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Portolan Capital Management, LLC

Q1 2026 · Filed 2026-05-15
Market Value
$1.8B
+2.8%
Holdings
179
+9
New Purchases
30
Added To
48
Closed
36
Reduced
61
Top 10 Concentration
28.5%
Turnover
36.9%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
PARR 2.36% 0.00% +2.36% $43M
VIRT 2.89% 0.70% +2.19% $53M
PBF 2.07% 0.00% +2.07% $38M
CRGY 1.91% 0.02% +1.89% $35M
MUSA 1.29% 0.00% +1.29% $24M
FN 1.55% 0.28% +1.27% $29M
ECO 1.48% 0.31% +1.17% $27M
CRCL 1.11% 0.00% +1.11% $20M
DHT 1.08% 0.00% +1.08% $20M
UTHR 2.04% 1.00% +1.04% $38M
MOD 4.85% 3.99% +0.85% $89M
POWL 2.23% 1.41% +0.82% $41M
HAFN 0.80% 0.00% +0.80% $15M
QLYS 1.14% 0.38% +0.76% $21M
ADEA 0.95% 0.25% +0.70% $18M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
CSTL 1.80% 3.75% -1.95% $33M
FSLR 0.00% 1.15% -1.15% $0
FOUR 0.51% 1.64% -1.14% $9M
GENI 0.67% 1.81% -1.14% $12M
FAF 0.00% 1.10% -1.10% $0
ZETA 0.42% 1.50% -1.08% $8M
QTRX 0.56% 1.61% -1.04% $10M
DOMO 0.03% 1.02% -0.98% $603K
SPHR 0.00% 0.93% -0.93% $0
WRBY 0.57% 1.50% -0.93% $11M
LPTH 0.57% 1.41% -0.84% $10M
TECH 0.00% 0.82% -0.82% $0
FCX 0.00% 0.82% -0.82% $0
MGA 0.00% 0.76% -0.76% $0
AVAV 0.27% 1.02% -0.76% $5M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 4 $8M 0.4%
Large Cap 44 $619M 33.6%
Mid Cap 73 $783M 42.5%
Small Cap 48 $404M 21.9%
Micro Cap 10 $29M 1.6%

Portfolio Analytics

Avg Market Cap
$67.0B
Median Market Cap
$4.2B
Avg P/E
53.2
Median P/E
33.0
Avg Dividend Yield
0.01%
Avg Beta
1.42
# Stocks
179
# ETFs / Funds
0

