Weiss Asset Management LP
BOSTON, MA
$6.9bn in 574 US stocks at the end of 30 June 2026. The top 10 are 45.8% of the money. It changed about 61.2% of the portfolio this quarter.
Value
$6.9bn
Stocks
574
Top 10 share
45.8%
Turnover
61.2%
What changed this quarter
New
Bought for the first time this quarter.
- Super Micro Computer3.6% of the fund
- Boeing2.7% of the fund
- Entrepreneurshares Series TRXOVR1.6% of the fund
- Roivant SciencesROIV1.3% of the fund
- Hewlett Packard Enterprise C1.3% of the fund
- Space Exploration TechnologiesSPCX1.3% of the fund
- Marvell TechnologyMRVL1.2% of the fund
- Topbuild COR1.2% of the fund
- United Airlines HoldingsUAL0.8% of the fund
- Microchip Technology0.7% of the fund
- QXOQXO0.5% of the fund
- Select Sector Spdr TRXLP0.5% of the fund
- Constellation EnergyCEG0.4% of the fund
- Berkshire HathawayBRK-B0.4% of the fund
- Baron ETF TRRONB0.4% of the fund
- StandardAeroSARO0.4% of the fund
- Ishares TRIJR0.4% of the fund
- Viavi SolutionsVIAV0.3% of the fund
- BridgeBio PharmaBBIO0.3% of the fund
- Applied OptoelectronicsAAOI0.3% of the fund
- Cerebras SystemsCBRS0.3% of the fund
- Life Time Group HoldingsLTH0.3% of the fund
- TG TherapeuticsTGTX0.3% of the fund
- SemtechSMTC0.3% of the fund
- Axsome TherapeuticsAXSM0.3% of the fund
Added
Bought more of a stock they already held.
- Micron TechnologyMU12.5% of the fund+683%
- TeslaTSLA2.8% of the fund+252%
- NextEra Energy1.9% of the fund+6%
- Sprott Asset Management LPCEF1.8% of the fund+78%
- Robinhood MarketsHOOD1.6% of the fund+275%
- Albemarle1.5% of the fund+133%
- MoonLake ImmunotherapeuticsMLTX0.7% of the fund+51%
- Sprott Asset Management LPPHYS0.7% of the fund+233%
- Apollo Global Mgmt0.7% of the fund+107%
- ChevronCVX0.7% of the fund+4979%
- KKRKKR0.5% of the fund+18%
- IrenIREN0.4% of the fund+8%
- General DynamicsGD0.4% of the fund+3150%
- Coeur MiningCDE0.4% of the fund+567%
- Southwest Gas HoldingsSWX0.4% of the fund+1075%
- Core ScientificCORZ0.3% of the fund+68%
- Txnm EnergyTXNM0.3% of the fund+149%
- ZIM Integrated Shipping ServicesZIM0.3% of the fund+185%
- Arch Capital GroupACGL0.3% of the fund+376%
- Southern CompanySO0.2% of the fund+30%
- Joint Stock Co Kaspi.kzKSPI0.2% of the fund+52%
- Royal Caribbean CruisesRCL0.2% of the fund+280%
- Antero ResourcesAR0.2% of the fund+466%
- AbbVieABBV0.2% of the fund+200%
- Hecla MiningHL0.2% of the fund+78%
Cut
Sold some of their stake.
