HedgeMountain

MHR Fund Management LLC

New York, NY · CRD 157212
Hedge fund manager

MHR Fund Management LLC is an SEC-registered investment adviser based in New York, NY that reports managing 2 hedge funds on Form ADV. It reports $5.3 billion in regulatory assets under management. Its private funds, of all types, hold $5.3 billion in gross assets. Its disclosed U.S. stock holdings returned an estimated +62.3% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +125.5% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.

Regulatory assets under management
$5.3 billionForm ADV Item 5.F
Gross assets of private funds
$5.3 billionAll private fund types, Form ADV
Hedge funds managed
210 private funds in total
Employees
21Form ADV Item 5.A
Registration
SEC-registered adviserCRD 157212
Latest Form ADV
03/31/2026Disciplinary disclosures: none reported

Estimated 13F portfolio performance

Est. 2026 YTD+62.3%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+125.5%Q3 2024 – Q2 2026
S&P 500+37.2%Same quarters, price only
13F holdings$1.9 billion11 positions, 2026-06-30
$100$163$225Q3 2024Q1 2025Q3 2025Q1 202613F est. $225S&P 500 $137
QuarterEst. 13F returnS&P 500
Q2 2026+39.2%+14.8%
Q1 2026+16.6%-4.6%
Q4 2025+13.0%+2.4%
Q3 2025+10.8%+7.8%
Q2 2025+7.2%+10.4%
Q1 2025-7.8%-4.5%
Q4 2024+4.6%+2.1%
Q3 2024+7.3%+5.4%

Estimate of the firm's disclosed long U.S. stock portfolio from its quarterly 13F filings, holding each quarter-end portfolio to the next quarter-end at prices implied by all 13F filers. It is a price return before dividends and fees, ignores shorts, options, bonds, cash and trading within the quarter, and is not the return of any fund. Disclosures

Largest disclosed holdings

  • Telesat Corp$912.9 million
  • Lionsgate Studio$576.4 million
  • Hafnia LTD$135.8 million
  • Iovance Biotherapeutics Inc$120.5 million
  • Starz Entertainment Corp.$82.6 million
  • Apollo Global Management Inc$47.3 million
  • Griffon Corp$23.3 million
  • Patria Investments Limited$11.0 million
  • Terawulf Inc$7.4 million
  • Altice USA Inc$1.6 million

As of 2026-06-30, from 13F filing by MHR Fund Management LLC.

From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. HedgeMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures