Vault-13

MBIA INC MBI

COM · Common Stock · CUSIP 55262C100

140 institutional holders +5 vs Q3 2022
31,764,25931.8m shares reported held*
57.9% of all shares outstanding*
$408.2mreported value*
22 new 52 added 40 reduced 19 sold out net sold ≈ $26.1m (-2.0m 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 ($945.6k this quarter). Holder counts are more reliable. Shares outstanding: 54.9m as of 2022-10-26, 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 ≈ $12.85. Options: 12 managers hold calls ($8.8m notional), 6 hold puts ($2.0m).

Trends to Q4 2022

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 135Q4 22: 140140Q3 22Q4 22
Numbers
QuarterHolders
Q3 2022135
Q4 2022140

Calls vs puts

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

CallsPuts
$0$5m$10m$15m$20mQ3 22 calls: $19.7mQ3 22 puts: $4.0mQ3 22P/C 0.21Q4 22 calls: $8.8mQ4 22 puts: $2.0mQ4 22P/C 0.22
Numbers
QuarterCallsPutsP/C
Q3 2022$19.7m$4.0m0.21
Q4 2022$8.8m$2.0m0.22

Biggest buyers

MILLENNIUM MANAGEMENT LLC Added +563,298+563.3k
Madison Avenue Partners, LP New +331,509+331.5k
Hosking Partners LLP Added +324,519+324.5k
CANTOR FITZGERALD, L. P. New +200,000+200.0k
HSBC HOLDINGS PLC New +199,086+199.1k
TWO SIGMA INVESTMENTS, LP Added +195,002+195.0k
BlackRock Inc. Added +140,393+140.4k
Shay Capital LLC Added +106,182+106.2k
BANK OF MONTREAL /CAN/ New +97,694+97.7k
TWO SIGMA ADVISERS, LP Added +97,600+97.6k

Biggest sellers

Ninety One UK Ltd Sold out -2,420,545-2.4m
WELLINGTON MANAGEMENT GROUP LLP Sold out -575,701-575.7k
MORGAN STANLEY Reduced -541,389-541.4k
DIMENSIONAL FUND ADVISORS LP Reduced -363,810-363.8k
MANGROVE PARTNERS IM, LLC Sold out -348,099-348.1k
Newtyn Management, LLC Reduced -180,969-181.0k
GROUP ONE TRADING LLC Reduced -167,175-167.2k
Versor Investments LP Sold out -123,900-123.9k
GOLDMAN SACHS GROUP INC Reduced -109,116-109.1k
J.P. Morgan Private Wealth Advisors LLC Sold out -74,786-74.8k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $2.0m154.9k shares
CITADEL ADVISORS LLC Reduced $1.9m145.6k shares
Shay Capital LLC Added $1.6m121.4k shares
SIMPLEX TRADING, LLC Reduced $895.0k69.7k shares
JANE STREET GROUP, LLC Reduced $611.7k47.6k shares
DRW Securities, LLC First filing $594.0k46.2k shares
JPMORGAN CHASE & CO New $514.0k40.0k shares
GROUP ONE TRADING LLC Reduced $470.3k36.6k shares
WOLVERINE TRADING, LLC Reduced $227.0k17.7k shares
COWEN AND COMPANY, LLC New $18.5k15.4k shares

Biggest puts

CITADEL ADVISORS LLC Added $1.0m79.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $609.1k47.4k shares
GROUP ONE TRADING LLC Reduced $186.3k14.5k shares
SIMPLEX TRADING, LLC Reduced $93.0k7.3k shares
COWEN AND COMPANY, LLC New $52.7k222.7k 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 Q4 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
101Q1 21: 0 buyingQ1 21: 0 sellingQ2 21: 0 buyingQ2 21: 0 sellingQ2 21Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 0 sellingQ4 21Q1 22: 0 buyingQ1 22: 0 sellingQ2 22: 0 buyingQ2 22: 1 sellingQ2 22Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 0 sellingQ4 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—0——
Q1 20220—0——
Q2 20220—1$1.3m—
Q3 20220—0——
Q4 20220—0——

None reported in Q4 2022.

