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Asset Manager ← All Institutions

Portolan Capital Management, LLC

Q2 2026 · Filed 2026-08-14
Market Value
$2.6B
+42.4%
Holdings
177
-2
New Purchases
34
Added To
50
Closed
32
Reduced
57
Top 10 Concentration
29.5%
Turnover
37.3%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
VPG 5.76% 2.40% +3.36% $151M
VIRT 4.86% 2.89% +1.97% $128M
QLYS 2.78% 1.14% +1.64% $73M
PENG 1.58% 0.00% +1.58% $42M
FOUR 2.06% 0.51% +1.56% $54M
ENVA 1.82% 0.60% +1.23% $48M
MEC 1.85% 0.80% +1.05% $49M
SRAD 1.04% 0.00% +1.04% $27M
BAND 1.00% 0.00% +1.00% $26M
GENI 1.62% 0.67% +0.95% $43M
KTB 0.93% 0.00% +0.93% $24M
ECPG 0.91% 0.00% +0.91% $24M
BB 0.83% 0.00% +0.83% $22M
IFF 0.81% 0.00% +0.81% $21M
OSK 0.92% 0.15% +0.78% $24M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
PBF 0.00% 2.07% -2.07% $0
CRGY 0.00% 1.91% -1.91% $0
BIDU 0.42% 2.22% -1.80% $11M
MOD 3.19% 4.85% -1.66% $84M
PARR 0.73% 2.36% -1.63% $19M
CSTL 0.30% 1.80% -1.50% $8M
FN 0.14% 1.55% -1.41% $4M
CNR 0.00% 1.35% -1.35% $0
MUSA 0.00% 1.29% -1.29% $0
CLS 1.76% 3.02% -1.26% $46M
AKAM 1.40% 2.64% -1.24% $37M
CRCL 0.00% 1.11% -1.11% $0
ECO 0.37% 1.48% -1.11% $10M
PRIM 0.00% 1.01% -1.01% $0
UPWK 0.00% 0.93% -0.93% $0

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 2 $8M 0.3%
Large Cap 41 $849M 32.4%
Mid Cap 80 $1.2B 43.9%
Small Cap 47 $581M 22.1%
Micro Cap 7 $34M 1.3%

Portfolio Analytics

Avg Market Cap
$42.6B
Median Market Cap
$3.7B
Avg P/E
55.0
Median P/E
35.0
Avg Dividend Yield
0.01%
Avg Beta
1.39
# Stocks
177
# ETFs / Funds
0

