DP
Diadema Partners LP
13F filer · CIK 0002026172Reported Aug 14, 2026
Net buyer this quarter
13F portfolio value$791MU.S. long equity reported on 13F
Positions7728 new · 36 closed
Net flow last quarter+$41.8MBuys minus sells
Top 10 positions weight21.0%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 14, 202677 positions | |||||
| $28.7M | 3.63% | 0.12% | +94.1% | Q4 2025 | |
| $26.1M | 3.29% | 0.07% | +72.2% | Q2 2025 | |
| $21.6M | 2.73% | 0.21% | +115.5% | Q3 2025 | |
| $19.1M | 2.41% | 0.29% | +53.0% | Q4 2024 | |
| $17.9M | 2.26% | 0.16% | +111.1% | Q1 2025 | |
| $17.2M | 2.18% | 0.38% | -15.9% | Q1 2025 | |
| $11.1M | 1.40% | 0.25% | Not reported | Q4 2024 | |
| $8.5M | 1.07% | 0.35% | +13.0% | Q1 2026 | |
| $8.09M | 1.02% | 0.50% | +31.9% | Q1 2025 | |
| $7.6M | 0.96% | 1.03% | New | Q2 2026 | |
| $6.9M | 0.87% | 0.18% | -6.0% | Q4 2024 | |
| $5.59M | 0.71% | 0.00% | -59.1% | Q4 2025 | |
| $4.81M | 0.61% | Not reported | +586.0% | Q1 2025 | |
| $4.4M | 0.56% | 0.35% | +20.4% | Q1 2026 | |
| $4.32M | 0.55% | 0.11% | Not reported | Q4 2024 | |
| $3.72M | 0.47% | 0.20% | Not reported | Q1 2026 | |
| $3.59M | 0.45% | 0.32% | +143.9% | Q4 2025 | |
| $3.56M | 0.45% | 0.16% | New | Q2 2026 | |
| $2.95M | 0.37% | 0.12% | New | Q2 2026 | |
| $2.83M | 0.36% | 1.61% | -31.5% | Q1 2026 | |
| $2.77M | 0.35% | 0.06% | -5.4% | Q3 2025 | |
| $2.73M | 0.34% | 0.38% | +110.2% | Q4 2025 | |
| $2.65M | 0.33% | 0.05% | New | Q2 2026 | |
| $2.62M | 0.33% | 0.03% | +79.8% | Q4 2024 | |
| $2.5M | 0.32% | 0.34% | +79.9% | Q4 2025 | |
| $2.47M | 0.31% | 0.08% | New | Q2 2026 | |
| $1.96M | 0.25% | 0.52% | New | Q2 2026 | |
| $1.96M | 0.25% | 0.66% | -2.9% | Q1 2026 | |
| $1.9M | 0.24% | 0.09% | -58.2% | Q4 2025 | |
| $1.84M | 0.23% | 0.09% | Not reported | Q4 2024 | |
| $1.73M | 0.22% | 0.59% | -37.6% | Q1 2026 | |
| $1.72M | 0.22% | 0.88% | +414.2% | Q4 2024 | |
| $1.62M | 0.20% | 1.09% | +200.0% | Q1 2026 | |
| $1.55M | 0.20% | 0.12% | Not reported | Q3 2025 | |
| $1.53M | 0.19% | 0.92% | +999.3% | Q1 2026 | |
| $1.52M | 0.19% | 0.06% | +113.9% | Q4 2025 | |
| $1.46M | 0.18% | 0.29% | Not reported | Q4 2025 | |
| $1.45M | 0.18% | 0.68% | -2.4% | Q1 2026 | |
| $1.42M | 0.18% | 1.09% | +186.3% | Q1 2026 | |
| $1.41M | 0.18% | 0.16% | +137.8% | Q2 2025 | |
| $1.33M | 0.17% | 0.02% | New | Q2 2026 | |
| $1.32M | 0.17% | 0.39% | New | Q2 2026 | |
| $1.28M | 0.16% | 0.63% | -7.7% | Q3 2025 | |
| $1.05M | 0.13% | 0.08% | Not reported | Q3 2025 | |
| $1.01M | 0.13% | 0.05% | Not reported | Q1 2026 | |
| $978K | 0.12% | 0.05% | -71.1% | Q3 2025 | |
| $907K | 0.11% | 0.29% | New | Q2 2026 | |