- NvidiaNVDA15.4% of the fund-6%
- StrategyMSTR0.8% of the fund-6%
- Sprott Asset Management LPPSLV0.8% of the fund-66%
- Ishares Bitcoin Trust ETFIBIT0.7% of the fund-39%
- Bitmine Immersion TechnologiesBMNR0.6% of the fund-27%
- PPL0.5% of the fund-22%
- CenteneCNC0.3% of the fund-57%
- CanaanCAN0.2% of the fund-2%
- SharplinkSBET0.2% of the fund-24%
- VicorVICR0.2% of the fund-4%
- EverpureP0.1% of the fund-64%
- AlumisALMS0.1% of the fund-72%
- Regions FinancialRF0.1% of the fund-15%
- Empery DigitalEMPD<0.1% of the fund-2%
- USA Rare EarthUSAR<0.1% of the fund-76%
- NetflixNFLX<0.1% of the fund-55%
- Amkor TechnologyAMKR<0.1% of the fund-81%
- Cincinnati FinancialCINF<0.1% of the fund-81%
- Super Micro ComputerSMCI<0.1% of the fund-90%
- KrogerKR<0.1% of the fund-55%
- Rezolve AIRZLV<0.1% of the fund-42%
- Uber TechnologiesUBER<0.1% of the fund-20%
- AESAES<0.1% of the fund-65%
- Defi TechnologiesDEFT<0.1% of the fund-23%
- Atrium TherapeuticsRNA<0.1% of the fund-9%
Sold out
Sold their entire stake.
- Hologic-100%
- Amicus Therapeutics-100%
- Lockheed MartinLMT-100%
- OvintivOVV-100%
- Apellis Pharmaceuticals-100%
- EnviriNVRI-100%
- Whirlpool-100%
- Hewlett Packard EnterpriseHPE-100%
- Hut 8HUT-100%
- Nano Nuclear EnergyNNE-100%
- Molson Coors BeverageTAP-100%
- Centessa Pharmaceuticals-100%
- Costar GroupCSGP-100%
- Masimo-100%
- Clearwater Analytics Hldgs I-100%
- PAN American SilverPAAS-100%
- Allied GoldAAUC-100%
- Ardagh Metal PackagingAMBP-100%
- SempraSRE-100%
- FermiFRMI-100%
- Cantaloupe-100%
- NewmarketNEU-100%
- Cogent BiosciencesCOGT-100%
- Booz Allen Hamilton HoldingBAH-100%
- AflacAFL-100%
Holdings
- Super Micro Computer
- Share
- 3.6%
- Value
- $249m
- Shares
- 4,850,000
New
- Boeing
- Share
- 2.7%
- Value
- $188m
- Shares
- 2,775,000
New
- NextEra Energy
- Share
- 1.9%
- Value
- $129m
- Shares
- 2,697,000
+6%
- Theravance BiopharmaTBPH
- Share
- 1.8%
- Value
- $127m
- Shares
- 7,457,060
Held
- Sprott Asset Management LPCEF
- Share
- 1.8%
- Value
- $125m
- Shares
- 3,099,716
+78%
- Entrepreneurshares Series TRXOVR
- Share
- 1.6%
- Value
- $107m
- Shares
- 5,097,483
New
- Albemarle
- Share
- 1.5%
- Value
- $106m
- Shares
- 1,910,000
+133%
- Hewlett Packard Enterprise C
- Share
- 1.3%
- Value
- $87m
- Shares
- 750,000
New
- Space Exploration TechnologiesSPCX
- Share
- 1.3%
- Value
- $86m
- Shares
- 503,225
New
- Topbuild COR
- Share
- 1.2%
- Value
- $80m
- Shares
- 225,000
New
- EPR Pptys
- Share
- 0.8%
- Value
- $53m
- Shares
- 2,067,831
Held
- Sprott Asset Management LPPSLV
- Share
- 0.8%
- Value
- $53m
- Shares
- 2,801,789
-66%
- Sprott Asset Management LPPHYS
- Share
- 0.7%
- Value
- $49m
- Shares
- 1,611,647
+233%
- Apollo Global Mgmt
- Share
- 0.7%
- Value
- $47m
- Shares
- 775,000
+107%
- Ishares Bitcoin Trust ETFIBIT