Top Holdings (177 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 VPG 5.76% 1,008,167 $151M $149.91 $107M -11,701 -1.1%
2 VIRT 4.86% 2,142,215 $128M $59.57 $74M +930,328 +76.8%
3 TTMI 3.62% 507,838 $95M $187.02 $24M -219,656 -30.2%
4 MOD 3.19% 313,683 $84M $267.02 -$6M -98,409 -23.9%
5 QLYS 2.78% 529,807 $73M $137.49 $52M +290,779 +121.7%
6 FOUR 2.06% 1,114,116 $54M $48.64 $45M +899,832 +419.9%
7 MEC 1.85% 1,299,256 $49M $37.46 $34M +478,120 +58.2%
8 ENVA 1.82% 198,795 $48M $240.73 $37M +117,872 +145.7%
9 SMTC 1.82% 294,619 $48M $161.85 $22M -37,708 -11.3%
10 CLS 1.76% 126,856 $46M $364.80 -$9M -71,007 -35.9%
11 UTHR 1.68% 81,518 $44M $541.83 $7M +18,083 +28.5%
12 GENI 1.62% 7,025,809 $43M $6.06 $30M +4,234,791 +151.7%
13 POWL 1.59% 145,631 $42M $286.36 $673K +69,801 +92.0%
14 PENG 1.58% 546,173 $42M $76.01 — +546,173 — NEW
15 DAVE 1.50% 105,338 $39M $372.59 $21M -104 -0.1%
16 FLEX 1.41% 229,027 $37M $162.07 $8M -214,101 -48.3%
17 ALNT 1.41% 359,685 $37M $102.93 $18M +36,232 +11.2%
18 PRCH 1.41% 2,456,451 $37M $15.04 $22M +311,561 +14.5%
19 AKAM 1.40% 310,361 $37M $118.21 -$12M -113,081 -26.7%
20 CADL 1.37% 3,490,398 $36M $10.30 $22M +596,073 +20.6%
21 TLN 1.32% 90,312 $35M $384.26 $9M +8,738 +10.7%
22 RRX 1.25% 137,498 $33M $238.19 $23M +83,523 +154.7%
23 LNTH 1.22% 288,691 $32M $110.94 $368K -128,699 -30.8%
24 BIIB 1.18% 142,856 $31M $216.06 $9M +24,375 +20.6%
25 VECO 1.16% 401,639 $30M $75.80 $22M +148,260 +58.5%
26 LUXE 1.15% 4,053,147 $30M $7.43 $243K +319,204 +8.6%
27 ZETA 1.13% 1,502,738 $30M $19.68 $22M +1,016,467 +209.0%
28 CLBT 1.07% 1,932,514 $28M $14.60 -$2M -248,410 -11.4%
29 SRAD 1.04% 1,819,949 $27M $14.97 — +1,819,949 — NEW
30 GOOS 1.00% 2,750,523 $26M $9.51 -$9M -467,754 -14.5%
31 BAND 1.00% 412,701 $26M $63.30 — +412,701 — NEW
32 WRBY 0.98% 843,862 $26M $30.34 $15M +343,156 +68.5%
33 KTB 0.93% 292,115 $24M $83.34 — +292,115 — NEW
34 OSK 0.92% 157,641 $24M $153.48 $22M +139,456 +766.9%
35 ECPG 0.91% 255,715 $24M $93.29 — +255,715 — NEW
36 TWLO 0.91% 115,397 $24M $206.33 $14M +40,628 +54.3%
37 SEZL 0.89% 135,743 $23M $171.63 $19M +65,697 +93.8%
38 RELY 0.87% 1,017,592 $23M $22.41 $12M +319,426 +45.8%
39 ACMR 0.86% 177,432 $23M $126.89 $19M +94,176 +113.1%
40 ESI 0.85% 469,213 $22M $47.75 $15M +247,981 +112.1%
41 NOK 0.83% 1,645,761 $22M $13.28 $3M -748,209 -31.2%
42 BB 0.83% 1,714,461 $22M $12.65 — +1,714,461 — NEW
43 IFF 0.81% 269,229 $21M $79.22 — +269,229 — NEW
44 PLSE 0.80% 753,333 $21M $27.73 $5M +19,961 +2.7%
45 MOG-A 0.80% 49,274 $21M $423.84 $12M +19,837 +67.4%
46 CDNA 0.74% 684,805 $20M $28.50 $14M +344,453 +101.2%
47 PARR 0.73% 341,863 $19M $56.08 -$24M -351,971 -50.7%
48 VSH 0.72% 351,515 $19M $53.78 — +351,515 — NEW
49 TTWO 0.69% 72,487 $18M $249.98 $12M +40,268 +125.0%
50 MAMA 0.67% 984,869 $18M $17.85 -$474K -192,067 -16.3%
51 KRUS 0.66% 302,010 $17M $57.56 -$4M +798 +0.3%
52 SANM 0.66% 68,255 $17M $253.08 $14M +40,923 +149.7%
53 PKE 0.65% 447,390 $17M $38.16 $6M +36,735 +8.9%
