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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
+35.82%
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
$1.59B
AUM Growth
+$279M
(+21%)
Cap. Flow
-$16.5M
Cap. Flow
% of AUM
-1.03%
Top 10 Holdings %
Top 10 Hldgs %
31.62%
Holding
147
New
38
Increased
47
Reduced
31
Closed
29
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
AeroVironment
AVAV
|
+$30.3M |
| 2 |
Powell Industries
POWL
|
+$21.2M |
| 3 |
Celestica
CLS
|
+$16.7M |
| 4 |
GOOS
Canada Goose Holdings
GOOS
|
+$14.4M |
| 5 |
Ramaco Resources Class A
METC
|
+$13.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Lantheus
LNTH
|
+$53.8M |
| 2 |
eBay
EBAY
|
+$32.1M |
| 3 |
SLM Corp
SLM
|
+$24.5M |
| 4 |
LendingTree
TREE
|
+$22.1M |
| 5 |
Gates Industrial Corporation Ltd.
GTES
|
+$21.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.68% |
| 2 | Industrials | 15.71% |
| 3 | Consumer Discretionary | 14.72% |
| 4 | Healthcare | 13.98% |
| 5 | Financials | 9.96% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
126
GE HealthCare
GEHC
$32.4B
| – | – |
-47,443
| Closed | -$3.83M |
|
127
Gen Digital
GEN
$17.5B
| – | – |
-187,169
| Closed | -$4.97M |
|
|
GES
128
DELISTED
Guess Inc
GES
| – | – |
-776,182
| Closed | -$8.59M |
|
129
OrthoPediatrics
KIDS
$595M
| – | – |
-34,553
| Closed | -$851K |
|
130
Kosmos Energy
KOS
$1.48B
| – | – |
-2,011,814
| Closed | -$4.59M |
|
131
Lindblad Expeditions
LIND
$2.22B
| – | – |
-689,246
| Closed | -$6.39M |
|
132
Liquidity Services
LQDT
$1.32B
| – | – |
-626,358
| Closed | -$19.4M |
|
133
Ranpak Holdings
PACK
$473M
| – | – |
-573,622
| Closed | -$3.11M |
|
134
QuinStreet
QNST
$1.21B
| – | – |
-778,296
| Closed | -$13.9M |
|
135
Remitly
RELY
$5.14B
| – | – |
-127,227
| Closed | -$2.65M |
|
136
Rimini Street
RMNI
$471M
| – | – |
-1,235,224
| Closed | -$4.3M |
|
137
Royalty Pharma
RPRX
$25.3B
| – | – |
-352,257
| Closed | -$11M |
|
138
Champion Homes
SKY
$5.14B
| – | – |
-8,971
| Closed | -$850K |
|
|
SKX
139
DELISTED
Skechers
SKX
| – | – |
-199,867
| Closed | -$11.3M |
|
|
STKL
140
DELISTED
SunOpta
STKL
| – | – |
-1,894,080
| Closed | -$9.21M |
|
141
Transmedics
TMDX
$2.91B
| – | – |
-47,536
| Closed | -$3.2M |
|
142
Turning Point Brands
TPB
$1.74B
| – | – |
-70,451
| Closed | -$4.19M |
|
|
143
LendingTree
TREE
$451M
| – | – |
-438,795
| Closed | -$22.1M |
|
144
Upwork
UPWK
$1.19B
| – | – |
-644,548
| Closed | -$8.41M |
|
145
Viking Therapeutics
VKTX
$4B
| – | – |
-138,748
| Closed | -$3.35M |
|
|
LUCK
146
Lucky Strike Entertainment
LUCK
$911M
| – | – |
-880,427
| Closed | -$8.59M |
|
|
PSIX
147
Power Solutions International
PSIX
$942M
| – | – |
-296,442
| Closed | -$7.49M |
|
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Portolan Capital Management's Q2 2025 Portfolio in Review
As of Q2 2025, Portolan Capital Management held 147 positions worth $1.59B, up 21% from $1.32B the previous quarter. Its ten largest holdings account for 32% of the portfolio.
Portolan Capital Management's Q2 2025 filing shows 38 new, 47 increased, 31 reduced and 29 closed positions. Its largest new stake was AeroVironment: 178,816 shares worth $51M. The largest sale was Lantheus, an estimated $53.8M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 19% a quarter earlier, followed by Industrials and Consumer Discretionary.
- Portolan Capital Management's largest Q2 2025 buy was AeroVironment: 178,816 shares worth $51M.
- Portolan Capital Management added most to Powell Industries in Q2 2025, an estimated $21.2M increase.
- Portolan Capital Management's biggest Q2 2025 reduction was Lantheus, cutting an estimated $53.8M.
- Portolan Capital Management fully exited eBay in Q2 2025, selling an estimated $32.1M.
- Portolan Capital Management's ten largest holdings make up 32% of its $1.59B portfolio in Q2 2025.
- Portolan Capital Management opened 38 new positions and closed 29 in Q2 2025.
- Portolan Capital Management's portfolio value rose 21% quarter-over-quarter to $1.59B.
Based on Portolan Capital Management's 13F filing for Q2 2025, filed 13 Aug 2025.