Portolan Capital Management, LLC
Securities ▲▼ | Shares | Value ($K) | ||||
|---|---|---|---|---|---|---|
Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | |
| PAR PAC HOLDINGS INC | 0 | 693,834 | +693,834 | 0 | 43,461,762 | +43,461,762 |
| VIRTU FINL INC | 376,283 | 1,211,887 | +835,604 | 12,537,750 | 53,298,790 | +40,761,040 |
| PBF ENERGY INC | 0 | 799,998 | +799,998 | 0 | 38,095,905 | +38,095,905 |
| CRESCENT ENERGY COMPANY | 39,900 | 2,601,142 | +2,561,242 | 334,761 | 35,115,417 | +34,780,656 |
| MURPHY USA INC | 0 | 48,107 | +48,107 | 0 | 23,763,415 | +23,763,415 |
| FABRINET | 10,878 | 54,763 | +43,885 | 4,952,536 | 28,560,000 | +23,607,464 |
| OKEANIS ECO TANKERS COR | 161,815 | 538,860 | +377,045 | 5,475,820 | 27,260,927 | +21,785,107 |
| CIRCLE INTERNET GROUP INC | 0 | 213,796 | +213,796 | 0 | 20,398,276 | +20,398,276 |
| DHT HOLDINGS INC | 0 | 1,091,788 | +1,091,788 | 0 | 19,946,967 | +19,946,967 |
| UNITED THERAPEUTICS CORP DEL | 36,753 | 63,435 | +26,682 | 17,907,899 | 37,615,686 | +19,707,787 |
| MODINE MFG CO | 535,947 | 412,092 | -123,855 | 71,554,284 | 89,304,457 | +17,750,173 |
| POWELL INDS INC | 79,116 | 75,830 | -3,286 | 25,220,598 | 41,030,096 | +15,809,498 |
| HAFNIA LTD | 0 | 1,948,717 | +1,948,717 | 0 | 14,810,249 | +14,810,249 |
| QUALYS INC | 51,855 | 239,028 | +187,173 | 6,891,530 | 20,998,610 | +14,107,080 |
| CORE NATURAL RESOURCES INC | 130,242 | 237,036 | +106,794 | 11,527,719 | 24,824,780 | +13,297,061 |
| ADEIA INC | 256,208 | 729,461 | +473,253 | 4,419,588 | 17,528,948 | +13,109,360 |
| NOKIA CORP | 1,076,122 | 2,393,970 | +1,317,848 | 6,962,509 | 19,247,519 | +12,285,010 |
| AMER SPORTS INC | 0 | 357,826 | +357,826 | 0 | 11,779,632 | +11,779,632 |
| KURA SUSHI USA INC | 190,796 | 301,212 | +110,416 | 9,984,355 | 21,021,585 | +11,037,230 |
| EVOLV TECHNOLOGIES HLDNGS IN | 0 | 1,795,688 | +1,795,688 | 0 | 10,863,912 | +10,863,912 |
| VISHAY PRECISION GROUP INC | 877,669 | 1,019,868 | +142,199 | 33,790,257 | 44,282,669 | +10,492,412 |
| PULSE BIOSCIENCES INC | 393,499 | 733,372 | +339,873 | 5,402,741 | 15,833,501 | +10,430,760 |
| AMERICAN SUPERCONDUCTOR CORP | 0 | 295,636 | +295,636 | 0 | 10,007,279 | +10,007,279 |
| TWILIO INC | 0 | 74,769 | +74,769 | 0 | 9,407,436 | +9,407,436 |
| MOOG INC | 0 | 29,437 | +29,437 | 0 | 8,614,444 | +8,614,444 |
| DAVE INC | 44,001 | 105,442 | +61,441 | 9,742,261 | 18,356,398 | +8,614,137 |
| VEECO INSTRS INC DEL | 0 | 253,379 | +253,379 | 0 | 8,579,413 | +8,579,413 |
| HEALTHEQUITY INC | 0 | 101,646 | +101,646 | 0 | 8,494,556 | +8,494,556 |
| GRAHAM CORP | 0 | 103,556 | +103,556 | 0 | 8,172,640 | +8,172,640 |
| LUXEXPERIENCE BV | 2,660,674 | 3,733,943 | +1,073,269 | 22,216,628 | 29,871,544 | +7,654,916 |
| CANADA GOOSE HLDGS INC | 2,138,904 | 3,218,277 | +1,079,373 | 27,698,807 | 35,304,499 | +7,605,692 |