| $893K | 0.11% | 0.12% | Not reported | Q4 2025 | |
| $874K | 0.11% | 0.01% | Not reported | Q2 2025 | |
| $771K | 0.10% | 0.04% | +144.7% | Q1 2026 | |
| Q1 2026Reported May 15, 202685 positions | |||||
| $17.1M | 2.91% | 0.45% | +55.9% | Q1 2025 | |
| $16.2M | 2.75% | 0.06% | +173.0% | Q4 2025 | |
| $13.1M | 2.24% | 0.00% | -19.1% | Q4 2025 | |
| $12.4M | 2.11% | 0.19% | +144.8% | Q4 2024 | |
| $10.4M | 1.76% | 0.09% | Not reported | Q4 2024 | |
| TPTERNTerns Pharmaceuticals, Inc. | $9.58M | 1.63% | 0.16% | -47.5% | Q4 2024 |
| $8.37M | 1.42% | 0.08% | +1.3% | Q1 2025 | |
| $8.22M | 1.40% | 0.10% | +0.4% | Q3 2025 | |
| $7.86M | 1.34% | 0.04% | +118.5% | Q2 2025 | |
| $7.36M | 1.25% | 0.31% | New | Q1 2026 | |
| $7.34M | 1.25% | 0.04% | New | Q1 2026 | |
| $6.87M | 1.17% | 0.14% | +67.9% | Q4 2024 | |
| $6.34M | 1.08% | 0.04% | +21.9% | Q4 2025 | |
| $5.82M | 0.99% | 0.38% | +174.8% | Q1 2025 | |
| $5.52M | 0.94% | 0.00% | +200.0% | Q1 2025 | |
| $5.23M | 0.89% | 0.00% | Not reported | Q4 2024 | |
| $5.14M | 0.88% | 0.19% | Not reported | Q4 2024 | |
| $4.13M | 0.70% | 2.48% | New | Q1 2026 | |
| $3.58M | 0.61% | 0.29% | New | Q1 2026 | |
| $3.56M | 0.61% | 0.19% | New | Q1 2026 | |
| $3.48M | 0.59% | 0.03% | New | Q1 2026 | |
| $3.08M | 0.52% | 0.22% | +200.8% | Q4 2025 | |
| $2.87M | 0.49% | 0.74% | -26.1% | Q4 2025 | |
| $2.6M | 0.44% | 0.16% | +1138.2% | Q3 2025 | |
| $2.4M | 0.41% | 0.14% | -50.1% | Q4 2025 | |
| $2.3M | 0.39% | 0.21% | New | Q1 2026 | |
| $2.21M | 0.38% | 0.68% | New | Q1 2026 | |
| $2.18M | 0.37% | 0.06% | +312.1% | Q3 2025 | |
| $1.96M | 0.33% | 0.60% | Not reported | Q4 2024 | |
| $1.94M | 0.33% | 0.18% | +5.4% | Q4 2025 | |
| $1.89M | 0.32% | 0.39% | New | Q1 2026 | |
| $1.82M | 0.31% | 0.06% | Not reported | Q4 2024 | |
| $1.77M | 0.30% | 0.03% | Not reported | Q3 2025 | |
| $1.73M | 0.30% | 0.94% | New | Q1 2026 | |
| $1.71M | 0.29% | 0.00% | -61.6% | Q2 2025 | |
| $1.64M | 0.28% | 0.70% | New | Q1 2026 | |
| $1.46M | 0.25% | 0.02% | +9.1% | Q4 2024 | |
| $1.4M | 0.24% | 0.19% | -48.4% | Q4 2025 | |
| $1.05M | 0.18% | 0.14% | -77.9% | Q4 2025 | |
| $979K | 0.17% | 0.81% | +5.4% | Q4 2025 | |
| $964K | 0.16% | 3.29% | +15.5% | Q3 2025 | |
| $868K | 0.15% | 0.69% | +24.9% | Q3 2025 | |
| $839K | 0.14% | 0.02% | New | Q1 2026 | |
| $828K | 0.14% | 0.05% | New | Q1 2026 | |
| $820K | 0.14% | 0.22% | -0.3% | Q4 2025 | |
| $770K | 0.13% | 0.12% | -56.4% | Q4 2024 | |
| $770K | 0.13% | 0.08% | -22.2% | Q3 2025 | |
| $750K | 0.13% | 0.16% | Not reported | Q4 2024 | |
| $736K | 0.13% | 0.09% | -62.0% | Q4 2025 | |
| $736K | 0.13% | 0.04% | Not reported | Q2 2025 | |
