Portolan Capital Management - Q1 2023 holdings

$1.05 Billion is the total value of Portolan Capital Management's 139 reported holdings in Q1 2023. The portfolio turnover from Q4 2022 to Q1 2023 was 65.6% .

 Value Shares↓ Weighting
SMCI BuySUPER MICRO COMPUTER, INC.$51,595,879
+252.3%
484,241
+171.5%
4.91%
+238.2%
ELF SellE.L.F. BEAUTY, INC.$49,207,337
+40.8%
597,539
-5.5%
4.69%
+35.2%
KRUS BuyKURA SUSHI USA, INC.$30,003,881
+88.8%
455,709
+36.7%
2.86%
+81.2%
TGLS SellTECNOGLASS, INC.$28,580,886
+14.4%
681,146
-16.1%
2.72%
+9.8%
BIO SellBIO-RAD LABORATORIES, INC.$26,039,527
-0.2%
54,360
-12.4%
2.48%
-4.2%
PBF BuyPBF ENERGY, INC.$23,129,915
+201.9%
533,439
+183.9%
2.20%
+189.9%
HROW BuyHARROW HEALTH, INC.$22,704,024
+58.2%
1,072,969
+10.3%
2.16%
+51.9%
BELFB BuyBEL FUSE, INC.$19,028,746
+18.8%
506,353
+4.1%
1.81%
+14.0%
LNTH NewLANTHEUS HOLDINGS, INC.$18,846,549228,277
+100.0%
1.80%
AVID SellAVID TECHNOLOGY, INC.$17,888,077
-13.4%
559,352
-28.0%
1.70%
-16.8%
BuyDOCGO, INC.$17,640,369
+41.3%
2,039,349
+15.5%
1.68%
+35.6%
FB SellMETA PLATFORMS, INC.$17,430,581
+9.0%
82,243
-38.1%
1.66%
+4.6%
UTHR SellUNITED THERAPEUTICS CORPORATION$17,412,442
-20.6%
77,748
-1.4%
1.66%
-23.7%
NewPERION NETWORK LTD.$17,147,243433,230
+100.0%
1.63%
GENI BuyGENIUS SPORTS LTD.$16,982,004
+202.9%
3,410,041
+117.1%
1.62%
+191.0%
BuyCOUCHBASE, INC.$15,941,875
+27.9%
1,133,846
+20.6%
1.52%
+22.7%
FLEX BuyFLEX LTD.$15,858,561
+23.8%
689,203
+15.5%
1.51%
+18.9%
CROX SellCROCS, INC.$15,580,948
-61.9%
123,228
-67.3%
1.48%
-63.4%
SMWB BuySIMILARWEB LTD$15,541,740
+172.1%
2,299,074
+158.9%
1.48%
+161.0%
IIIV SellI3 VERTICALS, INC.$14,966,587
-24.4%
610,134
-25.0%
1.43%
-27.4%
EB NewEVENTBRITE, INC.$13,068,4301,523,127
+100.0%
1.24%
RPAY SellREPAY HOLDINGS CORPORATION$12,988,246
-34.5%
1,976,902
-19.8%
1.24%
-37.1%
AMPH BuyAMPHASTAR PHARMACEUTICALS, INC.$12,772,238
+68.3%
340,593
+25.8%
1.22%
+61.6%
MATW NewMATTHEWS INTERNATIONAL CORPORATION$12,209,303338,583
+100.0%
1.16%
TWLO SellTWILIO, INC.$11,167,654
-33.1%
167,607
-50.9%
1.06%
-35.8%
FSLY NewFASTLY, INC.$11,015,125620,221
+100.0%
1.05%
ENVA BuyENOVA INTERNATIONAL, INC.$10,804,088
+51.2%
243,171
+30.6%
1.03%
+45.1%
STKL SellSUNOPTA, INC.$10,524,291
-30.0%
1,366,791
-23.3%
1.00%
-32.8%
PAYO BuyPAYONEER GLOBAL, INC.$10,498,596
