13F Insight
DOSSIER · 13F-HR · Q2 2026

IRIDIAN ASSET MANAGEMENT LLC/CT

$291M in tracked AUM across 45 positions as of Q2 2026.

IA
CIK 0001033427 · last filed Jun 30, 2026
Total AUM
$291M
as of Q2 2026
Holdings
45
—
positions
Whale Score
67
67
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026
Comprehensive Analysis of Iridian Asset Management LLC (SEC 13F Filing)
Portfolio Overview

Iridian Asset Management LLC reported a significant expansion in its portfolio for the period ending December 31, 2025. The total portfolio value surged by 102.8%, rising from $133.91M to $271.62M. This dramatic increase in Assets Under Management (AUM) was driven not only by potential market appreciation but also by a substantial increase in portfolio activity, with the number of holdin...

The portfolio is moderately concentrated, with the top 10 positions accounting for approximately 57% of the total value. The manager demonstrates a high turnover strategy, characterized by aggressive portfolio rotation this quarter. The filing indicates a major restructuring, with 21 new positions initiated, 3 complete exits, and significant churn among existing stakes (9 increases and 12 reductions). This suggests an active management style focused on capitalizing on specific short-to-medium term opportunities rather than passive indexing.

Key Holdings
Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
ACVA
ACV AUCTIONS INC
$33M4.6M11.3%02
G4412G101
HERBALIFE LTD
$27M2.1M9.4%03
HGV
HILTON GRAND VACATIONS INC
$24M461K8.3%04
PGEN
PRECIGEN INC
$23M4.0M7.9%05
POST
POST HLDGS INC
$20M225K6.8%06
LAD
LITHIA MTRS INC
$19M64K6.4%07
TNL
TRAVEL PLUS LEISURE CO
$15M196K5.2%08
NVCT
NUVECTIS PHARMA INC
$14M777K4.9%09
AXSM
AXSOME THERAPEUTICS INC.
$12M48K4.0%10
ESI
ELEMENT SOLUTIONS INC
$9M185K3.0%

Filing history

2026Q2Jun 30
$291M▲ 7.2%
45 positionsView →2025Q4Dec 31
$272M▲ 6.9%
46 positionsView →2025Q3Sep 30
$254M▼ 12.0%
43 positionsView →2025Q2Jun 30
$289M▲ 91.8%
42 positionsLocked2025Q1Mar 31
$151M▼ 60.0%
28 positionsLocked2024Q4Dec 31
$376M▼ 19.5%
49 positionsLocked2024Q3Sep 30
$467M▲ 5.4%
54 positionsLocked2024Q2Jun 30
$443M▼ 13.1%
52 positionsLocked2024Q1Mar 31
$510M▼ 7.5%
55 positionsLocked2023Q4Dec 31
$551M▲ 11.6%
54 positionsLocked2023Q3Sep 30
$494M▼ 54.0%
51 positionsLocked2023Q2Jun 30
$1.1B▼ 11.9%
52 positionsLocked
Showing 12 of 80