Portolan Capital Management, LLC

CIK Number: 0001350290

1.59B
Market Value
108
# of Holdings
7 months
Avg. Holding Period
Win Rate
Peformance 3-Years

Filing Date: May 15, 2025

Rank Symbol Name Price % Change Shares % Change Shares Market Value Avg. Price Paid % Weight Asset Type
1 LNTH Lantheus Holdin...
55.66
-0.89% 867.31K +6.73% 84.65M 81.42 6.43% Share
2 SLM SLM Corporation
31.86
+1.11% 1.51M +67.93% 44.42M 26.58 3.38% Share
3 KTOS Kratos Defense ...
68.05
+1.72% 1.46M +8.36% 43.37M 18.76 3.30% Share
4 GENI Genius Sports L...
13.04
+0.81% 4.28M +39.47% 42.86M 6.41 3.26% Share
5 MOD Modine Manufact...
141.63
+2.54% 493.57K +50.07% 37.88M 67.74 2.88% Share
6 FOUR Shift4 Payments...
89.48
-1.06% 406.5K +188.36% 33.22M 76.69 2.52% Share
7 EBAY eBay Inc.
94.64
-3.97% 474.66K +99.33% 32.15M 65.34 2.44% Share
8 GTES Gates Industria...
25.87
+1.09% 1.73M +54.97% 31.88M 19.8 2.42% Share
9 CLS Celestica Inc.
198.62
+2.96% 392.92K -37.33% 30.97M 57.79 2.35% Share
10 HNST The Honest Comp...
3.90
-1.52% 5.52M +2.99% 25.94M 2.46 1.97% Share
11 CSTL Castle Bioscien...
21.35
+3.79% 1.27M +62.92% 25.33M 20.97 1.93% Share
12 ELF e.l.f. Beauty, ...
114.97
+0.90% 395.25K +71.85% 24.82M 70.35 1.89% Share
13 OPRA Opera Limited
16.46
+2.36% 1.53M +104.41% 24.38M 15.32 1.85% Share
14 PRCH Porch Group, In...
15.87
-3.17% 3.29M +43.17% 24M 5.22 1.82% Share
15 RDNT RadNet, Inc.
70.57
+1.41% 478.41K +12.74% 23.79M 60.78 1.81% Share
16 TREE LendingTree, In...
69.12
-1% 438.8K +100.00% 22.06M 50.27 1.68% Share
17 TTMI TTM Technologie...
44.87
+1.77% 1.02M -21.52% 20.95M 18.75 1.59% Share
18 CROX Crocs, Inc.
85.47
-0.95% 194.21K +138.50% 20.63M 107.86 1.57% Share
19 DBRG DigitalBridge G...
11.25
-0.71% 2.27M +186.22% 19.99M 9.97 1.52% Share
20 MYTE MYT Netherlands...
7.64
-2.55% 2.63M +38.12% 19.87M 5.13 1.51% Share
21 VPG Vishay Precisio...
28.55
+0.56% 820.97K +66.80% 19.78M 23.72 1.50% Share
22 IIIV i3 Verticals, I...
30.74
-1.03% 789.16K +16.72% 19.47M 23.53 1.48% Share
23 LQDT Liquidity Servi...
26.50
-0.38% 626.36K +100.00% 19.42M 31.01 1.48% Share
24 QTRX Quanterix Corpo...
4.69
+0.43% 2.96M +14.51% 19.29M 14.46 1.47% Share
25 CLBT Cellebrite DI L...
15.80
-0.19% 988.99K +8.10% 19.22M 12.54 1.46% Share
26 KMPR Kemper Corporat...
53.20
+0.53% 286.56K +24.48% 19.16M 61.5 1.46% Share
27 KRUS Kura Sushi USA,...
79.76
+1.41% 373K -0.07% 19.1M 82.57 1.45% Share
28 TPR Tapestry, Inc.
100.67
+2.23% 247.11K +24.86% 17.4M 66.34 1.32% Share
29 PAYO Payoneer Global...
6.76
-0.29% 2.24M +3.22% 16.4M 7.94 1.25% Share
30 DKNG DraftKings Inc.
47.71
+1.71% 492.42K +53.60% 16.35M 36.14 1.24% Share
31 ACI Albertsons Comp...
19.39
-1.45% 709.58K +44.82% 15.6M 20.37 1.19% Share
32 SMCI Super Micro Com...
44.36
+0.66% 433.86K +363.11% 14.86M 33.43 1.13% Share
33 VIRT Virtu Financial...
43.20
+1.91% 388.84K -26.44% 14.82M 31.82 1.13% Share
34 UTHR United Therapeu...
309.22
