MHR Fund Management LLC
13F filer · CIK 0001277742Reported Aug 14, 2026
Net buyer this quarter
13F portfolio value$1.92BU.S. long equity reported on 13F
Positions111 new · 0 closed
Net flow last quarter+$14.6MBuys minus sells
Top 10 positions weight100.0%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 14, 202611 positions | |||||
| $913M | 47.56% | Not reported | Not reported | Q4 2021 | |
| $576M | 30.03% | 12.95% | Not reported | Q2 2025 | |
| $136M | 7.07% | 4.11% | +10.5% | Q3 2024 | |
| $121M | 6.28% | 6.39% | Not reported | Q4 2022 | |
| $82.6M | 4.31% | 17.04% | Not reported | Q2 2025 | |
| $47.3M | 2.46% | 0.07% | Not reported | Q3 2021 | |
| $23.3M | 1.22% | 0.53% | Not reported | Q3 2025 | |
| $11M | 0.57% | Not reported | +11.1% | Q1 2025 | |
| $7.41M | 0.39% | 0.06% | Not reported | Q1 2026 | |
| $1.55M | 0.08% | 0.38% | Not reported | Q3 2021 | |
| $562K | 0.03% | 0.00% | New | Q2 2026 | |
| Q1 2026Reported May 15, 202610 positions | |||||
| $653M | 47.72% | Not reported | Not reported | Q4 2021 | |
| $361M | 26.39% | 12.97% | Not reported | Q2 2025 | |
| $141M | 10.28% | 3.71% | Not reported | Q3 2024 | |
| $102M | 7.43% | 6.61% | Not reported | Q4 2022 | |
| $44.5M | 3.25% | 0.07% | Not reported | Q3 2021 | |
| $32.9M | 2.41% | 17.04% | Not reported | Q2 2025 | |
| $17.4M | 1.27% | 0.52% | +91.5% | Q3 2025 | |
| $11.3M | 0.83% | Not reported | +12.5% | Q1 2025 | |
| $4.33M | 0.32% | 0.07% | New | Q1 2026 | |
| $1.39M | 0.10% | 0.37% | Not reported | Q3 2021 | |
| Q4 2025Reported Feb 17, 202610 positions | |||||
| $525M | 45.17% | Not reported | Not reported | Q4 2021 | |
| $344M | 29.58% | 12.99% | Not reported | Q2 2025 | |
| $98.6M | 8.48% | 3.71% | +7.6% | Q3 2024 | |
| $79.1M | 6.81% | 7.03% | Not reported | Q4 2022 | |
| $57.8M | 4.98% | 0.07% | Not reported | Q3 2021 | |
| $33.5M | 2.88% | 17.15% | Not reported | Q2 2025 | |
| $12.7M | 1.09% | Not reported | Not reported | Q1 2025 | |
| $9.21M | 0.79% | 0.27% | Not reported | Q3 2025 | |
| $1.77M | 0.15% | 0.37% | +538.1% | Q3 2021 | |
| DTDVAXDynavax Technologies Corp | $684K | 0.06% | 0.04% | Not reported | Q2 2013 |
| Q3 2025Reported Nov 14, 202510 positions | |||||
| $478M | 46.81% | Not reported | Not reported | Q4 2021 | |
| $260M | 25.44% | 13.00% | Not reported | Q2 2025 | |
| $103M | 10.08% | 3.42% | +24.0% | Q3 2024 | |
| $62.9M | 6.16% | 7.51% | Not reported | Q4 2022 | |
| $53.2M | 5.21% | 0.07% | -15.9% | Q3 2021 | |
| $42.2M | 4.13% | 17.12% | Not reported | Q2 2025 | |
| $11.7M | 1.14% | Not reported | +27.4% | Q1 2025 | |
| $9.52M | 0.93% | 0.27% | New | Q3 2025 | |
| DTDVAXDynavax Technologies Corp | $442K | 0.04% | 0.04% | Not reported | Q2 2013 |
| $404K | 0.04% | 0.06% | Not reported | Q3 2021 | |
Premium opens every quarter this fund has filed