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Portolan Capital Management Portfolio holdings

AUM $1.88B
1-Year Est. Return 115.74%
This Fund
S&P 500
This Quarter Est. Return
-7.33%
1 Year Est. Return
+115.74%
3 Year Est. Return
+581.85%
5 Year Est. Return
+1,047.01%
10 Year Est. Return
+13,266.68%
AUM
$1.32B
AUM Growth
-$171M
Cap. Flow
+$6.7M
Cap. Flow %
0.51%
Top 10 Hldgs %
30.96%
Holding
152
New
21
Increased
53
Reduced
35
Closed
43

Top Buys

Rank Stock Value
1
FOUR icon
Shift4
FOUR
+$27.4M
2
LQDT icon
Liquidity Services
LQDT
+$20.8M
3
TREE icon
LendingTree
TREE
+$19.5M
4
SLM icon
SLM Corp
SLM
+$17.9M
5
MOD icon
Modine Manufacturing
MOD
+$16.2M

Top Sells

Rank Stock Value
1
SMTC icon
Semtech
SMTC
+$29.5M
2
SNAP icon
Snap
SNAP
+$25.4M
3
CLS icon
Celestica
CLS
+$24.8M
4
TLN
Talen Energy Corp
TLN
+$24.2M
5
RDDT icon
Reddit
RDDT
+$20.9M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 19.83%
2 Technology 19.27%
3 Healthcare 18.26%
4 Financials 13.39%
5 Industrials 9.58%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
POWL icon
51
Powell Industries
POWL
$7.71B
$9.07M 0.69%
159,672
+121,893
+323% +$8.5M
TTWO icon
52
Take-Two Interactive
TTWO
$46.1B
$8.86M 0.67%
42,729
+233
+0.5% +$46.6K
LUCK
53
Lucky Strike Entertainment
LUCK
$911M
$8.59M 0.65%
880,427
-548,830
-38% -$5.75M
GES
54
DELISTED
Guess Inc
GES
$8.59M 0.65%
+776,182
New +$9.37M
TLN
55
Talen Energy Corp
TLN
$16.7B
$8.52M 0.65%
42,670
-111,711
-72% -$24.2M
UPWK icon
56
Upwork
UPWK
$1.19B
$8.41M 0.64%
+644,548
New +$9.82M
PSIX
57
Power Solutions International
PSIX
$942M
$7.49M 0.57%
296,442
-44,845
-13% -$1.55M
GPOR icon
58
Gulfport Energy Corp
GPOR
$2.88B
$7.46M 0.57%
+40,488
New +$7.35M
CDNA icon
59
CareDx
CDNA
$2.42B
$7.31M 0.56%
+411,683
New +$8.87M
META icon
60
Meta Platforms (Facebook)
META
$1.51T
$7.17M 0.55%
12,443
-2,264
-15% -$1.46M
ZGN icon
61
Zegna
ZGN
$4B
$7.08M 0.54%
957,202
+551,465
+136% +$4.55M
HZO icon
62
MarineMax
HZO
$788M
$6.93M 0.53%
322,105
+110,145
+52% +$2.94M
NTGR icon
63
NETGEAR
NTGR
$635M
$6.92M 0.53%
283,092
+90,878
+47% +$2.39M
LIND icon
64
Lindblad Expeditions
LIND
$2.22B
$6.39M 0.49%
689,246
+144,973
+27% +$1.65M
MRX
65
Marex Group Limited Ordinary Shares
MRX
$4.37B
$6.15M 0.47%
174,196
-49,418
-22% -$1.72M
HCAT icon
66
Health Catalyst
HCAT
$128M
$5.97M 0.45%
1,317,079
+568,050
+76% +$3.01M
CTOS icon
67
Custom Truck One Source
CTOS
$2.37B
$5.9M 0.45%
1,397,327
-54,246
-4% -$262K
BV icon
68
BrightView Holdings
BV
$1.07B
$5.41M 0.41%
421,336
+94,662
+29% +$1.36M
GDOT icon
69
Green Dot
GDOT
$745M
$5.37M 0.41%
+636,067
New +$5.39M
BIO icon
70
Bio-Rad Laboratories Class A
BIO
$9.42B
$5.29M 0.4%
21,740
-8,846
-29% -$2.66M
TGLS icon
71
Tecnoglass Holdings Inc.
TGLS
$1.96B
$5.23M 0.4%
73,148
-40,885
-36% -$3.04M
CELH icon
72
Celsius Holdings
CELH
$7.03B
$5.08M 0.39%
+142,549
New +$3.88M
CADL icon
73
Candel Therapeutics
CADL
$776M
$4.98M 0.38%
881,184
+127,439
+17% +$1.04M
GEN icon
74
Gen Digital
GEN
$17.5B
$4.97M 0.38%
+187,169
New +$5.13M
WRBY icon
75
Warby Parker
WRBY
$3.27B
$4.88M 0.37%
267,675
-174,109
-39% -$4.15M
1 2
3
4 5

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Portolan Capital Management's Q1 2025 Portfolio in Review

As of Q1 2025, Portolan Capital Management held 152 positions worth $1.32B, down 12% from $1.49B the previous quarter. Its ten largest holdings account for 31% of the portfolio.

Portolan Capital Management's Q1 2025 filing shows 21 new, 53 increased, 35 reduced and 43 closed positions. Its largest new stake was Liquidity Services: 626,358 shares worth $19.4M. The largest sale was Semtech, an estimated $29.5M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 20% of assets, up from 17% a quarter earlier, followed by Technology and Healthcare.

  • Portolan Capital Management's largest Q1 2025 buy was Liquidity Services: 626,358 shares worth $19.4M.
  • Portolan Capital Management added most to Shift4 in Q1 2025, an estimated $27.4M increase.
  • Portolan Capital Management's biggest Q1 2025 reduction was Semtech, cutting an estimated $29.5M.
  • Portolan Capital Management fully exited Snap in Q1 2025, selling an estimated $25.4M.
  • Portolan Capital Management's ten largest holdings make up 31% of its $1.32B portfolio in Q1 2025.
  • Portolan Capital Management opened 21 new positions and closed 43 in Q1 2025.
  • Portolan Capital Management's portfolio value fell 12% quarter-over-quarter to $1.32B.

Based on Portolan Capital Management's 13F filing for Q1 2025, filed 15 May 2025.