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CIK: 0001350290
Total reported value
$2.7B
$2.7B
155 檔
11.8%
In Q4 2025, Portolan Capital Management, LLC's U.S. equity holdings reached a combined market value of $2.7B, distributed across 155 disclosed stock positions.
In Q4 2025, Portolan Capital Management, LLC displayed an active expansion posture, initiating 57 new positions and adding to 34 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TTMI | Ttm Technologies | Stock-Tech | 4.24% | -0.21% | -3.54% | |
| 2 | MOD | Modine Manufacturing Co | Stock-Consumer Disc | 3.83% | -1.61% | -11.04% | |
| 3 | CSTL | Castle Biosciences Inc | Stock-Other | 3.60% | -1.47% | +14.15% | |
| 4 | CLS | Celestica Inc | Stock-Tech | 2.73% | -1.24% | -31.52% | |
| 5 | AKAM | Akamai Technologies Inc | Stock-Tech | 2.45% | -1.22% | — | |
| 6 | REAX | Real Brokerage Inc/the | Stock-Other | 2.11% | -1.18% | +86.85% | |
| 7 | SMTC | Semtech CORP | Stock-Tech | 2.01% | +0.43% | -23.95% | |
| 8 | BIDU | Baidu Inc - Spon Adr | Stock-Comm Services | 1.85% | -1.76% | +5657.23% | |
| 9 | VPG | Vishay Precision Group | Stock-Other | 1.81% | +3.30% | +6.60% | |
| 10 | GENI | Genius Sports Limited | Stock-Other | 1.73% | +0.93% | -18.68% | |
| 11 | LNTH | Lantheus Holdings Inc | Stock-Healthcare | 1.70% | -0.48% | +60.09% | |
| 12 | FOUR | Shift4 Payments Inc-class A | Stock-Tech | 1.58% | +1.53% | +147.97% | |
| 13 | QTRX | Quanterix CORP | Stock-Other | 1.54% | -0.24% | +6.24% | |
| 14 | FLEX | Flex Ltd. | Stock-Tech | 1.51% | -0.15% | -21.63% | |
| 15 | TLN | Talen Energy CORP | Stock-Utilities | 1.51% | -0.09% | -20.83% | |
| 16 | GOOS | Canada Goose Holdings Inc | Stock-Other | 1.48% | -0.90% | -1.61% | |
| 17 | WRBY | Warby Parker Inc-class A | Stock-Other | 1.44% | +0.40% | +90.71% | |
| 18 | ZETA | Zeta Global Holdings Corp-a | Stock-Tech | 1.44% | +0.70% | +28.64% | |
| 19 | POWL | Powell Industries Inc | Stock-Industrials | 1.35% | -0.62% | -46.63% | |
| 20 | LPTH | Lightpath Technologies Inc-a | Stock-Other | 1.35% | -0.17% | +42.94% | |
| 21 | BELFB | Bel Fuse Inc-cl B | Stock-Other | 1.27% | +0.04% | +12.72% | |
| 22 | CLBT | Cellebrite DI Ltd. | Stock-Other | 1.24% | -0.54% | -46.80% | |
| 23 | KTOS | Kratos Defense & Security | Stock-Industrials | 1.20% | -0.86% | -50.68% | |
| 24 | LUXE | Luxexperience BV | Stock-Other | 1.19% | -0.46% | +70.42% | |
| 25 | LASR | Nlight Inc | Stock-Other | 1.19% | -0.28% | -23.30% | |
| 26 | FSLR | First Solar Inc | Stock-Tech | 1.10% | — | -5.33% | |
| 27 | FAF | First American Financial | Stock-Financials | 1.06% | — | — | |
| 28 | PRCH | Porch Group Inc | Stock-Other | 1.02% | +0.56% | +35.77% | |
| 29 | AVAV | Aerovironment Inc | Stock-Industrials | 0.98% | -0.26% | EXIT | |
