.5m 2026-08-14
LOWIN LEEAM 13G · exempt (held before listing) new · filed 2026-07-23 6.5% new 3.3m≈ $21.7m 2026-07-23

Fell to 5% or below in the last year: Wolf Hill Capital Management, LP (4.2%, 2026-08-13), VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q2 2025

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
202Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 1 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 1 sellingQ2 24Q3 24: 0 buyingQ3 24: 0 sellingQ4 24: 0 buyingQ4 24: 2 sellingQ4 24Q1 25: 0 buyingQ1 25: 1 sellingQ2 25: 0 buyingQ2 25: 0 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20230—1$94.0k—
Q1 20240—0——
Q2 20240—1$118.2k—
Q3 20240—0——
Q4 20240—2$153.0k—
Q1 20250—1$64.5k—
Q2 20250—0——

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 3,349,6193.3m $14.5m $14.5m 0.00% Reduced -122.4k -122,358
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,525,4292.5m $11.0m $11.0m 0.00% Added +109.9k +109,884
3 Wolf Hill Capital Management, LP 0.89% of their portfolio GREENWICH, CT 2,469,8192.5m $10.7m $10.7m 0.89% Reduced -854.5k -854,488
4 VALUEWORKS LLC 3.18% of their portfolio NEW YORK, NY 2,227,1892.2m $9.7m $9.7m 3.18% Added +21.4k +21,384
5 Hosking Partners LLP 0.27% of their portfolio LONDON, X0 1,562,0231.6m $6.8m $6.8m 0.27% Reduced -19.4k -19,372
6 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 1,043,0951.0m $4.5m $4.5m 0.00% Added +14.3k +14,336
7 TCW GROUP INC 0.03% of their portfolio LOS ANGELES, CA 1,027,9601.0m $4.5m $4.5m 0.03% Added +231.4k +231,400
8 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,024,3581.0m $4.4m $4.4m 0.00% Reduced -27.1k -27,124
9 UBS Group AG 0.00% of their portfolio ZURICH, V8 593,500593.5k $2.6m $2.6m 0.00% Reduced -330.9k -330,946
10 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 459,652459.7k $2.0m $2.0m 0.00% Reduced -57.4k -57,446
11 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 417,084417.1k $1.8m $1.8m 0.00% Reduced -8.2k -8,165
12 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 416,964417.0k $1.8m $1.8m 0.00% Added +270.2k +270,192
13 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 401,169401.2k $1.7m $1.7m 0.00% Added +138.1k +138,057
14 Freestone Capital Holdings, LLC 0.06% of their portfolio Seattle, WA 387,514387.5k $1.7m $1.7m 0.06% Added +99.4k +99,385
15 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 367,652367.7k $1.6m $1.6m 0.00% Added +8.5k +8,532
16 Chou Associates Management Inc. 0.76% of their portfolio TORONTO, A6 321,000321.0k $1.4m $1.4m 0.76% Unchanged
17 WHITEBOX ADVISORS LLC 0.04% of their portfolio MINNEAPOLIS, MN 317,106317.1k $1.4m $1.4m 0.04% Added +22.7k +22,675
18 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 280,104280.1k $1.2m $1.2m 0.00% Reduced -87.3k -87,292
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 266,030266.0k $1.2m $1.2m 0.00% Reduced -152.1k -152,052
20 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 223,739223.7k $971.0k $971.0k 0.00% Reduced -55.2k -55,223
21 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 205,039205.0k $889.9k $889.9k 0.00% Reduced -47.7k -47,668
22 JTC Employer Solutions Trustee Ltd 0.07% of their portfolio ST HELIER, Y9 180,000180.0k $782.0k $782.0k 0.07% Reduced -100.0k -100,000
23 GROUP ONE TRADING LLC 0.02% of their portfolio CHICAGO, IL 160,812160.8k $697.9k $697.9k 0.02% Reduced -11.4k -11,427
24 GSA CAPITAL PARTNERS LLP 0.05% of their portfolio LONDON, X0 154,145154.1k $669.0k $669.0k 0.05% Added +121.2k +121,232
25 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 144,056144.1k $625.2k $625.2k 0.00% Added +5.2k +5,152
26 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 134,071134.1k $581.9k $581.9k 0.00% Added +1.2k +1,163
27 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 133,600133.6k $579.8k $579.8k 0.00% Added +54.5k +54,500
28 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 120,640120.6k $523.6k $523.6k 0.00% Reduced -26.2k -26,174