- Share
- 0.7%
- Value
- $47m
- Shares
- 1,400,417
-39%
- Microchip Technology
- Share
- 0.7%
- Value
- $46m
- Shares
- 600,000
New
- PPL
- Share
- 0.5%
- Value
- $36m
- Shares
- 730,000
-22%
- Select Sector Spdr TRXLP
- Share
- 0.5%
- Value
- $34m
- Shares
- 415,000
New
- Baron ETF TRRONB
- Share
- 0.4%
- Value
- $27m
- Shares
- 1,087,386
New
- Ishares TRIJR
- Share
- 0.4%
- Value
- $25m
- Shares
- 171,653
New
- Cerebras SystemsCBRS
- Share
- 0.3%
- Value
- $21m
- Shares
- 96,780
New
- EPR Pptys
- Share
- 0.3%
- Value
- $21m
- Shares
- 640,439
Held
- Bitwise Solana Staking ETFBSOL
- Share
- 0.3%
- Value
- $18m
- Shares
- 1,846,208
New
- New America Acquisition INWAX
- Share
- 0.3%
- Value
- $18m
- Shares
- 1,767,280
Held
- Re/max Hldgs
- Share
- 0.2%
- Value
- $14m
- Shares
- 1,454,054
New
- Core Scientific INC NewCORZW
- Share
- 0.2%
- Value
- $13m
- Shares
- 714,154
Held
- Janus Henderson Group
- Share
- 0.2%
- Value
- $12m
- Shares
- 225,085
+2705%
- QuantinuumQNT
- Share
- 0.2%
- Value
- $11m
- Shares
- 140,000
New
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| NvidiaNVDA | 15.4% | $1.1bn | 5,263,485 | -6% |
| Micron TechnologyMU | 12.5% | $859m | 743,769 | +683% |
| Super Micro Computer | 3.6% | $249m | 4,850,000 | New |
| TeslaTSLA | 2.8% | $192m | 455,491 | +252% |
| Boeing | 2.7% | $188m | 2,775,000 | New |
| NextEra Energy | 1.9% | $129m | 2,697,000 | +6% |
| Theravance BiopharmaTBPH | 1.8% | $127m | 7,457,060 | Held |
| Sprott Asset Management LPCEF | 1.8% | $125m | 3,099,716 | +78% |
| Robinhood MarketsHOOD | 1.6% | $109m | 1,090,686 | +275% |
| Entrepreneurshares Series TRXOVR | 1.6% | $107m | 5,097,483 | New |
| Albemarle | 1.5% | $106m | 1,910,000 | +133% |
| Roivant SciencesROIV | 1.3% | $90m | 2,542,652 | New |
| Hewlett Packard Enterprise C | 1.3% | $87m | 750,000 | New |
| Space Exploration TechnologiesSPCX | 1.3% | $86m | 503,225 | New |
| Marvell TechnologyMRVL | 1.2% | $85m | 286,219 | New |
| Topbuild COR | 1.2% | $80m | 225,000 | New |
| United Airlines HoldingsUAL | 0.8% | $58m | 425,223 | New |
| StrategyMSTR | 0.8% | $55m | 629,895 | -6% |
| EPR Pptys | 0.8% | $53m | 2,067,831 | Held |
| Sprott Asset Management LPPSLV | 0.8% | $53m | 2,801,789 | -66% |
| MoonLake ImmunotherapeuticsMLTX | 0.7% | $50m | 2,581,813 | +51% |
| Sprott Asset Management LPPHYS | 0.7% | $49m | 1,611,647 | +233% |
| Apollo Global Mgmt | 0.7% | $47m | 775,000 | +107% |
| Ishares Bitcoin Trust ETFIBIT | 0.7% | $47m | 1,400,417 | -39% |
| Microchip Technology | 0.7% | $46m | 600,000 | New |
| ChevronCVX | 0.7% | $45m | 271,962 | +4979% |
| Bitmine Immersion TechnologiesBMNR | 0.6% | $42m | 3,142,727 | -27% |
| PPL | 0.5% | $36m | 730,000 | -22% |
| QXOQXO | 0.5% | $35m | 1,999,356 | New |
| Select Sector Spdr TRXLP | 0.5% | $34m | 415,000 | New |
