Institutional
Fortress Investment Group LLC
CIK 0001380393
$393.8M
Reported AUM
33
Positions
Q1 2026
Period
2026-05-15
Filed
The Brief · Fortress Investment Group LLC · Q1 2026
AI · grounded in 13F
Fortress Investment Group LLC closed its position in Republic Airways Holdings Inc RJET, reducing exposure by $4.6M. The fund established several new positions, led by a $6.38M investment in Masimo Corp MASI and $4.82M in Penumbra Inc PEN. Additionally, the fund added a new position in Stellar Bancorp Inc STEL worth $3.26M and increased its stake in Warner Bros Discovery Inc WBD by 197.04%.
Portfolio · Q1 2026
Top holdings
QoQ vs Q4 2025
| # | Ticker | Issuer | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|
| 1 | NN | NEXTNAV INC | $227.1M | 57.68% | — | HELD |
| 2 | IBIT | ISHARES BITCOIN TRUST ETF | $50.9M | 12.93% | — | HELD |
| 3 | PLBY | PLAYBOY INC | $25.2M | 6.40% | — | HELD |
| 4 | FFWM | FIRST FNDTN INC | $23.8M | 6.05% | — | HELD |
| 5 | NFE | NEW FORTRESS ENERGY INC | $7.9M | 2.01% | — | HELD |
| 6 | MASI | MASIMO CORP | $6.4M | 1.62% | +35,900 | NEW |
| 7 | GTLS | CHART INDS INC | $4.9M | 1.24% | +12,258 | +107.1% |
| 8 | PEN | PENUMBRA INC | $4.8M | 1.22% | +14,680 | NEW |
| 9 | LBRDK | LIBERTY BROADBAND CORP | $4.2M | 1.07% | +43,261 | +106.0% |
| 10 | WBD | WARNER BROS DISCOVERY INC | $4.2M | 1.07% | +101,675 | +197.0% |
| 11 | AM6 | AMICUS THERAPEUTIC | $3.6M | 0.90% | +135,900 | +123.5% |
| 12 | STEL | STELLAR BANCORP INC | $3.3M | 0.83% | +89,200 | NEW |
| 13 | KVUE | KENVUE INC | $2.8M | 0.71% | +163,000 | NEW |
| 14 | NSA | NATIONAL STORAGE AFFILIATES | $2.6M | 0.66% | +68,763 | NEW |
| 15 | EA | ELECTRONIC ARTS INC | $2.1M | 0.54% | +4,850 | +85.8% |
| 16 | ACLXGBX | ARCELLX INC | $2.1M | 0.53% | +18,183 | NEW |
| 17 | WBS | WEBSTER FINL CORP | $2.0M | 0.52% | +29,526 | NEW |
| 18 | FVAV | FORTRESS VALUE ACQU CORP V | $2.0M | 0.51% | +200,000 | NEW |
| 19 | T86 | TRI POINTE HOMES INC | $1.9M | 0.47% | +39,900 | NEW |
| 20 | NSC | NORFOLK SOUTHN CORP | $1.8M | 0.45% | — | HELD |
| 21 | CSN | CSG SYS INTL INC | $1.8M | 0.45% | +22,290 | NEW |
| 22 | APLSUSD | APELLIS PHARMACEUTICALS INC | $1.6M | 0.41% | +40,000 | NEW |
| 23 | 430 | TERNS PHARMACEUTICALS INC | $1.6M | 0.40% | +30,000 | NEW |
| 24 | CTRA | COTERRA ENERGY INC | $1.4M | 0.36% | +40,000 | NEW |
| 25 | SLAB | SILICON LABORATORIES INC | $1.2M | 0.29% | +5,554 | NEW |
| 26 | CNTA | CENTESSA PHARMACEUTICALS PLC | $794K | 0.20% | +20,000 | NEW |
| 27 | OLPX | OLAPLEX HLDGS INC | $757K | 0.19% | +373,131 | NEW |
| 28 | CWAN | CLEARWATER ANALYTICS HLDGS I | $591K | 0.15% | +15,000 | +150.0% |
| 29 | RNA | ATRIUM THERAPEUTICS INC | $295K | 0.07% | +22,033 | NEW |
| 30 | MARA | MARA HOLDINGS INC | $115K | 0.03% | — | HELD |
| 31 | SPCB | SUPERCOM LTD NEW | $4K | 0.00% | — | HELD |
| 32 | TTAN | SERVICETITAN INC | $2K | 0.00% | — | HELD |
| 33 | SMRT | SMARTRENT INC | $1K | 0.00% | — | HELD |
| 34 | RJET | REPUBLIC AWYS HLDGS INC | — | — | -250,804 | EXITED |
| 35 | 8ZV | ASPEN INSURANCE HOLDINGS LTD | — | — | -98,430 | EXITED |
| 36 | CMA | COMERICA INC | — | — | -37,200 | EXITED |
| 37 | RNAGBP | AVIDITY BIOSCIENCES INC | — | — | -44,402 | EXITED |
| 38 | KBONU | KARBON CAP PARTNERS CORP | — | — | -307,023 | EXITED |
| 39 | EXK | EXACT SCIENCES CORP | — | — | -28,500 | EXITED |
| 40 | LMRI | LUMEXA IMAGING HOLDINGS INC | — | — | -152,573 | EXITED |
| 41 | CYBR | CYBERARK SOFTWARE LTD | — | — | -5,995 | EXITED |
| 42 | KKR 6.25 03/01/28 D | KKR & CO INC | — | — | -50,000 | EXITED |
| 43 | CADE | CADENCE BANK | — | — | -58,750 | EXITED |
| 44 | SHC | SOTERA HEALTH CO | — | — | -124,700 | EXITED |
| 45 | FYBR | FRONTIER COMMUNICATIONS PARE | — | — | -46,500 | EXITED |
| 46 | LGN | LEGENCE CORP | — | — | -40,704 | EXITED |
| 47 | 8QR | CONFLUENT INC | — | — | -55,000 | EXITED |
| 48 | CDTX | CIDARA THERAPEUTICS INC | — | — | -7,250 | EXITED |
| 49 | MDU | MDU RES GROUP INC | — | — | -67,304 | EXITED |
| 50 | ALH | ALLIANCE LAUNDRY HLDGS INC | — | — | -32,703 | EXITED |
| 51 | GWRE | GUIDEWIRE SOFTWARE INC | — | — | -600 | EXITED |
| 52 | SARO | STANDARDAERO INC | — | — | -2,606 | EXITED |
Source: SEC EDGAR · accession 0001085146-26-000414. 13F discloses long positions only — shorts, foreign equities, and options are excluded.