| 30 | DOMO | Domo Inc - Class B | Stock-Other | 0.98% | -0.03% | EXIT | |
| 31 | UTHR | United Therapeutics CORP | Stock-Healthcare | 0.96% | -0.35% | +103.32% | |
| 32 | TSEM | Tower Semiconductor Ltd. | Stock-Tech | 0.93% | — | -54.62% | |
| 33 | IIIV | I3 Verticals Inc-class A | Stock-Other | 0.91% | -0.25% | EXIT | |
| 34 | MAMA | Mama's Creations Inc | Stock-Other | 0.90% | -0.30% | -38.78% | |
| 35 | SPHR | Sphere Entertainment Co | Stock-Comm Services | 0.89% | — | -15.72% | |
| 36 | ALNT | Allient Inc | Stock-Other | 0.87% | +0.37% | +17.17% | |
| 37 | JBL | Jabil Inc | Stock-Tech | 0.86% | -0.53% | — | |
| 38 | MRX | Marex Group plc | Stock-Other | 0.86% | — | — | |
| 39 | ENVA | Enova International Inc | Stock-Financials | 0.82% | +1.21% | +0.03% | |
| 40 | BIIB | Biogen Inc | Stock-Healthcare | 0.80% | — | — | |
| 41 | TECH | Bio-techne CORP | Stock-Healthcare | 0.78% | — | — | |
| 42 | FCX | Freeport-mcmoran Inc | Stock-Materials | 0.78% | — | — | |
| 43 | ELF | Elf Beauty Inc | Stock-Consumer Staples | 0.78% | -0.23% | -60.55% | |
| 44 | CDNA | Caredx Inc | Stock-Other | 0.77% | +0.42% | -18.72% | |
| 45 | UPWK | Upwork Inc | Stock-Other | 0.76% | -0.92% | EXIT | |
| 46 | MGA | Magna International Inc | Stock-Consumer Disc | 0.73% | — | — | |
| 47 | CIEN | Ciena CORP | Stock-Tech | 0.71% | -0.10% | -36.39% | |
| 48 | PRIM | Primoris Services CORP | Stock-Industrials | 0.70% | -0.99% | EXIT | |
| 49 | NOVT | Novanta Inc | Stock-Other | 0.68% | -0.08% | — | |
| 50 | DBRG | Digitalbridge Group Inc | Stock-Financials | 0.68% | -0.28% | -84.91% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | BIDU | Baidu Inc - Spon Adr | +1.8% | +5657.23% | Add |
| 2 | CSTL | Castle Biosciences Inc | +1.7% | +14.15% | Add |
| 3 | LNTH | Lantheus Holdings Inc | +0.9% | +60.09% | Add |
| 4 | REAX | Real Brokerage Inc/the | +0.8% | +86.85% | Add |
| 5 | FOUR | Shift4 Payments Inc-class A | +0.8% | +147.97% | Add |
| 6 | LPTH | Lightpath Technologies Inc-a | +0.7% | +42.94% | Add |
| 7 | UTHR | United Therapeutics CORP | +0.6% | +103.32% | Add |
| 8 | TTMI | Ttm Technologies | +0.5% | -3.54% | Trim |
| 9 | WRBY | Warby Parker Inc-class A | +0.5% | +90.71% | Add |
| 10 | LUXE | Luxexperience BV | +0.5% | +70.42% | Add |
| 11 | PACK | Ranpak Holdings CORP | +0.5% | +518.38% | Add |
| 12 | VPG | Vishay Precision Group | +0.4% | +6.60% | Add |
| 13 | UPWK | Upwork Inc | +0.4% | +82.68% | Add |
| 14 | ZETA | Zeta Global Holdings Corp-a | +0.3% | +28.64% | Add |
| 15 | BELFB | Bel Fuse Inc-cl B | +0.3% | +12.72% | Add |
| 16 | QTRX | Quanterix CORP | +0.3% | +6.24% | Add |
| 17 | ALNT | Allient Inc | +0.3% | +17.17% | Add |
| 18 | TGLS | Tecnoglass Inc. | +0.2% | +118.60% | Add |
| 19 | WLDN | Willdan Group Inc | +0.2% | +232.18% | Add |
