Holdings of Portolan Capital Management, LLC
125 declared positions · as of Mar 31, 2026
Original filing · Ten largest lines: 32.9 % of the equity sleeve
Sector breakdown
- Health care 6.6 %
- Technology 3.3 %
- Consumer discretionary 0.9 %
- Communication 0.9 %
- Consumer staples 0.6 %
- Unattributed 87.6 %
Titelia classification, company by company. The unattributed share stays visible.
Currency breakdown
The quoted currency of each line, as declared.
Country breakdown
- US 96.4 %
- NL 1.9 %
- FI 1.2 %
- AU 0.3 %
- KY 0.0 %
Shares computed on the equity sleeve.
| Rank | Country | Lines | Value | Share |
|---|
| 1 | US | 121 | 1.5B $ | 96.44 % |
| 2 | NL | 1 | 29.9M $ | 1.94 % |
| 3 | FI | 1 | 19.2M $ | 1.25 % |
| 4 | AU | 1 | 5.2M $ | 0.34 % |
| 5 | KY | 1 | 615.7K $ | 0.04 % |
Positions
| Rank | Company | Shares | Value | Weight |
|---|
| 1 | Modine Manufacturing Co | 412,092 | 89.3M $ | |
| 2 | TTM Technologies Inc | 727,494 | 70.9M $ | |
| 3 | Virtu Financial Inc | 1,211,887 | 53.3M $ | |
| 4 | Akamai Technologies Inc | 423,442 | 48.6M $ | |
| 5 | Vishay Precision Group Inc | 1,019,868 | 44.3M $ | |
| 6 | Par Pacific Holdings Inc | 693,834 | 43.5M $ | |
| 7 | Powell Industries Inc | 75,830 | 41M $ | |
| 8 | Baidu Inc | 366,429 | 40.8M $ | |
| 9 | PBF Energy Inc | 799,998 | 38.1M $ | |
| 10 | United Therapeutics Corp | 63,435 | 37.6M $ | |
| 11 | Crescent Energy Co | 2,601,142 | 35.1M $ | |
| 12 | Castle Biosciences Inc | 1,350,283 | 33.1M $ | |
| 13 | Lantheus Holdings Inc | 417,390 | 31.7M $ | |
| 14 | LuxExperience BV | 3,733,943 | 29.9M $ | |
| 15 | TALEN ENERGY CORP | 81,574 | 26M $ | |
| 16 | Semtech Corp | 332,327 | 25.6M $ | |
| 17 | Core Natural Resources Inc | 237,036 | 24.8M $ | |
| 18 | Murphy USA Inc | 48,107 | 23.8M $ | |
| 19 | Biogen Inc | 118,481 | 21.7M $ | |
| 20 | Kura Sushi USA Inc | 301,212 | 21M $ | |
| 21 | Qualys Inc | 239,028 | 21M $ | |
| 22 | Jabil Inc | 77,197 | 20.5M $ | |
| 23 | Circle Internet Group Inc | 213,796 | 20.4M $ | |
| 24 | Nokia Oyj | 2,393,970 | 19.2M $ | |
| 25 | Allient Inc | 323,453 | 19.1M $ | |
| 26 | Primoris Services Corp | 130,626 | 18.7M $ | |
| 27 | Dave Inc | 105,442 | 18.4M $ | |
| 28 | Kratos Defense & Security Solutions, Inc. | 259,811 | 18.3M $ | |
| 29 | Mama's Creations Inc | 1,176,936 | 18.1M $ | |
| 30 | Adeia Inc | 729,461 | 17.5M $ | |
| 31 | Upwork Inc | 1,570,560 | 17.2M $ | |
| 32 | Pulse Biosciences Inc | 733,372 | 15.8M $ | |
| 33 | Porch Group Inc | 2,144,890 | 15.4M $ | |
| 34 | Mayville Engineering Co Inc | 821,136 | 14.7M $ | |
| 35 | Candel Therapeutics Inc | 2,894,325 | 14.2M $ | |
| 36 | nLight Inc | 225,576 | 12.9M $ | |
| 37 | eBay Inc | 126,096 | 11.5M $ | |
| 38 | Park Aerospace Corp | 410,655 | 11.2M $ | |
| 39 | Enova International Inc | 80,923 | 11M $ | |
| 40 | Remitly Global Inc | 698,166 | 10.9M $ | |
| 41 | Evolv Technologies Holdings Inc | 1,795,688 | 10.9M $ | |