Holders, Q4 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 KAHN BROTHERS GROUP INC 8.15% of their portfolio NEW YORK, NY 4,817,2824.8m $61.9m $61.9m 8.15% Added +6.8k +6,808
2 BlackRock Inc. 0.00% of their portfolio New York, NY 3,432,1373.4m $44.1m $44.1m 0.00% Added +140.4k +140,393
3 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 2,909,7032.9m $37.4m $37.4m 0.01% Reduced -363.8k -363,810
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,457,9742.5m $31.6m $31.6m 0.00% Added +8.7k +8,687
5 Hosking Partners LLP 1.11% of their portfolio LONDON, X0 2,141,4072.1m $27.5m $27.5m 1.11% Added +324.5k +324,519
6 LONDON CO OF VIRGINIA 0.12% of their portfolio RICHMOND, VA 1,591,0891.6m $20.4m $20.4m 0.12% Reduced -22.7k -22,727
7 Newtyn Management, LLC 3.54% of their portfolio NEW YORK, NY 1,335,0341.3m $17.2m $17.2m 3.54% Reduced -181.0k -180,969
8 VALUEWORKS LLC 4.98% of their portfolio NEW YORK, NY 1,096,3501.1m $14.1m $14.1m 4.98% Added +6.5k +6,475
9 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,017,7301.0m $13.1m $13.1m 0.00% Reduced -16.9k -16,949
10 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 879,995880.0k $11.3m $11.3m 0.00% Added +37.2k +37,220
11 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 832,872832.9k $10.7m $10.7m 0.01% Added +563.3k +563,298
12 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 671,622671.6k $8.6m $8.6m 0.00% Reduced -26.8k -26,789
13 Wolf Hill Capital Management, LP 1.54% of their portfolio GREENWICH, CT 565,351565.4k $7.3m $7.3m 1.54% Reduced -10.2k -10,163
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 534,481534.5k $6.9m $6.9m 0.00% Added +14.8k +14,762
15 HIGHLAND PEAK CAPITAL, LLC 4.96% of their portfolio OLD GREENWICH, CT 427,239427.2k $5.5m $5.5m 4.96% First filing
16 Davidson Kempner Capital Management LP 0.10% of their portfolio New York, NY 370,000370.0k $4.8m $4.8m 0.10% Not comparable
17 Madison Avenue Partners, LP 0.75% of their portfolio NEW YORK, NY 331,509331.5k $4.3m $4.3m 0.75% New
18 JTC Employer Solutions Trustee Ltd 0.31% of their portfolio ST HELIER, Y9 281,500281.5k $3.6m $3.6m 0.31% Unchanged
19 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 236,161236.2k $3.0m $3.0m 0.01% Added +195.0k +195,002
20 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 214,787214.8k $2.8m $2.8m 0.00% Added +529 +529
21 CANTOR FITZGERALD, L. P. 0.06% of their portfolio NEW YORK, NY 200,000200.0k $2.6m $2.6m 0.06% New
22 Chou Associates Management Inc. 3.62% of their portfolio TORONTO, A6 199,530199.5k $2.6m $2.6m 3.62% Unchanged
23 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 199,086199.1k $2.5m $2.5m 0.00% New
24 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 187,802187.8k $2.4m $2.4m 0.00% Added +24.2k +24,179
25 WHITEBOX ADVISORS LLC 0.09% of their portfolio MINNEAPOLIS, MN 180,177180.2k $2.3m $2.3m 0.09% Added +20.0k +20,000
26 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 178,771178.8k $2.3m $2.3m 0.00% Added +7.4k +7,363
27 COWEN AND COMPANY, LLC 0.24% of their portfolio NEW YORK, NY 177,296177.3k $2.3m $2.3m 0.24% Added +68.0k +67,998
28 BOOTHBAY FUND MANAGEMENT, LLC 0.07% of their portfolio NEW YORK, NY 172,275172.3k $2.2m $2.2m 0.07% Reduced -46.7k -46,708
29 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 171,074171.1k $2.2m $2.2m 0.00% Added +89.7k +89,700
30 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 167,287167.3k $2.1m $2.1m 0.00% Added +2.2k +2,154
31 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 166,856166.9k $2.1m $2.1m 0.00% Reduced -14.5k -14,520
32 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 165,409165.4k $2.1m $2.1m 0.00% Reduced -109.1k -109,116
33 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 164,984165.0k $2.1m $2.1m 0.00% Reduced -20.4k -20,421