54 GHM 0.65% 136,925 $17M $123.79 $9M +33,369 +32.2%
55 BELFB 0.61% 47,856 $16M $333.04 $5M -5,314 -10.0%
56 ONON 0.60% 441,137 $16M $35.42 $9M +238,693 +117.9%
57 AS 0.58% 452,880 $15M $33.84 $4M +95,054 +26.6%
58 COHU 0.58% 206,120 $15M $73.91 — +206,120 — NEW
59 JBL 0.57% 38,929 $15M $385.48 -$5M -38,268 -49.6%
60 ADEA 0.56% 443,060 $15M $32.93 -$3M -286,401 -39.3%
61 VICR 0.55% 38,081 $14M $379.78 $10M +11,411 +42.8%
62 TENB 0.55% 387,923 $14M $36.88 — +387,923 — NEW
63 GEHC 0.54% 222,393 $14M $64.01 — +222,393 — NEW
64 CXT 0.53% 271,524 $14M $51.16 — +271,524 — NEW
65 PACK 0.53% 1,894,855 $14M $7.31 $7M -52,826 -2.7%
66 ONTO 0.53% 36,503 $14M $378.45 $9M +14,240 +64.0%
67 WGS 0.52% 200,315 $14M $68.65 $7M +97,740 +95.3%
68 FORR 0.52% 1,623,925 $14M $8.41 $5M +82,649 +5.4%
69 HZO 0.48% 344,358 $13M $36.62 — +344,358 — NEW
70 BIO 0.48% 42,620 $13M $293.61 $9M +28,447 +200.7%
71 QMCO 0.43% 1,020,120 $11M $11.00 — +1,020,120 — NEW
72 BIDU 0.42% 95,863 $11M $114.29 -$30M -270,566 -73.8%
73 RACE 0.41% 29,079 $11M $372.29 — +29,079 — NEW
74 DGII 0.40% 141,243 $11M $74.95 $2M -29,013 -17.0%
75 LASR 0.40% 151,867 $11M $69.62 -$2M -73,709 -32.7%
76 VIAV 0.40% 220,118 $11M $47.75 $6M +74,274 +50.9%
77 BOOT 0.40% 63,759 $10M $164.27 — +63,759 — NEW
78 LPTH 0.39% 629,168 $10M $16.35 -$149K -411,294 -39.5%
79 FEIM 0.39% 152,818 $10M $66.35 $3M +2,677 +1.8%
80 HALO 0.38% 127,498 $10M $78.27 — +127,498 — NEW
81 ECO 0.37% 195,997 $10M $50.12 -$17M -342,863 -63.6%
82 ZGN 0.37% 753,948 $10M $13.02 $2M +43,322 +6.1%
83 SG 0.35% 1,029,016 $9M $8.81 — +1,029,016 — NEW
84 TPR 0.34% 61,688 $9M $146.38 $7M +44,650 +262.1%
85 SEI 0.33% 107,401 $9M $80.46 $7M +79,471 +284.5%
86 ATEN 0.32% 226,920 $8M $37.36 — +226,920 — NEW
87 AMBA 0.32% 97,072 $8M $85.80 $3M -11,677 -10.7%
88 QTRX 0.31% 1,899,308 $8M $4.32 -$2M -1,046,515 -35.5%
89 TGEN 0.31% 1,551,113 $8M $5.22 $7M +1,107,558 +249.7%
90 HQY 0.31% 89,274 $8M $90.32 -$431K -12,372 -12.2%
91 TSEM 0.30% 30,557 $8M $260.64 $2M -1,486 -4.6%
92 CSTL 0.30% 328,818 $8M $23.85 -$25M -1,021,465 -75.7%
93 SILC 0.30% 162,466 $8M $47.94 — +162,466 — NEW
94 CIEN 0.29% 15,272 $7M $490.56 $323K -3,194 -17.3%
95 EBAY 0.28% 65,741 $7M $111.75 -$4M -60,355 -47.9%
96 RBA 0.28% 63,009 $7M $116.45 — +63,009 — NEW
97 XMTR 0.27% 73,163 $7M $96.52 — +73,163 — NEW
98 MBLY 0.27% 721,338 $7M $9.68 $2M +43,203 +6.4%
99 WLDN 0.25% 84,394 $7M $79.10 -$518K -9,570 -10.2%
100 HNST 0.24% 1,740,146 $6M $3.66 -$3M -1,305,688 -42.9%

New Positions

SymbolValue% Port
PENG $42M 1.58%
SRAD $27M 1.04%
BAND $26M 1.00%
KTB $24M 0.93%
ECPG $24M 0.91%
BB $22M 0.83%
IFF $21M 0.81%
VSH $19M 0.72%
COHU $15M 0.58%
TENB $14M 0.55%
GEHC $14M 0.54%
CXT $14M 0.53%
HZO $13M 0.48%
QMCO $11M 0.43%
RACE $11M 0.41%

Sold Out Positions

SymbolValue% Port
AMPY — —%
CNR — —%
CRCL — —%
GDOT — —%
PBF — —%
MUSA — —%
XPEV — —%
XZO — —%
KOS — —%
PRIM — —%
NOG — —%
PUMP — —%
CRGY — —%
MIAX — —%
FPS — —%
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