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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
-5.48%
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
$747M
AUM Growth
-$42.2M
Cap. Flow
-$22.6M
Cap. Flow %
-3.03%
Top 10 Hldgs %
28.39%
Holding
163
New
40
Increased
46
Reduced
25
Closed
52

Sector Composition

Rank Sector Weight
1 Technology 26.14%
2 Healthcare 19.92%
3 Consumer Discretionary 14.05%
4 Communication Services 13.22%
5 Industrials 4.5%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
DXLG icon
26
Destination XL Group
DXLG
$31.4M
$8.33M 1.12%
1,611,081
+331,968
+26% +$1.54M
GRPN icon
27
Groupon
GRPN
$1.04B
$8.18M 1.1%
102,505
-121,165
-54% -$8.37M
AVDL
28
DELISTED
Avadel Pharmaceuticals
AVDL
$8.08M 1.08%
732,234
-311,058
-30% -$3.09M
AAOI icon
29
Applied Optoelectronics
AAOI
$10.6B
$8.08M 1.08%
541,679
+104,920
+24% +$1.67M
XOXO
30
DELISTED
Xo Group Inc
XOXO
$8.04M 1.08%
500,927
-2,421
-0.5% -$36.3K
RAX
31
DELISTED
Rackspace Hosting Inc
RAX
$7.9M 1.06%
365,945
+143,230
+64% +$2.92M
FRGI
32
DELISTED
Fiesta Restaurant Group, Inc.
FRGI
$7.57M 1.01%
230,990
-82,464
-26% -$2.9M
MYGN icon
33
Myriad Genetics
MYGN
$303M
$7.54M 1.01%
+201,572
New +$7.6M
META icon
34
Meta Platforms (Facebook)
META
$1.5T
$7.5M 1%
65,708
+52,933
+414% +$5.59M
VRTU
35
DELISTED
Virtusa Corporation
VRTU
$7.26M 0.97%
193,866
+44,190
+30% +$1.67M
ABMD
36
DELISTED
Abiomed Inc
ABMD
$7.26M 0.97%
76,550
-2,560
-3% -$216K
STE icon
37
Steris
STE
$22.7B
$7.24M 0.97%
101,942
+38,685
+61% +$2.62M
SFM icon
38
Sprouts Farmers Market
SFM
$8.03B
$7.14M 0.96%
245,979
+51,840
+27% +$1.34M
AKAM icon
39
Akamai
AKAM
$17.9B
$7.14M 0.96%
128,442
+29,805
+30% +$1.51M
CERN
40
DELISTED
Cerner Corp
CERN
$6.98M 0.93%
+131,793
New +$7.18M
CRCM
41
DELISTED
CARE.COM, INC.
CRCM
$6.69M 0.9%
1,088,517
-112,486
-9% -$681K
BSFT
42
DELISTED
BroadSoft, Inc.
BSFT
$6.65M 0.89%
164,786
+4,944
+3% +$167K
MODN
43
DELISTED
MODEL N, INC.
MODN
$6.63M 0.89%
615,925
+52,506
+9% +$548K
WEB
44
DELISTED
Web.com Group, Inc.
WEB
$6.31M 0.84%
318,275
+158,616
+99% +$2.9M
APTV icon
45
Aptiv
APTV
$10.1B
$6.22M 0.83%
82,953
+42,850
+107% +$2.93M
ANIK icon
46
Anika Therapeutics
ANIK
$262M
$5.86M 0.78%
130,939
-357,656
-73% -$14.5M
ECPG icon
47
Encore Capital Group
ECPG
$2.05B
$5.72M 0.77%
+222,395
New +$5.13M
IPHI
48
DELISTED
INPHI CORPORATION
IPHI
$5.59M 0.75%
167,709
+128,264
+325% +$3.42M
LIOX
49
DELISTED
Lionbridge Technologies
LIOX
$5.51M 0.74%
1,089,247
-288,052
-21% -$1.31M
ZD icon
50
Ziff Davis
ZD
$2.04B
$5.45M 0.73%
+101,851
New +$6.17M

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Portolan Capital Management's Q1 2016 Portfolio in Review

As of Q1 2016, Portolan Capital Management held 163 positions worth $747M, down 5.3% from $789M the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Portolan Capital Management withdrew a net $22.6M in Q1 2016, closing 52 positions and reducing 25 holdings. Its most notable exit was Spirit Airlines, Inc., an estimated $12.4M position sold in full.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 31% a quarter earlier, followed by Healthcare and Consumer Discretionary.

Against the trend, Portolan Capital Management opened a new position in Willis Towers Watson worth $8.42M.

  • Portolan Capital Management's largest Q1 2016 buy was Willis Towers Watson: 70,980 shares worth $8.42M.
  • Portolan Capital Management added most to Brookdale Senior Living in Q1 2016, an estimated $10.9M increase.
  • Portolan Capital Management's biggest Q1 2016 reduction was Anika Therapeutics, cutting an estimated $14.5M.
  • Portolan Capital Management fully exited Spirit Airlines, Inc. in Q1 2016, selling an estimated $12.4M.
  • Portolan Capital Management's ten largest holdings make up 28% of its $747M portfolio in Q1 2016.
  • Portolan Capital Management opened 40 new positions and closed 52 in Q1 2016.
  • Portolan Capital Management's portfolio value fell 5.3% quarter-over-quarter to $747M.

Based on Portolan Capital Management's 13F filing for Q1 2016, filed 13 May 2016.