34 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 162,583162.6k $2.1m $2.1m 0.00% Reduced -541.4k -541,389
35 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 135,250135.2k $1.7m $1.7m 0.00% Added +97.6k +97,600
36 Shay Capital LLC 0.93% of their portfolio NEW YORK, NY 118,682118.7k $1.5m $1.5m 0.93% Added +106.2k +106,182
37 TUDOR INVESTMENT CORP ET AL 0.04% of their portfolio STAMFORD, CT 116,314116.3k $1.5m $1.5m 0.04% Added +75.1k +75,103
38 Swiss National Bank 0.00% of their portfolio ZURICH, V8 112,600112.6k $1.4m $1.4m 0.00% Added +2.0k +2,000
39 WINTON GROUP Ltd 0.09% of their portfolio LONDON, X0 110,222110.2k $1.4m $1.4m 0.09% Added +29.2k +29,164
40 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 97,69497.7k $1.3m $1.3m 0.00% New
41 Quinn Opportunity Partners LLC 0.15% of their portfolio CHARLOTTESVILLE, VA 90,90990.9k $1.2m $1.2m 0.15% New
42 SIMPLEX TRADING, LLC 0.06% of their portfolio CHICAGO, IL 89,98490.0k $1.2m $1.2m 0.06% Added +30.0k +30,045
43 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 85,84785.8k $1.1m $1.1m 0.00% Reduced -4.1k -4,098
44 PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio BOSTON, MA 80,00180.0k $1.0m $1.0m 0.01% New
45 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 75,95376.0k $976.0k $976.0k 0.00% Reduced -4.8k -4,781
46 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 74,63074.6k $959.0k $959.0k 0.00% Added +501 +501
47 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 73,00073.0k $938.0k $938.0k 0.00% New
48 Cubist Systematic Strategies, LLC 0.01% of their portfolio STAMFORD, CT 70,94870.9k $911.7k $911.7k 0.01% New
49 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 70,07470.1k $900.5k $900.5k 0.00% Added +10.8k +10,793
50 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 64,35964.4k $827.0k $827.0k 0.00% Added +3.8k +3,800
51 Ergoteles LLC 0.03% of their portfolio NEW YORK, NY 63,14763.1k $811.4k $811.4k 0.03% New
52 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 59,70059.7k $767.1k $767.1k 0.00% Added +621 +621
53 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 56,26456.3k $723.0k $723.0k 0.00% Added +18.4k +18,432
54 VELA Investment Management, LLC 0.34% of their portfolio NEW ALBANY, OH 53,18453.2k $683.4k $683.4k 0.34% Added +3.3k +3,276
55 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 53,12453.1k $683.0k $683.0k 0.00% Reduced -6.6k -6,617
56 ALGERT GLOBAL LLC 0.04% of their portfolio SAN FRANCISCO, CA 52,62852.6k $676.3k $676.3k 0.04% Reduced -23.1k -23,100
57 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 51,52351.5k $662.1k $662.1k 0.00% New
58 Lombard Odier Asset Management (USA) Corp 0.11% of their portfolio New York, NY 50,61250.6k $650.4k $650.4k 0.11% Reduced -5.0k -5,000
59 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 50,22250.2k $645.4k $645.4k 0.00% Added +8.9k +8,888
60 GSA CAPITAL PARTNERS LLP 0.08% of their portfolio LONDON, X0 47,75247.8k $614.0k $614.0k 0.08% Reduced -25.8k -25,782
61 ETF MANAGERS GROUP, LLC 0.03% of their portfolio Summit, NJ 46,20346.2k $593.7k $593.7k 0.03% Added +1.7k +1,682
62 PEAK6 Investments LLC 0.03% of their portfolio CHICAGO, IL 45,79445.8k $588.5k $588.5k 0.03% Added +4.0k +4,006
63 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 42,09342.1k $540.9k $540.9k 0.00% First filing
64 Belvedere Trading LLC 0.31% of their portfolio CHICAGO, IL 41,96842.0k $539.3k $539.3k 0.31% New
65 GROUP ONE TRADING LLC 0.02% of their portfolio CHICAGO, IL 41,81941.8k $537.4k $537.4k 0.02% Reduced -167.2k -167,175
66 Jump Financial, LLC 0.03% of their portfolio Chicago, IL 40,60040.6k $521.7k $521.7k 0.03% New
67 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 39,50039.5k $507.6k $507.6k 0.00% Added +7.4k +7,376
