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Latest Portolan Capital Management, LLC Stock Portfolio

$2.67Billion | No. of Holdings #148

Portolan Capital Management, LLC Performance

2026 Q2+26.26%
YTD+27.19%
2025+17.31%

About Portolan Capital Management, LLC and 13F Hedge Fund Stock Holdings

On 2026-08-14, the fund reported it's updated stock portfolio. In the 13F Holdings report, Portolan Capital Management, LLC reported an equity portfolio of $2.7 Billions as of 30 Jun, 2026. <br><br> The top stock holdings of Portolan Capital Management, LLC are VPG, VIRT, TTMI. The fund has invested 5.7% of it's portfolio in VISHAY PRECISION GROUP INC and 4.8% of portfolio in VIRTU FINL INC. <br><br> The fund managers got completely rid off PBF ENERGY INC (PBF), CRESCENT ENERGY COMPANY (CRGY) and CORE NATURAL RESOURCES INC stocks. They significantly reduced their stock positions in OPEN LENDING CORP (LPRO), TALOS ENERGY INC (TALO) and TELIX PHARMACEUTICAL LTD. Portolan Capital Management, LLC opened new stock positions in PENGUIN SOLUTIONS INC, SPORTRADAR GROUP AG (SRAD) and BANDWIDTH INC (BAND). The fund showed a lot of confidence in some stocks as they added substantially to OSHKOSH CORP (OSK), TRANSMEDICS GROUP INC (TMDX) and SHIFT4 PMTS INC (FOUR).
Portolan Capital Management, LLC Equity Portfolio Value
Last Reported on: 14 Aug, 2026
$2.67Billion
  as of Aug 14, 2026

Portolan Capital Management, LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Portolan Capital Management, LLC made a return of 26.26% in the last quarter. In trailing 12 months, it's portfolio return was 45.32%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
penguin solutions inc41,514,600
sportradar group ag27,244,600
bandwidth inc26,124,000
kontoor brands inc24,344,900
encore cap group inc23,855,700
blackberry ltd21,687,900
international flavors&fragra21,328,300
vishay intertechnology inc18,904,500
New stocks bought by Portolan Capital Management, LLC

Additions

Ticker% Inc.
oshkosh corp766
transmedics group inc670
shift4 pmts inc419
solaris energy infras inc284
tapestry inc262
tecogen inc new249
zeta global holdings corp209
bio rad labs inc200
Additions to existing portfolio by Portolan Capital Management, LLC

Reductions

Ticker% Reduced
open lending corp-97.35
talos energy inc-96.14
telix pharmaceutical ltd-95.3
american superconductor corp-90.08
fabrinet-88.28
digitalbridge group inc-84.79
ies holdings inc-83.65
hafnia ltd-81.16
Portolan Capital Management, LLC reduced stake in above stock

Sold off

Ticker$ Sold
repay hldgs corp-7,426,060
crescent energy company-35,115,400
upwork inc-17,213,300
vnet group inc-6,925,860
pbf energy inc-38,095,900
personalis inc-4,692,860
draganfly inc.-3,352,200
kosmos energy ltd-1,675,070
Portolan Capital Management, LLC got rid off the above stocks

Sector Distribution

Portolan Capital Management, LLC has about 35.5% of it's holdings in Technology sector.

  • Technology
  • Others
  • Industrials
  • Healthcare
  • Consumer Cyclical
  • Financial Services
  • Basic Materials
  • Communication Services
Sector%
Technology35.5
Others22.5
Industrials10.2
Healthcare10.1
Consumer Cyclical7.7
Financial Services7.5
Basic Materials2.2
Communication Services1.9

Market Cap. Distribution

Portolan Capital Management, LLC has about 17.6% of it's portfolio invested in the large-cap and mega-cap stocks.

  • MID-CAP
  • UNALLOCATED
  • SMALL-CAP
  • LARGE-CAP
  • MICRO-CAP
Category%
MID-CAP40.2
UNALLOCATED21.1
SMALL-CAP19.1
LARGE-CAP17.6
MICRO-CAP1.4

Stocks belong to which Index?

About 53% of the stocks held by Portolan Capital Management, LLC either belong to S&P 500 or RUSSELL 2000 index.

  • RUSSELL 2000
  • Others
  • S&P 500
Index%
RUSSELL 200047.4
Others47.1
S&P 5005.6
Top 5 Winners (%)%
VPG
vishay precision group inc
243.8 %
DAVE
dave inc
114.0 %
UCTT
ultra clean hldgs inc
112.3 %
FLEX
flex ltd
111.9 %
SMTC
semtech corp
104.2 %
Top 5 Winners ($)$
VPG
vishay precision group inc
108.0 M
TTMI
ttm technologies inc
55.3 M
FLEX
flex ltd
32.5 M
SMTC
semtech corp
26.6 M
VIRT
virtu finl inc
26.1 M
Top 5 Losers (%)%
GCT
gigacloud technology inc
-28.1 %
REAX
the real brokerage inc
-23.9 %
TMDX
transmedics group inc
-21.9 %
GDS
gds hldgs ltd
-20.3 %
DAN
dana inc
-18.8 %
Top 5 Losers ($)$
REAX
the real brokerage inc
-8.7 M
GOOS
canada goose hldgs inc
-4.4 M
UTHR
united therapeutics corp del
-3.7 M
KRUS
kura sushi usa inc
-3.7 M
PARR
par pac holdings inc
-3.4 M

Portolan Capital Management, LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Portolan Capital Management, LLC

Portolan Capital Management, LLC has 148 stocks in it's portfolio. About 29% of the portfolio is in top 10 stocks. REAX proved to be the most loss making stock for the portfolio. VPG was the most profitable stock for Portolan Capital Management, LLC last quarter.

$2.67BTotal Value
180Positions
14 Aug, 2026Last Reported
Current holdings of Current Stock Holdings of Portolan Capital Management, LLC, last reported on 14 Aug, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change
BELFB
Bel Fuse Inc

Bel Fuse Inc

BELFB
Portolan Capital Management, LLC's holding in Bel Fuse Inc over time
0.6%47,856
$15.94M
0.6%
decreased 9.99 percentreduced
BIDU
Baidu Inc

Baidu Inc

BIDU
Portolan Capital Management, LLC's holding in Baidu Inc over time
0.41%95,863
$10.96M
0.41%
decreased 73.84 percentreduced