MHR FUND MANAGEMENT LLC — 13F Holdings & Portfolio
CIK 1277742 · latest 13F-HR filed 2026-08-14
MHR FUND MANAGEMENT LLC manages $1.92B in 13F-reported U.S. long-equity assets across 11 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are TSAT (47.56%), LION (30.03%), HAFN (7.07%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position, exited 0, added to 8, and trimmed 0.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
FLOOR 24
NEW YORK, NY 10019
$1.92B
Long-equity book
11
Distinct positions
2026-06-30
Filed 2026-08-14
+1 / −0 / ↑8 / ↓0
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- TELESAT CORP$260.1M +39.8%
- LIONSGATE STUDIOS CORP$215.3M +59.6%
- STARZ ENTERTAINMENT CORP.$49.7M +151.0%
- IOVANCE BIOTHERAPEUTICS INC$18.8M +18.5%
- GRIFFON CORP$5.9M +34.2%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | TELESAT CORP | TSAT | 879512309 | $912.9M | 47.56% | 18,035,092 | SH |
| 2 | LIONSGATE STUDIOS CORP | LION | 53626N102 | $576.4M | 30.03% | 37,648,498 | SH |
| 3 | HAFNIA LTD | HAFN | Y2990R101 | $135.8M | 7.07% | 20,446,652 | SH |
| 4 | IOVANCE BIOTHERAPEUTICS INC | IOVA | 462260100 | $120.5M | 6.28% | 28,967,103 | SH |
| 5 | STARZ ENTERTAINMENT CORP. | STRZ | 855919106 | $82.6M | 4.31% | 2,863,232 | SH |
| 6 | APOLLO GLOBAL MGMT INC | APO | 03769M106 | $47.3M | 2.46% | 399,505 | SH |
| 7 | GRIFFON CORP | GFF | 398433102 | $23.3M | 1.22% | 239,392 | SH |
| 8 | PATRIA INVESTMENTS LIMITED | PAX | G69451105 | $11.0M | 0.57% | 1,000,000 | SH |
| 9 | TERAWULF INC | WULF | 88080T104 | $7.4M | 0.39% | 300,000 | SH |
| 10 | OPTIMUM COMMUNICATIONS INC | OPTU | 02156K103 | $1.6M | 0.08% | 1,070,800 | SH |
| 11 | STMICROELECTRONICS N V | STM | 861012102 | $561.7K | 0.03% | 7,500 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $1.92B | 11 | 0001011438-26-000543 |
| 2026-03-31 | 2026-05-15 | $1.37B | 10 | 0001011438-26-000344 |
| 2025-12-31 | 2026-02-17 | $1.16B | 10 | 0001011438-26-000142 |
| 2025-09-30 | 2025-11-14 | $1.02B | 10 | 0001011438-25-000575 |