Polar Asset Management Partners Inc. Boosts Stake in Flagstar Bank

The investment firm increased its holdings in the national bank by 268.4% in the third quarter.

Mar. 20, 2026 at 9:19am

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Polar Asset Management Partners Inc. grew its position in Flagstar Bank, National Association (NYSE:FLG) by 268.4% in the third quarter, according to the company's SEC filing. Polar Asset Management Partners Inc. now owns 345,953 shares of the company's stock, worth $3,996,000 at the end of the quarter. The move comes as several other hedge funds have also modified their holdings of Flagstar Bank in recent quarters.

Why it matters

Flagstar Bank, National Association is a major regional bank with a significant mortgage lending and servicing business. The increase in Polar Asset Management's stake suggests the firm sees value in Flagstar's operations and future prospects, which could signal positive momentum for the bank.

The details

Polar Asset Management Partners Inc. acquired an additional 252,053 shares of Flagstar Bank, National Association during the third quarter, bringing its total holdings to 345,953 shares. This represented a 268.4% increase in the firm's position in the bank. Several other hedge funds have also recently modified their stakes in Flagstar, with some increasing their positions and others establishing new ones.

Polar Asset Management Partners Inc. grew its position in Flagstar Bank, National Association in the third quarter of 2026.

The players