| KKRKKR | 0.5% | $32m | 343,941 | +18% |
| Constellation EnergyCEG | 0.4% | $31m | 124,008 | New |
| IrenIREN | 0.4% | $30m | 652,350 | +8% |
| Berkshire HathawayBRK-B | 0.4% | $29m | 58,646 | New |
| Cellebrite DICLBT | 0.4% | $28m | 1,923,351 | Held |
| General DynamicsGD | 0.4% | $28m | 77,814 | +3150% |
| Coeur MiningCDE | 0.4% | $27m | 1,679,674 | +567% |
| Baron ETF TRRONB | 0.4% | $27m | 1,087,386 | New |
| StandardAeroSARO | 0.4% | $26m | 866,740 | New |
| Ishares TRIJR | 0.4% | $25m | 171,653 | New |
| Southwest Gas HoldingsSWX | 0.4% | $25m | 283,242 | +1075% |
| Apartment Investment & ManagementAIV | 0.4% | $24m | 8,150,456 | Held |
| Core ScientificCORZ | 0.3% | $24m | 936,495 | +68% |
| Viavi SolutionsVIAV | 0.3% | $24m | 501,507 | New |
| BridgeBio PharmaBBIO | 0.3% | $24m | 320,184 | New |
| Txnm EnergyTXNM | 0.3% | $23m | 411,513 | +149% |
| Applied OptoelectronicsAAOI | 0.3% | $23m | 151,868 | New |
| Cerebras SystemsCBRS | 0.3% | $21m | 96,780 | New |
| Life Time Group HoldingsLTH | 0.3% | $21m | 521,782 | New |
| EPR Pptys | 0.3% | $21m | 640,439 | Held |
| TG TherapeuticsTGTX | 0.3% | $21m | 375,082 | New |
| ZIM Integrated Shipping ServicesZIM | 0.3% | $20m | 787,799 | +185% |
| SemtechSMTC | 0.3% | $20m | 125,430 | New |
| CenteneCNC | 0.3% | $20m | 315,006 | -57% |
| Axsome TherapeuticsAXSM | 0.3% | $20m | 80,000 | New |
| Axcelis TechnologiesACLS | 0.3% | $20m | 103,258 | New |
| Arch Capital GroupACGL | 0.3% | $20m | 201,479 | +376% |
| Bitwise Solana Staking ETFBSOL | 0.3% | $18m | 1,846,208 | New |
| Hilton Worldwide HoldingsHLT | 0.3% | $18m | 55,187 | New |
| Steel DynamicsSTLD | 0.3% | $18m | 78,740 | New |
| Diamondback EnergyFANG | 0.3% | $18m | 102,698 | New |
| New America Acquisition INWAX | 0.3% | $18m | 1,767,280 | Held |
| Dollar TreeDLTR | 0.3% | $18m | 148,307 | New |
| Constellation BrandsSTZ | 0.3% | $18m | 127,413 | New |
| Advanced Energy IndustriesAEIS | 0.3% | $17m | 46,911 | New |
| Western DigitalWDC | 0.3% | $17m | 27,376 | New |
| Watts Water TechnologiesWTS | 0.3% | $17m | 44,331 | New |
| Ensign GroupENSG | 0.2% | $17m | 105,664 | New |
| Host Hotels & ResortsHST | 0.2% | $17m | 700,872 | New |
| Guardant HealthGH | 0.2% | $16m | 109,876 | New |
| Southern CompanySO | 0.2% | $16m | 171,203 | +30% |
| Bloom EnergyBE | 0.2% | $16m | 53,019 | New |
| SPX TechnologiesSPXC | 0.2% | $16m | 64,240 | New |
| Credo Technology Group HoldingCRDO | 0.2% | $15m | 55,920 | New |
| Joint Stock Co Kaspi.kzKSPI | 0.2% | $15m | 171,026 | +52% |
| Lattice SemiconductorLSCC | 0.2% | $15m | 96,040 | New |
| Planet Labs PBCPL | 0.2% | $15m | 438,000 | New |
| Re/max Hldgs | 0.2% | $14m | 1,454,054 | New |
| Hayward HoldingsHAYW | 0.2% | $14m | 822,326 | New |
| NextnavNN | 0.2% | $14m | 798,255 | New |
