Weiss Asset Management LP
Long book
$4.24B
Q1 2026
Positions
445
Top-10 weight
45%
concentration
Last quarter
+8.6%
SPY +14.8%
Turnover
78%
of book per quarter
Strategy in plain words
auto-generated from filingsWeiss Asset Management LP is a quantitative fund whose holdings reflect models, not opinions, running a $4.24B US long book across 445 positions.
The portfolio is moderately concentrated (top 10 ≈ 45% of the book). Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: NVIDIA CORP, SPROTT PHYSICAL SILVER TRUST, NEXTERA ENERGY INC, THERAVANCE BIOPHARMA INC, HOLOGIC INC.
Over the last 9 quarters its long book ran on average 1.8pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-1.5%
Q2 2024
+8.2%
Q3 2024
-0.0%
Q4 2024
-4.2%
Q1 2025
+22.8%
Q2 2025
+6.0%
Q3 2025
-11.5%
Q4 2025
-4.2%
Q1 2026
+8.6%
Sector allocation
Technology 37%
Financials 15%
Other 11%
Healthcare 8%
Utilities 7%
Industrials 6%
Materials 4%
Energy 3%
Long book by quarter
What does Weiss Asset own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 5.6M | $973.4M | 22.9% | -16.0% |
| NEE NEXTERA ENERGY INC | Utilities | 2.5M | $128.1M | 3.0% | New |
| TBPH THERAVANCE BIOPHARMA INC | Healthcare | 7.5M | $121.0M | 2.9% | Held |
| HO1 HOLOGIC INC | — | 1.2M | $93.0M | 2.2% | New |
| BMNR BITMINE IMMERSION TECHNOLOGI | Financials | 4.3M | $85.6M | 2.0% | +363.6% |
| MSTR STRATEGY INC | Financials | 667.5K | $83.3M | 2.0% | -32.3% |
| ALB ALBEMARLE CORP | Materials | 820.0K | $59.0M | 1.4% | New |
| AM6 AMICUS THERAPEUTICS INC | — | 3.9M | $56.0M | 1.3% | +104.6% |
| TSLA TESLA INC | Industrials | 129.5K | $48.1M | 1.1% | +41.8% |
| PPL PPL CORPORATION | Utilities | 930.0K | $47.5M | 1.1% | New |
| EPR EPR PROPERTIES | Real estate | 2.1M | $47.3M | 1.1% | +27.1% |
| LMT LOCKHEED MARTIN CORP | Industrials | 61.6K | $37.2M | 0.9% | New |
| OVV OVINTIV INC | Energy | 596.8K | $35.4M | 0.8% | New |
| KMB KIMBERLY-CLARK CORP | Other | 342.6K | $33.0M | 0.8% | New |
| MU MICRON TECHNOLOGY INC | Technology | 95.0K | $32.1M | 0.8% | +232.2% |
| MLTX MOONLAKE IMMUNOTHERAPEUTICS | Healthcare | 1.7M | $31.8M | 0.8% | +413.1% |
| SMCI SUPER MICRO COMPUTER INC | Technology | 1.4M | $31.8M | 0.7% | +40.0% |
| APLSUSD APELLIS PHARMACEUTICALS INC | — | 700.0K | $28.2M | 0.7% | New |
| KKR KKR & CO INC | Financials | 291.5K | $27.0M | 0.6% | New |
| MMM 3M CO | Healthcare | 185.4K | $26.9M | 0.6% | New |
| CLBT CELLEBRITE DI LTD | Technology | 1.9M | $26.2M | 0.6% | +3485.3% |
| VLO VALERO ENERGY CORP | Energy | 105.8K | $26.1M | 0.6% | New |
| WHR 8.5 02/15/29 A WHIRLPOOL CORP | — | 625.0K | $25.8M | 0.6% | New |
| ANET ARISTA NETWORKS INC | Technology | 206.2K | $25.3M | 0.6% | +2066.0% |
| CNC CENTENE CORP | Financials | 739.0K | $24.2M | 0.6% | -11.9% |
| ALMS ALUMIS INC | Healthcare | 1.1M | $24.2M | 0.6% | New |
| HPE HEWLETT PACKARD ENTERPRISE | Technology | 1.0M | $23.9M | 0.6% | New |
| HUT HUT 8 CORP | Financials | 472.2K | $22.2M | 0.5% | -25.8% |
| APO 6.75 07/31/26 APOLLO GLOBAL MANAGEMENT | — | 375.0K | $22.0M | 0.5% | New |
