$1.07 Billion is the total value of Portolan Capital Management's 123 reported holdings in Q3 2023. The portfolio turnover from Q2 2023 to Q3 2023 was 45.8% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| SMCI | Sell | SUPER MICRO COMPUTER, INC. | $80,642,069 | -9.0% | 294,078 | -17.3% | 7.54% | -3.9% |
| QTRX | Buy | QUANTERIX CORPORATION | $45,482,243 | +42.4% | 1,675,838 | +18.3% | 4.25% | +50.3% |
| ELF | Sell | E.L.F. BEAUTY, INC. | $34,871,794 | -13.8% | 317,507 | -10.3% | 3.26% | -9.0% |
| CLS | Buy | CELESTICA, INC. | $34,582,420 | +466.3% | 1,410,376 | +234.9% | 3.23% | +497.4% |
| LNTH | Buy | LANTHEUS HOLDINGS, INC. | $32,979,307 | +13.4% | 474,659 | +36.9% | 3.08% | +19.6% |
| PAYO | Buy | PAYONEER GLOBAL, INC. | $23,938,576 | +131.7% | 3,911,532 | +82.1% | 2.24% | +144.5% |
| MOD | Buy | MODINE MANUFACTURING COMPANY | $23,456,300 | +61.8% | 512,706 | +16.8% | 2.19% | +70.8% |
| TGLS | Sell | TECNOGLASS, INC. | $20,172,805 | -39.2% | 612,039 | -4.7% | 1.88% | -35.8% |
| CROX | Buy | CROCS, INC. | $19,098,266 | -0.8% | 216,460 | +26.4% | 1.78% | +4.8% |
| Sell | COUCHBASE, INC. | $18,674,216 | -16.3% | 1,088,241 | -22.8% | 1.74% | -11.6% | |
| DELL | Sell | DELL TECHNOLOGIES, INC. | $18,590,254 | -6.5% | 269,815 | -26.6% | 1.74% | -1.3% |
| UTHR | Buy | UNITED THERAPEUTICS CORPORATION | $18,306,312 | +147.8% | 81,048 | +142.2% | 1.71% | +161.6% |
| BELFB | Buy | BEL FUSE, INC. | $18,094,374 | -11.2% | 379,178 | +6.8% | 1.69% | -6.3% |
| FB | Sell | META PLATFORMS, INC. | $17,103,864 | -0.4% | 56,973 | -4.7% | 1.60% | +5.1% |
| ORCL | Buy | ORACLE CORPORATION | $16,928,452 | -0.7% | 159,823 | +11.6% | 1.58% | +4.8% |
| KRUS | Sell | KURA SUSHI USA, INC. | $16,902,586 | -60.0% | 255,635 | -43.7% | 1.58% | -57.7% |
| KOS | New | KOSMOS ENERGY LTD. | $16,788,019 | – | 2,052,325 | +100.0% | 1.57% | – |
| GENI | Buy | GENIUS SPORTS LTD. | $16,587,909 | +4.9% | 3,112,178 | +21.8% | 1.55% | +10.6% |
| SMWB | Sell | SIMILARWEB LTD. | $16,515,135 | -6.2% | 2,548,632 | -5.1% | 1.54% | -1.0% |
| MATW | Buy | MATTHEWS INTERNATIONAL CORPORATION | $15,791,507 | -0.7% | 405,847 | +8.8% | 1.48% | +4.8% |
| BIO | Sell | BIO-RAD LABORATORIES, INC. | $15,229,107 | -38.2% | 42,486 | -34.7% | 1.42% | -34.8% |
| CCOI | New | COGENT COMMUNICATIONS HOLDINGS, INC. | $14,949,840 | – | 241,516 | +100.0% | 1.40% | – |
| CELH | Sell | CELSIUS HOLDINGS, INC. | $14,723,795 | -36.7% | 85,803 | -45.0% | 1.38% | -33.2% |
| SGH | Sell | SMART GLOBAL HOLDINGS, INC. | $14,612,094 | -55.0% | 600,086 | -46.4% | 1.37% | -52.5% |
| HDSN | Buy | HUDSON TECHNOLOGIES, INC. | $13,751,735 | +430.0% | 1,033,965 | +283.4% | 1.28% | +458.7% |
| AAOI | Sell | APPLIED OPTOELECTRONICS, INC. | $11,492,161 | +58.7% | 1,047,599 | -13.8% | 1.07% | +67.6% |
| NOG | Buy | NORTHERN OIL AND GAS, INC. | $11,428,619 | +173.8% | 284,082 | +133.6% | 1.07% | +188.6% |