+142.4%
1,671,751
+111.1%
1.00%
+132.6%
NewNEXTRACKER, INC.$10,306,107284,228
+100.0%
0.98%
CLH NewCLEAN HARBORS, INC.$10,161,24971,277
+100.0%
0.97%
NVGS BuyNAVIGATOR HOLDINGS LTD.$9,570,386
+39.7%
683,599
+19.4%
0.91%
+34.1%
IMXI SellINTERNATIONAL MONEY EXPRESS, INC.$9,223,775
-58.7%
357,788
-60.9%
0.88%
-60.3%
RELL SellRICHARDSON ELECTRONICS LTD$9,069,308
-12.3%
406,331
-16.2%
0.86%
-15.8%
MOD BuyMODINE MANUFACTURING COMPANY$8,893,405
+47.0%
385,831
+26.7%
0.85%
+41.2%
PRTS SellCARPARTS.COM, INC.$8,884,922
-41.1%
1,663,843
-31.0%
0.85%
-43.5%
QTRX SellQUANTERIX CORPORATION$8,674,959
-27.4%
769,739
-10.7%
0.83%
-30.3%
IMMR SellIMMERSION CORPORATION$8,565,655
+13.7%
958,127
-10.6%
0.82%
+9.2%
NTRA NewNATERA, INC.$8,385,297151,032
+100.0%
0.80%
HNST BuyHONEST COMPANY, INC.$8,380,256
-10.5%
4,655,698
+49.7%
0.80%
-14.1%
ORCL SellORACLE CORPORATION$8,244,977
-9.3%
88,732
-20.2%
0.78%
-13.0%
INVE SellIDENTIV, INC.$8,089,702
-47.4%
1,317,541
-38.0%
0.77%
-49.5%
EXTR SellEXTREME NETWORKS, INC.$7,951,721
-17.0%
415,885
-20.5%
0.76%
-20.3%
NOG SellNORTHERN OIL AND GAS, INC.$7,850,574
-33.8%
258,668
-32.7%
0.75%
-36.4%
WKME SellWALKME LTD.$7,835,541
-11.8%
736,423
-7.3%
0.75%
-15.3%
VEC BuyV2X, INC.$7,680,617
+58.8%
193,369
+65.1%
0.73%
+52.5%
RPRX NewROYALTY PHARMA PLC$7,654,682212,453
+100.0%
0.73%
ADBE SellADOBE, INC.$7,626,087
-8.3%
19,789
-19.9%
0.73%
-12.0%
SKX SellSKECHERS USA, INC.$7,329,247
-50.9%
154,235
-56.7%
0.70%
-52.9%
PARR BuyPAR PACIFIC HOLDINGS, INC.$7,313,198
+221.8%
250,452
+156.3%
0.70%
+209.8%
HQY NewHEALTHEQUITY, INC.$7,283,034124,051
+100.0%
0.69%
GFL NewGFL ENVIRONMENTAL, INC.$7,114,064206,564
+100.0%
0.68%
CTOS SellCUSTOM TRUCK ONE SOURCE, INC.$6,859,156
+4.2%
1,010,185
-3.0%
0.65%0.0%
TTWO SellTAKE TWO INTERACTIVE SOFTWARE, INC.$6,669,705
-28.4%
55,907
-37.5%
0.64%
-31.4%
OLN SellOLIN CORPORATION$6,591,791
+0.4%
118,771
-4.3%
0.63%
-3.5%
ACMR NewACM RESEARCH, INC.$6,574,160561,894
+100.0%
0.63%
KMPR NewKEMPER CORPORATION$6,415,718117,375
+100.0%
0.61%
EXPE BuyEXPEDIA GROUP, INC.$6,402,136
+44.4%
65,981
+30.3%
0.61%
+38.6%
DSKE BuyDASEKE, INC.$6,255,402
+81.5%
809,237
+33.6%
0.60%
+74.3%
ANIK BuyANIKA THERAPEUTICS, INC.$6,176,954
+0.4%
215,075
+3.5%
0.59%
-3.8%
CACI NewCACI INTERNATIONAL, INC.$5,840,27119,712
+100.0%
0.56%
DECK SellDECKERS OUTDOORS CORPORATION$5,838,306
-50.6%
12,987
-56.1%
0.56%
-52.6%
CSTL SellCASTLE BIOSCIENCES, INC.$5,831,065
-57.6%
256,649
-56.0%
0.56%
-59.3%
HCI NewHCI GROUP, INC.$5,632,181105,078
+100.0%
0.54%
NMM BuyNAVIOS MARITIME PARTNERS L.P.$5,585,107
+29.4%
231,555
+39.3%
0.53%
+24.3%
ACTG BuyACACIA RESEARCH CORPORATION$5,559,971
+107.3%
1,440,407
+126.1%
0.53%
+99.2%
SONY SellSONY GROUP CORPORATION$5,553,400
-9.7%
61,262
-24.0%
0.53%
-13.3%
OSG BuyOVERSEAS SHIPHOLDING GROUP, INC.$5,342,017
+119.2%
1,369,748
+62.4%
0.51%
+110.3%
BXC SellBLUELINX HOLDINGS, INC.$5,300,948
-62.9%
78,001
-61.2%
0.50%
-64.4%
GPRE BuyGREEN PLAINS, INC.$5,254,169
+83.1%
169,544
+80.2%
0.50%
+75.4%
TITN BuyTITAN MACHINERY, INC.$5,237,491
+40.7%
172,003
+83.6%
0.50%
+35.2%
NewBOWLERO CORPORATION$4,910,296289,693
+100.0%
0.47%
NTNX NewNUTANIX, INC.$4,891,630188,212
+100.0%
0.47%
CUBI NewCUSTOMERS BANCORP, INC.$4,866,315262,760
+100.0%
0.46%
DEN NewDENBURY, INC.$4,693,81353,564
+100.0%
0.45%
NewBORR DRILLING LIMITED$4,637,239611,773
+100.0%
0.44%
SAIC SellSCIENCE APPLICATIONS INTERNATIONAL CORPORATION$4,393,395
-37.3%
40,884
-35.3%
0.42%
-39.9%
HBIO SellHARVARD BIOSCIENCE, INC.$4,382,893
+50.1%
1,043,546
-1.0%
0.42%
+43.8%
ALL NewALLSTATE CORPORATION$4,356,38439,314
+100.0%
0.42%
ANDE SellANDERSONS, INC.$4,321,783
+11.5%
104,593
-5.6%
0.41%
+7.0%
HEES SellH&E EQUIPMENT SERVICES, INC.$4,207,688
-23.7%
95,132
-21.6%
0.40%
-26.7%
SITM BuySITIME CORPORATION$4,186,256
+85.1%
29,433
+32.3%
0.40%
+78.1%
LPI SellVITAL ENERGY, INC.$4,065,948
-40.1%
89,283
-32.4%
0.39%
-42.6%
NewTH INTERNATIONAL LIMITED$3,951,266970,827
+100.0%
0.38%
LXU SellLSB INDUSTRIES, INC.$3,925,493
-56.5%
380,009
-44.1%
0.37%
-58.3%
SKY SellSKYLINE CHAMPION CORPORATION$3,880,965
+38.2%
51,588
-5.4%
0.37%
+32.6%
DOMO BuyDOMO, INC.$3,849,265
+36.9%
271,266
+37.4%
0.37%
+31.5%
PRCH SellPORCH GROUP, INC.$3,830,857
-67.9%
2,678,921
-57.8%
0.36%
-69.1%
ALTG SellALTA EQUIPMENT GROUP, INC.$3,736,527
-50.5%
235,743
-58.8%
0.36%
-52.5%
RMNI BuyRIMINI STREET, INC.$3,692,645
+38.6%
896,273
+28.2%
0.35%
+33.3%
CWST BuyCASELLA WASTE SYSTEMS, INC.$3,649,687
+169.2%
44,153
+158.2%
0.35%
+157.8%
LTRX BuyLANTRONIX, INC.$3,615,415
+21.1%
833,045
+20.5%
0.34%
+16.2%
EMKR NewEMCORE CORPORATION$3,571,2183,105,407
