Portolan Capital Management, LLC Portfolio Holdings
Q3 2025•119 long positions•$1.8B portfolio value
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Holding159 | Sector | Position↕ | Traded↕ | Ownership↕ | Shares Δ↕ | Shares Δ % | Market Cap↕ | Owned Since↕ |
|---|---|---|---|---|---|---|---|---|
Auto - Parts Consumer Cyclical | $85.6M 4.63% | +$15.7M Bought | 1.15% 602.5K shares | 492.3K → 602.5K +$15.7M | +22.37% | $7.5B Mid Cap | Q4 2022 Held for 2y 11m | |
Hardware, Equipment & Parts Technology | $68.5M 3.71% | +$3.7M Bought | 1.15% 1.2M shares | 1.1M → 1.2M +$3.7M | +5.75% | $6.0B Mid Cap | Q1 2024 Held for 1y 8m | |
Household & Personal Products Consumer Defensive | $64.6M 3.49% | +$2.7M Bought | 0.859% 487.5K shares | 466.8K → 487.5K +$2.7M | +4.43% | $7.5B Mid Cap | Q3 2018 Held for 7y 2m | |
REIT - Diversified Real Estate | $64.0M 3.46% | +$27.9M Bought | 3.0% 5.5M shares | 3.1M → 5.5M +$27.9M | +77.42% | $2.1B Mid Cap | Q3 2024 Held for 1y 2m | |
Hardware, Equipment & Parts Technology | $62.0M 3.35% | -$73.4M Sold | 0.219% 251.6K shares | 549.6K → 251.6K −$73.4M | -54.23% | $28.3B Large Cap | Q2 2023 Held for 2y 5m | |
Aerospace & Defense Industrials | $54.5M 2.95% | -$66.9M Sold | 0.353% 596.1K shares | 1.3M → 596.1K −$66.9M | -55.13% | $15.4B Large Cap | Q2 2023 Held for 2y 5m | |
Semiconductors Technology | $47.8M 2.59% | +$20.7M Bought | 0.771% 668.9K shares | 379.0K → 668.9K +$20.7M | +76.47% | $6.2B Mid Cap | Q1 2024 Held for 1y 8m | |
Aerospace & Defense Industrials | $46.6M 2.52% | -$9.7M Sold | 0.296% 147.9K shares | 178.8K → 147.9K −$9.7M | -17.27% | $15.7B Large Cap | Q2 2025 Held for 5 months | |
Electrical Equipment & Parts Industrials | $45.2M 2.45% | -$6.8M Sold | 1.23% 148.2K shares | 170.6K → 148.2K −$6.8M | -13.08% | $3.7B Mid Cap | Q4 2024 Held for 11 months | |
Software - Infrastructure Technology | $44.8M 2.43% | +$26.1M Bought | 0.99% 2.4M shares | 1.0M → 2.4M +$26.1M | +139.13% | $4.5B Mid Cap | Q1 2024 Held for 1y 8m | |
Internet Content & Information Communication Services | $44.7M 2.42% | -$5.9M Sold | 1.52% 3.6M shares | 4.1M → 3.6M −$5.9M | -11.59% | $3.0B Mid Cap | Q4 2022 Held for 2y 11m | |
Software - Application Technology | $42.5M 2.3% | +$25.0M Bought | 6.51% 2.7M shares | 1.1M → 2.7M +$25.0M | +142.33% | $653.1M Small Cap | Q1 2025 Held for 8 months | |
Unknown Unknown | $40.3M 2.18% | +$12.4M Bought | 0.207% 94.7K shares | 65.6K → 94.7K +$12.4M | +44.41% | $19.4B Large Cap | Q3 2024 Held for 1y 2m | |
Hardware, Equipment & Parts Technology | $34.5M 1.87% | +$6.7M Bought | 0.159% 595.8K shares | 480.6K → 595.8K +$6.7M | +23.97% | $21.7B Large Cap | Q3 2022 Held for 3y 2m | |
Medical - Diagnostics & Research Healthcare | $34.5M 1.87% | +$581.5K Bought | 5.22% 1.5M shares | 1.5M → 1.5M +$581.5K | +1.71% | $660.5M Small Cap | Q2 2022 Held for 3y 5m | |