29 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 119,111119.1k $516.9k $516.9k 0.00% Added +23.2k +23,227
30 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 117,054117.1k $508.0k $508.0k 0.00% Added +107.8k +107,804
31 BLUEFIN CAPITAL MANAGEMENT, LLC 0.38% of their portfolio NEW YORK, NY 113,499113.5k $492.6k $492.6k 0.38% Added +11.5k +11,457
32 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 108,614108.6k $471.4k $471.4k 0.00% Reduced -54.5k -54,457
33 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 101,449101.4k $441.0k $441.0k 0.00% Added +1.3k +1,257
34 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 99,05099.0k $429.9k $429.9k 0.00% Reduced -13.0k -13,000
35 LANARK FINANCIAL, INC. 0.03% of their portfolio BIRMINGHAM, AL 98,19798.2k $426.0k $426.0k 0.03% Added +15.3k +15,349
36 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 96,75596.8k $419.9k $419.9k 0.00% Added +42.7k +42,669
37 Caption Management, LLC 0.04% of their portfolio OKLAHOMA CITY, OK 94,60794.6k $410.6k $410.6k 0.04% Reduced -4.5k -4,489
38 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 80,00080.0k $347.2k $347.2k 0.01% Unchanged
39 Militia Capital Partners, LP 0.08% of their portfolio AUSTIN, TX 79,60079.6k $345.5k $345.5k 0.08% Added +12.6k +12,600
40 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 78,11778.1k $339.0k $339.0k 0.00% Added +654 +654
41 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 76,64076.6k $332.6k $332.6k 0.00% Added +5.7k +5,700
42 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 76,52176.5k $332.1k $332.1k 0.00% Added +31.7k +31,679
43 TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio STAMFORD, CT 73,24873.2k $317.9k $317.9k 0.00% Reduced -9.2k -9,234
44 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.01% of their portfolio BALA CYNWYD, PA 70,78870.8k $307.2k $307.2k 0.01% Reduced -57.7k -57,740
45 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 69,78969.8k $302.9k $302.9k 0.00% Added +3.6k +3,626
46 PEAK6 LLC 0.00% of their portfolio AUSTIN, TX 63,37863.4k $275.1k $275.1k 0.00% Added +13.4k +13,379
47 Trexquant Investment LP 0.00% of their portfolio STAMFORD, CT 63,06763.1k $273.7k $273.7k 0.00% Reduced -90.4k -90,422
48 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 59,61359.6k $258.7k $258.7k 0.00% Added +34.8k +34,758
49 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 58,54258.5k $254.1k $254.1k 0.00% Reduced -27.6k -27,640
50 FineMark National Bank & Trust 0.01% of their portfolio FORT MYERS, FL 50,00050.0k $217.0k $217.0k 0.01% New
51 SIMPLEX TRADING, LLC 0.01% of their portfolio CHICAGO, IL 48,18348.2k $209.0k $209.0k 0.01% Reduced -26.3k -26,348
52 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 47,82947.8k $207.6k $207.6k 0.01% Added +18.3k +18,301
53 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 46,85346.9k $203.3k $203.3k 0.00% Added +24.1k +24,115
54 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 46,32446.3k $201.0k $201.0k 0.00% Added +16.5k +16,502
55 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 41,44241.4k $179.9k $179.9k 0.00% Added +11.0k +10,989
56 FAIRVIEW CAPITAL INVESTMENT MANAGEMENT, LLC 0.01% of their portfolio Greenbrae, CA 40,80040.8k $177.1k $177.1k 0.01% Reduced -36.2k -36,200
57 Shay Capital LLC 0.04% of their portfolio NEW YORK, NY 38,79038.8k $168.3k $168.3k 0.04% Reduced -47.2k -47,210
58 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 37,04037.0k $160.8k $160.8k 0.00% Reduced -7.8k -7,795
59 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 29,65929.7k $128.7k $128.7k 0.00% Added +2.9k +2,863
60 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 29,33229.3k $127.3k $127.3k 0.00% Added +318 +318
61 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 28,10728.1k $122.0k $122.0k 0.00% Added +13.4k +13,351
62 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 26,13226.1k $113.4k $113.4k 0.00% Reduced -2.0k -2,003