Top Holdings (179 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 MOD 4.85% 412,092 $89M $216.71 $18M -123,855 -23.1%
2 TTMI 3.85% 727,494 $71M $97.42 -$8M -419,188 -36.6%
3 CLS 3.02% 197,863 $56M $281.68 $5M +25,588 +14.8%
4 VIRT 2.89% 1,211,887 $53M $43.98 $41M +835,604 +222.1%
5 AKAM 2.64% 423,442 $49M $114.85 $3M -100,879 -19.2%
6 VPG 2.40% 1,019,868 $44M $43.42 $10M +142,199 +16.2%
7 PARR 2.36% 693,834 $43M $62.64 — +693,834 — NEW
8 POWL 2.23% 75,830 $41M $541.08 $16M -3,286 -4.2%
9 BIDU 2.22% 366,429 $41M $111.42 $6M +102,748 +39.0%
10 PBF 2.07% 799,998 $38M $47.62 — +799,998 — NEW
11 UTHR 2.04% 63,435 $38M $592.98 $20M +26,682 +72.6%
12 GOOS 1.92% 3,218,277 $35M $10.97 $8M +1,079,373 +50.5%
13 CRGY 1.91% 2,601,142 $35M $13.50 $35M +2,561,242 +6419.1%
14 CSTL 1.80% 1,350,283 $33M $24.55 -$34M -379,180 -21.9%
15 LNTH 1.72% 417,390 $32M $75.85 -$5K -58,399 -12.3%
16 CLBT 1.63% 2,180,924 $30M $13.78 $7M +893,637 +69.4%
17 LUXE 1.62% 3,733,943 $30M $8.00 $8M +1,073,269 +40.3%
18 FLEX 1.57% 443,128 $29M $65.46 $796K -23,785 -5.1%
19 FN 1.55% 54,763 $29M $521.52 $24M +43,885 +403.4%
20 ECO 1.48% 538,860 $27M $50.59 $22M +377,045 +233.0%
21 TLN 1.41% 81,574 $26M $319.23 -$2M +6,590 +8.8%
22 SMTC 1.39% 332,327 $26M $76.89 -$12M -176,328 -34.7%
23 CNR 1.35% 237,036 $25M $104.73 $13M +106,794 +82.0%
24 MUSA 1.29% 48,107 $24M $493.97 — +48,107 — NEW
25 BIIB 1.18% 118,481 $22M $183.33 $7M +33,491 +39.4%
26 KRUS 1.14% 301,212 $21M $69.79 $11M +110,416 +57.9%
27 QLYS 1.14% 239,028 $21M $87.85 $14M +187,173 +360.9%
28 JBL 1.11% 77,197 $21M $265.63 $4M +6,532 +9.2%
29 CRCL 1.11% 213,796 $20M $95.41 — +213,796 — NEW
30 DHT 1.08% 1,091,788 $20M $18.27 — +1,091,788 — NEW
31 NOK 1.04% 2,393,970 $19M $8.04 $12M +1,317,848 +122.5%
32 ALNT 1.04% 323,453 $19M $59.09 $3M +21,565 +7.1%
33 PRIM 1.01% 130,626 $19M $143.04 $6M +24,910 +23.6%
34 DAVE 1.00% 105,442 $18M $174.09 $9M +61,441 +139.6%
35 KTOS 0.99% 259,811 $18M $70.51 -$4M -34,195 -11.6%
36 MAMA 0.98% 1,176,936 $18M $15.34 $1M -68,831 -5.5%
37 ADEA 0.95% 729,461 $18M $24.03 $13M +473,253 +184.7%
38 UPWK 0.93% 1,570,560 $17M $10.96 $3M +850,916 +118.2%
39 PLSE 0.86% 733,372 $16M $21.59 $10M +339,873 +86.4%
40 PRCH 0.83% 2,144,890 $15M $7.17 -$4M +61,835 +3.0%
41 HAFN 0.80% 1,948,717 $15M $7.60 — +1,948,717 — NEW
42 MEC 0.80% 821,136 $15M $17.95 $5M +308,374 +60.1%
43 CADL 0.77% 2,894,325 $14M $4.90 $5M +1,198,958 +70.7%
44 LASR 0.70% 225,576 $13M $57.02 -$9M -364,857 -61.8%
45 GENI 0.67% 2,791,018 $12M $4.43 -$20M -147,101 -5.0%
46 AS 0.64% 357,826 $12M $32.92 — +357,826 — NEW
47 EBAY 0.62% 126,096 $11M $91.02 $6M +67,952 +116.9%
48 PKE 0.61% 410,655 $11M $27.38 $6M +165,620 +67.6%
49 ENVA 0.60% 80,923 $11M $135.83 -$4M -16,924 -17.3%
50 RELY 0.59% 698,166 $11M $15.67 $2M +70,147 +11.2%
51 EVLV 0.59% 1,795,688 $11M $6.05 — +1,795,688 — NEW
52 WRBY 0.57% 500,706 $11M $21.07 -$16M -731,467 -59.4%
53 BELFB 0.57% 53,170 $11M $197.98 -$13M -86,343 -61.9%
