Skip to content
Disclosery

Fortress Investment Group LLC

Follow

13F filer, CIK 1380393, NEW YORK, NY

Fortress Investment Group LLC reported $393,788,455 across 34 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 91.59% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001085146-26-000414

Period
2026-03-31
Reported value
$394M
Holdings
34
Top 10 weight
91.59%
New
18
Sold out
21

Part of the filer group Fortress Investment Group LLC

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MASInew+35,900$6.39M
PENnew+14,680$4.82M
STELnew+89,200$3.27M
KVUEnew+163,000$2.81M
NSAnew+68,763$2.6M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
RJETexited-250,804-$4.61M
ASPEN INSURANCE HOLDINGS-Aexited-98,430-$3.65M
CMAexited-37,200-$3.23M
KBONUexited-307,023-$3.09M
EXASexited-28,500-$2.89M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001085146-26-000414, largest first. % of portfolio is the value over $391,824,205, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
NNNEXTNAV INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 14,178,054 shares; 2024Q4: 14,178,054 shares; 2025Q1: 14,178,054 shares; 2025Q2: 14,178,054 shares; 2025Q3: 14,178,054 shares; 2025Q4: 14,178,054 shares; 2026Q1: 14,178,054 shares 14,178,054$227M57.97%0Timeline
IBITISHARES BITCOIN TRUST ETFQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,325,000 shares; 2024Q4: 1,325,000 shares; 2025Q1: 1,325,000 shares; 2025Q2: 1,325,000 shares; 2025Q3: 1,325,000 shares; 2025Q4: 1,325,000 shares; 2026Q1: 1,325,000 shares 1,325,000$50.9M12.99%0Timeline
PLBYPLAYBOY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,581,218 shares; 2024Q4: 2,581,218 shares; 2025Q1: 5,848,953 shares; 2025Q2: 5,848,953 shares; 2025Q3: 16,589,531 shares; 2025Q4: 16,589,531 shares; 2026Q1: 16,589,531 shares 16,589,531$25.2M6.44%0Timeline
FFWMFIRST FNDTN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 3,324,750 shares; 2024Q4: 4,038,750 shares; 2025Q1: 4,038,750 shares; 2025Q2: 4,038,750 shares; 2025Q3: 4,038,750 shares; 2025Q4: 4,038,750 shares; 2026Q1: 4,038,750 shares 4,038,750$23.8M6.08%0Timeline
NFENEW FORTRESS ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 13,399,317 shares; 2024Q4: 13,399,317 shares; 2025Q1: 13,399,317 shares; 2025Q2: 13,399,317 shares; 2025Q3: 13,399,317 shares; 2025Q4: 13,399,317 shares; 2026Q1: 13,399,317 shares 13,399,317$7.91M2.02%0Timeline
MASIMASIMO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 35,900 shares 35,900$6.39M1.63%newTimeline
GTLSCHART INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 11,443 shares; 2026Q1: 23,701 shares 23,701$4.9M1.25%+12,258Timeline
PENPENUMBRA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 14,680 shares 14,680$4.82M1.23%newTimeline
LBRDKLIBERTY BROADBAND CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 40,800 shares; 2026Q1: 84,061 shares 84,061$4.23M1.08%+43,261Timeline
FOLDAMICUS THERAPEUTICQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 110,000 shares; 2026Q1: 245,900 shares 245,900$3.56M0.91%+135,900Timeline
STELSTELLAR BANCORP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 89,200 shares 89,200$3.27M0.83%newTimeline
WBDWARNER BROS DISCOVERY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 36,600 shares; 2026Q1: 103,275 shares 103,275$2.84M0.72%+66,675Timeline
KVUEKENVUE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 163,000 shares 163,000$2.81M0.72%newTimeline
NSANATIONAL STORAGE AFFILIATESQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 68,763 shares 68,763$2.6M0.66%newTimeline
EAELECTRONIC ARTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 5,650 shares; 2026Q1: 10,500 shares 10,500$2.14M0.55%+4,850Timeline
ACLXARCELLX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 18,183 shares 18,183$2.09M0.53%newTimeline
WBSWEBSTER FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 29,526 shares 29,526$2.05M0.52%newTimeline
FVAVFORTRESS VALUE ACQU CORP VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 200,000 shares 200,000$2.01M0.51%newTimeline
TPHTRI POINTE HOMES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 39,900 shares 39,900$1.86M0.48%newTimeline
NSCNORFOLK SOUTHN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 6,225 shares; 2026Q1: 6,225 shares 6,225$1.79M0.46%0Timeline
CSGSCSG SYS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 22,290 shares 22,290$1.78M0.45%newTimeline
APLSAPELLIS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 40,000 shares 40,000$1.61M0.41%newTimeline
TERNTERNS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 30,000 shares 30,000$1.58M0.4%newTimeline
CTRACOTERRA ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 40,000 shares 40,000$1.41M0.36%newTimeline
SLABSILICON LABORATORIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 5,554 shares 5,554$1.16M0.3%newTimeline
CNTACENTESSA PHARMACEUTICALS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 20,000 shares 20,000$794K0.2%newTimeline
OLPXOLAPLEX HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 373,131 shares 373,131$757K0.19%newTimeline
RNAATRIUM THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 22,033 shares 22,033$295K0.08%newTimeline
MARAMARA HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 14,056 shares; 2024Q4: 14,056 shares; 2025Q1: 14,056 shares; 2025Q2: 14,056 shares; 2025Q3: 14,056 shares; 2025Q4: 14,056 shares; 2026Q1: 14,056 shares 14,056$115K0.03%0Timeline
SPCBSUPERCOM LTD NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 534 shares; 2024Q4: 534 shares; 2025Q1: 534 shares; 2025Q2: 534 shares; 2025Q3: not reported; 2025Q4: 534 shares; 2026Q1: 534 shares 534$4.18K<0.01%0Timeline
TTANSERVICETITAN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 28 shares; 2026Q1: 28 shares 28$1.78K<0.01%0Timeline
SMRTSMARTRENT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 932 shares; 2024Q4: 932 shares; 2025Q1: 932 shares; 2025Q2: 932 shares; 2025Q3: not reported; 2025Q4: 932 shares; 2026Q1: 932 shares 932$1.4K<0.01%0Timeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
WBDWARNER BROS DISCOVERY INC Stockput50,000$1.37M+35,000
CWANCLEARWATER ANALYTICS HLDGS I CL Acall25,000$591Knew

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
RJETREPUBLIC AWYS HLDGS INC250,804$4.61Mshares
ASPEN INSURANCE HOLDINGS-AASPEN INSURANCE HOLDINGS-A98,430$3.65Mshares
CMACOMERICA INC37,200$3.23Mshares
KBONUKARBON CAP PARTNERS CORP307,023$3.09Mshares
EXASEXACT SCIENCES CORP28,500$2.89Mshares
LMRILUMEXA IMAGING HOLDINGS INC152,573$2.82Mshares
CYBERARK SOFTWARE LTD/ISRAELCYBERARK SOFTWARE LTD/ISRAEL5,995$2.67Mshares
KKR & CO INCKKR & CO INC50,000$2.59Mshares
CADECADENCE BANK58,750$2.52Mshares
RNAMAVIDITY BIOSCIENCES INC34,402$2.48Mshares
SHCSOTERA HEALTH CO124,700$2.2Mshares
FYBRFRONTIER COMMUNICATIONS PARE46,500$1.77Mshares
LGNLEGENCE CORP40,704$1.75Mshares
CFLTCONFLUENT INC-CLASS A55,000$1.66Mshares
CDTXCIDARA THERAPEUTICS INC7,250$1.6Mshares
MDUMDU RES GROUP INC67,304$1.31Mshares
RNAMAVIDITY BIOSCIENCES INC10,000$721Kput
ALHALLIANCE LAUNDRY HLDGS INC32,703$666Kshares
CWANCLEARWATER ANALYTICS HLDGS I10,000$241Kshares
GWREGUIDEWIRE SOFTWARE INC600$121Kshares
SAROSTANDARDAERO INC2,606$74.7Kshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001085146-26-000414 base2026-05-15acceptance time not in the bulk data set