+100.0%
0.34%
CB NewCHUBB LIMITED$3,431,74317,673
+100.0%
0.33%
DHT BuyDHT HOLDINGS, INC.$3,380,741
+175.8%
312,742
+126.5%
0.32%
+163.9%
CRMT NewAMERICAS CAR MART, INC.$3,360,88042,430
+100.0%
0.32%
ASO NewACADEMY SPORTS & OUTDOORS, INC.$3,294,86450,496
+100.0%
0.31%
ANTM NewELEVANCE HEALTH, INC.$3,232,4647,030
+100.0%
0.31%
QNST SellQUINSTREET, INC.$3,149,354
-48.7%
198,447
-53.6%
0.30%
-50.7%
NewMAXCYTE, INC.$3,076,989621,614
+100.0%
0.29%
MGPI BuyMGP INGREDIENTS, INC.$3,004,800
+115.3%
31,067
+136.8%
0.29%
+107.2%
HLX BuyHELIX ENERGY SOLUTNS GROUP, INC.$2,989,900
+55.5%
386,292
+48.3%
0.28%
+49.2%
KOS NewKOSMOS ENERGY LTD.$2,968,620399,008
+100.0%
0.28%
FFIV SellF5, INC.$2,954,885
-34.2%
20,282
-35.2%
0.28%
-36.9%
OMF NewONEMAIN HOLDINGS, INC.$2,930,39579,029
+100.0%
0.28%
MTRN NewMATERION CORPORATION$2,905,56825,048
+100.0%
0.28%
TALO NewTALOS ENERGY, INC.$2,890,461194,775
+100.0%
0.28%
HPE NewHEWLETT PACKARD ENTERPRISE COMPANY$2,713,930170,366
+100.0%
0.26%
AVDL NewAVADEL PHARMACEUTICALS PUBLIC LIMITED COMPANY$2,641,057288,325
+100.0%
0.25%
NewWARBY PARKER, INC.$2,630,111248,358
+100.0%
0.25%
PLBY NewPLBY GROUP, INC.$2,619,8811,323,172
+100.0%
0.25%
MQ NewMARQETA, INC.$2,584,911565,626
+100.0%
0.25%
PLTR NewPALANTIR TECHNOLOGIES, INC.$2,530,429299,459
+100.0%
0.24%
BOX SellBOX, INC.$2,479,709
-74.3%
92,561
-70.2%
0.24%
-75.4%
INSW SellINTERNATIONAL SEAWAYS, INC.$2,442,948
-53.2%
58,612
-58.5%
0.23%
-55.0%
AMKR NewAMKOR TECHNOLOGIES, INC.$2,411,97692,697
+100.0%
0.23%
FHI NewFEDERATED HERMES, INC.$2,352,48558,607
+100.0%
0.22%
JD NewJD.COM, INC.$2,291,89252,219
+100.0%
0.22%
MSFT SellMICROSOFT CORPORATION$2,265,173
-7.6%
7,857
-23.2%
0.22%
-11.1%
AXTI NewAXT, INC.$2,138,605537,338
+100.0%
0.20%
APPS SellDIGITAL TURBINE, INC.$2,042,577
-76.3%
165,257
-70.8%
0.20%
-77.2%
SLM NewSLM CORPORATION$2,017,265162,814
+100.0%
0.19%
NMRK NewNEWMARK GROUP, INC.$1,989,452280,996
+100.0%
0.19%
OKTA SellOKTA, INC.$1,954,371
-45.0%
22,662
-56.5%
0.19%
-47.3%
RCKY NewROCKY BRANDS, INC.$1,499,04264,978
+100.0%
0.14%
CPRI SellCAPRI HOLDINGS LIMITED$1,502,167
-85.6%
31,961
-82.5%
0.14%
-86.2%
TA SellTRAVELCENTERS OF AMERICA, INC.$1,380,108
-92.3%
15,955
-96.0%
0.13%
-92.6%
FLL SellFULL HOUSE RESORTS, INC.$1,322,287
-56.8%
182,889
-55.1%
0.13%
-58.6%