Apparel - Manufacturers Consumer Cyclical | $30.0M 1.62% | +$9.5M Bought | 2.24% 2.2M shares | 1.5M → 2.2M +$9.5M | +46.15% | $1.3B Small Cap | Q4 2024 Held for 11 months | |
Hardware, Equipment & Parts Technology | $26.4M 1.43% | -$5.4M Sold | 6.2% 823.3K shares | 990.4K → 823.3K −$5.4M | -16.88% | $425.6M Small Cap | Q4 2024 Held for 11 months | |
Software - Application Technology | $25.7M 1.39% | -$15.2M Sold | 1.47% 1.5M shares | 2.4M → 1.5M −$15.2M | -37.19% | $1.7B Small Cap | Q4 2020 Held for 4y 11m | |
Specialty Retail Consumer Cyclical | $25.5M 1.38% | +$2.6M Bought | 6.23% 6.9M shares | 6.2M → 6.9M +$2.6M | +11.43% | $409.5M Small Cap | Q3 2022 Held for 3y 2m | |
Software - Infrastructure Technology | $24.3M 1.31% | -$6.9M Sold | 3.13% 747.7K shares | 961.6K → 747.7K −$6.9M | -22.25% | $775.0M Small Cap | Q1 2022 Held for 3y 8m | |
Real Estate - Services Real Estate | $24.1M 1.3% | +$15.8M Bought | 2.76% 5.8M shares | 2.0M → 5.8M +$15.8M | +190.51% | $874.9M Small Cap | Q1 2025 Held for 8 months | |
Semiconductors Technology | $23.7M 1.28% | +$15.7M Bought | 0.293% 327.3K shares | 109.6K → 327.3K +$15.7M | +198.55% | $8.1B Mid Cap | Q4 2024 Held for 11 months | |
Unknown Unknown | $23.2M 1.26% | +$5.1M Bought | — 1.1M shares | 876.4K → 1.1M +$5.1M | +28.26% | — — | Q2 2024 Held for 1y 5m | |
Medical - Devices Healthcare | $23.1M 1.25% | +$3.4M Bought | 9.17% 4.3M shares | 3.6M → 4.3M +$3.4M | +17.23% | $252.3M Micro Cap | Q2 2022 Held for 3y 5m | |
Semiconductors Technology | $22.8M 1.23% | +$22.8M New | 1.54% 769.8K shares | 0 → 769.8K +$22.8M | New | $1.5B Small Cap | Q3 2025 Held for 2 months | |
Apparel - Footwear & Accessories Consumer Cyclical | $21.9M 1.18% | +$21.9M New | 0.98% 796.6K shares | 0 → 796.6K +$21.9M | New | $2.2B Mid Cap | Q3 2025 Held for 2 months | |
Financial - Credit Services Financial Services | $21.7M 1.17% | +$2.9M Bought | 2.92% 1.6M shares | 1.4M → 1.6M +$2.9M | +15.28% | $743.9M Small Cap | Q1 2025 Held for 8 months | |
Packaged Foods Consumer Defensive | $21.4M 1.16% | -$1.4M Sold | 5.02% 2.0M shares | 2.2M → 2.0M −$1.4M | -6.03% | $425.6M Small Cap | Q2 2024 Held for 1y 5m | |
Engineering & Construction Industrials | $20.5M 1.11% | +$6.8M Bought | 0.276% 149.2K shares | 99.4K → 149.2K +$6.8M | +50.07% | $7.4B Mid Cap | Q2 2024 Held for 1y 5m | |
Software - Application Technology | $20.4M 1.1% | -$5.8M Sold | 0.431% 1.0M shares | 1.3M → 1.0M −$5.8M | -22.08% | $4.7B Mid Cap | Q3 2023 Held for 2y 2m | |
Unknown Unknown | $19.2M 1.04% | +$19.2M Bought | 0.85% 195.8K shares | — | — | $2.3B Mid Cap | Q4 2024 Held for 11 months | |
Solar Energy | $18.3M 0.993% | +$18.3M New | 0.078% 83.2K shares | 0 → 83.2K +$18.3M | New | $23.7B Large Cap | Q3 2025 Held for 2 months | |
Medical - Instruments & Supplies Healthcare | $17.8M 0.964% | -$8.4M Sold | 0.53% 646.1K shares | 949.3K → 646.1K −$8.4M | -31.94% | $3.4B Mid Cap | Q1 2023 Held for 2y 8m | |
