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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
+24.93%
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
$972M
AUM Growth
+$165M
Cap. Flow
+$24M
Cap. Flow %
2.47%
Top 10 Hldgs %
30.73%
Holding
104
New
22
Increased
34
Reduced
30
Closed
17

Top Sells

Rank Stock Value
1
CARB
Carbonite Inc
CARB
+$27.5M
2
UIS icon
Unisys
UIS
+$20M
3
BOX icon
Box
BOX
+$19.4M
4
YELP icon
Yelp
YELP
+$19.3M
5
CRCM
CARE.COM, INC.
CRCM
+$18.5M

Sector Composition

Rank Sector Weight
1 Technology 41.45%
2 Consumer Discretionary 11.94%
3 Communication Services 9.36%
4 Industrials 8.91%
5 Energy 8.24%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CBM
101
DELISTED
Cambrex Corporation
CBM
-67,195
Closed -$2.54M
APTI
102
DELISTED
Apptio, Inc. Class A Common Stock
APTI
-305,046
Closed -$11.6M
HDP
103
DELISTED
Hortonworks, Inc.
HDP
-1,185,968
Closed -$17.1M
ATTU
104
DELISTED
Attunity Ltd
ATTU
-575,589
Closed -$11.3M

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Portolan Capital Management's Q1 2019 Portfolio in Review

As of Q1 2019, Portolan Capital Management held 104 positions worth $972M, up 20% from $807M the previous quarter. Its ten largest holdings account for 31% of the portfolio.

Portolan Capital Management's Q1 2019 filing shows 22 new, 34 increased, 30 reduced and 17 closed positions. Its largest new stake was Marathon Petroleum: 317,283 shares worth $19M. The largest sale was Carbonite Inc, an estimated $27.5M.

By sector, the portfolio is most concentrated in Technology at 41% of assets, down from 44% a quarter earlier, followed by Consumer Discretionary and Communication Services.

  • Portolan Capital Management's largest Q1 2019 buy was Marathon Petroleum: 317,283 shares worth $19M.
  • Portolan Capital Management added most to LivePerson in Q1 2019, an estimated $13.8M increase.
  • Portolan Capital Management's biggest Q1 2019 reduction was Carbonite Inc, cutting an estimated $27.5M.
  • Portolan Capital Management fully exited Yelp in Q1 2019, selling an estimated $19.3M.
  • Portolan Capital Management's ten largest holdings make up 31% of its $972M portfolio in Q1 2019.
  • Portolan Capital Management opened 22 new positions and closed 17 in Q1 2019.
  • Portolan Capital Management's portfolio value rose 20% quarter-over-quarter to $972M.

Based on Portolan Capital Management's 13F filing for Q1 2019, filed 15 May 2019.