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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
LNTH icon
1
Lantheus
LNTH
$7.05B
$84.6M 6.43%
867,309
+54,679
+7% +$5.11M
SLM icon
2
SLM Corp
SLM
$4.74B
$44.4M 3.38%
1,512,274
+611,755
+68% +$17.9M
KTOS icon
3
Kratos Defense & Security Solutions
KTOS
$9.26B
$43.4M 3.3%
1,460,730
+112,653
+8% +$3.42M
GENI icon
4
Genius Sports
GENI
$1.88B
$42.9M 3.26%
4,281,255
+1,211,697
+39% +$11.2M
MOD icon
5
Modine Manufacturing
MOD
$12.1B
$37.9M 2.88%
493,575
+164,676
+50% +$16.2M
FOUR icon
6
Shift4
FOUR
$3.96B
$33.2M 2.52%
406,499
+265,528
+188% +$27.4M
EBAY icon
7
eBay
EBAY
$50B
$32.1M 2.44%
474,658
+236,526
+99% +$15.8M
GTES icon
8
Gates Industrial Corporation Ltd.
GTES
$6.65B
$31.9M 2.42%
1,731,408
+614,170
+55% +$12.7M
CLS icon
9
Celestica
CLS
$34.6B
$31M 2.35%
392,920
-234,021
-37% -$24.8M
HNST icon
10
The Honest Company
HNST
$422M
$25.9M 1.97%
5,519,206
+160,205
+3% +$918K
CSTL icon
11
Castle Biosciences
CSTL
$731M
$25.3M 1.93%
1,265,223
+488,644
+63% +$12.1M
ELF icon
12
e.l.f. Beauty
ELF
$4.78B
$24.8M 1.89%
395,252
+165,254
+72% +$14.4M
OPRA
13
Opera Ltd
OPRA
$1.71B
$24.4M 1.85%
1,529,691
+781,342
+104% +$14.5M
PRCH icon
14
Porch Group
PRCH
$1.38B
$24M 1.82%
3,292,276
+992,641
+43% +$5.38M
RDNT icon
15
RadNet
RDNT
$4.89B
$23.8M 1.81%
478,406
+54,066
+13% +$3.2M
TREE icon
16
LendingTree
TREE
$564M
$22.1M 1.68%
+438,795
New +$19.5M
TTMI icon
17
TTM Technologies
TTMI
$12.9B
$20.9M 1.59%
1,021,297
-280,045
-22% -$6.77M
CROX icon
18
Crocs
CROX
$6.65B
$20.6M 1.57%
194,210
+112,780
+138% +$11.7M
DBRG icon
19
DigitalBridge
DBRG
$2.94B
$20M 1.52%
2,266,652
+1,474,720
+186% +$15.5M
LUXE
20
LuxExperience B.V.
LUXE
$1.14B
$19.9M 1.51%
2,628,728
+725,443
+38% +$6.72M
VPG icon
21
Vishay Precision Group
VPG
$1.33B
$19.8M 1.5%
820,973
+328,772
+67% +$7.68M
IIIV icon
22
i3 Verticals
IIIV
$405M
$19.5M 1.48%
789,156
+113,021
+17% +$2.86M
LQDT icon
23
Liquidity Services
LQDT
$1.2B
$19.4M 1.48%
+626,358
New +$20.8M
QTRX icon
24
Quanterix
QTRX
$177M
$19.3M 1.47%
2,963,397
+375,573
+15% +$3.13M
CLBT icon
25
Cellebrite
CLBT
$3.71B
$19.2M 1.46%
988,992
+74,136
+8% +$1.56M
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.