MBIA INC MBI
COM · Common Stock · CUSIP 55262C100
* 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 ($12.8k this quarter). Holder counts are more reliable. Shares outstanding: 51.9m as of 2023-07-26, 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 ≈ $8.64. Options: 10 managers hold calls ($5.6m notional), 10 hold puts ($4.4m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 135 |
| Q4 2022 | 140 |
| Q1 2023 | 136 |
| Q2 2023 | 121 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 74 | 59 |
| Q1 2023 | 67 | 69 |
| Q2 2023 | 58 | 64 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $19.7m | $4.0m | 0.21 |
| Q4 2022 | $8.8m | $2.0m | 0.22 |
| Q1 2023 | $8.3m | $5.2m | 0.62 |
| Q2 2023 | $5.6m | $4.4m | 0.78 |
Biggest buyers
| Madison Avenue Partners, LP | New | +420.8k |
| BANK OF MONTREAL /CAN/ | New | +357.7k |
| Newtyn Management, LLC | Added | +322.9k |
| CAPSTONE INVESTMENT ADVISORS, LLC | New | +300.0k |
| Hosking Partners LLP | Added | +148.1k |
| WHITEBOX ADVISORS LLC | Added | +145.5k |
| KAHN BROTHERS GROUP INC | Added | +103.9k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Added | +90.3k |
| Shay Capital LLC | Added | +63.0k |
| JANE STREET GROUP, LLC | New | +61.3k |
Biggest sellers
| CITADEL ADVISORS LLC | Reduced | -602.2k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -567.5k |
| HIGHLAND PEAK CAPITAL, LLC | Sold out | -397.8k |
| MORGAN STANLEY | Reduced | -353.2k |
| NORGES BANK | Reduced | -350.3k |
| Wolf Hill Capital Management, LP | Sold out | -168.7k |
| BOOTHBAY FUND MANAGEMENT, LLC | Reduced | -160.3k |
| MARSHALL WACE, LLP | Sold out | -134.4k |
| BlackRock Inc. | Reduced | -112.6k |
| TWO SIGMA ADVISERS, LP | Sold out | -104.5k |
Biggest calls
| GROUP ONE TRADING LLC | Added | $1.9m221.0k shares |
| CITADEL ADVISORS LLC | Reduced | $1.1m127.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $695.0k80.5k shares |
| Walleye Trading LLC | Added | $616.0k71.3k shares |
| JANE STREET GROUP, LLC | Added | $453.6k52.5k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $411.3k47.6k shares |
| JPMORGAN CHASE & CO | Unchanged | $345.6k40.0k shares |
| Walleye Capital LLC | New | $72.6k8.4k shares |
| Caption Management, LLC | New | $6.9k800 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| Point72 Asset Management, L.P. | New | $1.9m224.9k shares |
| Parallax Volatility Advisers, L.P. | Unchanged | $604.8k70.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $539.1k62.4k shares |
| Walleye Trading LLC | Added | $403.5k46.7k shares |
| CITADEL ADVISORS LLC | Reduced | $334.4k38.7k shares |
| SIMPLEX TRADING, LLC | Reduced | $308.0k35.7k shares |
| Walleye Capital LLC | New | $144.3k16.7k shares |
| GROUP ONE TRADING LLC | Reduced | $108.9k12.6k shares |
| Cutler Group LLC / CA | New | $1.0k1.7k 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.
| Holder | Stake |
|---|---|
| KAHN BROTHERS GROUP INC 13G · institution new · filed 2026-08-14 | 8.3% |
| LOWIN LEEAM 13G · exempt (held before listing) new · filed 2026-07-23 | 6.5% |
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 2023
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)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 0 | — | — |
| Q1 2022 | 0 | — | 0 | — | — |
| Q2 2022 | 0 | — | 1 | $1.3m | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 0 | — | — |
| Q2 2023 | 0 | — | 0 | — | — |
None reported in Q2 2023.
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| KAHN BROTHERS GROUP INC 6.13% of their portfolio | 4.8m $41.8m | Added +103.9k |
| BlackRock Inc. 0.00% of their portfolio | 3.6m $31.2m | Reduced -112.6k |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.5m $21.7m | Reduced -64.6k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 2.0m $17.1m | Reduced -567.5k |
| Hosking Partners LLP 0.70% of their portfolio | 1.9m $16.6m | Added +148.1k |
| LONDON CO OF VIRGINIA 0.08% of their portfolio | 1.6m $13.5m | Reduced -15.7k |
| Newtyn Management, LLC 2.85% of their portfolio | 1.4m $12.1m | Added +322.9k |
| MORGAN STANLEY 0.00% of their portfolio | 1.4m $12.0m | Reduced -353.2k |
| VALUEWORKS LLC 3.77% of their portfolio | 1.2m $10.4m | Added +26.4k |
| STATE STREET CORP 0.00% of their portfolio | 1.1m $9.1m | Added +6.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 938.6k $8.1m | Added +30.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 706.3k $6.1m | Added +24.5k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 529.7k $4.6m | Added +1.8k |
| CONTINENTAL GENERAL INSURANCE CO 1.50% of their portfolio | 483.1k $4.2m | Reduced -14.7k |
| Madison Avenue Partners, LP 0.79% of their portfolio | 420.8k $3.6m | New |
| WHITEBOX ADVISORS LLC 0.16% of their portfolio | 372.6k $3.2m | Added +145.5k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 357.7k $3.1m | New |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio | 342.0k $3.0m | Added +90.3k |
| CAPSTONE INVESTMENT ADVISORS, LLC 0.08% of their portfolio | 300.0k $2.6m | New |
| TEGEAN CAPITAL MANAGEMENT, LLC 1.74% of their portfolio | 300.0k $2.6m | Reduced -26.8k |
| JTC Employer Solutions Trustee Ltd 0.23% of their portfolio | 280.0k $2.4m | Unchanged |
| Shay Capital LLC 0.73% of their portfolio | 241.5k $2.1m | Added +63.0k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 215.6k $1.9m | Added +3.4k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 211.8k $1.8m | Added +16.3k |
| Chou Associates Management Inc. 2.18% of their portfolio | 199.5k $1.7m | Unchanged |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 184.8k $1.6m | Added +33.0k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 151.9k $1.3m | Reduced -20.5k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 151.6k $1.3m | Reduced -23.5k |
| PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio | 145.7k $1.3m | Reduced -705 |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 145.4k $1.3m | Reduced -103.1k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 144.8k $1.3m | Reduced -21.4k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 142.9k $1.2m | Added +27.3k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 118.6k $1.0m | Reduced -99.1k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 114.7k $991.4k | Added +36.9k |
| Swiss National Bank 0.00% of their portfolio | 107.7k $930.5k | Added +7.0k |
| Quinn Opportunity Partners LLC 0.11% of their portfolio | 92.4k $798.0k | Reduced -52.9k |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 86.7k $749.1k | Added +16.6k |
| NORGES BANK 0.00% of their portfolio | 85.1k $735.3k | Reduced -350.3k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 80.7k $697.0k | Reduced -2.7k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 78.3k $725.0k | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 78.0k $673.7k | Reduced -16.6k |
| Parallax Volatility Advisers, L.P. 0.02% of their portfolio | 73.5k $634.9k | Reduced -2.0k |
| ALGERT GLOBAL LLC 0.03% of their portfolio | 72.8k $628.9k | Added +25.1k |
| SIMPLEX TRADING, LLC 0.03% of their portfolio | 71.9k $621.0k | Added +55.2k |
| VELA Investment Management, LLC 0.28% of their portfolio | 71.1k $614.4k | Unchanged |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 70.5k $609.1k | Added +9.4k |
