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Fortress Biotech (FBIO): which funds own it

Health Care →(by SIC code, unreviewed)Data as of Jun 30, 2026 (Q2 2026) · updated on Nov 5, 2026

A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.

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Sections with a free account

1 concentrated manager holds it with a median weight of 0.2%.

Who owns Fortress Biotech?

Holders that filed a Schedule 13D or 13G with the SEC for owning more than 5% of the common shares: Lindsay A. Rosenwald, M.D. (13D/A filed Mar 20, 2026), Highbridge Capital Management (13G/A filed May 15, 2026) and Millennium Management (13G/A filed Oct 29, 2026). As of Jun 30, 2026, the largest holders of the common shares reported on Form 13F were Vanguard Capital Management (3.1% of the common shares), Opaleye Management (2.7%) and Mackenzie Financial (1.7%).

Which institutions hold the most Fortress Biotech shares?

Per Form 13F filings as of Jun 30, 2026, as a share of the common shares (without its other class):

  1. 1. Vanguard Capital Management: 3.1%
  2. 2. Opaleye Management: 2.7%
  3. 3. Mackenzie Financial: 1.7%
  4. 4. GSA Capital Partners LLP: 1.4%
  5. 5. Shikiar Asset Management: 0.9%
  6. 6. Geode Capital Management: 0.9%
  7. 7. BlackRock: 0.7%
  8. 8. Two Sigma Investments: 0.6%
  9. 9. Bridgeway Capital Management: 0.5%
  10. 10. Vanguard Fiduciary Trust: 0.5%

How much of Fortress Biotech do institutions own?

The 55 institutions that file 13F reported 17.4% of the common shares as of Jun 30, 2026.

Sources:13D/A by Lindsay A. Rosenwald, M.D. (Mar 20, 2026) ↗13G/A by Highbridge Capital Management (May 15, 2026) ↗13G/A by Millennium Management (Oct 29, 2026) ↗All of the company's proxy statements on EDGAR ↗

13F percentages divide the shares each institution reports by the common shares outstanding on the cover of the company's latest report before the quarter end (May 11, 2026). Entities of the same group file separately and are not added up. With more than one share class, a 13D or 13G counts shares convertible from another class as owned, so we do not show its percentage. We hold 13D and 13G filings made since Dec 23, 2024: a holder above 5% that has not filed since then does not appear here.

Fortress Biotech revenue

Fortress Biotech reported annual revenue of $63.3 million for fiscal year 2025 (year ended December 31, 2025), according to its Form 10-K filed with the SEC (XBRL data).

Concentrated managers
1
All 13F: 55
Consensus
—
No score: it needs 5 or more concentrated managers
Price at Jun 30, 2026 (per 13F)
$3.06
+9.7% in the quarter · reported value ÷ shares, not the quote · See current quote ↗

Quarter flow (concentrated managers)

Change in managers (1 → 1): 0 opened · 0 exited = 0

Net flow in the quarter: −$465K (−152 K shares) · bought $0 and sold $465KShares concentrated managers added minus those they cut, valued at the 13F quarter-end implied price, not each trade's price. It is a different measure from the change in managers: the two can have opposite signs.

Concentrated managers holding it

Up to 15, sorted by position value. The percentage is the weight in each manager's portfolio.

Largest holders of FBIO (all 13F filers)

The 10 13F filers with the most shares as of Jun 30, 2026, whatever their type (index firms usually come first). “Change”: shares added or cut versus the previous quarter, split-adjusted; “no data” = there is no comparable portfolio for the previous quarter (no filing, or a filing with its holdings under confidential treatment). “% of the company” only where shares outstanding are up to date. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. With a free account: the top 25, the largest buyers and the largest sellers.

Fundamentals

12-month figures to Jun 30, 2026 · balance sheet as of Jun 30, 2026.

Profitability
Operating margin
-42.6%
Net margin
—
ROE
68.1%
Growth
Revenue (TTM)
$68.5M
Revenue growth
15.5%
Net income (TTM)
$112M
Balance sheet
Net debt / EBITDA
—
Free cash flow (TTM)
—
Quality vs sector
—

This company's sector comes from its SIC code, unreviewed, or has too few comparable companies: we do not compare it with its sector.

Figures from the statements the company filed with the SEC (10-K, 10-Q). Free cash flow = operating cash flow − capital expenditures; empty if the company does not report capex. “Quality vs sector”: 0 to 100, the average of its percentiles in ROE, operating margin, free-cash-flow margin, revenue and earnings growth and net debt / EBITDA (at least 3 needed) against companies in its sector above $300M. How each figure is calculated

Shares outstanding: buybacks and dilution

Diluted shares by fiscal year (split-adjusted)

2025: 27.9 M

81.7 M0
20212025

There is a jump that may be an undetected split: we do not show the changes.

Buybacks (FY 2025)
no data
Share issuance
$1.0M
Stock-based compensation
$28.7M45.4% of revenue
Dividends paid
$664K

From the statements the company filed with the SEC (10-K). The change compares average diluted shares of each fiscal year, on today's basis: negative = it bought back more than it issued; positive = dilution. “No data” = the company does not report that item under a tag we can read; it does not mean zero.

Earnings quality and debt

126.1% of net income does not come from operations.

Operating cash flow ÷ net income (12 months)
1.13
Interest coverage (operating income ÷ interest)
−7.0 timesnegative operating income
Debt due within 12 months
$5.0M0.03 times cash and investments

From the figures the company filed with the SEC. Cash flow over net income near or above 1 means earnings are collected in cash; far below, that part is accounting. Coverage says how many times operating income pays the latest fiscal year's interest. Maturities come from the debt note of the latest annual report, counted from its closing date. “No data” never means zero.

Insiders (Form 4)

Officers and directors who bought (6 m)
0
Amount (6 m)
$0
CEO/CFO bought (12 m)
No

10% owners who bought (6 m): 0

Open-market purchases, excluding 10b5-1 plans. Officers and directors only; joint filers of the same purchase count as one. 10% owners with no role are shown separately. 0 = nobody bought; “no data” = we do not have its Form 4 filings.

Each of the company's Form 4 filings, on EDGAR ↗Latest trades, with date and filing →

Above 5% (13D/13G)

Disclosed stakes, with their amendments. A filing is not always a purchase: there are also reductions and changes of filing entity.

This list may be incomplete: we hold 13D and 13G filings made since Dec 23, 2024. A holder above 5% that has not filed anything since then is not shown here.

Above 5% over time (13D/13G)

Each holder with its filings in order. History since December 2024.

Flagged material events (8-K)

  • Dec 15, 2025Routinefiling ↗

    Unregistered sale of equity securities (Item 3.02)

Alert items the company itself flagged in its 8-K filings with the SEC, most serious first. It is the form's label, with no interpretation from us: Item 5.02 covers routine appointments as well as a chief executive's departure; open the filing. The quoted headline is the original press release's.

All material events (8-K)

Earnings, agreements, financing, management changes and announcements from the last year, with a filter by type and a link to each filing.

Other Health Care stocks in managers' portfolios

Same sector and a similar number of concentrated managers holding them. It is a list to keep exploring, not a recommendation.

All of Health Care →

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