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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
MYGN icon
76
Myriad Genetics
MYGN
$315M
$4.88M 0.37%
+549,922
New +$6.6M
ECPG icon
77
Encore Capital Group
ECPG
$2.08B
$4.82M 0.37%
140,726
-74,697
-35% -$3.26M
KOS icon
78
Kosmos Energy
KOS
$1.5B
$4.59M 0.35%
2,011,814
+394,308
+24% +$1.16M
DOMO icon
79
Domo
DOMO
$184M
$4.53M 0.34%
+584,277
New +$4.68M
OPRT icon
80
Oportun Financial
OPRT
$362M
$4.49M 0.34%
+818,354
New +$4.5M
RMNI icon
81
Rimini Street
RMNI
$463M
$4.3M 0.33%
+1,235,224
New +$4M
TPB icon
82
Turning Point Brands
TPB
$1.8B
$4.19M 0.32%
70,451
+6,940
+11% +$430K
REAX icon
83
Real Brokerage
REAX
$464M
$4.15M 0.32%
+1,023,099
New +$4.86M
ESTA icon
84
Establishment Labs
ESTA
$2.27B
$4.11M 0.31%
100,829
-93,162
-48% -$3.47M
GEHC icon
85
GE HealthCare
GEHC
$33B
$3.83M 0.29%
+47,443
New +$4.08M
FIVN icon
86
FIVE9
FIVN
$2.51B
$3.75M 0.29%
+138,255
New +$5.07M
VKTX icon
87
Viking Therapeutics
VKTX
$4.02B
$3.35M 0.25%
138,748
+10,328
+8% +$326K
INVE icon
88
Identive
INVE
$61.9M
$3.33M 0.25%
1,044,652
-2,272
-0.2% -$7.97K
TMDX icon
89
Transmedics
TMDX
$2.99B
$3.2M 0.24%
+47,536
New +$3.27M
PACK icon
90
Ranpak Holdings
PACK
$458M
$3.11M 0.24%
+573,622
New +$3.77M
SMWB icon
91
Similarweb
SMWB
$645M
$3.06M 0.23%
370,191
+87,288
+31% +$1.08M
NTRA icon
92
Natera
NTRA
$45.3B
$2.91M 0.22%
20,559
-18,035
-47% -$2.9M
RELY icon
93
Remitly
RELY
$4.99B
$2.65M 0.2%
127,227
-567,015
-82% -$13M
EVER icon
94
EverQuote
EVER
$893M
$2.63M 0.2%
+100,552
New +$2.3M
FORR icon
95
Forrester Research
FORR
$221M
$2.59M 0.2%
280,114
+28,641
+11% +$364K
SMTC icon
96
Semtech
SMTC
$12.7B
$2.38M 0.18%
69,307
-597,904
-90% -$29.5M
MSFT icon
97
Microsoft
MSFT
$3.78T
$2.18M 0.17%
5,797
-1,051
-15% -$429K
GCO icon
98
Genesco
GCO
$435M
$1.88M 0.14%
88,732
-375,533
-81% -$13.1M
BXC icon
99
BlueLinx
BXC
$702M
$1.83M 0.14%
24,393
-10,668
-30% -$991K
CWST icon
100
Casella Waste Systems
CWST
$5.73B
$1.71M 0.13%
15,303
-34
-0.2% -$3.72K
2 3
4
5 6

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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.