AI Portfolio Summary
In 2025 Q4, Portolan Capital Management, LLC maintained a portfolio of 176 distinct positions. The most significant new addition to the portfolio was AKAMAI TECHNOLOGIES , which now represents 2.45% of the total fund value. They heavily accumulated shares in CASTLE BIOSCIENCES I, increasing their position by 14.1%. Conversely, Portolan Capital Management, LLC completely exited their position in WOLVERINE WORLD WIDE.
Total Positions
176
Quarter
2025 Q4
Top Holding
TTMI (4.2%)
Top 10 Concentration
26.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 176
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TTMI
TTM TECHNOLOGIE...
|
Technology | 4.24% | 3.71% |
#1
1
Prev: #2
|
4.2 | -42,140 | -3.5% |
P
S
|
1,146,682 | $79,121,058 |
$21.92
+222.1%
|
2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
MOD
MODINE MFG CO
|
Consumer Cyclical | 3.83% | 4.63% |
#2
1
Prev: #1
|
3.5 | -66,515 | -11.0% |
P
S
|
535,947 | $71,554,284 |
$69.13
+103.7%
|
2009 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
CSTL
CASTLE BIOSCIEN...
|
Healthcare | 3.60% | 1.87% |
#3
12
Prev: #15
|
4.4 | 214,352 | 14.1% |
P
S
|
1,729,463 | $67,276,111 |
$37.18
+3.7%
|
2019 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
CLS
CELESTICA INC
|
Technology | 2.73% | 3.35% |
#4
1
Prev: #5
|
1.6 | -79,281 | -31.5% |
P
S
|
172,275 | $50,926,213 | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AKAM
AKAMAI TECHNOLO...
|
Technology | 2.45% | — |
#5
Prev: #—
|
5.0 | 524,321 | no change |
NEW
|
524,321 | $45,747,007 | 2008 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
REAX
THE REAL BROKER...
|
Real Estate | 2.11% | 1.30% |
#6
15
Prev: #21
|
3.8 | 5,010,640 | 86.9% |
P
S
|
10,779,843 | $39,346,427 | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SMTC
SEMTECH CORP
|
Technology | 2.01% | 2.59% |
#7
Prev: #7
|
0.8 | -160,207 | -24.0% |
P
S
|
508,655 | $37,482,787 | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BIDU
BAIDU INC
|
Communication Services | 1.85% | 0.03% |
#8
108
Prev: #116
|
3.7 | 259,101 | 5657.2% |
P
S
|
263,681 | $34,452,559 | 2012 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VPG
VISHAY PRECISIO...
|
Technology | 1.81% | 1.43% |
#9
8
Prev: #17
|
2.7 | 54,371 | 6.6% |
P
S
|
877,669 | $33,790,257 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GENI
GENIUS SPORTS L...
|
Communication Services | 1.73% | 2.42% |
#10
1
Prev: #11
|
1.2 | -674,692 | -18.7% |
P
S
|
2,938,119 | $32,378,071 | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LNTH
LANTHEUS HLDGS ...
|
Healthcare | 1.70% | 0.82% |
#11
27
Prev: #38
|
3.7 | 178,581 | 60.1% |
P
S
|
475,789 | $31,663,758 | 2023 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FOUR
SHIFT4 PMTS INC
|
Technology | 1.58% | 0.79% |
#12
28
Prev: #40
|
3.6 | 279,302 | 148.0% |
P
S
|
468,063 | $29,473,927 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
QTRX
QUANTERIX CORP
|
Healthcare | 1.54% | 1.25% |
#13
11
Prev: #24
|
2.6 | 265,702 | 6.2% |
P
S
|
4,525,553 | $28,782,517 | 2018 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FLEX
FLEX LTD
|
Technology | 1.51% | 1.87% |
#14
Prev: #14
|
0.6 | -128,873 | -21.6% |
P
S
|
466,913 | $28,210,883 | 2022 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TLN
TALEN ENERGY CO...
|
Utilities | 1.51% | 2.18% |
#15
2
Prev: #13
|
0.6 | -19,733 | -20.8% |
P
S
|
74,984 | $28,107,003 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOS
CANADA GOOSE HL...
|
Consumer Cyclical | 1.48% | 1.62% |
#16
Prev: #16
|
1.1 | -35,097 | -1.6% |
P
S
|
2,138,904 | $27,698,807 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WRBY
WARBY PARKER IN...
|
Healthcare | 1.44% | 0.96% |
#17
16
Prev: #33
|
3.6 | 586,085 | 90.7% |
P
S
|
1,232,173 | $26,849,050 | 2023 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ZETA
ZETA GLOBAL HOL...
|
Technology | 1.44% | 1.10% |
#18
12
Prev: #30
|
3.1 | 293,602 | 28.6% |
P
S
|
1,318,797 | $26,837,519 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
POWL
POWELL INDS INC
|
Industrials | 1.35% | 2.45% |
#19
10
Prev: #9
|
0.5 | -69,129 | -46.6% |
P
S
|
79,116 | $25,220,598 | 2006 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LPTH
LIGHTPATH TECHN...
|
Technology | 1.35% | 0.70% |
#20
29
Prev: #49
|
3.0 | 700,562 | 42.9% |
P
S
|
2,332,184 | $25,187,587 | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BELFB
BEL FUSE INC
|
Technology | 1.27% | 0.94% |
#21
13
Prev: #34
|
2.5 | 15,747 | 12.7% |
P
S
|
139,513 | $23,665,590 | 2022 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CLBT
CELLEBRITE DI L...
