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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
+29.33%
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
$1.31B
AUM Growth
+$169M
Cap. Flow
-$109M
Cap. Flow %
-8.31%
Top 10 Hldgs %
24.79%
Holding
151
New
24
Increased
53
Reduced
38
Closed
35

Top Buys

Rank Stock Value
1
KTOS icon
Kratos Defense & Security Solutions
KTOS
+$15.5M
2
MU icon
Micron Technology
MU
+$14.5M
3
PBPB
Potbelly
PBPB
+$14.3M
4
WDC icon
Western Digital
WDC
+$13.8M
5
IIIV icon
i3 Verticals
IIIV
+$13.3M

Top Sells

Rank Stock Value
1
SMCI icon
Super Micro Computer
SMCI
+$145M
2
ELF icon
e.l.f. Beauty
ELF
+$29M
3
MOD icon
Modine Manufacturing
MOD
+$25.4M
4
PDD icon
Pinduoduo
PDD
+$11.8M
5
VKTX icon
Viking Therapeutics
VKTX
+$10.8M

Sector Composition

Rank Sector Weight
1 Technology 35.49%
2 Healthcare 19.7%
3 Industrials 12.45%
4 Consumer Discretionary 9.8%
5 Consumer Staples 6.61%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SMCI icon
1
Super Micro Computer
SMCI
$19.5B
$45.5M 3.47%
450,800
-1,977,840
-81% -$145M
CLS icon
2
Celestica
CLS
$35.1B
$45M 3.42%
1,000,489
-233,535
-19% -$8.86M
LNTH icon
3
Lantheus
LNTH
$6.82B
$32.7M 2.49%
525,742
+98,498
+23% +$5.8M
ELF icon
4
e.l.f. Beauty
ELF
$4.56B
$32.7M 2.49%
166,704
-163,322
-49% -$29M
BIO icon
5
Bio-Rad Laboratories Class A
BIO
$8.42B
$31.5M 2.4%
90,992
+33,718
+59% +$11.1M
HNST icon
6
The Honest Company
HNST
$417M
$30.3M 2.31%
7,488,703
-68,282
-0.9% -$230K
KTOS icon
7
Kratos Defense & Security Solutions
KTOS
$8.88B
$29.1M 2.22%
1,584,691
+848,674
+115% +$15.5M
QTRX icon
8
Quanterix
QTRX
$173M
$27.4M 2.09%
1,162,829
-134,261
-10% -$3.33M
ZETA icon
9
Zeta Global
ZETA
$4.77B
$25.7M 1.96%
2,349,462
+1,028,125
+78% +$10.3M
WDC icon
10
Western Digital
WDC
$179B
$25.6M 1.95%
496,310
+315,314
+174% +$13.8M
MOD icon
11
Modine Manufacturing
MOD
$12.8B
$25.6M 1.95%
268,900
-328,857
-55% -$25.4M
UTHR icon
12
United Therapeutics
UTHR
$26.3B
$25.5M 1.94%
110,922
+19,114
+21% +$4.31M
SG icon
13
Sweetgreen
SG
$713M
$25.2M 1.92%
997,525
+14,272
+1% +$208K
CSTL icon
14
Castle Biosciences
CSTL
$749M
$23.1M 1.76%
1,043,410
+314,757
+43% +$6.85M
NVT icon
15
nVent Electric
NVT
$24.5B
$21.5M 1.64%
285,196
+204,499
+253% +$13.1M
IIIV icon
16
i3 Verticals
IIIV
$395M
$21.2M 1.61%
925,182
+639,166
+223% +$13.3M
BIDU icon
17
Baidu
BIDU
$35.8B
$20.3M 1.54%
192,422
+92,421
+92% +$9.84M
AAOI icon
18
Applied Optoelectronics
AAOI
$8.04B
$19.9M 1.51%
1,434,900
-104,183
-7% -$1.76M
WKME
19
DELISTED
WalkMe Ltd. Ordinary Shares
WKME
$19.5M 1.49%
2,272,092
+409,043
+22% +$3.98M
CROX icon
20
Crocs
CROX
$6.69B
$19.2M 1.46%
133,196
+25,693
+24% +$2.93M
TGLS icon
21
Tecnoglass
TGLS
$2.01B
$19.1M 1.45%
366,228
-115,635
-24% -$5.32M
MU icon
22
Micron Technology
MU
$1.04T
$18.8M 1.43%
+159,744
New +$14.5M
AEM icon
23
Agnico Eagle Mines
AEM
$72.6B
$18.6M 1.42%
311,675
-123,601
-28% -$6.33M
NTRA icon
24
Natera
NTRA
$37.5B
$18.4M 1.4%
201,218
+108,792
+118% +$8.18M
SMWB icon
25
Similarweb
SMWB
$551M
$18.4M 1.4%
2,040,602
+128,330
+7% +$948K
1
2 3 4 5

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Portolan Capital Management's Q1 2024 Portfolio in Review

As of Q1 2024, Portolan Capital Management held 151 positions worth $1.31B, up 15% from $1.14B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

Portolan Capital Management withdrew a net $109M in Q1 2024, closing 35 positions and reducing 38 holdings. Its most notable exit was Pinduoduo, an estimated $11.8M position sold in full.

By sector, the portfolio is most concentrated in Technology at 35% of assets, down from 37% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, Portolan Capital Management opened a new position in Micron Technology worth $18.8M.

  • Portolan Capital Management's largest Q1 2024 buy was Micron Technology: 159,744 shares worth $18.8M.
  • Portolan Capital Management added most to Kratos Defense & Security Solutions in Q1 2024, an estimated $15.5M increase.
  • Portolan Capital Management's biggest Q1 2024 reduction was Super Micro Computer, cutting an estimated $145M.
  • Portolan Capital Management fully exited Pinduoduo in Q1 2024, selling an estimated $11.8M.
  • Portolan Capital Management's ten largest holdings make up 25% of its $1.31B portfolio in Q1 2024.
  • Portolan Capital Management opened 24 new positions and closed 35 in Q1 2024.
  • Portolan Capital Management's portfolio value rose 15% quarter-over-quarter to $1.31B.

Based on Portolan Capital Management's 13F filing for Q1 2024, filed 15 May 2024.