FORTRESS BIOTECH INC (FBIO) Institutional Ownership Changes & 13F Activity

FORTRESS BIOTECH INC (FBIO). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy18,49099,590$277,856
Q4 2025Renaissance Technologies LLCBuy40,30081,100$296,826
Q3 2025Renaissance Technologies LLCBuy8,80040,800$150,756
Q1 2025Renaissance Technologies LLCSell-143,80032,000$49,920
Q4 2024Renaissance Technologies LLCBuy97,712175,800$355,995
Q3 2024Renaissance Technologies LLCBuy52,22178,088$112,837
Q4 2023Renaissance Technologies LLCBuy25,86725,867$78

Frequently asked questions about FBIO activity

  • Which institutional owners are buying FBIO?

    Institutional owners buying FBIO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in FBIO activity?

    "Buy" means an investor increased their reported position in FBIO compared to the prior reporting period. This reflects growing exposure to FORTRESS BIOTECH INC (FBIO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in FBIO increasing?

    Institutional interest in FBIO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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