|
Technology | 1.24% | 2.43% |
#22
12
Prev: #10
|
0.5 | -1,132,375 | -46.8% |
P
S
|
1,287,287 | $23,209,785 | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KTOS
KRATOS DEFENSE ...
|
Industrials | 1.20% | 2.95% |
#23
17
Prev: #6
|
0.5 | -302,100 | -50.7% |
P
S
|
294,006 | $22,317,995 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LUXE
LUXEXPERIENCE B...
|
ETF | 1.19% | 0.72% |
#24
22
Prev: #46
|
3.5 | 1,099,408 | 70.4% |
P
S
|
2,660,674 | $22,216,628 | 2023 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LASR
NLIGHT INC
|
Technology | 1.19% | 1.23% |
#25
Prev: #25
|
0.5 | -179,355 | -23.3% |
P
S
|
590,433 | $22,147,142 | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WWW
WOLVERINE WORLD...
|
Consumer Cyclical | 0.00% | 1.18% |
Sold All 😨
(Was: #26) |
0.0 | -796,627 | -100.0% |
CLOSED
|
— | $— | 2012 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PSIX
POWER SOLUTIONS...
|
Industrials | 0.00% | 1.04% |
Sold All 😨
(Was: #31) |
0.0 | -195,804 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CELH
CELSIUS HLDGS I...
|
Consumer Defensive | 0.00% | 0.51% |
Sold All 😨
(Was: #61) |
0.0 | -164,031 | -100.0% |
CLOSED
|
— | $— | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CXT
CRANE NXT CO
|
Industrials | 0.00% | 0.48% |
Sold All 😨
(Was: #63) |
0.0 | -131,989 | -100.0% |
CLOSED
|
— | $— | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BKSY
BLACKSKY TECHNO...
|
Industrials | 0.00% | 0.43% |
Sold All 😨
(Was: #68) |
0.0 | -389,802 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GNRC
GENERAC HLDGS I...
|
Industrials | 0.00% | 0.41% |
Sold All 😨
(Was: #72) |
0.0 | -45,031 | -100.0% |
CLOSED
|
— | $— | 2010 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TIC
ACUREN CORP
|
Industrials | 0.00% | 0.34% |
Sold All 😨
(Was: #82) |
0.0 | -472,954 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LMT
LOCKHEED MARTIN...
|
Industrials | 0.00% | 0.34% |
Sold All 😨
(Was: #85) |
0.0 | -12,506 | -100.0% |
CLOSED
|
— | $— | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMRC
AMERESCO INC
|
Industrials | 0.00% | 0.32% |
Sold All 😨
(Was: #87) |
0.0 | -174,903 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ONTO
ONTO INNOVATION...
|
Technology | 0.00% | 0.31% |
Sold All 😨
(Was: #89) |
0.0 | -44,564 | -100.0% |
CLOSED
|
— | $— | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LEVI
LEVI STRAUSS &C...
|
Consumer Cyclical | 0.00% | 0.27% |
Sold All 😨
(Was: #92) |
0.0 | -214,221 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PRG
PROG HOLDINGS I...
|
Industrials | 0.00% | 0.26% |
Sold All 😨
(Was: #94) |
0.0 | -150,161 | -100.0% |
CLOSED
|
— | $— | 2020 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SITM
SITIME CORP
|
Technology | 0.00% | 0.25% |
Sold All 😨
(Was: #97) |
0.0 | -15,503 | -100.0% |
CLOSED
|
— | $— | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
WHITEFIBER INC
|
—
|
Unknown | 0.00% | 0.24% |
Sold All 😨
(Was: #98) |
0.0 | -160,669 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
CTOS
CUSTOM TRUCK ON...
|
Industrials | 0.00% | 0.23% |
Sold All 😨
(Was: #99) |
0.0 | -649,076 | -100.0% |
CLOSED
|
— | $— | 2021 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
RCKY
ROCKY BRANDS IN...
|
Consumer Cyclical | 0.00% | 0.21% |
Sold All 😨
(Was: #100) |
0.0 | -128,307 | -100.0% |
CLOSED
|
— | $— | 2021 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SRAD
SPORTRADAR GROU...
|
Technology | 0.00% | 0.19% |
Sold All 😨
(Was: #101) |
0.0 | -131,810 | -100.0% |
CLOSED
|
— | $— | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WT
WISDOMTREE INC
|
Financial Services | 0.00% | 0.05% |
Sold All 😨
(Was: #114) |
0.0 | -70,782 | -100.0% |
CLOSED
|
— | $— | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPWH
SPORTSMANS WHSE...
|
Consumer Cyclical | 0.00% | 0.05% |
Sold All 😨
(Was: #115) |
0.0 | -303,800 | -100.0% |
CLOSED
|
— | $— | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BXC
BLUELINX HLDGS ...
|
Industrials | 0.00% | 0.03% |
Sold All 😨
(Was: #118) |
0.0 | -6,700 | -100.0% |
CLOSED
|
— | $— | 2020 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VELO
VELO3D INC
|
Technology | 0.00% | 0.01% |
Sold All 😨
(Was: #119) |
0.0 | -59,921 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-25 of 176 holdings