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Portolan Capital Management Portfolio holdings

AUM $2.67B
1-Year Est. Return 169.09%
This Fund
S&P 500
This Quarter Est. Return
+3.72%
1 Year Est. Return
+169.09%
3 Year Est. Return
+737.83%
5 Year Est. Return
+1,497.12%
10 Year Est. Return
+21,256.61%
AUM
$1.21B
AUM Growth
-$98.5M
Cap. Flow
-$79M
Cap. Flow %
-6.5%
Top 10 Hldgs %
27.39%
Holding
137
New
21
Increased
36
Reduced
59
Closed
20

Top Buys

Rank Stock Value
1
QTRX icon
Quanterix
QTRX
+$12.6M
2
PHAT icon
Phathom Pharmaceuticals
PHAT
+$11.6M
3
TTMI icon
TTM Technologies
TTMI
+$11.5M
4
ORN icon
Orion Group Holdings
ORN
+$11.2M
5
MRVI icon
Maravai LifeSciences
MRVI
+$10.1M

Top Sells

Rank Stock Value
1
BIO icon
Bio-Rad Laboratories Class A
BIO
+$19.2M
2
WKME
WalkMe Ltd. Ordinary Shares
WKME
+$19.1M
3
SG icon
Sweetgreen
SG
+$15.8M
4
UTHR icon
United Therapeutics
UTHR
+$14.8M
5
RCM
R1 RCM Inc. Common Stock
RCM
+$14.1M

Sector Composition

Rank Sector Weight
1 Technology 33.79%
2 Healthcare 21.3%
3 Industrials 12.49%
4 Consumer Discretionary 8.15%
5 Communication Services 6.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PBPB
76
DELISTED
Potbelly
PBPB
$5.96M 0.49%
741,766
-404,186
-35% -$3.74M
INSW icon
77
International Seaways
INSW
$5.14B
$5.51M 0.45%
93,191
-9,612
-9% -$560K
AKAM icon
78
Akamai
AKAM
$15.2B
$5.38M 0.44%
+59,716
New +$5.77M
HDL
79
Super Hi International Holding
HDL
$736M
$5.34M 0.44%
+296,540
New +$5.67M
KIDS icon
80
OrthoPediatrics
KIDS
$580M
$5.33M 0.44%
+185,329
New +$5.68M
CTOS icon
81
Custom Truck One Source
CTOS
$2.15B
$5.16M 0.42%
1,186,380
-57,902
-5% -$282K
NMM icon
82
Navios Maritime Partners
NMM
$2.56B
$5.16M 0.42%
101,090
+2,188
+2% +$102K
AOSL icon
83
Alpha and Omega Semiconductor
AOSL
$772M
$5.16M 0.42%
+137,995
New +$3.65M
NVGS icon
84
Navigator Holdings
NVGS
$1.38B
$5.01M 0.41%
287,156
-21,849
-7% -$352K
WRBY icon
85
Warby Parker
WRBY
$3.06B
$4.86M 0.4%
302,898
-694,986
-70% -$10.3M
EXTR icon
86
Extreme Networks
EXTR
$2.83B
$4.84M 0.4%
+360,104
New +$4.14M
FORR icon
87
Forrester Research
FORR
$232M
$4.52M 0.37%
264,877
-130,761
-33% -$2.4M
APLD icon
88
Applied Digital
APLD
$8.05B
$4.5M 0.37%
756,556
-449,764
-37% -$1.75M
TLS icon
89
Telos
TLS
$348M
$4.46M 0.37%
1,110,557
+372,938
+51% +$1.42M
WKME
90
DELISTED
WalkMe Ltd. Ordinary Shares
WKME
$4.38M 0.36%
313,839
-1,958,253
-86% -$19.1M
INVE icon
91
Identive
INVE
$65M
$4.36M 0.36%
1,014,886
-427,777
-30% -$2.03M
AMPH icon
92
Amphastar Pharmaceuticals
AMPH
$975M
$4.35M 0.36%
108,863
+17,858
+20% +$740K
ALT icon
93
Altimmune
ALT
$654M
$4.26M 0.35%
640,242
-247,013
-28% -$1.82M
VKTX icon
94
Viking Therapeutics
VKTX
$3.93B
$4.21M 0.35%
79,422
-18,161
-19% -$1.19M
OTLY
95
Oatly Group
OTLY
$431M
$4.12M 0.34%
+219,204
New +$4.66M
LMB icon
96
Limbach Holdings
LMB
$591M
$4.12M 0.34%
+72,352
New +$3.57M
AMKR icon
97
Amkor Technology
AMKR
$12.6B
$3.94M 0.32%
+98,394
New +$3.26M
HDSN
98
Hudson Technologies
HDSN
$225M
$3.89M 0.32%
442,896
-242,653
-35% -$2.35M
PCRX icon
99
Pacira BioSciences
PCRX
$1.03B
$3.77M 0.31%
+131,901
New +$3.75M
MTRX icon
100
Matrix Service
MTRX
$306M
$3.76M 0.31%
379,070
-344,248
-48% -$3.93M
2 3
4
5 6

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Portolan Capital Management's Q2 2024 Portfolio in Review

As of Q2 2024, Portolan Capital Management held 137 positions worth $1.21B, down 7.5% from $1.31B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Portolan Capital Management withdrew a net $79M in Q2 2024, closing 20 positions and reducing 59 holdings. Its most notable exit was R1 RCM Inc. Common Stock, an estimated $14.1M position sold in full.

By sector, the portfolio is most concentrated in Technology at 34% of assets, down from 35% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, Portolan Capital Management opened a new position in Phathom Pharmaceuticals worth $11.6M.

  • Portolan Capital Management's largest Q2 2024 buy was Phathom Pharmaceuticals: 1,130,089 shares worth $11.6M.
  • Portolan Capital Management added most to Quanterix in Q2 2024, an estimated $12.6M increase.
  • Portolan Capital Management's biggest Q2 2024 reduction was Bio-Rad Laboratories Class A, cutting an estimated $19.2M.
  • Portolan Capital Management fully exited R1 RCM Inc. Common Stock in Q2 2024, selling an estimated $14.1M.
  • Portolan Capital Management's ten largest holdings make up 27% of its $1.21B portfolio in Q2 2024.
  • Portolan Capital Management opened 21 new positions and closed 20 in Q2 2024.
  • Portolan Capital Management's portfolio value fell 7.5% quarter-over-quarter to $1.21B.

Based on Portolan Capital Management's 13F filing for Q2 2024, filed 14 Aug 2024.