Q2 2026 13F · SEC CIK 1357550
Weiss Asset Management LP
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $6.9B
- Reported positions
- 574
- Top holdings a year, 3 yrs
- +1.3%
- Assets under management
- $15.6B
Weiss Asset Management LP is a hedge fund that reported 574 positions worth $6.9B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Nvidia Corporation (NVDA, 15.4%), Micron Technology Inc (MU, 12.5%), Super Micro Computer Inc (SMCIP, 3.6%). A portfolio copying its top holdings returned 1.3% a year over the last 3 years, against 20.3% for the S&P 500.
Weiss Asset Management LP holdings largest 50 of 574 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
What Weiss Asset Management LP bought and sold in Q2 2026, against Q1 2026.
New positions
Q1 2026's filing was too long to tell new positions apart.
Added to
- MU Micron Technology Inc+682.9% shares
- HOOD Robinhood Mkts Inc+274.8% shares
- TSLA Tesla Inc+251.7% shares
- Albemarle Corp+132.9% shares
- APO-PA Apollo Global Mgmt Inc Ser A Mand Cnv+106.7% shares
- CEF Sprott Asset Management LP+78.2% shares
- MLTX Moonlake Immunotherapeutics+51.1% shares
- KKR Kkr & Co Inc+18.0% shares
Reduced
- PSLV Sprott Physical-65.8% shares
- IBIT Ishares Bitcoin Trust ETF-38.6% shares
- BMNR Bitmine Immersion Techs Inc-27.4% shares
- PPLC Ppl Corp-21.5% shares
- NVDA Nvidia Corporation-5.7% shares
- MSTR Strategy Inc-5.6% shares
Left the top 50
- HOLX Hologic Incwas 2.2%
- FOLD Amicus Therapeuticwas 1.3%
- LMT Lockheed Martin Corpwas 0.9%
- OVV Ovintiv Inc Comwas 0.8%
- KMB Kimberly-Clark Corpwas 0.8%
- SMCI Super Micro Computer Incwas 0.7%
- SPG Simon Ppty Group Inc Newwas 0.7%
- APLS Apellis Pharmaceuticals Incwas 0.7%
Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.
How the holdings did against the S&P 500.
- 1 year
- -23.6% /yr
- S&P 500 +11.7%
- 3 years
- +1.3% /yr
- S&P 500 +20.3%
- 5 years
- -1.6% /yr
- S&P 500 +8.7%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $6.9B | 574 |
| Q1 2026 | $4.2B | 445 |
| Q4 2025 | $5.2B | 518 |
| Q3 2025 | $5.3B | 559 |
| Q2 2025 | $5.3B | 377 |
| Q1 2025 | $2.7B | 268 |
| Q4 2024 | $2.9B | 560 |
| Q3 2024 | $2.7B | 529 |
| Q2 2024 | $1.5B | 232 |
| Q1 2024 | $1.8B | 265 |
| Q4 2023 | $802.5M | 322 |
| Q3 2023 | $1.1B | 149 |
Questions about Weiss Asset Management LP's portfolio
What stocks does Weiss Asset Management LP own?
Weiss Asset Management LP's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 574 positions worth $6.9B. The largest are Nvidia Corporation (NVDA) at 15.4%, Micron Technology Inc (MU) at 12.5%, Super Micro Computer Inc (SMCIP) at 3.6%, Tesla Inc (TSLA) at 2.8% and Boeing Co at 2.7%.
What did Weiss Asset Management LP buy last quarter?
In Q2 2026, Weiss Asset Management LP added Micron Technology Inc (MU) (+682.9% shares), Robinhood Mkts Inc (HOOD) (+274.8% shares) and Tesla Inc (TSLA) (+251.7% shares), compared with its Q1 2026 filing.
What did Weiss Asset Management LP sell last quarter?
In Q2 2026, Weiss Asset Management LP cut from its top 50 Hologic Inc (HOLX), cut from its top 50 Amicus Therapeutic (FOLD), cut from its top 50 Lockheed Martin Corp (LMT), cut from its top 50 Ovintiv Inc Com (OVV), cut from its top 50 Kimberly-Clark Corp (KMB), Sprott Physical (PSLV) (-65.8% shares), Ishares Bitcoin Trust ETF (IBIT) (-38.6% shares) and Bitmine Immersion Techs Inc (BMNR) (-27.4% shares), compared with its Q1 2026 filing.
How has Weiss Asset Management LP's portfolio performed?
A portfolio copying Weiss Asset Management LP's 20 largest 13F holdings each quarter, from the day each filing was public, returned +1.3% a year over the last 3 years, against +20.3% for the S&P 500. Over 1 year: -23.6% against +11.7%. Over 5 years: -1.6% a year against +8.7%.
When is Weiss Asset Management LP's next 13F filing due?
13F filings are due 45 days after each quarter ends. Weiss Asset Management LP's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Weiss Asset Management LP manage?
Weiss Asset Management LP reported $15.6B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $6.9B.