AI Portfolio Summary
In 2025 Q4, OBERWEIS ASSET MANAGEMENT INC/ maintained a portfolio of 203 distinct positions. They heavily accumulated shares in Credo Technology Gro, increasing their position by 4.9%. Conversely, OBERWEIS ASSET MANAGEMENT INC/ completely exited their position in ADMA Biologics, Inc..
Total Positions
203
Quarter
2025 Q4
Top Holding
LITE (3.8%)
Top 10 Concentration
20.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 203
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LITE
Lumentum Hldgs,...
|
Technology | 3.79% | 2.05% |
#1
1
Prev: #2
|
4.0 | -47,700 | -14.5% |
P
S
|
280,930 | $103,547,989 |
$95.60
+303.9%
|
2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
CRDO
Credo Technolog...
|
Technology | 3.55% | 3.59% |
#2
1
Prev: #1
|
3.4 | 31,440 | 4.9% |
P
S
|
675,388 | $97,181,579 |
$143.89
-2.5%
|
2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
AAOI
Applied Optoele...
|
Technology | 2.60% | 1.87% |
#3
3
Prev: #6
|
4.0 | 151,600 | 8.0% |
P
S
|
2,039,641 | $71,101,885 |
$34.86
+0.4%
|
2016 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
SN
SharkNinja, Inc...
|
Consumer Cyclical | 2.15% | 1.91% |
#4
1
Prev: #5
|
3.4 | 43,500 | 9.0% |
P
S
|
526,310 | $58,894,089 | 2014 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMBA
Ambarella, Inc.
|
Technology | 1.60% | 1.93% |
#5
1
Prev: #4
|
1.6 | 6,500 | 1.1% |
P
S
|
617,860 | $43,769,202 | 2013 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
RMBS
Rambus, Inc
|
Technology | 1.55% | 2.03% |
#6
3
Prev: #3
|
1.1 | -45,799 | -9.0% |
P
S
|
462,100 | $42,462,369 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SKYW
Skywest Inc
|
Industrials | 1.40% | 1.27% |
#7
7
Prev: #14
|
2.6 | 51,430 | 15.5% |
P
S
|
382,220 | $38,378,710 | 2015 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EHC
Encompass Healt...
|
Healthcare | 1.39% | 1.75% |
#8
1
Prev: #7
|
1.1 | 171 | 0.0% |
P
S
|
358,971 | $38,101,223 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SITM
SiTime Corporat...
|
Technology | 1.37% | 1.23% |
#9
6
Prev: #15
|
1.5 | no change | no change |
P
S
|
106,396 | $37,578,003 | 2023 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DOCN
Digital Ocean H...
|
Technology | 1.37% | 1.01% |
#10
12
Prev: #22
|
1.0 | 6,830 | 0.9% |
P
S
|
778,830 | $37,477,300 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVMI
Nova Ltd.
|
Technology | 1.36% | 1.39% |
#11
1
Prev: #12
|
1.5 | no change | no change |
P
S
|
113,285 | $37,201,661 | 2009 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FTDR
Frontdoor, Inc.
|
Consumer Cyclical | 1.29% | 1.57% |
#12
4
Prev: #8
|
1.5 | no change | no change |
P
S
|
610,860 | $35,240,513 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BTSG
BrightSpring He...
|
Healthcare | 1.24% | 1.03% |
#13
7
Prev: #20
|
1.5 | no change | no change |
P
S
|
908,000 | $34,004,600 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MTSI
Macom Technolog...
|
Technology | 1.12% | 0.85% |
#14
21
Prev: #35
|
0.9 | 1,170 | 0.7% |
P
S
|
178,960 | $30,652,269 | 2020 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VCYT
Veracyte, Inc.
|
Healthcare | 1.12% | 0.95% |
#15
10
Prev: #25
|
0.9 | 5,050 | 0.7% |
P
S
|
726,740 | $30,595,754 | 2018 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MRCY
Mercury Systems...
|
Industrials | 1.11% | 1.18% |
#16
1
Prev: #17
|
0.9 | 15,540 | 3.9% |
P
S
|
414,040 | $30,229,060 | 1999 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FLS
Flowserve Corpo...
|
Industrials | 1.04% | 0.83% |
#17
21
Prev: #38
|
0.9 | 656 | 0.2% |
P
S
|
409,941 | $28,441,733 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LTH
Life Time Holdi...
|
Consumer Cyclical | 1.03% | 0.92% |
#18
11
Prev: #29
|
2.9 | 192,900 | 22.3% |
P
S
|
1,059,300 | $28,156,194 | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WAY
Waystar Holding...
|
Healthcare | 1.01% | 1.21% |
#19
3
Prev: #16
|
0.9 | 4,050 | 0.5% |
P
S
|
840,600 | $27,529,650 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
RSI
Rush Street Int...
|
Consumer Cyclical | 1.00% | 0.93% |
#20
6
Prev: #26
|
2.4 | 220,150 | 18.5% |
P
S
|
1,411,710 | $27,429,525 | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CLH
Clean Harbors, ...
|
Industrials | 1.00% | 1.04% |
#21
3
Prev: #18
|
0.9 | 100 | 0.1% |
P
S
|
116,870 | $27,403,678 | 2019 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CRS
Carpenter Techn...
|
Industrials | 0.95% | 0.78% |
#22
26
Prev: #48
|
1.4 | no change | no change |
P
S
|
82,611 | $26,009,318 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TPC
Tutor Perini Co...
|
Industrials | 0.95% | 0.95% |
#23
1
Prev: #24
|
0.9 | 9,400 | 2.5% |
P
S
|
387,200 | $25,950,144 | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
OSIS
Osi Systems, In...
