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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
+42.48%
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
$1.27B
AUM Growth
+$173M
Cap. Flow
-$63.4M
Cap. Flow %
-4.98%
Top 10 Hldgs %
18.59%
Holding
197
New
33
Increased
47
Reduced
62
Closed
46

Top Sells

Rank Stock Value
1
STKL
SunOpta
STKL
+$19.1M
2
STMP
Stamps.com, Inc.
STMP
+$16.8M
3
DAC icon
Danaos Corp
DAC
+$16.1M
4
ENVA icon
Enova International
ENVA
+$11.4M
5
AMBA icon
Ambarella
AMBA
+$11.3M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 24.28%
2 Industrials 21.49%
3 Technology 14.47%
4 Financials 10.51%
5 Consumer Staples 7.33%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
WDC icon
76
Western Digital
WDC
$150B
$7.04M 0.55%
+139,606
New +$6.53M
TPIC
77
DELISTED
TPI Composites
TPIC
$7M 0.55%
124,022
-1,428
-1% -$85.9K
BIO icon
78
Bio-Rad Laboratories Class A
BIO
$9.42B
$6.9M 0.54%
12,088
-31
-0.3% -$18.4K
TRTN
79
DELISTED
Triton International Limited
TRTN
$6.79M 0.53%
123,429
-36,015
-23% -$1.93M
RMNI icon
80
Rimini Street
RMNI
$471M
$6.74M 0.53%
+751,224
New +$5.81M
GFF icon
81
Griffon
GFF
$4.86B
$6.67M 0.52%
245,331
+41,557
+20% +$1.03M
SONO icon
82
Sonos
SONO
$1.85B
$6.63M 0.52%
176,964
-116,522
-40% -$3.93M
CALX icon
83
Calix
CALX
$2.39B
$6.56M 0.52%
+189,335
New +$7.01M
ERII icon
84
Energy Recovery
ERII
$443M
$6.46M 0.51%
352,417
+29,341
+9% +$470K
EXPE icon
85
Expedia Group
EXPE
$37.3B
$6.45M 0.51%
+37,451
New +$5.76M
ROCK icon
86
Gibraltar Industries
ROCK
$1.49B
$6.4M 0.5%
69,976
-917
-1% -$84.1K
LGIH icon
87
LGI Homes
LGIH
$1.4B
$6.4M 0.5%
42,865
-233
-0.5% -$28K
TALO icon
88
Talos Energy
TALO
$2.4B
$6.31M 0.5%
524,093
+508,393
+3,238% +$5.48M
PPLI
89
People Inc
PPLI
$3.1B
$6.29M 0.49%
53,275
-25,957
-33% -$3.22M
MTRN icon
90
Materion
MTRN
$6.04B
$6.28M 0.49%
+94,866
New +$6.58M
ASAP
91
DELISTED
Waitr Holdings Inc. Common Stock
ASAP
$6.2M 0.49%
105,786
+47,305
+81% +$3.14M
QUOT
92
DELISTED
Quotient Technology Inc
QUOT
$6.16M 0.48%
+376,677
New +$4.65M
HALO icon
93
Halozyme
HALO
$12.2B
$6.1M 0.48%
146,239
-62,661
-30% -$2.86M
CMBT
94
CMB.TECH NV
CMBT
$4.73B
$6.05M 0.47%
660,886
+366,794
+125% +$3.23M
TCS
95
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$6.04M 0.47%
24,204
-4,445
-16% -$993K
AKTS
96
DELISTED
Akoustis Technologies Inc
AKTS
$5.93M 0.47%
444,364
-453,578
-51% -$6.59M
ZUMZ icon
97
Zumiez
ZUMZ
$339M
$5.89M 0.46%
137,406
-778
-0.6% -$34.6K
STC icon
98
Stewart Information Services
STC
$2.08B
$5.72M 0.45%
109,921
+45,827
+71% +$2.33M
HEES
99
DELISTED
H&E Equipment Services
HEES
$5.56M 0.44%
146,237
+33,753
+30% +$1.08M
SCTL
100
DELISTED
Societal CDMO, Inc. Common Stock
SCTL
$5.46M 0.43%
1,957,283
+663,907
+51% +$2.39M

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Portolan Capital Management's Q1 2021 Portfolio in Review

As of Q1 2021, Portolan Capital Management held 197 positions worth $1.27B, up 16% from $1.1B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

Portolan Capital Management withdrew a net $63.4M in Q1 2021, closing 46 positions and reducing 62 holdings. Its most notable exit was Immersion, an estimated $8.13M position sold in full.

By sector, the portfolio is most concentrated in Consumer Discretionary at 24% of assets, up from 22% a quarter earlier, followed by Industrials and Technology.

Against the trend, Portolan Capital Management opened a new position in Babcock & Wilcox worth $35.9M.

  • Portolan Capital Management's largest Q1 2021 buy was Babcock & Wilcox: 3,791,569 shares worth $35.9M.
  • Portolan Capital Management added most to Green Plains in Q1 2021, an estimated $11M increase.
  • Portolan Capital Management's biggest Q1 2021 reduction was SunOpta, cutting an estimated $19.1M.
  • Portolan Capital Management fully exited Immersion in Q1 2021, selling an estimated $8.13M.
  • Portolan Capital Management's ten largest holdings make up 19% of its $1.27B portfolio in Q1 2021.
  • Portolan Capital Management opened 33 new positions and closed 46 in Q1 2021.
  • Portolan Capital Management's portfolio value rose 16% quarter-over-quarter to $1.27B.

Based on Portolan Capital Management's 13F filing for Q1 2021, filed 17 May 2021.