| 42 | Warby Parker Inc | 500,706 | 10.5M $ | |
| 43 | Bel Fuse Inc | 53,170 | 10.5M $ | |
| 44 | LightPath Technologies Inc | 1,040,462 | 10.4M $ | |
| 45 | Quanterix Corp | 2,945,823 | 10.4M $ | |
| 46 | Regal Rexnord Corp | 53,975 | 10.1M $ | |
| 47 | American Superconductor Corp | 295,636 | 10M $ | |
| 48 | Twilio Inc | 74,769 | 9.4M $ | |
| 49 | Shift4 Payments Inc | 214,284 | 9.4M $ | |
| 50 | Honest Co Inc/The | 3,045,834 | 9M $ | |
| 51 | Forrester Research Inc | 1,541,276 | 8.7M $ | |
| 52 | Open Lending Corp | 6,902,888 | 8.6M $ | |
| 53 | Moog Inc | 29,437 | 8.6M $ | |
| 54 | Veeco Instruments Inc | 253,379 | 8.6M $ | |
| 55 | HealthEquity Inc | 101,646 | 8.5M $ | |
| 56 | elf Beauty Inc | 136,707 | 8.3M $ | |
| 57 | Digi International Inc | 170,256 | 8.2M $ | |
| 58 | Graham Corp | 103,556 | 8.2M $ | |
| 59 | Zeta Global Holdings Corp | 486,271 | 7.7M $ | |
| 60 | Element Solutions Inc | 221,232 | 7.6M $ | |
| 61 | Repay Holdings Corp | 2,856,178 | 7.4M $ | |
| 62 | Willdan Group Inc | 93,964 | 7.2M $ | |
| 63 | Axcelis Technologies Inc | 77,168 | 7.2M $ | |
| 64 | Ciena Corp | 18,466 | 7.2M $ | |
| 65 | Ranpak Holdings Corp | 1,947,681 | 7M $ | |
| 66 | Vnet Group Inc | 825,490 | 6.9M $ | |
| 67 | Nextpower Inc | 56,747 | 6.8M $ | |
| 68 | Frequency Electronics Inc | 150,141 | 6.6M $ | |
| 69 | GeneDx Holdings Corp | 102,575 | 6.6M $ | |
| 70 | Take-Two Interactive Software Inc | 32,219 | 6.4M $ | |
| 71 | PROCEPT BIOROBOTICS CORP | 251,716 | 6.3M $ | |
| 72 | Northern Oil & Gas Inc | 204,244 | 6M $ | |
| 73 | CareDx Inc | 340,352 | 5.9M $ | |
| 74 | BlackLine Inc | 159,026 | 5.9M $ | |
| 75 | Meta Platforms Inc | 10,261 | 5.9M $ | |
| 76 | Celsius Holdings Inc | 164,597 | 5.8M $ | |
| 77 | DigitalBridge Group Inc | 373,130 | 5.8M $ | |
| 78 | IES Holdings Inc | 11,869 | 5.7M $ | |
| 79 | Century Aluminum Co | 95,039 | 5.6M $ | |
| 80 | Talos Energy Inc | 344,549 | 5.4M $ | |
| 81 | TELIX PHARMACEUTICALS LTD | 541,267 | 5.2M $ | |
| 82 | Miami International Holdings Inc | 128,819 | 5M $ | |
| 83 | AeroVironment Inc | 26,880 | 4.9M $ | |
| 84 | Viavi Solutions Inc | 145,844 | 4.9M $ | |
| 85 | XPeng Inc | 275,432 | 4.7M $ | |
| 86 | Personalis Inc | 736,713 | 4.7M $ | |
| 87 | Mobileye Global Inc | 678,135 | 4.7M $ | |
| 88 | I3 Verticals Inc | 207,274 | 4.6M $ | |
| 89 | Onto Innovation Inc | 22,263 | 4.6M $ | |
| 90 | ProPetro Holding Corp | 314,815 | 4.5M $ | |
| 91 | Sezzle Inc | 70,046 | 4.4M $ | |
| 92 | Douglas Elliman Inc | 2,669,030 | 4.4M $ | |
| 93 | Vicor Corp | 26,670 | 4.3M $ | |
| 94 | Lumentum Holdings Inc | 5,822 | 4.1M $ | |
| 95 | Bio-Rad Laboratories Inc | 14,173 | 4M $ | |
| 96 | Sanmina Corp | 27,332 | 3.5M $ | |
| 97 | Forgent Power Solutions Inc | 117,933 | 3.5M $ | |
| 98 | Green Dot Corp | 298,697 | 3.4M $ | |
| 99 | ACM Research Inc | 83,256 | 3.3M $ | |
| 100 | Sprout Social Inc | 558,350 | 3.2M $ | |