MHR FUND MANAGEMENT LLC — 13F Holdings

2026 Q1  ·  11 Positions

2026 Q1 Portfolio Activity

In 2026 Q1, MHR FUND MANAGEMENT LLC maintained a portfolio of 11 distinct positions. The most significant new addition was TERAWULF INC, now representing 0.32% of the total fund value. They heavily accumulated shares in GRIFFON CORP, increasing the position by 91.5%.
Position History hover any row below to update
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MHR FUND MANAGEMENT LLC New York, NY Hedge Fund AUM $1,368M
PCA Score Concentration Risk
Risk ENB
Total Positions
11
Quarter
2026 Q1
Top Holding
TSAT (47.7%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-11 of 11

MHR FUND MANAGEMENT LLC Full Holdings List — 2026 Q1

Stock History Sector / Type Port % Prev % Rank / Prev Conviction
Freshness
Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
TSAT
TELESAT CORP
Technology 47.72% 45.17% #1
Prev: #1
7.0
no change no change
P
S
18,035,092 $652,870,330 2021 Q4 13F Filing 2026-03-31 2026-05-15
LION
LIONSGATE STUDI...
Unknown 26.39% 29.58% #2
Prev: #2
6.5
no change no change
P
S
37,648,498 $361,049,096 2025 Q2 13F Filing 2026-03-31 2026-05-15
HAFN
HAFNIA LTD
Industrials 10.28% 8.48% #3
Prev: #3
6.0
no change no change
P
S
18,496,652 $140,574,555 2024 Q4 13F Filing 2026-03-31 2026-05-15
IOVA
IOVANCE BIOTHER...
Healthcare 7.43% 6.81% #4
Prev: #4
4.5
no change no change
P
S
28,967,103 $101,674,532 2022 Q4 13F Filing 2026-03-31 2026-05-15
APO
APOLLO GLOBAL M...
Financial Services 3.25% 4.98% #5
Prev: #5
2.8
no change no change
P
S
399,505 $44,512,847 2021 Q3 13F Filing 2026-03-31 2026-05-15
STRZ
STARZ ENTERTAIN...
Communication Services 2.41% 2.88% #6
Prev: #6
2.0
no change no change
P
S
2,863,232 $32,927,168 2025 Q2 13F Filing 2026-03-31 2026-05-15
GFF
GRIFFON CORP
Industrials 1.27% 0.79% #7 1
Prev: #8
3.5
114,392 91.5%
P
S
239,392 $17,399,011 2025 Q3 13F Filing 2026-03-31 2026-05-15
PAX
PATRIA INVESTME...
Financial Services 0.83% 1.09% #8 1
Prev: #7
2.3
100,000 12.5%
P
S
900,000 $11,340,000 2025 Q1 13F Filing 2026-03-31 2026-05-15
WULF
TERAWULF INC
Financial Services 0.32% #9
Prev: #—
3.6
300,000
NEW
300,000 $4,329,000 2026 Q1 13F Filing 2026-03-31 2026-05-15
ATUS
OPTIMUM COMMUNI...
Unknown 0.10% 0.15% #10 1
Prev: #9
1.0
no change no change
P
S
1,070,800 $1,392,040 2021 Q3 13F Filing 2026-03-31 2026-05-15
DVAX
DYNAVAX TECHNOL...
Unknown 0.00% 0.06%
Sold All 😨
(Was: #10)
0.0
-44,499 -100.0%
CLOSED
$— 2015 Q2 13F Filing 2026-03-31 2026-05-15
Showing 1-11 of 11 holdings

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