DOSSIER · 13F-HR · Q2 2026

Weiss Asset Management LP

$7.1B in tracked AUM across 561 positions as of Q2 2026.

WA
CIK 0001357550 · last filed Jun 30, 2026
Total AUM
$7.1B
as of Q2 2026
Holdings
561
positions
Whale Score
62
62
tracked
Activity
no data
changes this Q
AI Analysis · Q2 2026

Portfolio Overview

Weiss Asset Management LP’s 13F filing for the period ending September 30, 2025, reveals a substantial and actively managed portfolio with a total value of approximately $5.63 billion spread across 354 holdings. The portfolio demonstrates a high-conviction strategy characterized by significant concentration in top-tier assets, with the top three positions alone accounting for over 42% of the total portfolio value. The fund appears to have undergone a drastic strategic piv...

Key Holdings

The portfolio is dominated by a few massive positions that signal a strong focus on the AI infrastructure and digital asset ecosystems.

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
NVDA
NVIDIA CORPORATION
$1.3B6.3M13.1%
02
MU
MICRON TECHNOLOGY INC
$980M849K10.3%
03
SMCI 7 06/01/29
SUPER MICRO COMPUTER INC
$249M4.8M2.6%
04
SMCI 2.25 07/15/28
SUPER MICRO COMPUTER INC
$246M249.9M2.6%
05
SMCI 3.5 03/01/29
SUPER MICRO COMPUTER INC
$212M231.0M2.2%
06
SMCI
SUPER MICRO COMPUTER INC
$211M7.2M2.2%
07
TSLA
TESLA INC
$192M455K2.0%
08
BA 6 10/15/27
BOEING CO
$188M2.8M2.0%
09
MSTR 0.625 03/15/30
STRATEGY INC
$182M177.9M1.9%
10
NEE 7.375 02/15/29
NEXTERA ENERGY INC
$129M2.7M1.4%

Filing history

2026Q2Jun 30
$9.5B 60.6%
624 positionsView →
2026Q1Mar 31
$5.9B 21.6%
489 positionsView →
2025Q4Dec 31
$7.6B 25.3%
566 positionsView →
2025Q3Sep 30
$6.0B 30.7%
359 positionsView →
2025Q2Jun 30
$8.7B 74.5%
410 positionsLocked
2025Q1Mar 31
$5.0B 2.8%
305 positionsLocked
2024Q4Dec 31
$4.9B 10.9%
601 positionsLocked
2024Q3Sep 30
$4.4B 65.6%
581 positionsLocked
2024Q2Jun 30
$2.6B 9.0%
272 positionsLocked
2024Q1Mar 31
$2.9B 39.0%
308 positionsLocked
2023Q4Dec 31
$2.1B 24.0%
374 positionsLocked
2023Q3Sep 30
$1.7B 29.4%
185 positionsLocked
Showing 12 of 73