Mbia Inc. 13F holders
129 funds reported a position in Mbia Inc. in their 13F for the quarter ended 30 June 2026, together 27.7 million shares worth $180.5 million. Against the quarter before, 16 opened a position, 51 added, 33 trimmed and 20 sold out; together they bought a net 1.8 million shares. The largest holders: Kahn Brothers Group Inc., BlackRock, Inc. and Wolf Hill Capital Management, LP.
Funds holding129-5 on Q1 2026
Shares they held27.7Mworth $180.5 million
Net bought on the quarter1.8M sharesabout $12.0 million at the funds' values
Funds buying to selling67 to 53opened or added, to cut or sold
Opened 16Added 51Held 29Trimmed 33Sold out 20
What each fund did in MBI against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MBI in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 24 reported a position in Mbia Inc.: 4 opened one, 6 added, 7 trimmed and 6 sold out, a net 51,104 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 5 reported a position in Mbia Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.1 million shares worth $7.4 million, 0.0% of its reported book. Sold out: Millennium Management, Point72 Asset Management. In the quarter, 3 funds added or opened a position and 4 trimmed or sold out; together they sold a net 195,946 shares, about $1.3 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 1,142,258 | $7.4 million | 0.0% | +55,737 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 310,892 | $2.0 million | 0.0% | -99,000 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 40,954 | $267,020 | 0.0% | -134,953 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 31,676 | $206,528 | 0.0% | +14,803 | added | 30 June 2026 | 13F |
| FMR LLC | 11,349 | $73,992 | 0.0% | +762 | added | 30 June 2026 | 13F |
| Millennium Management | 0 | $0 | 0.0% | -11,757 | exited | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -21,538 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Kahn Brothers Group Inc. | 4,213,920 | 15.21% | $27.5 million | 4.34% | +2,157,486 | 13F |
| BlackRock, Inc. | 3,673,151 | 13.26% | $23.9 million | 0.00% | +280,169 | 13F |
| Wolf Hill Capital Management, LP | 2,118,014 | 7.65% | $13.8 million | 1.34% | -427,529 | 13F |
| Vanguard Capital Management LLC | 1,991,235 | 7.19% | $13.0 million | 0.00% | +15,996 | 13F |
| Valueworks LLC | 1,967,228 | 7.10% | $12.8 million | 2.68% | +35,338 | 13F |
| Hosking Partners LLP | 1,549,265 | 5.59% | $10.1 million | 0.34% | -35,648 | 13F |
| Geode Capital Management, LLC | 1,142,258 | 4.12% | $7.4 million | 0.00% | +55,737 | 13F |
| State Street Corp. | 1,092,959 | 3.95% | $7.1 million | 0.00% | +24,206 | 13F |
| Cerity Partners LLC | 1,087,425 | 3.93% | $7.1 million | 0.01% | +655,209 | 13F |
| TCW Group Inc. | 1,065,260 | 3.85% | $6.9 million | 0.05% | +26,800 | 13F |
| Russell Investments Group, Ltd. | 459,085 | 1.66% | $3.0 million | 0.00% | +29,052 | 13F |
| Northern Trust Corp. | 444,082 | 1.60% | $2.9 million | 0.00% | +39,741 | 13F |
| UBS Group AG | 400,226 | 1.45% | $2.6 million | 0.00% | -266,347 | 13F |
| Charles Schwab Investment Management Inc. | 376,149 | 1.36% | $2.5 million | 0.00% | +9,419 | 13F |
| Chou Associates Management Inc. | 321,000 | 1.16% | $2.1 million | 0.97% | no change | 13F |
| Vanguard Portfolio Management LLC | 311,198 | 1.12% | $2.0 million | 0.00% | +47,122 | 13F |
| Renaissance Technologies LLC | 310,892 | 1.12% | $2.0 million | 0.00% | -99,000 | 13F |
| Whitebox Advisors LLC | 304,461 | 1.10% | $2.0 million | 0.10% | no change | 13F |
| Vanguard Fiduciary Trust Co. | 302,691 | 1.09% | $2.0 million | 0.00% | -7,922 | 13F |
| Tudor Investment Corp. Et Al | 298,409 | 1.08% | $1.9 million | 0.01% | -50,596 | 13F |
| Goldman Sachs Group Inc. | 289,008 | 1.04% | $1.9 million | 0.00% | -34,671 | 13F |
| Morgan Stanley | 249,088 | 0.90% | $1.6 million | 0.00% | -4,818 | 13F |
| Toronto Dominion Bank | 227,905 | 0.82% | $1.5 million | 0.00% | -4,200 | 13F |
