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

HBK INVESTMENTS L P

$9.9B in tracked AUM across 346 positions as of Q1 2026.

HI
CIK 0001011443 · last filed Mar 31, 2026
Total AUM
$9.9B
as of Q1 2026
Holdings
346
—
positions
Whale Score
68
68
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive Analysis of HBK Investments L.P. SEC 13F Filing (Q3 2025)
1. Portfolio Overview

HBK Investments L.P. reported a significant expansion in its portfolio during the quarter ending September 30, 2025. The total portfolio value surged by 36.2%, rising from $4.72 billion to $6.43 billion. This substantial increase indicates a combination of asset appreciation and active capital deployment, as the firm also executed a high volume of turnover. The fund maintains a focused portfolio ...

The firm demonstrated aggressive portfolio management activity this quarter, characterized by a high turnover rate. The filing reveals 24 new positions and 24 complete exits, alongside 9 increases and 10 reductions. This "churn" implies HBK is actively rotating capital to capture new opportunities or adjust risk exposures rather than adhering to a static buy-and-hold strategy. The portfolio is heavily concentrated in its top positions, with the top ten holdings accounting for approximately 55% of the total assets under management (AUM).

2. Key Holdings

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
HOLX
HOLOGIC INC
$741M9.8M7.5%02
EA
ELECTRONIC ARTS INC
$667M3.3M6.8%03
NVDA
NVIDIA CORPORATION
$598M3.4M6.1%04
PEN
PENUMBRA INC
$537M1.6M5.4%05
NSC
NORFOLK SOUTHN CORP
$498M1.7M5.1%06
MASI
MASIMO CORP
$458M2.6M4.6%07
WBD
WARNER BROS DISCOVERY INC
$449M16.4M4.6%08
CTRA
COTERRA ENERGY INC
$371M10.6M3.8%09
KVUE
KENVUE INC
$362M21.0M3.7%10
AL
AIR LEASE CORP
$359M5.5M3.6%

Filing history

2026Q1Mar 31
$9.9B▼ 22.6%
346 positionsView →2025Q4Dec 31
$12.7B▲ 98.0%
260 positionsView →2025Q3Sep 30
$6.4B▲ 36.2%
180 positionsView →2025Q2Jun 30
$4.7B▼ 24.8%
202 positionsLocked2025Q1Mar 31
$6.3B▼ 21.8%
134 positionsLocked2024Q4Dec 31
$8.0B▲ 27.6%
196 positionsLocked2024Q3Sep 30
$6.3B▼ 69.4%
154 positionsLocked2024Q2Jun 30
$20.5B▼ 3.1%
151 positionsLocked2024Q1Mar 31
$21.2B▼ 3.6%
157 positionsLocked2023Q4Dec 31
$22.0B▲ 41.0%
207 positionsLocked2023Q3Sep 30
$15.6B▼ 3.4%
218 positionsLocked2023Q2Jun 30
$16.1B▲ 2.8%
355 positionsLocked
Showing 12 of 100