|
Technology | 0.95% | 0.97% |
#24
1
Prev: #23
|
1.4 | no change | no change |
P
S
|
101,400 | $25,863,084 | 2003 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WGS
Genedx Holdings...
|
Healthcare | 0.95% | 0.80% |
#25
21
Prev: #46
|
0.9 | 4,850 | 2.5% |
P
S
|
198,770 | $25,852,026 | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ADMA
ADMA Biologics,...
|
Healthcare | 0.00% | 1.52% |
Sold All 😨
(Was: #9) |
0.0 | -2,712,040 | -100.0% |
CLOSED
|
— | $— | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SRAD
Sportradar Grou...
|
Technology | 0.00% | 1.42% |
Sold All 😨
(Was: #11) |
0.0 | -1,379,100 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ITRI
Itron Inc
|
Technology | 0.00% | 1.36% |
Sold All 😨
(Was: #13) |
0.0 | -284,150 | -100.0% |
CLOSED
|
— | $— | 2016 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LRN
Stride, Inc.
|
Consumer Defensive | 0.00% | 1.04% |
Sold All 😨
(Was: #19) |
0.0 | -181,800 | -100.0% |
CLOSED
|
— | $— | 2018 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
QRVO
Qorvo, Inc.
|
Technology | 0.00% | 0.91% |
Sold All 😨
(Was: #30) |
0.0 | -260,900 | -100.0% |
CLOSED
|
— | $— | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PSN
Parsons Corp.
|
Technology | 0.00% | 0.87% |
Sold All 😨
(Was: #31) |
0.0 | -272,730 | -100.0% |
CLOSED
|
— | $— | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SFM
Sprouts Farmers...
|
Consumer Defensive | 0.00% | 0.61% |
Sold All 😨
(Was: #65) |
0.0 | -145,500 | -100.0% |
CLOSED
|
— | $— | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BMI
Badger Meter
|
Technology | 0.00% | 0.50% |
Sold All 😨
(Was: #76) |
0.0 | -72,610 | -100.0% |
CLOSED
|
— | $— | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CBSH
Commerce Bancsh...
|
Financial Services | 0.00% | 0.40% |
Sold All 😨
(Was: #94) |
0.0 | -176,890 | -100.0% |
CLOSED
|
— | $— | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
OSPN
OneSpan, Inc.
|
Technology | 0.00% | 0.39% |
Sold All 😨
(Was: #96) |
0.0 | -640,450 | -100.0% |
CLOSED
|
— | $— | 2018 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VRNS
Varonis Sys, In...
|
Technology | 0.00% | 0.39% |
Sold All 😨
(Was: #97) |
0.0 | -176,600 | -100.0% |
CLOSED
|
— | $— | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FIVN
Five9, Inc.
|
Technology | 0.00% | 0.37% |
Sold All 😨
(Was: #103) |
0.0 | -396,600 | -100.0% |
CLOSED
|
— | $— | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NGVC
Natural Grocers...
|
Consumer Defensive | 0.00% | 0.34% |
Sold All 😨
(Was: #112) |
0.0 | -218,806 | -100.0% |
CLOSED
|
— | $— | 2015 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EXLS
Exlservice Hold...
|
Technology | 0.00% | 0.33% |
Sold All 😨
(Was: #114) |
0.0 | -194,400 | -100.0% |
CLOSED
|
— | $— | 2006 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LMB
Limbach Hldgs, ...
|
Industrials | 0.00% | 0.31% |
Sold All 😨
(Was: #117) |
0.0 | -83,700 | -100.0% |
CLOSED
|
— | $— | 2023 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CLBT
Cellebrite DI L...
|
Technology | 0.00% | 0.29% |
Sold All 😨
(Was: #121) |
0.0 | -414,550 | -100.0% |
CLOSED
|
— | $— | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AOSL
Alpha & Omega S...
|
Technology | 0.00% | 0.29% |
Sold All 😨
(Was: #123) |
0.0 | -271,100 | -100.0% |
CLOSED
|
— | $— | 2010 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
IIIN
Insteel Industr...
|
Industrials | 0.00% | 0.19% |
Sold All 😨
(Was: #147) |
0.0 | -132,732 | -100.0% |
CLOSED
|
— | $— | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AVPT
AvePoint, Inc.
|
Technology | 0.00% | 0.17% |
Sold All 😨
(Was: #150) |
0.0 | -296,300 | -100.0% |
CLOSED
|
— | $— | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SE
Sea Ltd
|
Consumer Cyclical | 0.00% | 0.12% |
Sold All 😨
(Was: #157) |
0.0 | -17,000 | -100.0% |
CLOSED
|
— | $— | 2019 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CDNS
Cadence Design ...
|
Technology | 0.00% | 0.10% |
Sold All 😨
(Was: #159) |
0.0 | -7,400 | -100.0% |
CLOSED
|
— | $— | 2020 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPOT
Spotify Technol...
|
Communication Services | 0.00% | 0.07% |
Sold All 😨
(Was: #160) |
0.0 | -2,800 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PDD
PDD Holdings In...
|
Consumer Cyclical | 0.00% | 0.04% |
Sold All 😨
(Was: #166) |
0.0 | -7,000 | -100.0% |
CLOSED
|
— | $— | 2019 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HSAI
Hesai Group
|
Consumer Cyclical | 0.00% | 0.03% |
Sold All 😨
(Was: #168) |
0.0 | -28,000 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ARIS
Aris Water Solu...
|
Unknown | 0.00% | 0.02% |
Sold All 😨
(Was: #169) |
0.0 | -22,201 | -100.0% |
CLOSED
|
— | $— | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-25 of 203 holdings