Fortress Investment Group LLC In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Fortress Investment Group LLC reported 32 stock positions worth $391.8 million . Its top holding was Nextnav (NN) at 58.0% of the portfolio, followed by iShares Bitcoin Trust ETF (IBIT, 13.0% ) and Playboy (PLBY, 6.4% ). Compared with Q4 2025, it opened 17 new positions, sold out of 19 and added to 5. The biggest buy was a new position in Masimo (MASI) and the biggest sale an exit from Republic Airways (RJET).
Location NEW YORK, NY
CIK 0001380393
Portfolio Value $391.8M (Q1 2026) Holdings 32 stocks · $391.8M Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q4 2025 NN Nextnav Inc. 14,178,054 $227.1M No change IBIT iShares Bitcoin Trust ETF 1,325,000 $50.9M No change PLBY Playboy Inc. 16,589,531 $25.2M No change FFWM First Foundation Inc. 4,038,750 $23.8M No change NFE New Fortress Energy Inc. 13,399,317 $7.9M No change MASI Masimo Corp. 35,900 $6.4M New GTLS Chart Industries Inc. 23,701 $4.9M Add +107.1% PEN Penumbra Inc. 14,680 $4.8M New LBRDK Liberty Broadband-C 84,061 $4.2M Add +106.0% FOLD Amicus Therapeutics Inc. 245,900 $3.6M Add +123.5% STEL Stellar Bancorp Inc. 89,200 $3.3M New WBD Warner Bros Discovery Inc. 103,275 $2.8M Add +182.2% KVUE Kenvue Inc. 163,000 $2.8M New NSA National Storage Affiliates 68,763 $2.6M New EA Electronic Arts Inc. 10,500 $2.1M Add +85.8% ACLX Arcellx Inc. 18,183 $2.1M New WBS Webster Financial Corp. 29,526 $2.0M New FVAV Fortress Value Acquis V Class A 200,000 $2.0M New TPH Tri Pointe Homes Inc. 39,900 $1.9M New NSC Norfolk Southern Corp. 6,225 $1.8M No change CSGS CSG Systems Intl Inc. 22,290 $1.8M New APLS Apellis Pharmaceuticals Inc. 40,000 $1.6M New TERN Terns Pharmaceuticals Inc. 30,000 $1.6M New CTRA Coterra Energy Inc. 40,000 $1.4M New SLAB Silicon Laboratories Inc. 5,554 $1.2M New CNTA Centessa Pharmaceuticals Ltd. 20,000 $794K New OLPX Olaplex Holdings Inc. 373,131 $757K New RNA Atrium Therapeutics Inc. 22,033 $295K New MARA Mara Holdings Inc. 14,056 $115K No change SPCB Supercom Ltd. 534 $4K No change TTAN Servicetitan Inc. Class A 28 $2K No change SMRT Smartrent Inc. 932 $1K No change
Options reported separately and not counted above: WBD puts ($1.4M), CWAN calls ($591K).
Portfolio Sells Q4 2025 → Q1 2026 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▲ RJET Republic Airways Holdings Inc. Sold out 0.00% −1.09 AHL Aspen Insurance Holdings Class A Sold out 0.00% −0.86 CMA Comerica Inc. Sold out 0.00% −0.77 KBONU Karbon Capital Partners Corp. Sold out 0.00% −0.73 EXAS Exact Sciences Corp. Sold out 0.00% −0.69 LMRI Lumexa Imaging Holdings Inc. Sold out 0.00% −0.67 CYBR Cyberark Software Ltd./Israel Sold out 0.00% −0.63 CADE Cadence Bank Sold out 0.00% −0.60 RNAM Avidity Biosciences Inc. Sold out 0.00% −0.59 SHC Sotera Health Co. Sold out 0.00% −0.52 FYBR Frontier Communications Pare Sold out 0.00% −0.42 LGN Legence Corp. Class A Sold out 0.00% −0.41 CFLT Confluent Inc. Class A Sold out 0.00% −0.39 CDTX Cidara Therapeutics Inc. Sold out 0.00% −0.38 MDU Mdu Resources Group Inc. Sold out 0.00% −0.31 ALH Alliance Laundry Holdings Inc. Sold out 0.00% −0.16 CWAN Clearwater Analytics HDS-A Sold out 0.00% −0.06 GWRE Guidewire Software Inc. Sold out 0.00% −0.03 SARO Standardaero Inc. Sold out 0.00% −0.02
Portfolio Buys Q4 2025 → Q1 2026 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2025 % Of Portfolio Change To Portfolio ▼ MASI Masimo Corp. New 1.63% +1.63 PEN Penumbra Inc. New 1.23% +1.23 STEL Stellar Bancorp Inc. New 0.83% +0.83 KVUE Kenvue Inc. New 0.72% +0.72 GTLS Chart Industries Inc. Add +107.1% 1.25% +0.69 NSA National Storage Affiliates New 0.66% +0.66 LBRDK Liberty Broadband-C Add +106.0% 1.08% +0.61 FOLD Amicus Therapeutics Inc. Add +123.5% 0.91% +0.54 ACLX Arcellx Inc. New 0.53% +0.53 WBS Webster Financial Corp. New 0.52% +0.52 FVAV Fortress Value Acquis V Class A New 0.51% +0.51 TPH Tri Pointe Homes Inc. New 0.48% +0.48 WBD Warner Bros Discovery Inc. Add +182.2% 0.72% +0.47 CSGS CSG Systems Intl Inc. New 0.45% +0.45 APLS Apellis Pharmaceuticals Inc. New 0.41% +0.41 TERN Terns Pharmaceuticals Inc. New 0.40% +0.40 CTRA Coterra Energy Inc. New 0.36% +0.36 SLAB Silicon Laboratories Inc. New 0.29% +0.29 EA Electronic Arts Inc. Add +85.8% 0.55% +0.27 CNTA Centessa Pharmaceuticals Ltd. New 0.20% +0.20 OLPX Olaplex Holdings Inc. New 0.19% +0.19 RNA Atrium Therapeutics Inc. New 0.08% +0.08
Options Activity Q4 2025 → Q1 2026 Security Type Change vs Q4 2025 Underlying Shares Value ▼ WBD Warner Bros Discovery Inc. put Add +233.3% 50,000 $1.4M RNAM Avidity Biosciences Inc. put Sold out 10,000 $721Kbefore exit CWAN Clearwater Analytics HDS-A call New 25,000 $591K
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
Notes & Other Activity Q4 2025 → Q1 2026 Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 25 $530.6M NN, FSUN, IBIT, PLBY, KVUE Q1 2026 32 $391.8M NN, IBIT, PLBY, FFWM, NFE Q4 2025 34 $422.5M NN, IBIT, PLBY, FFWM, NFE Q3 2025 43 $737.1M NN, IBIT, KRMN, SITM, NFE Q2 2025 56 $693.4M NN, IBIT, NFE, AJG, BRO Q1 2025 34 $562.3M NN, NFE, TLN, IBIT, SARO Q4 2024 24 $629.2M NN, NFE, TLN, IBIT, FFWM Q3 2024 13 $444.9M NFE, NN, TLN, FIP, IBIT Q2 2024 11 $466.3M NFE, NN, IBIT, FIP, PLBY Q1 2024 13 $569.0M NFE, NN, IBIT, FIP, PLBY