63 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 25,83125.8k $112.1k $112.1k 0.00% Reduced -488 -488
64 State of Wyoming 0.01% of their portfolio CHEYENNE, WY 23,34823.3k $101.3k $101.3k 0.01% New
65 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 22,08022.1k $96.0k $96.0k 0.00% Reduced -13.9k -13,930
66 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 21,76321.8k $94.5k $94.5k 0.00% Reduced -6.2k -6,164
67 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio TALLAHASSEE, FL 17,90117.9k $77.7k $77.7k 0.00% Unchanged
68 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 17,89117.9k $77.6k $77.6k 0.00% Added +1.1k +1,147
69 WOLVERINE TRADING, LLC 0.00% of their portfolio CHICAGO, IL 17,82517.8k $77.0k $77.0k 0.00% New
70 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 17,50017.5k $76.0k $76.0k 0.00% Unchanged
71 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.00% of their portfolio DENVER, CO 16,07916.1k $70.0k $70.0k 0.00% Unchanged
72 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 15,34115.3k $66.6k $66.6k 0.00% Reduced -15.6k -15,579
73 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 13,79613.8k $59.9k $59.9k 0.00% Reduced -13.3k -13,328
74 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 13,43313.4k $58.3k $58.3k 0.00% Reduced -60 -60
75 Seelaus Asset Management LLC 0.05% of their portfolio CHATHAM, NJ 12,50012.5k $54.2k $54.2k 0.05% Unchanged
76 Mariner, LLC 0.00% of their portfolio Overland Park, KS 12,47012.5k $54.1k $54.1k 0.00% Added +110 +110
77 Choate Investment Advisors 0.00% of their portfolio BOSTON, MA 11,40011.4k $49.5k $49.5k 0.00% Unchanged
78 FMR LLC 0.00% of their portfolio BOSTON, MA 10,13410.1k $44.0k $44.0k 0.00% Added +4.9k +4,905
79 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 10,12710.1k $44.0k $44.0k 0.00% Unchanged
80 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 9,4919.5k $41.2k $41.2k 0.00% Unchanged
81 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 5,4385.4k $23.6k $23.6k 0.00% Reduced -17.0k -16,979
82 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 5,3275.3k $23.1k $23.1k 0.00% Added +1.9k +1,925
83 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 4,8504.8k $21.0k $21.0k 0.00% Unchanged
84 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 4,7164.7k $20.5k $20.5k 0.00% Added +1.8k +1,779
85 Legal & General Group Plc 0.00% of their portfolio London, X0 4,3264.3k $18.8k $18.8k 0.00% Added +458 +458
86 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 3,6023.6k $15.6k $15.6k 0.00% Unchanged
87 BESSEMER GROUP INC 0.00% of their portfolio WOODBRIDGE, NJ 2,8502.9k $12.0k $12.0k 0.00% Unchanged
88 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 2,0002.0k $8.7k $8.7k 0.00% Unchanged
89 Brooklyn Investment Group 0.00% of their portfolio NEW YORK, NY 1,7551.8k $7.6k $7.6k 0.00% New
90 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 1,6511.7k $7.0k $7.0k 0.00% Unchanged
91 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 1,3511.4k $5.9k $5.9k 0.00% Added +754 +754
92 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 1,2611.3k $5.5k $5.5k 0.00% Added +491 +491
93 Headlands Technologies LLC 0.00% of their portfolio CHICAGO, IL 908908 $3.9k $3.9k 0.00% Added +863 +863
94 Versant Capital Management, Inc 0.00% of their portfolio PHOENIX, AZ 836836 $3.6k $3.6k 0.00% New
95 WealthCollab, LLC 0.00% of their portfolio BELLEVUE, WA 305305 $1.3k $1.3k 0.00% Unchanged
96 EASTERN BANK 0.00% of their portfolio BOSTON, MA 300300 $1.3k $1.3k 0.00% Unchanged
97 MAI Capital Management 0.00% of their portfolio INDEPENDENCE, OH 250250 $1.1k $1.1k 0.00% Unchanged
98 Fortitude Family Office, LLC 0.00% of their portfolio SCOTTSDALE, AZ 221221 $959 $959 0.00% New
99 FNY Investment Advisers, LLC 0.00% of their portfolio NEW YORK, NY 180180 $0 $0 0.00% Added +10 +10
100 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 138138 $599 $599 0.00% Unchanged