+1.26% 45.07K +216.29% 13.89M 283.1 1.06% Share
35 QNST QuinStreet, Inc...
15.69
+0.84% 778.3K -15.15% 13.88M 15.18 1.06% Share
36 BELFB Bel Fuse Inc.
139.31
+1.66% 184.22K -11.63% 13.79M 67.44 1.05% Share
37 BIDU Baidu, Inc.
92.48
+0.60% 134.55K +100.00% 12.38M 92.03 0.94% Share
38 DY Dycom Industrie...
256.75
+1.26% 81K +248.43% 12.34M 158.57 0.94% Share
39 PBPB Potbelly Corpor...
12.83
+2.39% 1.28M +29.44% 12.14M 10.58 0.92% Share
40 MAMA Mama's Creation...
8.45
+0.12% 1.82M +122.03% 11.83M 6.73 0.90% Share
41 SKX Skechers U.S.A....
63.02
+0.03% 199.87K +0.52% 11.35M 57.23 0.86% Share
42 SG Sweetgreen, Inc...
9.14
+0.49% 439.85K +43.27% 11.01M 19.94 0.84% Share
43 RPRX Royalty Pharma ...
35.98
-0.04% 352.26K +2.35% 10.97M 26.98 0.83% Share
44 ENVA Enova Internati...
118.57
+3.46% 112.51K -46% 10.86M 65.23 0.83% Share
45 WEAV Weave Communica...
7.51
-1.38% 952.16K +119.65% 10.56M 13.29 0.80% Share
46 ZETA Zeta Global Hol...
19.71
+0.05% 741.85K +11.66% 10.06M 9.92 0.76% Share
47 NOG Northern Oil an...
25.30
-1% 331.95K +68.48% 10.04M 33.96 0.76% Share
48 SRAD Sportradar Grou...
31.79
+0.82% 438.02K -38.77% 9.47M 12.11 0.72% Share
49 FLEX Flex Ltd.
53.48
+0.94% 280.91K -35.47% 9.29M 22.34 0.71% Share
50 STKL SunOpta Inc.
6.32
-0.78% 1.89M +13.59% 9.21M 7.09 0.70% Share
51 POWL Powell Industri...
273.23
+5.76% 53.22K +322.65% 9.07M 182.47 0.69% Share
52 TTWO Take-Two Intera...
230.82
-0.44% 42.73K +0.55% 8.86M 145.39 0.67% Share
53 GES Guess', Inc.
16.84
+0.24% 776.18K +100.00% 8.59M 11.07 0.65% Share
54 TLN Talen Energy Co...
378.79
+6.54% 42.67K -72.36% 8.52M 178.24 0.65% Share
55 UPWK Upwork Inc.
15.09
+1.21% 644.55K +100.00% 8.41M 13.05 0.64% Share
56 PSIX Power Solutions...
82.74
-6.48% 296.44K -13.14% 7.49M 29.75 0.57% Share
57 GPOR Gulfport Energy...
173.17
+3.25% 40.49K +100.00% 7.46M 184.14 0.57% Share
58 CDNA CareDx, Inc
12.81
+0.47% 411.68K +100.00% 7.31M 17.75 0.56% Share
59 META Meta Platforms,...
754.10
+0.11% 12.44K -15.39% 7.17M 148.73 0.55% Share
60 ZGN Ermenegildo Zeg...
8.27
+0.85% 957.2K +135.92% 7.08M 7.76 0.54% Share
61 HZO MarineMax, Inc.
27.53
-0.86% 322.11K +51.97% 6.93M 30.56 0.53% Share
62 NTGR NETGEAR, Inc.
27.09
+0.33% 283.09K +47.28% 6.92M 26.78 0.53% Share
63 LIND Lindblad Expedi...
14.68
-1.74% 689.25K +26.64% 6.39M 10.33 0.49% Share
64 MRX Marex Group plc...
36.30
-0.17% 174.2K -22.1% 6.15M 31.17 0.47% Share
65 HCAT Health Catalyst...
3.50
+4.79% 1.32M +75.84% 5.97M 6.51 0.45% Share
66 CTOS Custom Truck On...
6.00
+1.09% 1.4M -3.74% 5.9M 5.99 0.45% Share
67 BV BrightView Hold...
14.61
-0.14% 421.34K +28.98% 5.41M 12.85 0.41% Share
68 GDOT Green Dot Corpo...
13.43
+0.98% 636.07K +100.00% 5.37M 8.44 0.41% Share
69 BIO Bio-Rad Laborat...
296.43
-0.32% 21.74K -28.92% 5.29M 378.49 0.40% Share
70 TGLS Tecnoglass Inc.
73.25
+1.15% 73.15K -35.85% 5.23M 18.98 0.40% Share
71 CELH Celsius Holding...
59.57
-1.03% 142.55K +100.00% 5.08M 35.62 0.39% Share