| ELEMENT SOLUTIONS INC | 0 | 221,232 | +221,232 | 0 | 7,552,860 | +7,552,860 |
| AXCELIS TECHNOLOGIES INC | 0 | 77,168 | +77,168 | 0 | 7,182,797 | +7,182,797 |
| ON HLDG AG | 0 | 202,444 | +202,444 | 0 | 6,887,145 | +6,887,145 |
| REGAL REXNORD CORPORATION | 23,098 | 53,975 | +30,877 | 3,241,111 | 10,107,359 | +6,866,248 |
| CELLEBRITE DI LTD | 1,287,287 | 2,180,924 | +893,637 | 23,209,785 | 30,053,133 | +6,843,348 |
| BIOGEN INC | 84,990 | 118,481 | +33,491 | 14,957,390 | 21,721,122 | +6,763,732 |
| EBAY INC. | 58,144 | 126,096 | +67,952 | 5,064,342 | 11,477,258 | +6,412,916 |
| BAIDU INC | 263,681 | 366,429 | +102,748 | 34,452,559 | 40,827,519 | +6,374,960 |
| PARK AEROSPACE CORP | 245,035 | 410,655 | +165,620 | 5,229,047 | 11,243,734 | +6,014,687 |
| NORTHERN OIL & GAS INC | 0 | 204,244 | +204,244 | 0 | 5,970,052 | +5,970,052 |
| BLACKLINE INC | 0 | 159,026 | +159,026 | 0 | 5,883,962 | +5,883,962 |
| CELSIUS HLDGS INC | 0 | 164,597 | +164,597 | 0 | 5,839,902 | +5,839,902 |
| CENTURY ALUM CO | 0 | 95,039 | +95,039 | 0 | 5,577,839 | +5,577,839 |
| PRIMORIS SVCS CORP | 105,716 | 130,626 | +24,910 | 13,123,584 | 18,684,743 | +5,561,159 |
| TELIX PHARMACEUTICAL LTD | 0 | 541,267 | +541,267 | 0 | 5,179,925 | +5,179,925 |
| MAYVILLE ENGR CO INC | 512,762 | 821,136 | +308,374 | 9,598,905 | 14,739,391 | +5,140,486 |
| MIAMI INTL HLDGS INC | 0 | 128,819 | +128,819 | 0 | 5,013,635 | +5,013,635 |
| VIAVI SOLUTIONS INC | 0 | 145,844 | +145,844 | 0 | 4,853,688 | +4,853,688 |
| CELESTICA INC | 172,275 | 197,863 | +25,588 | 50,926,213 | 55,734,050 | +4,807,837 |
| CANDEL THERAPEUTICS INC | 1,695,367 | 2,894,325 | +1,198,958 | 9,578,824 | 14,182,193 | +4,603,369 |
| ONTO INNOVATION INC | 0 | 22,263 | +22,263 | 0 | 4,565,473 | +4,565,473 |
| PROPETRO HLDG CORP | 0 | 314,815 | +314,815 | 0 | 4,536,484 | +4,536,484 |
| JABIL INC | 70,665 | 77,197 | +6,532 | 16,113,033 | 20,505,839 | +4,392,806 |
| TALOS ENERGY INC | 119,100 | 344,549 | +225,449 | 1,312,482 | 5,430,092 | +4,117,610 |
| FORGENT POWER SOLUTIONS INC | 0 | 117,933 | +117,933 | 0 | 3,451,899 | +3,451,899 |
| DRAGANFLY INC. | 0 | 682,730 | +682,730 | 0 | 3,352,204 | +3,352,204 |
| FORRESTER RESH INC | 705,749 | 1,541,276 | +835,527 | 5,730,682 | 8,723,622 | +2,992,940 |
| UPWORK INC | 719,644 | 1,570,560 | +850,916 | 14,263,344 | 17,213,338 | +2,949,994 |
| ALLIENT INC | 301,888 | 323,453 | +21,565 | 16,226,480 | 19,112,838 | +2,886,358 |
| AKAMAI TECHNOLOGIES INC | 524,321 | 423,442 | -100,879 | 45,747,007 | 48,632,314 | +2,885,307 |
| XPENG INC | 96,927 | 275,432 | +178,505 | 1,965,680 | 4,712,642 | +2,746,962 |
| REMITLY GLOBAL INC | 628,019 | 698,166 | +70,147 | 8,666,662 | 10,940,261 | +2,273,599 |
| ULTRA CLEAN HLDGS INC | 0 | 33,700 | +33,700 | 0 | 2,095,466 | +2,095,466 |
| LUMENTUM HLDGS INC | 5,822 | 5,822 | 0 | 2,145,931 | 4,091,469 | +1,945,538 |