54 LPTH 0.57% 1,040,462 $10M $10.03 -$15M -1,291,722 -55.4%
55 QTRX 0.56% 2,945,823 $10M $3.52 -$18M -1,579,730 -34.9%
56 RRX 0.55% 53,975 $10M $187.26 $7M +30,877 +133.7%
57 AMSC 0.54% 295,636 $10M $33.85 — +295,636 — NEW
58 TWLO 0.51% 74,769 $9M $125.82 — +74,769 — NEW
59 FOUR 0.51% 214,284 $9M $43.73 -$20M -253,779 -54.2%
60 HNST 0.49% 3,045,834 $9M $2.94 -$3M -1,758,372 -36.6%
61 FORR 0.47% 1,541,276 $9M $5.66 $3M +835,527 +118.4%
62 LPRO 0.47% 6,902,888 $9M $1.25 $1M +2,166,258 +45.7%
63 MOG-A 0.47% 29,437 $9M $292.64 — +29,437 — NEW
64 VECO 0.47% 253,379 $9M $33.86 — +253,379 — NEW
65 HQY 0.46% 101,646 $8M $83.57 — +101,646 — NEW
66 ELF 0.45% 136,707 $8M $60.61 -$6M -55,615 -28.9%
67 DGII 0.45% 170,256 $8M $48.20 -$2M -67,294 -28.3%
68 GHM 0.44% 103,556 $8M $78.92 — +103,556 — NEW
69 ZETA 0.42% 486,271 $8M $15.92 -$19M -832,526 -63.1%
70 ESI 0.41% 221,232 $8M $34.14 — +221,232 — NEW
71 RPAY 0.40% 2,856,178 $7M $2.60 -$3M +65,897 +2.4%
72 ZGN 0.40% 710,626 $7M $10.42 $122K +92 +0.0%
73 WLDN 0.39% 93,964 $7M $76.56 $1M +36,351 +63.1%
74 ACLS 0.39% 77,168 $7M $93.08 — +77,168 — NEW
75 CIEN 0.39% 18,466 $7M $388.23 -$6M -38,015 -67.3%
76 PACK 0.38% 1,947,681 $7M $3.57 -$4M -3,049 -0.2%
77 VNET 0.38% 825,490 $7M $8.39 $100K +18,690 +2.3%
78 ONON 0.37% 202,444 $7M $34.02 — +202,444 — NEW
79 NXT 0.37% 56,747 $7M $120.55 -$110K -23,042 -28.9%
80 FEIM 0.36% 150,141 $7M $44.26 $557K +37,065 +32.8%
81 WGS 0.36% 102,575 $7M $64.22 -$667K +46,799 +83.9%
82 TTWO 0.35% 32,219 $6M $197.50 -$3M -5,468 -14.5%
83 PRCT 0.34% 251,716 $6M $25.01 -$2M -3,402 -1.3%
84 NOG 0.32% 204,244 $6M $29.23 — +204,244 — NEW
85 CDNA 0.32% 340,352 $6M $17.36 -$8M -418,423 -55.1%
86 BL 0.32% 159,026 $6M $37.00 — +159,026 — NEW
87 META 0.32% 10,261 $6M $572.13 -$940K -57 -0.6%
88 CELH 0.32% 164,597 $6M $35.48 — +164,597 — NEW
89 DBRG 0.31% 373,130 $6M $15.42 -$7M -451,816 -54.8%
90 IESC 0.31% 11,869 $6M $476.47 $1M +77 +0.7%
91 TSEM 0.31% 32,043 $6M $175.48 -$12M -116,482 -78.4%
92 AMBA 0.30% 108,749 $6M $51.48 $2M +54,507 +100.5%
93 CENX 0.30% 95,039 $6M $58.69 — +95,039 — NEW
94 TALO 0.29% 344,549 $5M $15.76 $4M +225,449 +189.3%
95 TLX 0.28% 541,267 $5M $9.57 — +541,267 — NEW
96 MIAX 0.27% 128,819 $5M $38.92 — +128,819 — NEW
97 AVAV 0.27% 26,880 $5M $183.05 -$13M -49,078 -64.6%
98 VIAV 0.26% 145,844 $5M $33.28 — +145,844 — NEW
99 XPEV 0.26% 275,432 $5M $17.11 $3M +178,505 +184.2%
100 PSNL 0.25% 736,713 $5M $6.37 $2M +357,516 +94.3%

New Positions

SymbolValue% Port
PARR $43M 2.36%
PBF $38M 2.07%
MUSA $24M 1.29%
CRCL $20M 1.11%
DHT $20M 1.08%
HAFN $15M 0.80%
AS $12M 0.64%
EVLV $11M 0.59%
AMSC $10M 0.54%
TWLO $9M 0.51%
MOG-A $9M 0.47%
VECO $9M 0.47%
HQY $8M 0.46%
GHM $8M 0.44%
ESI $8M 0.41%

Sold Out Positions

SymbolValue% Port
ORCL — —%
FCX — —%
FAF — —%
VRT — —%
HZO — —%
ARE — —%
NUS — —%
SN — —%
WEAV — —%
MGA — —%
SPHR — —%
CMTG — —%
SG — —%
STC — —%
SMWB — —%
View SEC EDGAR Filings for Portolan Capital Management, LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms