Fortress Investment Group LLC

Fundamental concentrated ★Signal technology specialist (66%) CIK 1380393
League rank
#974
in Fundamental concentrated · #7369 overall
Long book
$391.8M
Q1 2026
Positions
32
Top-10 weight
92%
concentration
Last quarter
-2.3%
SPY +14.8%
Turnover
71%
of book per quarter

Strategy in plain words

auto-generated from filings

Fortress Investment Group LLC is a concentrated fundamental stock-picker, specialised in technology (66% of the long book), running a $391.8M US long book across 32 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: NEXTNAV INC, ISHARES BITCOIN TRUST ETF, PLAYBOY INC, FIRST FOUNDATION INC, NEW FORTRESS ENERGY INC.

Over the last 9 quarters its long book ran on average 7.1pp per quarter behind the S&P 500, beating the index in 2 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-17.6%
Q2 2024
-38.2%
Q3 2024
+51.1%
Q4 2024
-25.1%
Q1 2025
+25.4%
Q2 2025
-5.0%
Q3 2025
-1.2%
Q4 2025
-10.3%
Q1 2026
-2.3%

Sector allocation

Technology
68%
Other
14%
Consumer discretionary
7%
Utilities
2%
Financials
2%
Communications
2%
Industrials
2%
Healthcare
2%

Long book by quarter

$569.0M
Q1 2024
$466.3M
Q2 2024
$444.9M
Q3 2024
$629.2M
Q4 2024
$459.0M
Q1 2025
$706.2M
Q2 2025
$747.1M
Q3 2025
$425.1M
Q4 2025
$391.8M
Q1 2026

What does Fortress Investment own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NN NEXTNAV INCTechnology14.2M$227.1M58.0%Held
PLBY PLAYBOY INCConsumer discretionary16.6M$25.2M6.4%Held
FFWM FIRST FOUNDATION INC4.0M$23.8M6.1%Held
NFE NEW FORTRESS ENERGY INCUtilities13.4M$7.9M2.0%Held
MASI* MASIMO CORP35.9K$6.4M1.6%New
GTLS CHART INDUSTRIES INCIndustrials23.7K$4.9M1.3%+107.1%
PEN PENUMBRA INCHealthcare14.7K$4.8M1.2%New
LBRDK LIBERTY BROADBAND-CCommunications84.1K$4.2M1.1%+106.0%
AM6 AMICUS THERAPEUTICS INC245.9K$3.6M0.9%+123.5%
STEL STELLAR BANCORP INCFinancials89.2K$3.3M0.8%New
WBD WARNER BROS DISCOVERY INCCommunications103.3K$2.8M0.7%+182.2%
KVUE KENVUE INCOther163.0K$2.8M0.7%New
EA ELECTRONIC ARTS INCTechnology10.5K$2.1M0.5%+85.8%
ACLXGBX ARCELLX INC18.2K$2.1M0.5%New
WBS WEBSTER FINANCIAL CORPFinancials29.5K$2.0M0.5%New
FVAV FORTRESS VALUE ACQUIS V-CL AFinancials200.0K$2.0M0.5%New
T86 TRI POINTE HOMES INC39.9K$1.9M0.5%New
NSC NORFOLK SOUTHERN CORPIndustrials6.2K$1.8M0.5%Held
VICI Vici properties incReal estate22.3K$1.8M0.5%New
APLSUSD APELLIS PHARMACEUTICALS INC40.0K$1.6M0.4%New
430 TERNS PHARMACEUTICALS INC30.0K$1.6M0.4%New
CTRA COTERRA ENERGY INC40.0K$1.4M0.4%New
SLAB SILICON LABORATORIES INCTechnology5.6K$1.2M0.3%New
OLPX OLAPLEX HOLDINGS INCOther373.1K$757K0.2%New
RNA ATRIUM THERAPEUTICS INCHealthcare22.0K$295K0.1%New
MARA MARA HOLDINGS INCFinancials14.1K$115K0.0%Held
SPCB SUPERCOM LTDTechnology534$4K0.0%Held
TTAN SERVICETITAN INC-ATechnology28$2K0.0%Held
SMRT SMARTRENT INCTechnology932$1K0.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202635$393.8M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202638$426.2M canonicalSEC ↗
Q3 202513F-HRNov 14, 202549$753.0M canonicalSEC ↗
Q2 202513F-HRAug 14, 202560$706.2M canonicalSEC ↗
Q1 202513F-HRMay 14, 202538$459.0M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202527$629.2M canonicalSEC ↗
Q3 202413F-HRNov 14, 202416$444.9M canonicalSEC ↗
Q2 202413F-HRAug 14, 202413$466.3M canonicalSEC ↗
Q1 202413F-HRMay 15, 202417$583.7M canonicalSEC ↗