FLBack of Napkin
Flagstar Financial, Inc. FLG
Written 2026-06-15. The company has filed a quarterly or annual report since, on 2026-08-06, so figures here predate its latest disclosure.
You are paying about 0.8 times tangible book, roughly $6.3 billion, for a recapitalized bank that just printed its first GAAP-profitable quarter, running off the New York rent-regulated multifamily book that nearly killed it while building a commercial loan book behind a fortress capital ratio.
The asymmetry is whether credit keeps normalizing and the balance-sheet remix lifts net interest margin and returns back toward peers, re-rating a sub-book bank toward tangible book; this is a recovery-to-book story, not a compounder, and the legacy multifamily book is still the swing risk.
Key data
FLG · price with moving averages
Source: market data.
The business
Flagstar Financial is the holding company for Flagstar Bank, a roughly $87B-asset regional lender, and is the renamed New York Community Bancorp. The book is in transition: the legacy engine was New York rent-regulated multifamily lending, now the problem it is shrinking, while commercial and industrial lending is the designated growth engine. The franchise that carries the recovery is the deposit base plus the new C&I build-out; the multifamily and commercial-real-estate book, heavy in New York City rent-regulated apartments, is being deliberately run down. Most of the balance sheet still sits in that legacy real-estate book, so the slice doing the work in this story is the runoff itself: every dollar of criticized multifamily that heals or leaves is what closes the gap between price and tangible book.
The qualitative fact behind the numbers is the regulatory shock. The 2019 New York rent law capped increases on regulated apartments, which impaired the collateral and cash flow behind the core multifamily book; combined with rising rates and the absorbed Signature Bank assets, that triggered the 2024 crisis, a slashed dividend, a goodwill write-off, and a capital injection above $1B led by Liberty Strategic Capital, after which the company was renamed and Joseph Otting, a former Comptroller of the Currency, took over. What changed in the last two quarters: Q4 2025 turned positive at $29M of net income, and Q1 2026, reported May 7, posted $21M of net income on $443M of net interest income, the first clean profitable quarter built on operating progress rather than one-offs. Operating expenses are down, the balance sheet has shrunk from over $100B to $87B as the bad book runs off, and capital sits well above the regulatory floor.
Inside the complete Back of Napkin
- 01The business
- 02The numbers
- 03Management
- 04The linchpins
- 05Closing
- 06Methodology
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