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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
+20.72%
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
$1.38B
AUM Growth
+$165M
Cap. Flow
+$31.8M
Cap. Flow %
2.3%
Top 10 Hldgs %
28.62%
Holding
153
New
36
Increased
48
Reduced
45
Closed
24

Top Buys

Rank Stock Value
1
TLN
Talen Energy Corp
TLN
+$31.2M
2
RDNT icon
RadNet
RDNT
+$24.6M
3
GDS icon
GDS Holdings
GDS
+$18.4M
4
ALGN icon
Align Technology
ALGN
+$14.2M
5
GEHC icon
GE HealthCare
GEHC
+$11.5M

Top Sells

Rank Stock Value
1
SMCI icon
Super Micro Computer
SMCI
+$15.4M
2
WDC icon
Western Digital
WDC
+$14.8M
3
NVT icon
nVent Electric
NVT
+$14.5M
4
AIG icon
American International
AIG
+$14.5M
5
SIMO icon
Silicon Motion
SIMO
+$13.8M

Sector Composition

Rank Sector Weight
1 Healthcare 27.22%
2 Technology 25.73%
3 Consumer Discretionary 11.84%
4 Industrials 10.67%
5 Communication Services 6.85%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LNTH icon
1
Lantheus
LNTH
$6.82B
$73.6M 5.34%
670,881
+38,776
+6% +$4.03M
ZETA icon
2
Zeta Global
ZETA
$4.77B
$41.9M 3.04%
1,405,132
-514,058
-27% -$12.1M
KTOS icon
3
Kratos Defense & Security Solutions
KTOS
$8.88B
$41.4M 3%
1,776,740
+146,319
+9% +$3.16M
TLN
4
Talen Energy Corp
TLN
$17.2B
$39.4M 2.86%
+221,145
New +$31.2M
CLS icon
5
Celestica
CLS
$35.1B
$37.4M 2.71%
730,946
-22,170
-3% -$1.15M
CSTL icon
6
Castle Biosciences
CSTL
$749M
$35.8M 2.6%
1,255,628
+44,676
+4% +$1.14M
RDNT icon
7
RadNet
RDNT
$4.84B
$34.1M 2.47%
491,358
+390,011
+385% +$24.6M
QTRX icon
8
Quanterix
QTRX
$173M
$32.7M 2.37%
2,520,686
+602,656
+31% +$8.05M
PHAT icon
9
Phathom Pharmaceuticals
PHAT
$912M
$30.7M 2.23%
1,699,918
+569,829
+50% +$7.96M
MOD icon
10
Modine Manufacturing
MOD
$12.8B
$27.7M 2.01%
208,766
-70,059
-25% -$7.74M
HNST icon
11
The Honest Company
HNST
$417M
$27.4M 1.98%
7,668,350
-437,007
-5% -$1.64M
GDS icon
12
GDS Holdings
GDS
$6.34B
$26.6M 1.93%
+1,302,533
New +$18.4M
GENI icon
13
Genius Sports
GENI
$1.73B
$24.9M 1.8%
3,170,891
+272,545
+9% +$1.89M
CDMO
14
DELISTED
Avid Bioservices, Inc. Common Stock
CDMO
$23.8M 1.73%
2,093,991
+273,212
+15% +$2.74M
CLBT icon
15
Cellebrite
CLBT
$3.54B
$20.6M 1.49%
1,224,020
+203,068
+20% +$3.01M
TGLS icon
16
Tecnoglass
TGLS
$2.01B
$20M 1.45%
290,880
-2,707
-0.9% -$157K
SG icon
17
Sweetgreen
SG
$713M
$19.7M 1.43%
555,569
+135,694
+32% +$4.12M
TTMI icon
18
TTM Technologies
TTMI
$13.6B
$19.4M 1.4%
1,061,370
-131,310
-11% -$2.53M
KMPR icon
19
Kemper
KMPR
$1.7B
$19.2M 1.39%
313,300
+26,984
+9% +$1.66M
ACMR icon
20
ACM Research
ACMR
$5.83B
$18.7M 1.36%
921,451
+65,616
+8% +$1.26M
KRUS icon
21
Kura Sushi USA
KRUS
$537M
$17.4M 1.26%
216,530
+28,655
+15% +$1.82M
EXTR icon
22
Extreme Networks
EXTR
$3.86B
$15.9M 1.16%
1,060,828
+700,724
+195% +$9.93M
AMPH icon
23
Amphastar Pharmaceuticals
AMPH
$825M
$15.9M 1.15%
327,764
+218,901
+201% +$9.61M
ALGN icon
24
Align Technology
ALGN
$12B
$15.4M 1.11%
+60,386
New +$14.2M
QNST icon
25
QuinStreet
QNST
$870M
$15.3M 1.11%
801,693
+70,408
+10% +$1.28M
1
2 3 4 5

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Portolan Capital Management's Q3 2024 Portfolio in Review

As of Q3 2024, Portolan Capital Management held 153 positions worth $1.38B, up 14% from $1.21B the previous quarter. Its ten largest holdings account for 29% of the portfolio.

Portolan Capital Management's Q3 2024 filing shows 36 new, 48 increased, 45 reduced and 24 closed positions. Its largest new stake was Talen Energy Corp: 221,145 shares worth $39.4M. The largest sale was Super Micro Computer, an estimated $15.4M.

By sector, the portfolio is most concentrated in Healthcare at 27% of assets, up from 21% a quarter earlier, followed by Technology and Consumer Discretionary.

  • Portolan Capital Management's largest Q3 2024 buy was Talen Energy Corp: 221,145 shares worth $39.4M.
  • Portolan Capital Management added most to RadNet in Q3 2024, an estimated $24.6M increase.
  • Portolan Capital Management's biggest Q3 2024 reduction was Super Micro Computer, cutting an estimated $15.4M.
  • Portolan Capital Management fully exited American International in Q3 2024, selling an estimated $14.5M.
  • Portolan Capital Management's ten largest holdings make up 29% of its $1.38B portfolio in Q3 2024.
  • Portolan Capital Management opened 36 new positions and closed 24 in Q3 2024.
  • Portolan Capital Management's portfolio value rose 14% quarter-over-quarter to $1.38B.

Based on Portolan Capital Management's 13F filing for Q3 2024, filed 14 Nov 2024.