Hardware, Equipment & Parts Technology | $17.5M 0.944% | +$8.6M Bought | 0.977% 123.8K shares | 62.5K → 123.8K +$8.6M | +97.94% | $1.8B Small Cap | Q3 2022 Held for 3y 2m | |
Medical - Diagnostics & Research Healthcare | $17.3M 0.935% | -$8.7M Sold | 0.295% 226.7K shares | 341.4K → 226.7K −$8.7M | -33.6% | $5.9B Mid Cap | Q2 2023 Held for 2y 5m | |
Software - Infrastructure Technology | $17.0M 0.921% | +$17.0M Bought | 0.172% 95.8K shares | — | — | $9.9B Mid Cap | Q3 2025 Held for 2 months | |
Semiconductors Technology | $15.9M 0.859% | +$15.9M Bought | 0.632% 405.9K shares | — | — | $2.5B Mid Cap | Q3 2025 Held for 2 months | |
Drug Manufacturers - Specialty & Generic Healthcare | $15.2M 0.825% | +$2.2M Bought | 0.437% 297.2K shares | 254.5K → 297.2K +$2.2M | +16.79% | $3.5B Mid Cap | Q1 2023 Held for 2y 8m | |
Electrical Equipment & Parts Industrials | $15.2M 0.821% | +$3.6M Bought | 0.026% 100.6K shares | 76.7K → 100.6K +$3.6M | +31.13% | $57.6B Large Cap | Q2 2023 Held for 2y 5m | |
Software - Infrastructure Technology | $14.6M 0.791% | -$19.1M Sold | 0.275% 188.8K shares | 435.2K → 188.8K −$19.1M | -56.62% | $5.3B Mid Cap | Q3 2023 Held for 2y 2m | |
Unknown Unknown | $14.5M 0.786% | +$14.5M New | 0.815% 363.4K shares | 0 → 363.4K +$14.5M | New | $1.8B Small Cap | Q3 2025 Held for 2 months | |
Computer Hardware Technology | $14.2M 0.769% | +$9.5M Bought | 0.05% 296.3K shares | 98.5K → 296.3K +$9.5M | +200.71% | $28.5B Large Cap | Q4 2022 Held for 2y 11m | |
Semiconductors Technology | $14.2M 0.766% | +$2.4M Bought | 0.876% 546.2K shares | 455.3K → 546.2K +$2.4M | +19.96% | $1.6B Small Cap | Q2 2023 Held for 2y 5m | |
Gambling, Resorts & Casinos Consumer Cyclical | $13.9M 0.753% | -$4.4M Sold | 0.075% 372.0K shares | 490.5K → 372.0K −$4.4M | -24.17% | $18.6B Large Cap | Q3 2024 Held for 1y 2m | |
Medical - Diagnostics & Research Healthcare | $13.6M 0.734% | +$4.4M Bought | 1.75% 933.5K shares | 630.0K → 933.5K +$4.4M | +48.19% | $773.9M Small Cap | Q1 2025 Held for 8 months | |
ETF ETF | $13.3M 0.718% | -$12.7M Sold | — 1.6M shares | 3.1M → 1.6M −$12.7M | -48.99% | — — | Q1 2025 Held for 8 months | |
Medical - Devices Healthcare | $13.0M 0.705% | -$4.6M Sold | 0.172% 46.4K shares | 62.8K → 46.4K −$4.6M | -26.03% | $7.6B Mid Cap | Q4 2015 Held for 9y 11m | |
Entertainment Communication Services | $12.9M 0.701% | +$12.9M New | 0.579% 208.4K shares | 0 → 208.4K +$12.9M | New | $2.2B Mid Cap | Q3 2025 Held for 2 months | |
Hardware, Equipment & Parts Technology | $12.9M 0.7% | +$12.9M New | 3.65% 1.6M shares | 0 → 1.6M +$12.9M | New | $354.2M Small Cap | Q3 2025 Held for 2 months | |
Apparel - Manufacturers Consumer Cyclical | $12.9M 0.7% | +$1.8M Bought | 0.539% 1.4M shares | 1.2M → 1.4M +$1.8M | +15.64% | $2.4B Mid Cap | Q4 2024 Held for 11 months |
