Funds · 13F filer · Boston, MA

Weiss Asset Management LP

$6.9B in 574 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return−4.9%S&P 500 +20.9%
3y return+5.4%S&P 500 +68.5%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since March 31, 2023: $109 against $182 in the S&P 500.2

Weiss Asset Management LPS&P 500 (SPY)
$93$100$18220232026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
NVDANvidia Corporation$1.1B15.4%−5.7%
MUMicron Technology Inc$858.5M12.5%+682.9%
Super Micro Computer IncCUSIP 86800U500$249.1M3.6%New
TSLATesla Inc$191.6M2.8%+251.7%
Boeing CoCUSIP 097023204$188.3M2.7%New
Nextera Energy IncCUSIP 65339F655$129.4M1.9%+5.9%
Theravance Biopharma IncCUSIP G8807B106$126.8M1.8%
CEFSprott Asset Management LP$124.7M1.8%+78.2%
HOODRobinhood Mkts Inc$109.4M1.6%+274.8%
XOVREntrepreneurshares Series Tr$107.3M1.6%New
Albemarle CorpCUSIP 012653200$105.9M1.5%+132.9%
Roivant Sciences LtdCUSIP G76279101$90.0M1.3%New
Hewlett Packard Enterprise CCUSIP 42824C208$87.4M1.3%New
SPCXSpace Exploration Techn Corp$86.0M1.3%New
MRVLMarvell Technology Inc$85.3M1.2%New
Topbuild CorCUSIP 89055F103$79.8M1.2%New
UALUnited Airls Hldgs Inc$57.8M0.8%New
MSTRStrategy Inc$54.8M0.8%−5.6%
Epr PptysCUSIP 26884U208$53.4M0.8%
PSLVSprott Asset Management LP$52.9M0.8%−65.8%
MLTXMoonlake Immunotherapeutics$50.3M0.7%+51.1%
PHYSSprott Asset Management LP$48.6M0.7%+232.9%
Apollo Global Mgmt IncCUSIP 03769M304$47.2M0.7%+106.7%
IBITIshares Bitcoin Trust Etf$46.6M0.7%−38.6%
Microchip Technology Inc.CUSIP 595017302$46.1M0.7%New

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
NVDANvidia CorporationSeptember 30, 2024+64.8%$1.1B
TSLATesla IncMarch 31, 2025+62.3%$191.6M
Theravance Biopharma IncCUSIP G8807B106December 31, 2021+53.9%$126.8M
MLTXMoonlake ImmunotherapeuticsDecember 31, 2025+47.7%$50.3M
HOODRobinhood Mkts IncMarch 31, 2026+44.7%$109.4M
Iren LimitedCUSIP Q4982L109December 31, 2025+21.1%$29.8M
Apollo Global Mgmt IncCUSIP 03769M304March 31, 2026+4.2%$47.2M
GDGeneral Dynamics CorpMarch 31, 2026+3.2%$27.6M
Epr PptysCUSIP 26884U208June 30, 2025+2.3%$53.4M
KKRKkr & Co IncMarch 31, 2026−0.8%$31.6M

Sold off last quarter

  • Hologic IncCUSIP 436440101 was $93.0M
  • Amicus TherapeuticCUSIP 03152W109 was $56.0M
  • LMTLockheed Martin Corp was $37.2M
  • OVVOvintiv Inc was $35.4M
  • Apellis Pharmaceuticals IncCUSIP 03753U106 was $28.2M
  • Enviri CorpCUSIP 415864107 was $27.5M
  • Whirlpool CorpCUSIP 963320205 was $25.8M
  • HPEHewlett Packard Enterprise C was $23.9M
  • HUTHut 8 Corp was $22.2M
  • NNENano Nuclear Energy Inc was $21.6M

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+6.3%+14.8%
March 31, 2026−4.7%−4.6%
December 31, 2025−10.1%+2.4%
September 30, 2025+4.4%+7.8%
June 30, 2025+19.5%+10.5%
March 31, 2025−5.7%−4.6%
December 31, 2024+0.5%+2.1%
September 30, 2024+7.0%+5.4%
June 30, 2024−4.7%+4.0%
March 31, 2024+4.0%+10.0%
December 31, 2023+2.8%+11.2%
September 30, 2023−10.2%−3.6%
June 30, 2023+3.3%+8.3%
December 31, 2022+3.8%+7.1%
September 30, 2022+2.7%−5.3%
June 30, 2022−4.9%−16.5%
March 31, 2022+0.5%−4.9%
December 31, 2021+2.2%+10.7%
September 30, 2021−2.5%+0.3%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1357550
  2. 2
    Filed August 14, 2026 · accession 0001357550-26-000029