ICAD BuyICAD, INC.$1,130,129
+88.2%
911,394
+177.7%
0.11%
+80.0%
PSTG NewPURE STORAGE, INC.$1,113,66543,656
+100.0%
0.11%
DGII SellDIGI INTERNATIONAL, INC.$804,750
-86.4%
23,894
-85.3%
0.08%
-86.9%
DXLG SellDESTINATION XL GROUP, INC.$772,689
-75.4%
140,234
-69.9%
0.07%
-76.3%
MYTE NewMYT NETHERLANDS PARENT B V$746,178106,142
+100.0%
0.07%
ATEN BuyA10 NETWORKS, INC.$708,807
+3.9%
45,759
+11.5%
0.07%0.0%
TRUE SellTRUECAR, INC.$652,551
-89.1%
283,718
-88.1%
0.06%
-89.6%
SellJAKKS PACIFIC, INC.$546,957
-72.8%
31,616
-72.5%
0.05%
-73.9%
GOOG SellALPHABET, INC.$454,896
-80.7%
4,374
-83.6%
0.04%
-81.6%
MTCH SellMATCH GROUP, INC.$263,663
-10.8%
6,868
-3.6%
0.02%
-13.8%
SellCHARAH SOLUTIONS, INC.$96,495
-89.3%
46,170
-72.3%
0.01%
-89.9%
ECPG ExitENCORE CAPITAL GROUP, INC.$0-4,669
-100.0%
-0.02%
SD ExitSANDRIDGE ENERGY, INC.$0-25,079
-100.0%
-0.04%
CDMO ExitAVID BIOSERVICES, INC.$0-35,108
-100.0%
-0.05%
ADM ExitARCHER-DANIELS-MIDLAND COMPANY$0-14,261
-100.0%
-0.13%
AEHR ExitAEHR TEST SYSTEMS$0-68,191
-100.0%
-0.14%
ExitVELO3D, INC.$0-839,093
-100.0%
-0.15%
MAPS ExitWM TECHNOLOGY, INC.$0-1,507,336
-100.0%
-0.15%
ExitWALLBOX NV$0-509,860
-100.0%
-0.18%
FTCH ExitFARFETCH LIMITED$0-386,707
-100.0%
-0.18%
EA ExitELECTRONIC ARTS$0-15,936
-100.0%
-0.19%
HPP ExitHUDSON PACIFIC PROPERTIES, INC.$0-218,364
-100.0%
-0.21%
BW ExitBABCOCK & WILCOX ENTERPRISES, INC.$0-375,239
-100.0%
-0.22%
ExitMARKFORGED HOLDING CORPORATION$0-1,967,418
-100.0%
-0.23%
LRN ExitSTRIDE, INC.$0-77,719
-100.0%
-0.24%
TNK ExitTEEKAY TANKERS LTD.$0-87,307
-100.0%
-0.27%
EHTH ExitEHEALTH, INC.$0-567,799
-100.0%
-0.27%
ASB ExitASSOCIATED BANC-CORP$0-139,668
-100.0%
-0.32%
PRG ExitPROG HOLDINGS, INC.$0-206,196
-100.0%
-0.35%
BAND ExitBANDWIDTH, INC.$0-157,069
-100.0%
-0.36%
MTH ExitMERITAGE HOMES CORPORATION$0-39,638
-100.0%
-0.36%
CLFD ExitCLEARFIELD, INC.$0-38,955
-100.0%
-0.36%
QLYS ExitQUALYS, INC.$0-36,715
-100.0%
-0.41%
OXM ExitOXFORD INDUSTRIES, INC.$0-44,474
-100.0%
-0.41%
APEI ExitAMERICAN PUBLIC EDUCATION, INC.$0-349,805
-100.0%
-0.43%
LDOS ExitLEIDOS HOLDINGS, INC.$0-43,048
-100.0%
-0.45%
NOMD ExitNOMAD FOODS LTD$0-265,000
-100.0%
-0.45%
FIS ExitFIDELITY NATIONAL INFORMATION SERVICES, INC.$0-67,600
-100.0%
-0.46%
LHX ExitL3HARRIS TECHNOLOGIES, INC.$0-23,478
-100.0%
-0.48%
UBS ExitUBS GROUP AG$0-262,997
