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MHR FUND MANAGEMENT LLC

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13F filer, CIK 1277742, NEW YORK, NY

MHR FUND MANAGEMENT LLC reported $1,161,920,933 across 10 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001011438-26-000142

Period
2025-12-31
Reported value
$1.16B
Holdings
10
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
HAFNadded+1,309,938$6.98M
OPTUadded+903,000$1.49M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

None.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001011438-26-000142, largest first. % of portfolio is the value over $1,161,920,933, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TSATTELESAT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 18,035,092 shares; 2024Q4: 18,035,092 shares; 2025Q1: 18,035,092 shares; 2025Q2: 18,035,092 shares; 2025Q3: 18,035,092 shares; 2025Q4: 18,035,092 shares 18,035,092$525M45.17%0Timeline
LIONLIONSGATE STUDIOS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 37,648,498 shares; 2025Q3: 37,648,498 shares; 2025Q4: 37,648,498 shares 37,648,498$344M29.58%0Timeline
HAFNHAFNIA LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 7,620,781 shares; 2025Q1: 10,000,000 shares; 2025Q2: 13,865,532 shares; 2025Q3: 17,186,714 shares; 2025Q4: 18,496,652 shares 18,496,652$98.6M8.48%+1,309,938Timeline
IOVAIOVANCE BIOTHERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 23,997,103 shares; 2024Q4: 24,417,103 shares; 2025Q1: 24,417,103 shares; 2025Q2: 28,967,103 shares; 2025Q3: 28,967,103 shares; 2025Q4: 28,967,103 shares 28,967,103$79.1M6.81%0Timeline
APOAPOLLO GLOBAL MGMT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 679,000 shares; 2024Q4: 550,000 shares; 2025Q1: 500,000 shares; 2025Q2: 475,000 shares; 2025Q3: 399,505 shares; 2025Q4: 399,505 shares 399,505$57.8M4.98%0Timeline
STRZSTARZ ENTERTAINMENT CORP.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 2,863,232 shares; 2025Q3: 2,863,232 shares; 2025Q4: 2,863,232 shares 2,863,232$33.5M2.88%0Timeline
PAXPATRIA INVESTMENTS LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 200,000 shares; 2025Q2: 627,982 shares; 2025Q3: 800,000 shares; 2025Q4: 800,000 shares 800,000$12.7M1.09%0Timeline
GFFGRIFFON CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 125,000 shares; 2025Q4: 125,000 shares 125,000$9.21M0.79%0Timeline
OPTUOPTIMUM COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 167,800 shares; 2024Q4: 167,800 shares; 2025Q1: 167,800 shares; 2025Q2: 167,800 shares; 2025Q3: 167,800 shares; 2025Q4: 1,070,800 shares 1,070,800$1.77M0.15%+903,000Timeline
DVAXDYNAVAX TECHNOLOGIES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 44,499 shares; 2024Q4: 44,499 shares; 2025Q1: 44,499 shares; 2025Q2: 44,499 shares; 2025Q3: 44,499 shares; 2025Q4: 44,499 shares 44,499$684K0.06%0Timeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001011438-26-000142 base2026-02-17acceptance time not in the bulk data set