| JTC Employer Solutions Trustee Ltd | 180,000 | 0.65% | $1.2 million | 0.09% | no change | 13F |
| Wells Fargo & Company | 157,381 | 0.57% | $1.0 million | 0.00% | +21,548 | 13F |
| Alta Fundamental Advisers LLC | 148,662 | 0.54% | $969,276 | 0.35% | no change | 13F |
| Bank of New York Mellon Corp | 148,421 | 0.54% | $967,705 | 0.00% | +5,769 | 13F |
| Price T Rowe Associates Inc. | 146,561 | 0.53% | $956,000 | 0.00% | +27,706 | 13F |
| AQR Capital Management LLC | 140,983 | 0.51% | $919,209 | 0.00% | +115,254 | 13F |
| Nuveen, LLC | 134,435 | 0.49% | $876,516 | 0.00% | +20,958 | 13F |
| Group One Trading LLC | 129,044 | 0.47% | $841,367 | 0.02% | +56,907 | 13F |
| Quantinno Capital Management LP | 127,844 | 0.46% | $833,543 | 0.00% | +33,080 | 13F |
| Bluefin Capital Management, LLC | 115,006 | 0.42% | $749,839 | 0.22% | +18,000 | 13F |
| State of Wisconsin Investment Board | 113,013 | 0.41% | $736,845 | 0.00% | +22,300 | 13F |
| Squarepoint Ops LLC | 101,858 | 0.37% | $664,114 | 0.00% | -75,844 | 13F |
| Freestone Capital Holdings, LLC | 99,763 | 0.36% | $650,455 | 0.02% | no change | 13F |
| Jane Street Group, LLC | 96,934 | 0.35% | $632,010 | 0.00% | -212,802 | 13F |
| IMC-Chicago, LLC | 88,511 | 0.32% | $577,092 | 0.01% | +1,517 | 13F |
| Bridgeway Capital Management, LLC | 81,700 | 0.29% | $532,684 | 0.01% | +7,200 | 13F |
| Lanark Financial, Inc. | 77,197 | 0.28% | $503,324 | 0.03% | no change | 13F |
| Bank of America Corp. | 76,686 | 0.28% | $499,993 | 0.00% | -93,704 | 13F |
| AllianceBernstein L.P. | 77,440 | 0.28% | $457,670 | 0.00% | +3,200 | 13F |
| HighTower Advisors, LLC | 69,397 | 0.25% | $452,468 | 0.00% | +23,146 | 13F |
| Invesco Ltd. | 67,532 | 0.24% | $440,308 | 0.00% | +5,557 | 13F |
| Trexquant Investment LP | 66,458 | 0.24% | $433,306 | 0.00% | +41,379 | 13F |
| Rhumbline Advisers | 58,815 | 0.21% | $383,467 | 0.00% | +2,328 | 13F |
| Franklin Resources Inc. | 51,490 | 0.19% | $335,715 | 0.00% | -13,082 | 13F |
| ExodusPoint Capital Management, LP | 46,010 | 0.17% | $299,985 | 0.00% | +12,639 | 13F |
| Deutsche Bank AG | 43,643 | 0.16% | $284,552 | 0.00% | +3,245 | 13F |
| Empirical Asset Management, LLC | 42,300 | 0.15% | $275,796 | 0.06% | new | 13F |
The 50 largest of the 129 funds that reported a position in MBI in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on MBI
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 51,600 | $336,432 | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 48,300 | $314,916 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G | Kahn Brothers Group Inc and 1 other | 4.2 million | 8.3% | 14 August 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 13 August 2026 | 13G/A | Wolf Hill Capital Management, LP and 5 others | 2.1 million | 4.2% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 23 July 2026 | 13G | Leeam S. Lowin and 1 other | 3.3 million | 6.5% | 27 February 2026 | passive, other (13d-1(d)) | EDGAR |
| 14 May 2026 | 13G/A | Wolf Hill Capital Management, LP and 5 others | 2.5 million | 5.0% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 13 February 2026 | 13G | Wolf Hill Capital Management, LP and 5 others | 2.6 million | 5.1% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 30 January 2026 | 13G | The Vanguard Group and 1 other | 2.5 million | 5.0% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 31 October 2025 | 13G/A | The Vanguard Group and 1 other | 2.5 million | 5.0% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 31 August 2026 | 4,218 | $4.79 | SEC |
| 28 August 2026 | 4,016 | $4.80 | SEC |
| 19 August 2026 | 1,082 | $4.97 | SEC |
| 13 August 2026 | 1,500 | $4.98 | SEC |
| 12 August 2026 | 101 | $4.96 | SEC |
| 28 July 2026 | 375 | $5.53 | SEC |
| 27 July 2026 | 265 | $5.66 | SEC |
| 22 July 2026 | 16 | $6.30 | SEC |
| 16 July 2026 | 69 | $6.25 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.