72 CADL Candel Therapeu...
5.96
+4.38% 881.18K +16.91% 4.98M 8.24 0.38% Share
73 GEN Gen Digital Inc...
30.77
-1.16% 187.17K +100.00% 4.97M 26.54 0.38% Share
74 WRBY Warby Parker In...
26.69
+2.03% 267.68K -39.41% 4.88M 18.42 0.37% Share
75 MYGN Myriad Genetics...
5.81
-1.36% 549.92K +100.00% 4.88M 8.87 0.37% Share
76 ECPG Encore Capital ...
41.32
-2.04% 140.73K -34.67% 4.82M 47.77 0.37% Share
77 KOS Kosmos Energy L...
1.80
-4.26% 2.01M +24.38% 4.59M 3.2 0.35% Share
78 DOMO Domo, Inc.
16.11
+16.40% 584.28K +100.00% 4.53M 7.76 0.34% Share
79 OPRT Oportun Financi...
6.58
+2.49% 818.35K +100.00% 4.49M 5.49 0.34% Share
80 RMNI Rimini Street, ...
4.22
+0.24% 1.24M +100.00% 4.3M 3.48 0.33% Share
81 TPB Turning Point B...
98.93
+1.81% 70.45K +10.93% 4.19M 60.03 0.32% Share
82 REAX The Real Broker...
5.13
+2.40% 1.02M +100.00% 4.15M 4.06 0.32% Share
83 ESTA Establishment L...
41.76
+2.71% 100.83K -48.02% 4.11M 45.25 0.31% Share
84 GEHC GE HealthCare T...
74.09
-0.67% 47.44K +100.00% 3.83M 80.71 0.29% Share
85 FIVN Five9, Inc.
25.99
-2.66% 138.25K +100.00% 3.75M 27.15 0.29% Share
86 VKTX Viking Therapeu...
26.04
+0.74% 138.75K +8.04% 3.35M 34.37 0.25% Share
87 INVE Identiv, Inc.
3.71
+0.27% 1.04M -0.22% 3.33M 11.57 0.25% Share
88 TMDX TransMedics Gro...
115.18
+0.18% 47.54K +100.00% 3.2M 67.28 0.24% Share
89 PACK Ranpak Holdings...
5.56
+15.11% 573.62K +100.00% 3.11M 5.42 0.24% Share
90 SMWB Similarweb Ltd.
9.31
+1.53% 370.19K +30.85% 3.06M 12.78 0.23% Share
91 NTRA Natera, Inc.
165.71
+1.99% 20.56K -46.73% 2.91M 79.03 0.22% Share
92 RELY Remitly Global,...
18.15
-3.15% 127.23K -81.67% 2.65M 19.69 0.20% Share
93 EVER EverQuote, Inc.
23.48
+1.16% 100.55K +100.00% 2.63M 26.19 0.20% Share
94 FORR Forrester Resea...
9.77
-1.01% 280.11K +11.39% 2.59M 20.94 0.20% Share
95 SMTC Semtech Corpora...
58.72
+15.14% 69.31K -89.61% 2.38M 58 0.18% Share
96 MSFT Microsoft Corpo...
502.04
-0.44% 5.8K -15.35% 2.18M 226.71 0.17% Share
97 GCO Genesco Inc.
32.13
+12.90% 88.73K -80.89% 1.88M 42.75 0.14% Share
98 BXC BlueLinx Holdin...
83.80
-0.83% 24.39K -30.43% 1.83M 96.77 0.14% Share
99 CWST Casella Waste S...
99.55
+0.70% 15.3K -0.22% 1.71M 68.33 0.13% Share
100 ORCL Oracle Corporat...
234.20
-0.51% 9.84K -87.25% 1.38M 141.1 0.10% Share
101 GOOG Alphabet Inc.
207.95
-0.58% 6.37K +25.66% 994.72K 116.54 0.08% Share
102 KIDS OrthoPediatrics...
22.12
+9.02% 34.55K -83.17% 851.04K 27.77 0.06% Share
103 SKY Skyline Champio...
74.53
-0.6% 8.97K -0.28% 850.09K 51.38 0.06% Share
104 VRT Vertiv Holdings...
127.93
+2.33% 8.23K -89.79% 594.5K 46.79 0.05% Share
105 PRIM Primoris Servic...
117.28
+2.10% 10.24K -90.45% 587.88K 49.95 0.04% Share
106 RDDT Reddit, Inc.
219.31
-0.19% 4.88K -96.29% 512.44K 130.67 0.04% Share
107 SPWH Sportsman's War...
2.74
+0.18% 237.33K -89.83% 235.93K 2.69 0.02% Share
108 PRTC PureTech Health...
19.00
-0.37% 11.88K +100.00% 235.09K 19.78 0.02% Share