| Sell | CRANE NXT, CO. | $11,399,963 | -3.2% | 205,146 | -1.6% | 1.06% | +2.2% | |
| WEX | New | WEX, INC. | $11,127,028 | – | 59,158 | +100.0% | 1.04% | – |
| Buy | NEXTRACKER, INC. | $10,965,005 | +54.8% | 273,033 | +53.5% | 1.02% | +63.5% | |
| Sell | DOCGO, INC. | $10,672,920 | -58.6% | 2,002,424 | -27.2% | 1.00% | -56.3% | |
| BIDU | Buy | BAIDU, INC. | $10,342,129 | +317.0% | 76,979 | +324.9% | 0.97% | +339.5% |
| ENVA | Sell | ENOVA INTERNATIONAL, INC. | $10,112,956 | -4.7% | 198,800 | -0.4% | 0.94% | +0.6% |
| FLEX | Sell | FLEX LTD. | $9,862,377 | -18.3% | 365,544 | -16.3% | 0.92% | -13.8% |
| WKME | Buy | WALKME LTD. | $9,494,030 | +377.8% | 1,001,480 | +383.9% | 0.89% | +404.0% |
| VRT | Buy | VERTIV HOLDINGS, LLC | $9,373,507 | +104.5% | 251,976 | +36.1% | 0.88% | +115.8% |
| HNST | Buy | HONEST COMPANY, INC. | $8,940,083 | -8.7% | 7,095,304 | +21.8% | 0.84% | -3.7% |
| New | BORR DRILLING LIMITED | $8,711,246 | – | 1,226,936 | +100.0% | 0.81% | – | |
| AMKR | Buy | AMKOR TECHNOLOGIES, INC. | $8,430,568 | -9.0% | 373,034 | +19.8% | 0.79% | -3.9% |
| INVE | Sell | IDENTIV, INC. | $8,115,820 | +0.2% | 961,590 | -0.2% | 0.76% | +5.7% |
| KTOS | Buy | KRATOS DEFENSE & SECURITY SOLUTIONS, INC. | $8,085,026 | +34.4% | 538,284 | +28.3% | 0.76% | +41.8% |
| ZETA | New | ZETA GLOBAL HOLDINGS CORP. | $8,074,592 | – | 967,017 | +100.0% | 0.76% | – |
| Buy | NERDY, INC. | $8,041,025 | +10.8% | 2,173,250 | +24.8% | 0.75% | +16.8% | |
| PBF | Buy | PBF ENERGY, INC. | $7,937,000 | +930.9% | 148,272 | +688.4% | 0.74% | +991.2% |
| STKL | Sell | SUNOPTA, INC. | $7,826,218 | -51.8% | 2,322,320 | -4.4% | 0.73% | -49.2% |
| IIIV | Sell | I3 VERTICALS, INC. | $7,766,477 | -41.7% | 367,383 | -37.0% | 0.73% | -38.5% |
| HPE | Sell | HEWLETT PACKARD ENTERPRISE CO. | $7,325,502 | -22.2% | 421,733 | -24.7% | 0.68% | -17.8% |
| ARCT | New | ARCTURUS THERAPEUTICS HOLDINGS, INC. | $7,064,703 | – | 276,505 | +100.0% | 0.66% | – |
| Buy | MAXCYTE, INC. | $6,688,238 | -11.7% | 2,143,666 | +29.9% | 0.62% | -6.9% | |
| TALO | Buy | TALOS ENERGY, INC. | $6,680,410 | +149.9% | 406,351 | +110.8% | 0.62% | +163.3% |
| EB | Sell | EVENTBRITE, INC. | $6,643,333 | -49.3% | 673,766 | -50.9% | 0.62% | -46.5% |
| TTWO | Sell | TAKE TWO INTERACTIVE SOFTWARE, INC. | $6,433,091 | -4.8% | 45,823 | -0.3% | 0.60% | +0.3% |
| ONTO | New | ONTO INNOVATION, INC. | $6,422,800 | – | 50,367 | +100.0% | 0.60% | – |
| Sell | APPLIED DIGITAL CORPORATION | $6,391,189 | -78.7% | 1,024,229 | -68.1% | 0.60% | -77.5% | |
| NMRK | Buy | NEWMARK GROUP, INC. | $6,251,786 | +9.7% | 972,284 | +6.1% | 0.58% | +15.6% |
| NVGS | New | NAVIGATOR HOLDINGS LTD. | $6,217,550 | – | 420,958 | +100.0% | 0.58% | – |
| RDNT | Sell | RADNET, INC. | $6,109,985 | -38.3% | 216,743 | -28.6% | 0.57% | -34.9% |
| AMPH | Sell | AMPHASTAR PHARMACEUTICALS, INC. | $6,109,772 | -41.7% | 132,850 | -27.1% | 0.57% | -38.4% |