| GROUP ONE TRADING LLC 0.02% of their portfolio | 61.7k $533.3k | Added +5.0k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 61.3k $529.2k | New |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 59.7k $515.5k | Added +36.2k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 59.6k $515.1k | Reduced -602.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 59.6k $515.0k | Added +766 |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 57.0k $492.1k | Added +9.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 54.5k $471.0k | Added +801 |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 54.0k $466.0k | Reduced -76.4k |
| BARCLAYS PLC 0.00% of their portfolio | 52.3k $451.6k | Reduced -3.9k |
| Lombard Odier Asset Management (USA) Corp 0.04% of their portfolio | 44.6k $385.6k | Added +2.5k |
| New York Life Investment Management LLC 0.00% of their portfolio | 44.5k $384.5k | Reduced -8.6k |
| GSA CAPITAL PARTNERS LLP 0.04% of their portfolio | 44.1k $381.0k | Added +29.6k |
| Y-Intercept (Hong Kong) Ltd 0.04% of their portfolio | 40.1k $346.8k | New |
| UBS Group AG 0.00% of their portfolio | 39.8k $343.6k | Added +30.7k |
| ExodusPoint Capital Management, LP 0.00% of their portfolio | 38.3k $331.0k | Added +23.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 38.3k $330.8k | Reduced -130 |
| Legal & General Group Plc 0.00% of their portfolio | 36.9k $318.8k | Added +18.7k |
| MML INVESTORS SERVICES, LLC 0.00% of their portfolio | 35.5k $307.0k | Added +9.1k |
| CITIGROUP INC 0.00% of their portfolio | 31.8k $274.9k | Added +14.1k |
| Long Focus Capital Management, LLC 0.04% of their portfolio | 30.0k $259.2k | Unchanged |
| GUYASUTA INVESTMENT ADVISORS INC 0.02% of their portfolio | 29.8k $257.2k | New |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 29.4k $253.8k | Added +2.3k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 27.1k $233.8k | Reduced -17.0k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 25.7k $222.4k | Unchanged |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 23.3k $201.3k | Added +113 |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 22.6k $195.4k | Unchanged |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 21.4k $184.5k | Reduced -27 |
| SEI INVESTMENTS CO 0.00% of their portfolio | 20.5k $176.7k | Unchanged |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 20.3k $175.8k | Added +1.2k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 19.7k $170.5k | Added +593 |
| HighTower Advisors, LLC 0.00% of their portfolio | 18.6k $160.0k | Added +7.3k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 17.8k $154.1k | Reduced -10 |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.00% of their portfolio | 16.1k $139.0k | Unchanged |
| Invesco Ltd. 0.00% of their portfolio | 15.2k $131.8k | Reduced -1.3k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 15.1k $130.6k | Added +7.6k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 14.0k $121.0k | Reduced -10.1k |
| ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio | 13.9k $120.1k | Added +376 |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 13.1k $113.5k | Reduced -22.5k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.00% of their portfolio | 13.0k $112.3k | Reduced -160.3k |
| EVERGREEN CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 13.0k $112.3k | Unchanged |
| Mariner, LLC 0.00% of their portfolio | 12.7k $109.6k | Reduced -456 |
| State of Wyoming 0.03% of their portfolio | 12.4k $106.9k | Added +1.1k |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 10.6k $91.7k | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 7.7k $67.0k | Added +2.4k |
| Caption Management, LLC 0.01% of their portfolio | 6.2k $53.6k | Reduced -30.3k |
| Arax Advisory Partners 0.01% of their portfolio | 6.0k $51.9k | Added +284 |
| Walleye Capital LLC 0.00% of their portfolio | 4.8k $41.2k | New |
| AMALGAMATED BANK 0.00% of their portfolio | 4.7k $41.0k | Reduced -217 |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 3.8k $32.8k | Unchanged |
| FMR LLC 0.00% of their portfolio | 3.5k $30.0k | Reduced -2.5k |
| TD PRIVATE CLIENT WEALTH LLC 0.00% of their portfolio | 3.1k $26.7k | Unchanged |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 3.1k $26.5k | Reduced -1.6k |
| BESSEMER GROUP INC 0.00% of their portfolio | 2.9k $25.0k | Unchanged |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 2.8k $24.0k | Unchanged |