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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
ORCL icon
101
Oracle
ORCL
$423B
$1.38M 0.1%
9,844
-67,371
-87% -$11M
GOOG icon
102
Alphabet (Google) Class C
GOOG
$4.32T
$995K 0.08%
6,367
+1,300
+26% +$238K
KIDS icon
103
OrthoPediatrics
KIDS
$595M
$851K 0.06%
34,553
-170,812
-83% -$4.22M
SKY icon
104
Champion Homes
SKY
$5.14B
$850K 0.06%
8,971
-25
-0.3% -$2.4K
VRT icon
105
Vertiv
VRT
$105B
$594K 0.05%
8,234
-72,397
-90% -$7.71M
PRIM icon
106
Primoris Services
PRIM
$4.45B
$588K 0.04%
10,240
-97,002
-90% -$7.01M
RDDT icon
107
Reddit
RDDT
$31.1B
$512K 0.04%
4,885
-126,737
-96% -$20.9M
SPWH icon
108
Sportsman's Warehouse
SPWH
$46M
$236K 0.02%
237,334
-2,096,914
-90% -$3.53M
PRTC
109
DELISTED
PureTech Health
PRTC
$235K 0.02%
+11,885
New +$217K
AAOI icon
110
Applied Optoelectronics
AAOI
$11.5B
– –
-336,907
Closed -$12.4M
ALTG icon
111
Alta Equipment Group
ALTG
$245M
– –
-850,309
Closed -$5.56M
OSG
112
Octave Specialty Group
OSG
$222M
– –
-589,437
Closed -$7.46M
AMPH icon
113
Amphastar Pharmaceuticals
AMPH
$916M
– –
-131,123
Closed -$4.87M
APLD icon
114
Applied Digital
APLD
$8.41B
– –
-365,398
Closed -$2.79M
BASE
115
DELISTED
Couchbase
BASE
– –
-331,561
Closed -$5.17M
BILL icon
116
BILL Holdings
BILL
$4.78B
– –
-98,676
Closed -$8.36M
BLDP
117
Ballard Power Systems
BLDP
$790M
– –
-1,510,772
Closed -$2.51M
BLFS icon
118
BioLife Solutions
BLFS
$1.7B
– –
-137,299
Closed -$3.56M
CACI icon
119
CACI
CACI
$14.2B
– –
-10,701
Closed -$4.32M
CORZ icon
120
Core Scientific
CORZ
$6.75B
– –
-1,025,508
Closed -$14.4M
DELL icon
121
Dell
DELL
$293B
– –
-87,822
Closed -$10.1M
DOUG icon
122
Douglas Elliman
DOUG
$162M
– –
-143,000
Closed -$239K
EXTR icon
123
Extreme Networks
EXTR
$3.15B
– –
-32,917
Closed -$551K
TDAY
124
USA Today Co
TDAY
$1.06B
– –
-570,973
Closed -$2.89M
GENK icon
125
GEN Restaurant Group
GENK
$10.5M
– –
-283,774
Closed -$2.12M
3 4
5
6 7

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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.