Fortress Biotech, Inc. (FBIO)
Nasdaq: FBIO · Pharmaceutical Preparations · Bay Harbor Islands, FL · filing with the SEC since 2008
Who owns Fortress Biotech, Inc.
As filed with the SECHolders of 5% or more
3
Lindsay A. Rosenwald, M.D. holds 20.7% of Common Stock, $0.001 Par Value, as its SCHEDULE 13D/A filed Mar 20, 2026 says.
Directors and officers
8
report now, of 12 people on the record since 2011. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Lindsay A. Rosenwald, M.D.
SCHEDULE 13D/A · filed Mar 20, 2026 · Common Stock, $0.001 Par Value
Highbridge Capital Management, LLC
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, par value $0.0001 per share
Integrated Core Strategies (US) LLC
SCHEDULE 13G · filed Sep 1, 2026 · Common Stock, par value $0.001 per share
What FBIO reports owning in othersstakes of 5% or more, and other ties
Avenue Therapeutics, Inc.
SCHEDULE 13D/A · filed Jan 6, 2026 · Common Stock, $0.0001 Par Value
Mustang Bio, Inc. MBIO
SCHEDULE 13D/A · filed Jan 5, 2026 · Common Stock, $0.0001 Par Value
Checkpoint Therapeutics, Inc.
SCHEDULE 13D/A · filed Jun 3, 2025 · Common Stock, $0.0001 Par Value · reported falling below 5%
Other ties the annual report names
Avenue Therapeutics, Inc
An entity · consolidated entity · owns, named in the 10-K filed Mar 31, 2026
Cyprium
An entity · consolidated entity · owns, named in the 10-K filed Mar 31, 2026
Journey
An entity · consolidated entity · owns, named in the 10-K filed Mar 31, 2026
Mustang
An entity · consolidated entity · owns, named in the 10-K filed Mar 31, 2026
Checkpoint
A company bought · acquisition, consolidated entity · owns, named in the 10-K filed Mar 31, 2026
Sentynl Development and Asset Purchase Agreement
A company bought · asset acquisition · owns, named in the 10-K filed Mar 31, 2026
VYNE Product Acquisition
A company bought · acquisition · owns, named in the 10-K filed Mar 31, 2026
9 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 31, 2026.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 1, 2025 to Oct 1, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2024 runs to Oct 1, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.