| AMBARELLA INC | 54,242 | 108,749 | +54,507 | 3,842,503 | 5,597,855 | +1,755,352 |
| KOSMOS ENERGY LTD | 0 | 602,542 | +602,542 | 0 | 1,675,067 | +1,675,067 |
| PERSONALIS INC | 379,197 | 736,713 | +357,516 | 3,018,408 | 4,692,862 | +1,674,454 |
| OPEN LENDING CORP | 4,736,630 | 6,902,888 | +2,166,258 | 7,341,777 | 8,628,610 | +1,286,833 |
| MAMAS CREATIONS INC | 1,245,767 | 1,176,936 | -68,831 | 16,805,397 | 18,054,198 | +1,248,801 |
| WILLDAN GROUP INC | 57,613 | 93,964 | +36,351 | 5,972,164 | 7,193,884 | +1,221,720 |
| MOBILEYE GLOBAL INC | 341,936 | 678,135 | +336,199 | 3,569,812 | 4,658,787 | +1,088,975 |
| IES HOLDINGS INC | 11,792 | 11,869 | +77 | 4,587,324 | 5,655,222 | +1,067,898 |
| FLEXTRONICS INTL LTD | 466,913 | 443,128 | -23,785 | 28,210,883 | 29,007,159 | +796,276 |
| SOLARIS ENERGY INFRAS INC | 19,474 | 27,930 | +8,456 | 895,220 | 1,578,324 | +683,104 |
| FREQUENCY ELECTRS INC | 113,076 | 150,141 | +37,065 | 6,088,012 | 6,645,241 | +557,229 |
| EVERUS CONSTR GROUP | 8,725 | 8,725 | 0 | 746,511 | 1,030,074 | +283,563 |
| LINCOLN EDL SVCS CORP | 14,007 | 14,007 | 0 | 338,269 | 569,805 | +231,536 |
| ERMENEGILDO ZEGNA N V | 710,534 | 710,626 | +92 | 7,282,974 | 7,404,723 | +121,749 |
| L3HARRIS TECHNOLOGIES INC | 2,157 | 2,157 | 0 | 633,230 | 744,489 | +111,259 |
| VNET GROUP INC | 806,800 | 825,490 | +18,690 | 6,825,528 | 6,925,861 | +100,333 |
| SANDRIDGE ENERGY INC | 134,000 | 123,591 | -10,409 | 1,933,620 | 2,015,769 | +82,149 |
| GDS HLDGS LTD | 15,359 | 15,281 | -78 | 536,029 | 615,671 | +79,642 |
| AMPLIFY ENERGY CORP NEW | 89,063 | 74,120 | -14,943 | 407,018 | 462,509 | +55,491 |
| LANTHEUS HLDGS INC | 475,789 | 417,390 | -58,399 | 31,663,758 | 31,659,032 | -4,726 |
| PLANET LABS PBC | 68,715 | 47,288 | -21,427 | 1,355,060 | 1,321,700 | -33,360 |
| NEXTPOWER INC | 79,789 | 56,747 | -23,042 | 6,950,420 | 6,840,851 | -109,569 |
| SPROUT SOCIAL INC | 301,473 | 558,350 | +256,877 | 3,397,601 | 3,182,595 | -215,006 |
| HARVARD BIOSCIENCE INC | 409,650 | 0 | -409,650 | 273,974 | 0 | -273,974 |
| CASELLA WASTE SYS INC | 15,225 | 15,100 | -125 | 1,491,137 | 1,198,034 | -293,103 |
| WEAVE COMMUNICATIONS INC | 47,600 | 0 | -47,600 | 361,284 | 0 | -361,284 |
| CLAROS MTG TR INC | 119,700 | 0 | -119,700 | 366,282 | 0 | -366,282 |
| NEWELL BRANDS INC | 126,100 | 0 | -126,100 | 469,092 | 0 | -469,092 |
| ALPHABET INC | 6,992 | 5,710 | -1,282 | 2,194,090 | 1,637,971 | -556,119 |
| OSHKOSH CORP | 25,940 | 18,185 | -7,755 | 3,258,842 | 2,677,014 | -581,828 |
| SHOALS TECHNOLOGIES GROUP IN | 72,781 | 0 | -72,781 | 618,639 | 0 | -618,639 |
| GENEDX HOLDINGS CORP | 55,776 | 102,575 | +46,799 | 7,254,227 | 6,587,367 | -666,860 |
| REDDIT INC | 3,558 | 0 | -3,558 | 817,877 | 0 | -817,877 |
| TAPESTRY INC | 25,868 | 17,038 | -8,830 | 3,305,154 | 2,404,232 | -900,922 |
| META PLATFORMS INC | 10,318 | 10,261 | -57 | 6,810,809 | 5,870,626 | -940,183 |