| CTOS | Buy | CUSTOM TRUCK ONE SOURCE, INC. | $6,057,710 | +4.3% | 977,050 | +13.4% | 0.57% | +10.1% |
| RPAY | Sell | REPAY HOLDINGS CORPORATION | $5,854,046 | -32.9% | 771,284 | -30.8% | 0.55% | -29.2% |
| GFL | Sell | GFL ENVIRONMENTAL, INC. | $5,670,812 | -18.4% | 178,552 | -0.3% | 0.53% | -13.8% |
| HROW | Sell | HARROW, INC. | $5,546,303 | -73.5% | 385,964 | -64.9% | 0.52% | -72.0% |
| FOUR | New | SHIFT4 PAYMENTS, INC. | $5,522,991 | – | 99,747 | +100.0% | 0.52% | – |
| CPG | New | CRESCENT POINT ENERGY CORP. | $5,357,127 | – | 645,437 | +100.0% | 0.50% | – |
| MTRX | New | MATRIX SERVICE COMPANY | $5,242,598 | – | 444,288 | +100.0% | 0.49% | – |
| IAS | Buy | INTEGRAL AD SCIENCE HOLDING CORP. | $5,158,536 | +106.7% | 433,855 | +212.6% | 0.48% | +118.1% |
| CB | New | CHUBB LIMITED | $5,088,127 | – | 24,441 | +100.0% | 0.48% | – |
| INDI | Buy | INDIE SEMICONDUCTOR, INC. | $4,989,833 | -2.0% | 792,037 | +46.1% | 0.47% | +3.3% |
| CRMT | New | AMERICAS CAR MART, INC. | $4,946,034 | – | 54,358 | +100.0% | 0.46% | – |
| DAR | Sell | DARLING INGREDIENTS, INC. | $4,877,725 | -33.6% | 93,443 | -18.9% | 0.46% | -30.0% |
| HON | New | HONEYWELL INTERNATIONAL, INC. | $4,849,979 | – | 26,253 | +100.0% | 0.45% | – |
| HQY | New | HEALTHEQUITY, INC. | $4,774,767 | – | 65,363 | +100.0% | 0.45% | – |
| DHT | New | DHT HOLDINGS, INC. | $4,665,735 | – | 452,984 | +100.0% | 0.44% | – |
| Buy | TH INTERNATIONAL LIMITED | $4,520,674 | -31.4% | 2,497,610 | +8.8% | 0.42% | -27.6% | |
| ACTG | Buy | ACACIA RESEARCH CORPORATION | $4,382,927 | -6.1% | 1,200,802 | +7.0% | 0.41% | -0.7% |
| NVT | New | NVENT ELECTRIC PUBLIC LIMITED COMPANY | $4,302,788 | – | 81,200 | +100.0% | 0.40% | – |
| CSTL | Sell | CASTLE BIOSCIENCES, INC. | $4,273,643 | -27.8% | 253,028 | -41.4% | 0.40% | -23.9% |
| EDR | New | ENDEAVOR GROUP HOLDINGS, INC. | $4,232,631 | – | 212,695 | +100.0% | 0.40% | – |
| SKX | Buy | SKECHERS USA, INC. | $4,200,155 | +41.1% | 85,805 | +51.8% | 0.39% | +48.9% |
| PLCE | New | CHILDREN'S PLACE, INC. | $4,167,350 | – | 154,175 | +100.0% | 0.39% | – |
| Sell | SWEETGREEN, INC. | $4,049,438 | -22.0% | 344,633 | -14.8% | 0.38% | -17.6% | |
| Buy | WARBY PARKER, INC. | $3,983,374 | +58.1% | 302,688 | +40.4% | 0.37% | +66.8% | |
| VICR | Sell | VICOR CORPORATION | $3,909,884 | -72.4% | 66,393 | -74.7% | 0.36% | -70.9% |
| SKY | Buy | SKYLINE CHAMPION CORPORATION | $3,884,435 | +20.7% | 60,961 | +23.9% | 0.36% | +27.4% |
| BOX | New | BOX, INC. | $3,869,678 | – | 159,838 | +100.0% | 0.36% | – |
| GPRE | Buy | GREEN PLAINS, INC. | $3,865,803 | +25.2% | 128,432 | +34.1% | 0.36% | +32.2% |
| CWST | Sell | CASELLA WASTE SYSTEMS, INC. | $3,827,590 | -38.2% | 50,165 | -26.7% | 0.36% | -34.7% |
| EURN | New | EURONAV NV | $3,770,767 | – | 229,505 | +100.0% | 0.35% | – |
| VST | New | VISTRA CORP. | $3,718,284 | – | 112,064 | +100.0% | 0.35% | – |