| NNE NANO NUCLEAR ENERGY INC | Utilities | 1.1M | $21.6M | 0.5% | -33.9% |
| HAL HALLIBURTON CO | Energy | 538.9K | $21.0M | 0.5% | New |
| IREN IREN LTD | Financials | 605.6K | $20.8M | 0.5% | +586.7% |
| TAP MOLSON COORS BEVERAGE CO - B | Consumer staples | 472.6K | $20.3M | 0.5% | New |
| HOOD ROBINHOOD MARKETS INC - A | Financials | 291.0K | $20.2M | 0.5% | New |
| CSGP COSTAR GROUP INC | Services media | 497.5K | $20.1M | 0.5% | +1349.6% |
| MASI* MASIMO CORP | — | 112.6K | $20.0M | 0.5% | New |
| CINF CINCINNATI FINANCIAL CORP | Financials | 125.4K | $19.7M | 0.5% | New |
| SBET SHARPLINK INC | Financials | 3.0M | $19.6M | 0.5% | +19.1% |
| EPR EPR PROPERTIES | Real estate | 640.4K | $19.5M | 0.5% | +103.0% |
| PAAS PAN AMERICAN SILVER CORP | Materials | 342.5K | $18.7M | 0.4% | +497.7% |
| P EVERPURE INC-A | Technology | 316.6K | $18.7M | 0.4% | New |
| AAUC ALLIED GOLD CORP | — | 592.4K | $18.4M | 0.4% | New |
| AMBP ARDAGH METAL PACKAGING SA | Industrials | 4.5M | $18.3M | 0.4% | +11276.2% |
| NWAX NEW AMERICA ACQUISITION-CL A | Financials | 1.8M | $17.7M | 0.4% | New |
| SRE SEMPRA | Utilities | 178.5K | $17.3M | 0.4% | +1047.2% |
| USAR USA RARE EARTH INC | Materials | 1.1M | $17.1M | 0.4% | New |
| SYF SYNCHRONY FINANCIAL | Financials | 243.5K | $16.6M | 0.4% | +844.8% |
| NFLX NETFLIX INC | Services media | 168.3K | $16.2M | 0.4% | +5209.3% |
| FICO FAIR ISAAC CORP | Services media | 15.1K | $16.2M | 0.4% | New |
| ELV ELEVANCE HEALTH INC | Financials | 52.7K | $15.4M | 0.4% | -53.8% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 488 | $5.91B | confidential canonical | SEC ↗ |
| Q4 2025 | 13F-HR/ANEW HOLDINGS | May 15, 2026 | 5 | $432.0M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 561 | $7.14B | confidential canonical | SEC ↗ |
| Q3 2025 | 13F-HR/ANEW HOLDINGS | May 15, 2026 | 2 | $128.6M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR/ANEW HOLDINGS | Feb 17, 2026 | 3 | $286.5M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 593 | $8.25B | confidential canonical | SEC ↗ |
| Q2 2025 | 13F-HR/ANEW HOLDINGS | Feb 17, 2026 | 1 | $62.5M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR/ANEW HOLDINGS | Nov 14, 2025 | 1 | $67.8M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 409 | $8.66B | confidential canonical | SEC ↗ |
| Q1 2025 | 13F-HR/ANEW HOLDINGS | Aug 14, 2025 | 1 | $39.3M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 304 | $4.96B | confidential canonical | SEC ↗ |
| Q4 2024 | 13F-HR/ANEW HOLDINGS | May 15, 2025 | 13 | $473.1M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 601 | $4.86B | confidential canonical | SEC ↗ |
| Q3 2024 | 13F-HR/ANEW HOLDINGS | May 15, 2025 | 15 | $201.5M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR/ANEW HOLDINGS | Feb 4, 2025 | 4 | $43.5M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 577 | $4.34B | confidential canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 272 | $2.65B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 13, 2024 | 308 | $2.91B | canonical | SEC ↗ |
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