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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
+20.03%
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
$1.49B
AUM Growth
+$107M
(+7.8%)
Cap. Flow
-$23.2M
Cap. Flow
% of AUM
-1.56%
Top 10 Holdings %
Top 10 Hldgs %
27.54%
Holding
166
New
37
Increased
47
Reduced
47
Closed
35
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Semtech
SMTC
|
+$30.3M |
| 2 |
Snap
SNAP
|
+$26.6M |
| 3 |
Gates Industrial Corporation Ltd.
GTES
|
+$22.5M |
| 4 |
Modine Manufacturing
MOD
|
+$15.5M |
| 5 |
Genesco
GCO
|
+$15.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Phathom Pharmaceuticals
PHAT
|
+$30.7M |
| 2 |
GDS Holdings
GDS
|
+$26.6M |
| 3 |
CDMO
Avid Bioservices, Inc. Common Stock
CDMO
|
+$18.8M |
| 4 |
Zeta Global
ZETA
|
+$18.7M |
| 5 |
ACM Research
ACMR
|
+$18.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.93% |
| 2 | Healthcare | 16.82% |
| 3 | Consumer Discretionary | 16.65% |
| 4 | Industrials | 9.86% |
| 5 | Financials | 9.53% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
CALY
151
Callaway Golf Company
CALY
$3.14B
| – | – |
-351,691
| Closed | -$3.86M |
|
152
Maravai LifeSciences
MRVI
$919M
| – | – |
-1,792,529
| Closed | -$14.9M |
|
153
Match Group
MTCH
$8.55B
| – | – |
-173,414
| Closed | -$6.56M |
|
154
Matrix Service
MTRX
$335M
| – | – |
-509,059
| Closed | -$5.87M |
|
155
Micron Technology
MU
$991B
| – | – |
-43,990
| Closed | -$4.56M |
|
156
Myriad Genetics
MYGN
$312M
| – | – |
-179,634
| Closed | -$4.92M |
|
157
Navios Maritime Partners
NMM
$2.26B
| – | – |
-79,221
| Closed | -$4.96M |
|
158
nVent Electric
NVT
$26.7B
| – | – |
-138,307
| Closed | -$9.72M |
|
159
O-I Glass
OI
$1.08B
| – | – |
-353,166
| Closed | -$4.63M |
|
|
160
Phathom Pharmaceuticals
PHAT
$692M
| – | – |
-1,699,918
| Closed | -$30.7M |
|
161
Sonos
SONO
$1.85B
| – | – |
-264,831
| Closed | -$3.25M |
|
162
WEX
WEX
$6.31B
| – | – |
-26,870
| Closed | -$5.64M |
|
|
HDL
163
Super Hi International Holding
HDL
$753M
| – | – |
-100,358
| Closed | -$1.74M |
|
|
TXNM
164
TXNM Energy Inc
TXNM
$5.94B
| – | – |
-115,360
| Closed | -$5.05M |
|
|
PENG
165
Penguin Solutions Inc
PENG
$2.99B
| – | – |
-89,325
| Closed | -$1.87M |
|
|
USAP
166
DELISTED
Universal Stainless & Alloy
USAP
| – | – |
-104,916
| Closed | -$4.05M |
|
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Portolan Capital Management's Q4 2024 Portfolio in Review
As of Q4 2024, Portolan Capital Management held 166 positions worth $1.49B, up 7.8% from $1.38B the previous quarter. Its ten largest holdings account for 28% of the portfolio.
Portolan Capital Management's Q4 2024 filing shows 37 new, 47 increased, 47 reduced and 35 closed positions. Its largest new stake was Snap: 2,362,784 shares worth $25.4M. The largest sale was Phathom Pharmaceuticals, an estimated $30.7M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 26% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Portolan Capital Management's largest Q4 2024 buy was Snap: 2,362,784 shares worth $25.4M.
- Portolan Capital Management added most to Semtech in Q4 2024, an estimated $30.3M increase.
- Portolan Capital Management's biggest Q4 2024 reduction was Avid Bioservices, Inc. Common Stock, cutting an estimated $18.8M.
- Portolan Capital Management fully exited Phathom Pharmaceuticals in Q4 2024, selling an estimated $30.7M.
- Portolan Capital Management's ten largest holdings make up 28% of its $1.49B portfolio in Q4 2024.
- Portolan Capital Management opened 37 new positions and closed 35 in Q4 2024.
- Portolan Capital Management's portfolio value rose 7.8% quarter-over-quarter to $1.49B.
Based on Portolan Capital Management's 13F filing for Q4 2024, filed 13 Feb 2025.