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Portolan Capital Management Portfolio holdings

AUM $2.67B
1-Year Est. Return 169.09%
This Fund
S&P 500
This Quarter Est. Return
+69.41%
1 Year Est. Return
+169.09%
3 Year Est. Return
+737.83%
5 Year Est. Return
+1,497.12%
10 Year Est. Return
+21,256.61%
AUM
$2.67B
AUM Growth
+$792M
Cap. Flow
+$21.4M
Cap. Flow %
0.8%
Top 10 Hldgs %
29.02%
Holding
180
New
36
Increased
49
Reduced
59
Closed
32

Top Buys

Rank Stock Value
1
VIRT icon
Virtu Financial
VIRT
+$48.9M
2
FOUR icon
Shift4
FOUR
+$38.9M
3
QLYS icon
Qualys
QLYS
+$28.6M
4
SRAD icon
Sportradar
SRAD
+$26.5M
5
PENG
Penguin Solutions Inc
PENG
+$24.8M

Top Sells

Rank Stock Value
1
PBF icon
PBF Energy
PBF
+$38.1M
2
TTMI icon
TTM Technologies
TTMI
+$35.4M
3
CRGY icon
Crescent Energy
CRGY
+$35.1M
4
BIDU icon
Baidu
BIDU
+$33.5M
5
FN icon
Fabrinet
FN
+$31.2M

Sector Composition

Rank Sector Weight
1 Technology 44.68%
2 Consumer Discretionary 12.13%
3 Industrials 12.05%
4 Healthcare 11.19%
5 Financials 9.77%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LUXE
26
LuxExperience B.V.
LUXE
$1.06B
$30.1M 1.13%
4,053,147
+319,204
+9% +$2.55M
ZETA icon
27
Zeta Global
ZETA
$7.87B
$29.6M 1.11%
1,502,738
+1,016,467
+209% +$18.9M
CLBT icon
28
Cellebrite
CLBT
$2.88B
$28.2M 1.06%
1,932,514
-248,410
-11% -$3.28M
SRAD icon
29
Sportradar
SRAD
$3.82B
$27.2M 1.02%
+1,819,949
New +$26.5M
GOOS
30
Canada Goose Holdings
GOOS
$795M
$26.2M 0.98%
2,750,523
-467,754
-15% -$4.93M
BAND
31
Bandwidth Inc
BAND
$1.41B
$26.1M 0.98%
+412,701
New +$18.5M
WRBY icon
32
Warby Parker
WRBY
$3.01B
$25.6M 0.96%
843,862
+343,156
+69% +$8.5M
KTB icon
33
Kontoor Brands
KTB
$4.02B
$24.3M 0.91%
+292,115
New +$21.3M
OSK icon
34
Oshkosh
OSK
$9.7B
$24.2M 0.91%
157,641
+139,456
+767% +$19.6M
ECPG icon
35
Encore Capital Group
ECPG
$2.06B
$23.9M 0.89%
+255,715
New +$20.8M
TWLO icon
36
Twilio
TWLO
$35.8B
$23.8M 0.89%
115,397
+40,628
+54% +$7.2M
SEZL
37
Sezzle
SEZL
$4.06B
$23.3M 0.87%
135,743
+65,697
+94% +$6.92M
RELY icon
38
Remitly
RELY
$5.54B
$22.8M 0.85%
1,017,592
+319,426
+46% +$6.55M
ACMR icon
39
ACM Research
ACMR
$5.18B
$22.5M 0.84%
177,432
+94,176
+113% +$6.66M
ESI icon
40
Element Solutions
ESI
$8.78B
$22.4M 0.84%
469,213
+247,981
+112% +$10.3M
NOK icon
41
Nokia
NOK
$56.2B
$21.9M 0.82%
1,645,761
-748,209
-31% -$9.63M
BB icon
42
BlackBerry
BB
$4.51B
$21.7M 0.81%
+1,714,461
New +$12M
IFF icon
43
International Flavors & Fragrances
IFF
$22B
$21.3M 0.8%
+269,229
New +$20M
PLSE icon
44
Pulse Biosciences
PLSE
$3.8B
$20.9M 0.78%
753,333
+19,961
+3% +$471K
MOG.A icon
45
Moog Inc Class A
MOG.A
$11.8B
$20.9M 0.78%
49,274
+19,837
+67% +$6.77M
REAX icon
46
Real REMAX Group Inc. Common Stock
REAX
$407M
$20.1M 0.75%
1,104,236
-347,749
-24% -$7.06M
CDNA icon
47
CareDx
CDNA
$2.63B
$19.5M 0.73%
684,805
+344,453
+101% +$7.5M
PARR icon
48
Par Pacific Holdings
PARR
$4.07B
$19.2M 0.72%
341,863
-351,971
-51% -$21M
VSH icon
49
Vishay Intertechnology
VSH
$4.88B
$18.9M 0.71%
+351,515
New +$14.4M
TTWO icon
50
Take-Two Interactive
TTWO
$40.1B
$18.1M 0.68%
72,487
+40,268
+125% +$8.89M
1
2
3 4 5

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Portolan Capital Management's Q2 2026 Portfolio in Review

As of Q2 2026, Portolan Capital Management held 180 positions worth $2.67B, up 42% from $1.88B the previous quarter. Its ten largest holdings account for 29% of the portfolio.

Portolan Capital Management's Q2 2026 filing shows 36 new, 49 increased, 59 reduced and 32 closed positions. Its largest new stake was Sportradar: 1,819,949 shares worth $27.2M. The largest sale was PBF Energy, an estimated $38.1M.

By sector, the portfolio is most concentrated in Technology at 45% of assets, up from 34% a quarter earlier, followed by Consumer Discretionary and Industrials.

  • Portolan Capital Management's largest Q2 2026 buy was Sportradar: 1,819,949 shares worth $27.2M.
  • Portolan Capital Management added most to Virtu Financial in Q2 2026, an estimated $48.9M increase.
  • Portolan Capital Management's biggest Q2 2026 reduction was TTM Technologies, cutting an estimated $35.4M.
  • Portolan Capital Management fully exited PBF Energy in Q2 2026, selling an estimated $38.1M.
  • Portolan Capital Management's ten largest holdings make up 29% of its $2.67B portfolio in Q2 2026.
  • Portolan Capital Management opened 36 new positions and closed 32 in Q2 2026.
  • Portolan Capital Management's portfolio value rose 42% quarter-over-quarter to $2.67B.

Based on Portolan Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.