One William Street Capital Management, L.P.: FLAGSTAR BANK NATIONAL ASSOC (FLG): Quarterly 13F Position History
As of Q2 2026, One William Street Capital Management, L.P. reported 156,000 shares of FLAGSTAR BANK NATIONAL ASSOC (FLG), worth $2.3M and representing 5.5% of its 13F equity book. Quarter-over-quarter share count change: 244,000 (-61.0%) . The position first appeared in Q3 2025 and has been disclosed across 4 13F-HR filings in Pactolio's tracked window.
- 156,000Shares Held (Latest Filing)
- $2.3MReported Market Value (Latest Filing)
- 5.5%Portfolio Weight (% of 13F Equity Book)
- 244,000Quarter-over-Quarter Share Change
- -$2.9MQuarter-over-Quarter Value Change
- 400,000Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 4 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q2 2026 | 156,000 | 244,000 | -61.0% | $2.3M | 5.5% | $14.9 |
| Q1 2026 | 400,000 | 0 | – | $5.3M | 10.1% | $13.2 |
| Q4 2025 | 400,000 | +195,000 | +95.1% | $5.0M | 11.8% | $12.6 |
| Q3 2025 | 205,000 | – | – | $2.4M | 15.2% | $11.6 |
Methodology & FAQ
How This Position History Is Sourced
Each row is one SEC Form 13F-HR filing disclosing this position. Share count, market value, and reported quarter are taken verbatim from the filing; portfolio weight is recomputed against the same filing's total reported equity book. Implied price-per-share is market value divided by shares, a quarter-end mark rather than the manager's cost basis. See the full methodology document for the normalization rules.
When did One William Street Capital Management, L.P. first disclose a FLG position in 13F-HR filings?
One William Street Capital Management, L.P. first reported FLAGSTAR BANK NATIONAL ASSOC (FLG) on its 13F-HR filing for the period ending 2025-09-30 (Q3 2025). The position has appeared on 4 reported quarters within Pactolio's tracked window.
What was One William Street Capital Management, L.P.'s most recent quarter-over-quarter share-count change in FLG?
Between Q1 2026 and Q2 2026, One William Street Capital Management, L.P. reduced its FLG position by 244,000 shares (-61.0%), leaving 156,000 shares at a market value of $2.3M.
Does the implied price-per-share represent One William Street Capital Management, L.P.'s cost basis in FLG?
No. The implied price-per-share column is the 13F-HR reported market value divided by reported share count on the filing date (end of quarter). It is a quarter-end mark, not a cost basis or transaction price. Use it as a sanity check on the value column, not as an indicator of the manager's entry or exit price.