| Dycom IndustriesDY | 0.2% | $14m | 28,012 | New |
| DigitalOcean HoldingsDOCN | 0.2% | $14m | 88,939 | New |
| MastercardMA | 0.2% | $13m | 26,242 | New |
| Core Scientific INC NewCORZW | 0.2% | $13m | 714,154 | Held |
| Royal Caribbean CruisesRCL | 0.2% | $13m | 41,825 | +280% |
| Sherwin-WilliamsSHW | 0.2% | $13m | 38,220 | New |
| FormfactorFORM | 0.2% | $13m | 81,760 | New |
| Antero ResourcesAR | 0.2% | $13m | 362,051 | +466% |
| AbbVieABBV | 0.2% | $13m | 50,316 | +200% |
| AonAON | 0.2% | $13m | 38,024 | New |
| Hecla MiningHL | 0.2% | $13m | 816,856 | +78% |
| Century AluminumCENX | 0.2% | $12m | 269,881 | New |
| SitimeSITM | 0.2% | $12m | 16,625 | New |
| Onto InnovationONTO | 0.2% | $12m | 32,130 | New |
| Crescent EnergyCRGY | 0.2% | $12m | 1,226,064 | New |
| Alaska Air GroupALK | 0.2% | $12m | 230,594 | New |
| Janus Henderson Group | 0.2% | $12m | 225,085 | +2705% |
| Sotera HealthSHC | 0.2% | $12m | 651,539 | New |
| QuantinuumQNT | 0.2% | $11m | 140,000 | New |
| Travelers CompaniesTRV | 0.2% | $11m | 34,618 | +455% |
Showing the largest 100 of 574.
Options (11)
- Super Micro ComputerSMCI
- Type
- Put
- Value
- $207m
- Contracts
- 7,046,400
- NvidiaNVDA
- Type
- Put
- Value
- $200m
- Contracts
- 1,000,000
- Micron TechnologyMU
- Type
- Put
- Value
- $121m
- Contracts
- 105,000
- State STR Spdr S&P 500 ETF TSPY
- Type
- Put
- Value
- $35m
- Contracts
- 46,500
- StrategyMSTR
- Type
- Put
- Value
- $17m
- Contracts
- 200,000
- AlbemarleALB
- Type
- Put
- Value
- $14m
- Contracts
- 100,000
- Medical Properties TrustMPT
- Type
- Put
- Value
- $9m
- Contracts
- 2,000,000
- Ishares Bitcoin Trust ETFIBIT
- Type
- Call
- Value
- $7m
- Contracts
- 200,000
- NIONIO
- Type
- Put
- Value
- $5m
- Contracts
- 1,000,000
- Sable OffshoreSOC
- Type
- Put
- Value
- $2m
- Contracts
- 700,000
- IqiyiIQ
- Type
- Put
- Value
- $416,000
- Contracts
- 400,000
| Company | Type | Value | Contracts |
|---|---|---|---|
| Super Micro ComputerSMCI | Put | $207m | 7,046,400 |
| NvidiaNVDA | Put | $200m | 1,000,000 |
| Micron TechnologyMU | Put | $121m | 105,000 |
| State STR Spdr S&P 500 ETF TSPY | Put | $35m | 46,500 |
| StrategyMSTR | Put | $17m | 200,000 |
| AlbemarleALB | Put | $14m | 100,000 |
| Medical Properties TrustMPT | Put | $9m | 2,000,000 |
| Ishares Bitcoin Trust ETFIBIT | Call | $7m | 200,000 |
| NIONIO | Put | $5m | 1,000,000 |
| Sable OffshoreSOC | Put | $2m | 700,000 |
| IqiyiIQ | Put | $416,000 | 400,000 |
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is up 26.2% since 30 June 2025.
Where the money is
Technology38.5%
Financial services9.4%
Health care7.8%
Industrials6.9%
Retail & consumer5.2%
Utilities1.8%
Energy1.8%
Materials1.7%
Real estate1.3%
Everyday goods1.1%
Media & telecom0.6%
Other23.9%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.