| WW | Sell | WW INTERNATIONAL, INC. | $3,668,554 | +52.4% | 331,396 | -7.5% | 0.34% | +61.0% |
| EXTR | New | EXTREME NETWORKS, INC. | $3,588,624 | – | 148,229 | +100.0% | 0.34% | – |
| OSG | Buy | OVERSEAS SHIPHOLDING GROUP, INC. | $3,512,171 | +8.7% | 800,039 | +3.3% | 0.33% | +14.7% |
| FORR | New | FORRESTER RESEARCH, INC. | $3,437,886 | – | 118,958 | +100.0% | 0.32% | – |
| TECK | Sell | TECK RESOURCES LIMITED | $3,347,317 | -4.1% | 77,682 | -6.3% | 0.31% | +1.3% |
| TLS | Buy | TELOS CORPORATION | $3,288,647 | +36.7% | 1,376,003 | +46.4% | 0.31% | +44.1% |
| TASK | Sell | TASKUS, INC. | $3,208,219 | -55.3% | 309,077 | -51.3% | 0.30% | -52.8% |
| LPI | Sell | VITAL ENERGY, INC. | $3,096,482 | -23.1% | 55,873 | -37.3% | 0.29% | -18.8% |
| IMMR | Sell | IMMERSION CORPORATION | $2,967,051 | -6.9% | 448,873 | -0.3% | 0.28% | -1.8% |
| CARR | New | CARRIER GLOBAL CORPORATION | $2,743,937 | – | 49,709 | +100.0% | 0.26% | – |
| CECE | New | CECO ENVIRONMENTAL CORP. | $2,618,329 | – | 163,953 | +100.0% | 0.24% | – |
| ICAD | Buy | ICAD, INC. | $2,626,218 | +85.4% | 1,244,653 | +43.3% | 0.24% | +96.0% |
| QNST | New | QUINSTREET, INC. | $2,531,074 | – | 282,171 | +100.0% | 0.24% | – |
| Sell | DOUGLAS ELLIMAN, INC. | $2,514,171 | -1.3% | 1,112,465 | -3.0% | 0.24% | +4.4% | |
| ALTG | Sell | ALTA EQUIPMENT GROUP, INC. | $2,285,105 | -37.8% | 189,478 | -10.7% | 0.21% | -34.2% |
| MIDD | New | MIDDLEBY CORPORATION | $2,287,616 | – | 17,872 | +100.0% | 0.21% | – |
| RELL | Buy | RICHARDSON ELECTRONICS LTD. | $2,275,910 | -20.0% | 208,226 | +20.7% | 0.21% | -15.5% |
| RPRX | Sell | ROYALTY PHARMA PLC | $2,126,473 | -50.1% | 78,352 | -43.4% | 0.20% | -47.2% |
| DIBS | Sell | 1STDIBS COM, INC. | $2,023,520 | -3.0% | 555,912 | -0.3% | 0.19% | +2.2% |
| HBIO | Sell | HARVARD BIOSCIENCE, INC. | $1,938,857 | -54.9% | 450,897 | -42.5% | 0.18% | -52.5% |
| DOMO | Sell | DOMO, INC. | $1,740,235 | -34.7% | 177,394 | -2.5% | 0.16% | -30.9% |
| NTNX | Sell | NUTANIX, INC. | $1,711,562 | -66.8% | 49,070 | -73.3% | 0.16% | -64.9% |
| MSFT | Buy | MICROSOFT CORPORATION | $1,712,944 | -7.1% | 5,425 | +0.1% | 0.16% | -1.8% |
| PRTS | Sell | CARPARTS.COM, INC. | $1,534,412 | -54.2% | 372,430 | -52.8% | 0.14% | -51.9% |
| RH | Sell | RH | $1,519,541 | -42.2% | 5,748 | -27.9% | 0.14% | -39.1% |
| TWLO | Sell | TWILIO, INC. | $1,261,087 | -74.3% | 21,546 | -72.1% | 0.12% | -72.9% |
| AXTI | Sell | AXT, INC. | $1,222,464 | -30.4% | 509,360 | -0.3% | 0.11% | -26.9% |
| CLH | Sell | CLEAN HARBORS, INC. | $1,045,498 | -71.0% | 6,247 | -71.5% | 0.10% | -69.4% |
| HIMS | New | HIMS & HERS HEALTH, INC. | $943,500 | – | 150,000 | +100.0% | 0.09% | – |
| VEC | Sell | V2X, INC. | $711,875 | -87.5% | 13,780 | -88.0% | 0.07% | -86.7% |
| GOOG | Buy | ALPHABET, INC. | $528,455 | +9.0% | 4,008 | +0.0% | 0.05% | +14.0% |
