13F Insight
DOSSIER · 13F-HR · Q1 2026

Fortress Investment Group LLC

$394M in tracked AUM across 35 positions as of Q1 2026.

FI
CIK 0001380393 · last filed Mar 31, 2026
Total AUM
$394M
as of Q1 2026
Holdings
35
—
positions
Whale Score
67
67
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive Analysis of Fortress Investment Group LLC 13F Filing (Q3 2025)
Portfolio Overview

Fortress Investment Group LLC reported a significant contraction in its disclosed 13F portfolio for the quarter ending September 30, 2025. The total portfolio value decreased by 16.3%, falling from $706.25 million to $590.89 million. This reduction in value is attributable to a combination of market performance and a substantial decrease in the number of holdings, which dropped from ...

The portfolio demonstrates a high degree of concentration, with the top ten holdings accounting for approximately 79% of the total assets. This suggests a high-conviction strategy focused on specific idiosyncratic opportunities rather than broad market indexing. The turnover was exceptionally high this quarter; the firm executed 49 distinct transactions (14 new positions, 35 sold positions), indicating a dynamic and actively managed strategy with a rapid reallocation of capital.

Key Holdings

The portfolio is dominated by a few massive positions that dictate its performance trajectory.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
NN
NEXTNAV INC
$227M14.2M57.7%02
IBIT
ISHARES BITCOIN TRUST ETF
$51M1.3M12.9%03
PLBY
PLAYBOY INC
$25M16.6M6.4%04
FFWM
FIRST FNDTN INC
$24M4.0M6.1%05
NFE
NEW FORTRESS ENERGY INC
$8M13.4M2.0%06
MASI
MASIMO CORP
$6M36K1.6%07
GTLS
CHART INDS INC
$5M24K1.2%08
PEN
PENUMBRA INC
$5M15K1.2%09
LBRDK
LIBERTY BROADBAND CORP
$4M84K1.1%10
WBD
WARNER BROS DISCOVERY INC
$4M153K1.1%

Filing history

2026Q1Mar 31
$394M▼ 7.6%
35 positionsView →2025Q4Dec 31
$426M▼ 27.9%
38 positionsView →2025Q3Sep 30
$591M▼ 16.3%
32 positionsView →2025Q2Jun 30
$706M▲ 63.1%
60 positionsLocked2025Q1Mar 31
$433M▼ 31.2%
28 positionsLocked2024Q4Dec 31
$629M▲ 41.4%
27 positionsLocked2024Q3Sep 30
$445M▼ 4.6%
16 positionsLocked2024Q2Jun 30
$466M▼ 20.1%
13 positionsLocked2024Q1Mar 31
$584M▼ 30.5%
17 positionsLocked2023Q4Dec 31
$839M▲ 13.4%
21 positionsLocked2023Q3Sep 30
$740M▲ 24.9%
25 positionsLocked2023Q2Jun 30
$592M▲ 2.8%
32 positionsLocked
Showing 12 of 76