Ticker · CUSIP 34960Q307

FBIO

FORTRESS BIOTECH INC
···Share
Holders (tracked)
4
Combined shares
334,251
Combined value
$1.22M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
432024Q12025Q4

SEC event timeline

5 events
  1. −51,500 shares · 2025Q4
    13F
  2. +54,170 shares · 2025Q4
    13F
  3. +40,300 shares · 2025Q4
    13F
  4. +39,149 shares · 2025Q3
    13F
  5. +40,800 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions0
Added to2
Trimmed1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2023Q4
4
$276K
2024Q1
3
$170K
2024Q2
5
$332K
2024Q3
5
$205K
2024Q4
5
$1.0M
2025Q1
4
$244K
2025Q2
2
$316K
2025Q3
3
$1.1M
2025Q4
4
$1.2M

Who owns FBIO

4 super-investors · 2025Q4
Tracked stake
334.3K
shares
Combined value
$1M
% of shares outstanding
shares-out unknown
Quarter action mix
Added2Trim2
#ManagerSharesValue
1Two Sigma Investments139.2K$509K
2Renaissance Technologies81.1K$297K
3Ken Griffin
Citadel Advisors
60.9K$223K
4Ken Griffin
Citadel Advisors
53.1K$194K

Recent moves

19 transactions
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