| Q4 2025Reported Feb 17, 202673 positions | |||||
| TPTERNTerns Pharmaceuticals, Inc. | $14M | 2.41% | 0.31% | +7.0% | Q4 2024 |
| $13.8M | 2.37% | 0.00% | New | Q4 2025 | |
| $11.9M | 2.04% | 0.29% | +73.9% | Q1 2025 | |
| $10.2M | 1.76% | 0.10% | +81.8% | Q3 2025 | |
| $8.7M | 1.50% | 0.08% | -31.3% | Q1 2025 | |
| $7.95M | 1.37% | 0.01% | -65.9% | Q1 2025 | |
| $5.35M | 0.92% | 0.04% | New | Q4 2025 | |
| $4.87M | 0.84% | 0.02% | New | Q4 2025 | |
| $4.68M | 0.81% | 0.08% | +34.8% | Q4 2024 | |
| $4.56M | 0.79% | 0.28% | New | Q4 2025 | |
| $4.53M | 0.78% | 0.00% | Not reported | Q2 2025 | |
| $4.21M | 0.73% | 0.24% | +69.9% | Q3 2025 | |
| $3.68M | 0.63% | 0.08% | +102.9% | Q4 2024 | |
| $3.59M | 0.62% | 0.73% | New | Q4 2025 | |
| $3.39M | 0.58% | 0.09% | New | Q4 2025 | |
| $2.96M | 0.51% | 2.61% | New | Q4 2025 | |
| $2.95M | 0.51% | 0.02% | -37.3% | Q2 2025 | |
| $2.44M | 0.42% | 0.14% | -43.5% | Q1 2025 | |
| $2.3M | 0.40% | 0.42% | New | Q4 2025 | |
| CPCNTACentessa Pharmaceuticals PLC | $2.25M | 0.39% | 0.06% | Not reported | Q4 2024 |
| $2.25M | 0.39% | 0.29% | Not reported | Q4 2024 | |
| $2.15M | 0.37% | 0.00% | Not reported | Q1 2025 | |
| $2.12M | 0.37% | 0.00% | -46.6% | Q1 2025 | |
| $2.1M | 0.36% | 4.24% | New | Q4 2025 | |
| $1.98M | 0.34% | 0.04% | -55.7% | Q2 2025 | |
| $1.88M | 0.32% | 0.53% | New | Q4 2025 | |
| VBVTYXVentyx Biosciences, Inc. | $1.81M | 0.31% | 0.28% | +180.9% | Q3 2025 |
| $1.76M | 0.30% | 0.23% | New | Q4 2025 | |
| $1.71M | 0.29% | 0.10% | +42.1% | Q3 2025 | |
| $1.55M | 0.27% | 0.17% | New | Q4 2025 | |
| $1.49M | 0.26% | 0.09% | New | Q4 2025 | |
| $1.47M | 0.25% | 0.10% | -37.0% | Q3 2025 | |
| $1.46M | 0.25% | 0.01% | -75.2% | Q4 2024 | |
| $1.34M | 0.23% | 0.10% | +128.2% | Q3 2025 | |
| $1.28M | 0.22% | 0.16% | New | Q4 2025 | |
| STSLNOSoleno Therapeutics Inc | $1.25M | 0.21% | 0.05% | -84.8% | Q4 2024 |
| $1.24M | 0.21% | 0.12% | -18.5% | Q1 2025 | |
| $1.22M | 0.21% | 0.08% | +13.2% | Q1 2025 | |
| $1.12M | 0.19% | 0.14% | New | Q4 2025 | |
| $1.08M | 0.19% | 0.07% | Not reported | Q1 2025 | |
| $1.06M | 0.18% | 0.02% | -89.5% | Q4 2024 | |
| $1.03M | 0.18% | 0.22% | New | Q4 2025 | |
| $1.02M | 0.18% | 0.20% | New | Q4 2025 | |
| $977K | 0.17% | 0.10% | New | Q4 2025 | |
| $941K | 0.16% | 0.17% | New | Q4 2025 | |
| $929K | 0.16% | 0.77% | New | Q4 2025 | |
| $907K | 0.16% | 0.03% | New | Q4 2025 | |
| $795K | 0.14% | 2.85% | +12.2% | Q3 2025 | |
| $775K | 0.13% | 0.77% | +138.1% | Q3 2025 | |
| $755K | 0.13% | 0.03% | New | Q4 2025 | |
| Q3 2025Reported Nov 14, 202559 positions | |||||
