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

ALPINE ASSOCIATES MANAGEMENT INC.

$1.6B in tracked AUM across 66 positions as of Q2 2026.

AA
CIK 0001396835 · last filed Jun 30, 2026
Total AUM
$1.6B
as of Q2 2026
Holdings
66
—
positions
Whale Score
70
70
strong
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

Portfolio Overview

ALPINE ASSOCIATES MANAGEMENT INC. has undergone a significant transformation in the quarter ending September 30, 2025. The firm executed a massive portfolio rotation, reducing total assets under management (AUM) by 54.5%, from approximately $1.87 billion to $852.33 million. This reduction was not merely due to market depreciation but was driven by a drastic overhaul of the fund's composition. The manager exited 39 positions and initiated 28 new ones, resulting in a turnov...

Key Holdings

The portfolio is currently led by Chart Industries (GTLS), which constitutes nearly 12% of the portfolio ($101.9M). This position was aggressively increased by 590.3% during the quarter, signaling a strong conviction in the industrial gas and energy equipment sector. The second and third largest holdings, CyberArk Software ($98.64M) and Mr. Cooper Group ($86.58M), represent new positions that immediately became core holdings, making up 11.57% and 10.16% of the portfolio, respectively.

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
NSC
NORFOLK SOUTHN CORP
$145M462K9.1%02
GTLS
CHART INDS INC
$103M494K6.5%03
QRVO
QORVO INC
$74M798K4.7%04
SLAB
SILICON LABORATORIES INC
$65M299K4.1%05
UNF
UNIFIRST CORP MASS
$62M235K3.9%06
PEN
PENUMBRA INC
$60M189K3.7%07
KVUE
KENVUE INC
$58M3.1M3.6%08
WBS
WEBSTER FINL CORP
$58M758K3.6%09
EA
ELECTRONIC ARTS INC
$53M260K3.3%10
SKYT
SKYWATER TECHNOLOGY INC
$47M1.4M3.0%

Filing history

2026Q2Jun 30
$1.6B▼ 5.8%
66 positionsView →2026Q1Mar 31
$1.7B▲ 12.8%
70 positionsView →2025Q4Dec 31
$1.5B▲ 76.4%
67 positionsView →2025Q3Sep 30
$852M▼ 54.5%
39 positionsView →2025Q2Jun 30
$1.9B▲ 66.7%
50 positionsLocked2025Q1Mar 31
$1.1B▼ 31.8%
28 positionsLocked2024Q4Dec 31
$1.6B▼ 24.5%
43 positionsLocked2024Q3Sep 30
$2.2B▲ 4.4%
49 positionsLocked2024Q2Jun 30
$2.1B▼ 18.5%
43 positionsLocked2024Q1Mar 31
$2.6B▲ 31.6%
40 positionsLocked2023Q4Dec 31
$2.0B▲ 2.1%
37 positionsLocked2023Q3Sep 30
$1.9B▼ 14.1%
35 positionsLocked
Showing 12 of 46