| DXLG | Sell | DESTINATION XL GROUP, INC. | $445,926 | -28.7% | 99,537 | -22.0% | 0.04% | -23.6% |
| BXC | Sell | BLUELINX HOLDINGS, INC. | $396,823 | -91.2% | 4,834 | -90.0% | 0.04% | -90.7% |
| EMKR | Sell | EMCORE CORPORATION | $315,494 | -68.6% | 663,500 | -50.3% | 0.03% | -67.4% |
| DSKE | Exit | DASEKE, INC. | $0 | – | -10,710 | -100.0% | -0.01% | – |
| TRUE | Exit | TRUECAR, INC. | $0 | – | -175,285 | -100.0% | -0.04% | – |
| PRCH | Exit | PORCH GROUP, INC. | $0 | – | -902,597 | -100.0% | -0.11% | – |
| SSTI | Exit | SOUNDTHINKING, INC. | $0 | – | -60,000 | -100.0% | -0.12% | – |
| FLL | Exit | FULL HOUSE RESORTS, INC. | $0 | – | -238,026 | -100.0% | -0.14% | – |
| LQDA | Exit | LIQUIDIA CORPORATION | $0 | – | -235,096 | -100.0% | -0.16% | – |
| JBLU | Exit | JETBLUE AIRWAYS CORPORATION | $0 | – | -289,106 | -100.0% | -0.23% | – |
| ANIK | Exit | ANIKA THERAPEUTICS, INC. | $0 | – | -108,632 | -100.0% | -0.25% | – |
| NYCB | Exit | NEW YORK COMMUNITY BANCORP, INC. | $0 | – | -270,607 | -100.0% | -0.27% | – |
| ASO | Exit | ACADEMY SPORTS & OUTDOORS, INC. | $0 | – | -59,564 | -100.0% | -0.28% | – |
| LXU | Exit | LSB INDUSTRIES, INC. | $0 | – | -331,871 | -100.0% | -0.29% | – |
| MQ | Exit | MARQETA, INC. | $0 | – | -845,039 | -100.0% | -0.36% | – |
| OSTK | Exit | OVERSTOCK.COM, INC. | $0 | – | -139,452 | -100.0% | -0.40% | – |
| AVDL | Exit | AVADEL PHARMACEUTICALS PUBLIC LIMITED COMPANY | $0 | – | -289,906 | -100.0% | -0.42% | – |
| TITN | Exit | TITAN MACHINERY, INC. | $0 | – | -163,330 | -100.0% | -0.43% | – |
| Exit | JAKKS PACIFIC, INC. | $0 | – | -241,419 | -100.0% | -0.43% | – | |
| CACI | Exit | CACI INTERNATIONAL, INC. | $0 | – | -14,913 | -100.0% | -0.45% | – |
| SSTK | Exit | SHUTTERSTOCK, INC. | $0 | – | -110,365 | -100.0% | -0.48% | – |
| MTRN | Exit | MATERION CORPORATION | $0 | – | -48,707 | -100.0% | -0.49% | – |
| Exit | IRIS ENERGY PTY LTD. | $0 | – | -1,309,521 | -100.0% | -0.54% | – | |
| TAST | Exit | CARROLS RESTAURANT GROUP, INC. | $0 | – | -1,290,843 | -100.0% | -0.58% | – |
| COMP | Exit | COMPASS, INC. | $0 | – | -2,106,150 | -100.0% | -0.65% | – |
| FTCH | Exit | FARFETCH LIMITED | $0 | – | -1,257,963 | -100.0% | -0.67% | – |
| PCRX | Exit | PACIRA BIOSCIENCES, INC. | $0 | – | -200,504 | -100.0% | -0.71% | – |
| CUBI | Exit | CUSTOMERS BANCORP, INC. | $0 | – | -327,934 | -100.0% | -0.88% | – |
| AVID | Exit | AVID TECHNOLOGY, INC. | $0 | – | -781,168 | -100.0% | -1.76% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2023-11-14
About Portolan Capital Management
Portolan Capital Management is a New York-based investment management firm that specializes in long/short equity strategies. The firm was founded in 2002 by George McCabe, who serves as the Chief Investment Officer. McCabe has over 30 years of experience in the investment industry, having previously worked at firms such as Goldman Sachs and J.P. Morgan.