68 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 36,55536.6k $469.7k $469.7k 0.00% Added +6.8k +6,758
69 FIRST MANHATTAN CO. LLC. 0.00% of their portfolio NEW YORK, NY 32,54032.5k $418.1k $418.1k 0.00% Added +32.0k +32,000
70 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 32,49732.5k $417.6k $417.6k 0.00% Reduced -46 -46
71 Long Focus Capital Management, LLC 0.06% of their portfolio SAN JUAN, PR 30,00030.0k $385.5k $385.5k 0.06% Unchanged
72 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 28,35028.4k $365.0k $365.0k 0.00% Reduced -8.1k -8,112
73 MML INVESTORS SERVICES, LLC 0.00% of their portfolio SPRINGFIELD, MA 27,93027.9k $359.0k $359.0k 0.00% Added +5.9k +5,888
74 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 26,60026.6k $341.0k $341.0k 0.00% Unchanged
75 UBS Group AG 0.00% of their portfolio ZURICH, V8 26,52726.5k $340.9k $340.9k 0.00% Added +18.7k +18,739
76 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 25,74225.7k $330.8k $330.8k 0.00% Unchanged
77 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 24,37224.4k $312.3k $312.3k 0.00% Added +4.6k +4,566
78 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 22,71922.7k $291.9k $291.9k 0.00% Reduced -82 -82
79 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 22,61422.6k $290.6k $290.6k 0.00% Added +2.7k +2,709
80 CSS LLC/IL 0.02% of their portfolio CHICAGO, IL 20,00020.0k $257.0k $257.0k 0.02% New
81 Round Rock Advisors LLC 0.11% of their portfolio WILTON, CT 20,00020.0k $265.0k $265.0k 0.11% Unchanged
82 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 19,73719.7k $253.6k $253.6k 0.00% Reduced -7.8k -7,801
83 Clear Harbor Asset Management, LLC 0.03% of their portfolio Stamford, CT 19,50019.5k $250.6k $250.6k 0.03% Reduced -1.4k -1,400
84 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 19,14619.1k $246.0k $246.0k 0.00% Unchanged
85 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 19,13619.1k $246.0k $246.0k 0.00% Added +3.7k +3,672
86 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 19,09319.1k $245.3k $245.3k 0.00% Reduced -886 -886
87 GUYASUTA INVESTMENT ADVISORS INC 0.02% of their portfolio PITTSBURGH, PA 18,63518.6k $239.5k $239.5k 0.02% Reduced -5.8k -5,750
88 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 18,51518.5k $237.9k $237.9k 0.00% Reduced -3.4k -3,384
89 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio TALLAHASSEE, FL 17,84117.8k $229.3k $229.3k 0.00% Reduced -16.2k -16,250
90 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 17,49417.5k $224.8k $224.8k 0.00% New
91 Legal & General Group Plc 0.00% of their portfolio London, X0 17,33817.3k $222.8k $222.8k 0.00% Added +599 +599
92 Diametric Capital, LP 0.11% of their portfolio BOSTON, MA 17,31717.3k $222.5k $222.5k 0.11% New
93 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 17,17617.2k $220.7k $220.7k 0.00% Reduced -1.5k -1,512
94 XTX Topco Ltd 0.05% of their portfolio LONDON, X0 17,04217.0k $219.0k $219.0k 0.05% Reduced -15.6k -15,611
95 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.00% of their portfolio DENVER, CO 16,07916.1k $207.0k $207.0k 0.00% Unchanged
96 Mariner, LLC 0.00% of their portfolio Overland Park, KS 15,86815.9k $204.0k $204.0k 0.00% Added +4.6k +4,639
97 FOX RUN MANAGEMENT, L.L.C. 0.08% of their portfolio GREENWICH, CT 15,47915.5k $198.9k $198.9k 0.08% Reduced -7.4k -7,355
98 WOLVERINE TRADING, LLC 0.00% of their portfolio CHICAGO, IL 15,46315.5k $199.0k $199.0k 0.00% Reduced -8.1k -8,147
99 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 15,12215.1k $194.3k $194.3k 0.00% Reduced -5.4k -5,382
100 Walleye Trading LLC 0.00% of their portfolio NEW YORK, NY 14,35214.4k $184.4k $184.4k 0.00% Added +5.9k +5,872