-100.0%
-0.49%
WFG ExitWEST FRASER TIMBER CO. LTD.$0-71,922
-100.0%
-0.52%
GFF ExitGRIFFON CORPORATION$0-156,325
-100.0%
-0.56%
WDAY ExitWORKDAY, INC.$0-40,525
-100.0%
-0.67%
SIVB ExitSVB FINANCIAL GROUP$0-29,654
-100.0%
-0.68%
RF ExitREGIONS FINANCIAL CORPORATION$0-333,497
-100.0%
-0.71%
ExitNOBLE CORPORATION PLC$0-224,098
-100.0%
-0.84%
BCOR ExitBLUCORA, INC.$0-376,123
-100.0%
-0.95%
VST ExitVISTRA CORP.$0-566,001
-100.0%
-1.30%
ETWO ExitE2OPEN PARENT HOLDINGS, INC.$0-2,502,732
-100.0%
-1.46%
EEFT ExitEURONET WORLDWIDE, INC.$0-166,590
-100.0%
-1.56%
Original filings

The following EDGAR filing(s) were analyzed to create this report:

  • View 13F-HR filed 2023-05-15
Signatures

The EDGAR filing(s) were signed by:

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
NameQuarters ownedLatest quarter ownedMax weighting
CASELLA WASTE SYSTEMS, INC. CLASS A42Q3 20235.3%
META PLATFORMS, INC.41Q3 20232.0%
ABIOMED INC CMN38Q3 20222.9%
ANIKA THERAPEUTICS INC CMN36Q2 20232.8%
BIO-RAD LABORATORIES, INC.34Q3 20233.5%
EURONET WORLDWIDE INC CMN32Q4 20223.9%
ALPHABET, INC.32Q3 20233.3%
SKECHERS USA, INC.31Q3 20232.9%
QUALYS INC CMN30Q4 20222.6%
ELECTRONIC ARTS, INC.29Q4 20222.2%

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Latest significant ownerships (13-D/G)
Portolan Capital Management Q1 2023 significant holdings filed using form 13D/G when ownership exceeds 5% of a company's total stock issue.
FiledShares Percentage
ALTA EQUIPMENT GROUP INC.February 13, 2023572,2461.8%
Charah Solutions, Inc.February 13, 2023166,8195.0%
FULL HOUSE RESORTS INCFebruary 13, 2023407,4521.2%
HARVARD BIOSCIENCE INCFebruary 13, 20231,054,3002.5%
LANTRONIX INCFebruary 13, 2023691,1181.9%
RICHARDSON ELECTRONICS, LTD.February 13, 2023484,6324.0%
Charah Solutions, Inc.November 22, 20221,782,0525.3%
APPLIED GENETIC TECHNOLOGIES CORPFebruary 15, 20222,218,1885.2%
AEMETIS, INCFebruary 11, 2022106,0900.3%
BlueLinx Holdings Inc.February 11, 2022451,7934.6%

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Latest filings
TypeFiled
13F-HR2024-05-15
SC 13G2024-03-14
13F-HR2024-02-14
SC 13G/A2024-02-14
SC 13G/A2024-02-14
SC 13G/A2024-02-14
SC 13G/A2024-02-14
SC 13G/A2024-02-14
SC 13G/A2024-02-14
SC 13G2023-12-18

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