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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
+12.24%
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
$770M
AUM Growth
+$26.9M
Cap. Flow
-$38.3M
Cap. Flow %
-4.98%
Top 10 Hldgs %
25.41%
Holding
159
New
34
Increased
35
Reduced
48
Closed
39

Top Sells

Rank Stock Value
1
WOOF
VCA Inc.
WOOF
+$13.1M
2
GT icon
Goodyear
GT
+$12.4M
3
MTDR icon
Matador Resources
MTDR
+$11.1M
4
STMP
Stamps.com, Inc.
STMP
+$9.51M
5
SKX
Skechers
SKX
+$7.74M

Sector Composition

Rank Sector Weight
1 Technology 29.61%
2 Materials 11.11%
3 Financials 10.2%
4 Industrials 9.68%
5 Consumer Discretionary 8.47%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
HUN icon
76
Huntsman Corp
HUN
$1.83B
$3.79M 0.49%
+154,533
New +$3.32M
ZD icon
77
Ziff Davis
ZD
$2.04B
$3.78M 0.49%
51,740
-55,686
-52% -$4.07M
CENX icon
78
Century Aluminum
CENX
$4.66B
$3.74M 0.49%
+294,771
New +$3.91M
KRA
79
DELISTED
Kraton Corporation
KRA
$3.72M 0.48%
120,289
+12,482
+12% +$348K
ZEN
80
DELISTED
ZENDESK INC
ZEN
$3.65M 0.47%
130,258
-67,448
-34% -$1.75M
CTB
81
DELISTED
Cooper Tire & Rubber Co.
CTB
$3.52M 0.46%
79,470
-50,383
-39% -$1.98M
NEWR
82
DELISTED
New Relic, Inc.
NEWR
$3.49M 0.45%
+94,208
New +$3.3M
CMRE icon
83
Costamare
CMRE
$1.84B
$3.45M 0.45%
+518,133
New +$3.15M
WIFI
84
DELISTED
Boingo Wireless, Inc.
WIFI
$3.39M 0.44%
+261,225
New +$3.12M
AAOI icon
85
Applied Optoelectronics
AAOI
$10.6B
$3.35M 0.43%
59,609
-4,985
-8% -$197K
UBS icon
86
UBS Group
UBS
$175B
$3.31M 0.43%
207,522
-128,893
-38% -$2.07M
AA icon
87
Alcoa
AA
$12.4B
$3.21M 0.42%
+93,399
New +$3.27M
CMA
88
DELISTED
Comerica
CMA
$3.02M 0.39%
+43,995
New +$3.07M
AORT icon
89
Artivion
AORT
$1.31B
$3M 0.39%
+180,337
New +$3.18M
APTI
90
DELISTED
Apptio, Inc. Class A Common Stock
APTI
$2.99M 0.39%
+254,659
New +$3.68M
TNAV
91
DELISTED
Telenav Inc.
TNAV
$2.87M 0.37%
+331,853
New +$2.79M
EBIX
92
DELISTED
Ebix Inc
EBIX
$2.85M 0.37%
46,483
-44,179
-49% -$2.63M
PMTS icon
93
CPI Card Group
PMTS
$263M
$2.83M 0.37%
134,667
+90,783
+207% +$2.06M
EA icon
94
Electronic Arts
EA
$52.9B
$2.81M 0.37%
31,447
-4,673
-13% -$398K
FITB
95
Fifth Third Bancorp
FITB
$52.4B
$2.73M 0.36%
107,573
-74,430
-41% -$1.98M
TWNK
96
DELISTED
Hostess Brands, Inc. Class A Common Stock
TWNK
$2.72M 0.35%
+171,477
New +$2.56M
JOBS
97
DELISTED
51job Inc
JOBS
$2.57M 0.33%
+70,078
New +$2.5M
URI icon
98
United Rentals
URI
$71.6B
$2.54M 0.33%
20,286
-31,277
-61% -$3.8M
VRTU
99
DELISTED
Virtusa Corporation
VRTU
$2.53M 0.33%
83,675
-62,230
-43% -$1.79M
GST
100
DELISTED
Gastar Exploration Inc.
GST
$2.24M 0.29%
1,457,537
-1,381,179
-49% -$2.27M

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Portolan Capital Management's Q1 2017 Portfolio in Review

As of Q1 2017, Portolan Capital Management held 159 positions worth $770M, up 3.6% from $743M the previous quarter. Its ten largest holdings account for 25% of the portfolio.

Portolan Capital Management withdrew a net $38.3M in Q1 2017, closing 39 positions and reducing 48 holdings. Its most notable exit was VCA Inc., an estimated $13.1M position sold in full.

By sector, the portfolio is most concentrated in Technology at 30% of assets, up from 26% a quarter earlier, followed by Materials and Financials.

Against the trend, Portolan Capital Management opened a new position in Constellium worth $10.1M.

  • Portolan Capital Management's largest Q1 2017 buy was Constellium: 1,556,444 shares worth $10.1M.
  • Portolan Capital Management added most to KapStone Paper and Pack Corp. in Q1 2017, an estimated $7.39M increase.
  • Portolan Capital Management's biggest Q1 2017 reduction was Stamps.com, Inc., cutting an estimated $9.51M.
  • Portolan Capital Management fully exited VCA Inc. in Q1 2017, selling an estimated $13.1M.
  • Portolan Capital Management's ten largest holdings make up 25% of its $770M portfolio in Q1 2017.
  • Portolan Capital Management opened 34 new positions and closed 39 in Q1 2017.
  • Portolan Capital Management's portfolio value rose 3.6% quarter-over-quarter to $770M.

Based on Portolan Capital Management's 13F filing for Q1 2017, filed 15 May 2017.