Portolan's investment philosophy is based on fundamental research and a disciplined approach to risk management. The firm's investment team conducts extensive research on companies and industries to identify undervalued securities with strong growth potential. They also use a variety of quantitative tools to manage risk and optimize portfolio construction.
In addition to McCabe, Portolan's leadership team includes Chief Operating Officer Michael McCabe and Chief Financial Officer John McCabe. The firm has a team of experienced investment professionals who work together to manage the firm's portfolios.
Portolan's investment strategies have delivered strong performance over the years, with a focus on generating alpha through stock selection and risk management. The firm's long/short equity strategy has consistently outperformed its benchmark, with a track record of strong risk-adjusted returns.
Overall, Portolan Capital Management is a well-respected investment management firm with a strong track record of delivering value to its clients. With a focus on fundamental research and disciplined risk management, the firm is well-positioned to continue delivering strong performance in the years ahead.
It's important to note that this information is for educational purposes only and has not been fact-checked. As with any investment, it's important to do your own research and consult with a financial advisor before making any investment decisions.
Top long-term holdings
| Name | Quarters owned | Latest quarter owned | Max weighting |
|---|---|---|---|
| CASELLA WASTE SYSTEMS, INC. CLASS A | 42 | Q3 2023 | 5.3% |
| META PLATFORMS, INC. | 41 | Q3 2023 | 2.0% |
| ABIOMED INC CMN | 38 | Q3 2022 | 2.9% |
| ANIKA THERAPEUTICS INC CMN | 36 | Q2 2023 | 2.8% |
| BIO-RAD LABORATORIES, INC. | 34 | Q3 2023 | 3.5% |
| EURONET WORLDWIDE INC CMN | 32 | Q4 2022 | 3.9% |
| ALPHABET, INC. | 32 | Q3 2023 | 3.3% |
| SKECHERS USA, INC. | 31 | Q3 2023 | 2.9% |
| QUALYS INC CMN | 30 | Q4 2022 | 2.6% |
| ELECTRONIC ARTS, INC. | 29 | Q4 2022 | 2.2% |
View Portolan Capital Management's complete holdings history.
Latest significant ownerships (13-D/G)
| Filed | Shares | Percentage | |
|---|---|---|---|
| ALTA EQUIPMENT GROUP INC. | February 13, 2023 | 572,246 | 1.8% |
| Charah Solutions, Inc. | February 13, 2023 | 166,819 | 5.0% |
| FULL HOUSE RESORTS INC | February 13, 2023 | 407,452 | 1.2% |
| HARVARD BIOSCIENCE INC | February 13, 2023 | 1,054,300 | 2.5% |
| LANTRONIX INC | February 13, 2023 | 691,118 | 1.9% |
| RICHARDSON ELECTRONICS, LTD. | February 13, 2023 | 484,632 | 4.0% |
| Charah Solutions, Inc. | November 22, 2022 | 1,782,052 | 5.3% |
| APPLIED GENETIC TECHNOLOGIES CORP | February 15, 2022 | 2,218,188 | 5.2% |
| AEMETIS, INC | February 11, 2022 | 106,090 | 0.3% |
| BlueLinx Holdings Inc. | February 11, 2022 | 451,793 | 4.6% |
View Portolan Capital Management's complete significant-ownership history.
Latest filings
| Type | Filed |
|---|---|
| SC 13G | 2024-03-14 |
| 13F-HR | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G | 2023-12-18 |
| 13F-HR | 2023-11-14 |
View Portolan Capital Management's complete filings history.
All filings
- Holdings (13F-HR)
- Significant ownership (13-D/G)
- Insider transactions (4, 5, 6)
- Events (8-K)
- Shareholder votes (proxy)
View complete filings history.