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

ARISTEIA CAPITAL, L.L.C.

$4.8B in tracked AUM across 696 positions as of Q1 2026.

AC
CIK 0001080171 · last filed Mar 31, 2026
Total AUM
$4.8B
as of Q1 2026
Holdings
696
—
positions
Whale Score
61
61
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

Portfolio Overview

Aristeia Capital, L.L.C. manages a diversified portfolio valued at approximately $3.62 billion as of the report date (September 30, 2025). The portfolio saw a slight contraction of 1.7% from the previous quarter's value of $3.68B. The fund demonstrates a high level of diversification with 425 total holdings, though capital allocation is heavily weighted toward the top-tier positions.

The portfolio structure is characterized by a "core and satellite" approach,...

Key Holdings

The top ten holdings account for approximately 53% of the total portfolio value, suggesting a high conviction approach toward specific names while maintaining broad diversification in the tail.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q1 2026. Methodology

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
M98068105
Wix.com Ltd.
$388M4.3M8.0%02
SM
SM Energy Company
$338M10.8M7.0%03
MSTR 0 12/01/29
Strategy Inc
$267M320.2M5.5%04
IAC
IAC Inc.
$237M5.9M4.9%05
SPY
SPDR S&P 500 ETF Trust
$179M275K3.7%06
QQQ
Invesco QQQ Trust Series 1
$159M275K3.3%07
EVRG 4.5 12/15/27
Evergy, Inc.
$150M111.0M3.1%08
GH 0 11/15/27
Guardant Health, Inc.
$139M134.2M2.9%09
HEI/A
HEICO Corporation
$123M580K2.5%10
SMCI 3.5 03/01/29
Super Micro Computer, Inc.
$116M145.4M2.4%

Filing history

2026Q1Mar 31
$4.8B▲ 4.6%
696 positionsView →2025Q4Dec 31
$4.6B▲ 27.5%
607 positionsView →2025Q3Sep 30
$3.6B▼ 1.7%
425 positionsView →2025Q2Jun 30
$3.7B▲ 20.3%
483 positionsLocked2025Q1Mar 31
$3.1B▲ 0.4%
325 positionsLocked2024Q4Dec 31
$3.0B▼ 36.7%
381 positionsLocked2024Q3Sep 30
$4.8B▲ 6.4%
374 positionsLocked2024Q2Jun 30
$4.5B▼ 1.1%
339 positionsLocked2024Q1Mar 31
$4.6B▼ 19.1%
292 positionsLocked2023Q4Dec 31
$5.7B▲ 52.0%
225 positionsLocked2023Q3Sep 30
$3.7B▼ 17.6%
243 positionsLocked2023Q2Jun 30
$4.5B▲ 5.8%
277 positionsLocked
Showing 12 of 80