| 20 | ENVA | Enova International Inc | +0.2% | +0.03% | Add |
| 21 | TMDX | Transmedics Group Inc | +0.2% | +40.61% | Add |
| 22 | SPHR | Sphere Entertainment Co | +0.2% | -15.72% | Trim |
| 23 | PLSE | Pulse Biosciences Inc | +0.2% | +285.04% | Add |
| 24 | SG | Sweetgreen Inc - Class A | +0.2% | +166.57% | Add |
| 25 | CADL | Candel Therapeutics Inc | +0.1% | +22.48% | Add |
| 26 | WGS | Genedx Holdings CORP | +0.1% | +26.63% | Add |
| 27 | FSLR | First Solar Inc | +0.1% | -5.33% | Trim |
| 28 | HZO | Marinemax Inc | +0.1% | +24.12% | Add |
| 29 | NTRA | Natera Inc | +0.1% | — | Unchanged |
| 30 | VNET | Vnet Group Inc-adr | +0.1% | +42.18% | Add |
| 31 | STC | Stewart Information Services | 0% | +15.65% | Add |
| 32 | CDNA | Caredx Inc | 0% | -18.72% | Trim |
| 33 | ✓ | Establishment Labs Holdings In | 0% | -38.97% | Trim |
| 34 | GOOG | Alphabet Inc-cl C | 0% | — | Unchanged |
| 35 | TPR | Tapestry Inc | 0% | — | Unchanged |
| 36 | FORR | Forrester Research Inc | 0% | +37.34% | Add |
| 37 | CIEN | Ciena CORP | 0% | -36.39% | Trim |
| 38 | PKE | Park Aerospace CORP | 0% | — | Unchanged |
| 39 | CWST | Casella Waste Systems Inc-a | — | — | Unchanged |
| 40 | GDS | Gds Holdings LTD - Adr | — | +9.21% | Add |
| 41 | MRCY | Mercury Systems Inc | 0% | +3.31% | Add |
| 42 | KRUS | Kura Sushi USA Inc-class A | 0% | +13.97% | Add |
| 43 | MSFT | Microsoft CORP | 0% | — | Unchanged |
| 44 | LPRO | Open Lending CORP | 0% | +28.93% | Add |
| 45 | FEIM | Frequency Electronics Inc | 0% | -44.52% | Trim |
| 46 | LASR | Nlight Inc | 0% | -23.30% | Trim |
| 47 | OLPX | Olaplex Holdings Inc | 0% | -15.20% | Trim |
| 48 | LHX | L3harris Technologies Inc | -0.1% | -57.30% | Trim |
| 49 | GCT | GigaCloud Technology Inc. | -0.1% | -37.62% | Trim |
| 50 | ORCL | Oracle CORP | -0.1% | — | Unchanged |
According to official SEC Form 13F filings, Portolan Capital Management, LLC reported a total U.S. public equity portfolio value of $2.7B across 155 disclosed positions in Q4 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including TTMI, MOD, CSTL) accounted for 11.8% of total reported equity market value during Q4 2025.
Top New Position Initiated
AKAM
市值: $45.7M
Top Position Liquidated / Trimmed
WWW
前期市值: $21.9M
During Q4 2025, Portolan Capital Management, LLC's top holdings by market value included TTMI (4.2%)、MOD (3.8%)、CSTL (3.6%). The largest single position, TTMI, represented 4.2% of total portfolio value.
In Q4 2025, Portolan Capital Management, LLC made 167 total portfolio adjustments, initiating 57 new buys, adding to 34 positions, trimming 55 holdings, and fully liquidating 21 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
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