| $17M | 4.34% | 0.03% | +437.9% | Q1 2025 | |
| STSLNOSoleno Therapeutics Inc | $12M | 3.07% | 0.33% | -37.6% | Q4 2024 |
| $11.5M | 2.95% | 0.11% | +10.4% | Q1 2025 | |
| $7.86M | 2.01% | 0.17% | +10.1% | Q4 2024 | |
| $6.13M | 1.57% | 0.20% | New | Q3 2025 | |
| $5.86M | 1.50% | 0.01% | Not reported | Q4 2024 | |
| $5.48M | 1.40% | 0.05% | Not reported | Q4 2024 | |
| $5.3M | 1.36% | 0.04% | -59.9% | Q1 2025 | |
| $5.09M | 1.30% | 0.17% | -1.9% | Q1 2025 | |
| $4.56M | 1.17% | 0.01% | Not reported | Q1 2025 | |
| $4.52M | 1.16% | 0.25% | +19.2% | Q1 2025 | |
| $4.27M | 1.09% | 0.38% | Not reported | Q4 2024 | |
| $3.51M | 0.90% | 0.07% | New | Q3 2025 | |
| $3.4M | 0.87% | 0.08% | -32.8% | Q2 2025 | |
| $3.05M | 0.78% | 0.04% | -77.9% | Q4 2024 | |
| $2.88M | 0.74% | 0.15% | New | Q3 2025 | |
| $2.76M | 0.71% | 0.03% | -25.3% | Q2 2025 | |
| ATAPGEApogee Therapeutics, Inc. | $2.55M | 0.65% | 0.11% | +507.7% | Q4 2024 |
| TPTERNTerns Pharmaceuticals, Inc. | $2.43M | 0.62% | 0.37% | +24.4% | Q4 2024 |
| $2.2M | 0.56% | 0.16% | New | Q3 2025 | |
| $2.19M | 0.56% | 0.04% | -83.7% | Q4 2024 | |
| $2.16M | 0.55% | 0.04% | New | Q3 2025 | |
| $1.82M | 0.46% | 0.02% | New | Q3 2025 | |
| $1.8M | 0.46% | 0.19% | -40.0% | Q4 2024 | |
| $1.52M | 0.39% | 0.14% | Not reported | Q1 2025 | |
| $1.4M | 0.36% | 0.07% | -75.1% | Q4 2024 | |
| $1.39M | 0.35% | Not reported | Not reported | Q1 2025 | |
| $1.38M | 0.35% | 0.09% | New | Q3 2025 | |
| $1.36M | 0.35% | 0.09% | New | Q3 2025 | |
| ABRNAMAvidity Biosciences, Inc. | $1.31M | 0.33% | 0.02% | New | Q3 2025 |
| $1.25M | 0.32% | Not reported | -33.2% | Q4 2024 | |
| $1.24M | 0.32% | 1.14% | -13.4% | Q4 2024 | |
| $1.14M | 0.29% | 0.07% | New | Q3 2025 | |
| $1.07M | 0.27% | 0.04% | New | Q3 2025 | |
| CPCPRXCatalyst Pharmaceuticals, Inc. | $985K | 0.25% | 0.04% | New | Q3 2025 |
| RPRVPHReviva Pharmaceuticals Holdings, Inc. | $924K | 0.24% | 2.60% | -8.4% | Q1 2025 |
| $900K | 0.23% | 0.18% | New | Q3 2025 | |
| $785K | 0.20% | 0.07% | -53.8% | Q1 2025 | |
| $608K | 0.16% | 0.05% | New | Q3 2025 | |
| $591K | 0.15% | 0.11% | New | Q3 2025 | |
| $517K | 0.13% | 0.01% | New | Q3 2025 | |
| $513K | 0.13% | 2.75% | New | Q3 2025 | |
| $511K | 0.13% | 0.19% | New | Q3 2025 | |
| $429K | 0.11% | 0.49% | New | Q3 2025 | |
| $403K | 0.10% | 0.13% | -48.9% | Q4 2024 | |
| $336K | 0.09% | 0.15% | Not reported | Q4 2024 | |
| $333K | 0.09% | 0.24% | New | Q3 2025 | |
| $294K | 0.08% | 0.34% | New | Q3 2025 | |
| $276K | 0.07% | 0.01% | -83.0% | Q2 2025 | |
| $274K | 0.07% | 0.20% | -80.6% | Q4 2024 | |
Premium opens every quarter this fund has filed