The Analysis of OBERWEIS ASSET MANAGEMENT INC/'s Holdings & P&L


Currently, OBERWEIS ASSET MANAGEMENT INC/ holds 180 types of securities in its portfolio with a total value $3.4B. In the most recent quarter, they have increased their positions in CRDO (+346.6K shares, valued at $32.5M), DAN (+815.0K shares, valued at $27.4M), AAOI (+310.3K shares, valued at $26.3M); decreased their positions in AMBA (-322.7K shares, valued at $16.6M), FRSH (-2.0M shares, valued at $16.0M), LITE (-14.7K shares, valued at $10.3M); initiated new positions in DRS (+449.5K shares, valued at $20.0M), N/A (+653.4K shares, valued at $19.9M), CHYM (+1.0M shares, valued at $19.4M).


1M P&L
+308.3M+9.21%
3M P&L
+730.3M+24.96%
HY P&L
+1.1B+43.99%

P&L figures are estimated based on reported 13F stock holdings and market price changes. They are approximations and may not reflect actual fund performance. Stock split events may also affect the accuracy of these calculations, and we cannot guarantee that all splits have been fully accounted for.

Top Holding Treemap

Top Industries by Value

1Semiconductors293.7M
11.0%
2Communication Equipment201.1M
7.5%
3Software - Infrastructure146.0M
5.5%

Top Industries by Stock Count

1Software - Infrastructure11 stocks
6.5%
2Software - Application10 stocks
5.9%
3Semiconductors10 stocks
5.9%
Stock Holdings
AAOI
Applied Optoelectronics Inc.
15.21%
Shares2.3M
Event2026-03-31
Filed2026-05-15
LITE
Lumentum Hldgs, Inc.
-5.24%
Shares266.2K
Event2026-03-31
Filed2026-05-15
CRDO
Credo Technology Group
51.32%
Shares1.0M
Event2026-03-31
Filed2026-05-15
DOCN
DigitalOcean Holdings, Inc.
19.09%
Shares927.5K
Event2026-03-31
Filed2026-05-15
SN
SharkNinja, Inc.
14.00%
Shares600.0K
Event2026-03-31
Filed2026-05-15
NVMI
Nova Ltd.
21.78%
Shares138.0K
Event2026-03-31
Filed2026-05-15
DAN
Dana Inc.
102.32%
Shares1.6M
Event2026-03-31
Filed2026-05-15
BTSG
BrightSpring Health Services
27.64%
Shares1.2M
Event2026-03-31
Filed2026-05-15
MTSI
Macom Technology Solutions
20.63%
Shares215.9K
Event2026-03-31
Filed2026-05-15
RMBS
Rambus, Inc
13.90%
Shares526.3K
Event2026-03-31
Filed2026-05-15
CLH
Clean Harbors, Inc.
23.52%
Shares144.4K
Event2026-03-31
Filed2026-05-15
SITM
SiTime Corporation
12.11%
Shares119.3K
Event2026-03-31
Filed2026-05-15
UCTT
Ultra Clean Holdings
1.91%
Shares640.5K
Event2026-03-31
Filed2026-05-15
ECG
Everus Construction Group
25.69%
Shares326.5K
Event2026-03-31
Filed2026-05-15
FTDR
Frontdoor, Inc.
17.53%
Shares718.0K
Event2026-03-31
Filed2026-05-15
CRS
Carpenter Technology Corp.
14.31%
Shares94.4K
Event2026-03-31
Filed2026-05-15
SKYW
Skywest Inc
2.69%
Shares392.5K
Event2026-03-31
Filed2026-05-15
LSCC
Lattice Semiconductor Corporat
19.01%
Shares374.4K
Event2026-03-31
Filed2026-05-15
GMED
Globus Medical, Inc.-A
45.26%
Shares392.2K
Event2026-03-31
Filed2026-05-15
CAMT
Camtek, Ltd.
1.78%
Shares222.8K
Event2026-03-31
Filed2026-05-15
ARQT
Arcutis Biotherapeutics, Inc.
68.97%
Shares1.4M
Event2026-03-31
Filed2026-05-15
FLS
Flowserve Corporation
6.04%
Shares434.7K
Event2026-03-31
Filed2026-05-15
SIMO
Silicon Motion Techn ADR
19.57%
Shares282.6K
Event2026-03-31
Filed2026-05-15
LTH
Life Time Holdings, Inc.
9.55%
Shares1.2M
Event2026-03-31
Filed2026-05-15
RSI
Rush Street Interactive, Inc.
1.62%
Shares1.4M
Event2026-03-31
Filed2026-05-15
FCFS
FirstCash Holdings, Inc
26.17%
Shares165.7K
Event2026-03-31
Filed2026-05-15
FSLY
Fastly, Inc.
55.27%
Shares1.1M
Event2026-03-31
Filed2026-05-15
TPC
Tutor Perini Corp.
1.73%
Shares393.9K
Event2026-03-31
Filed2026-05-15
BROS
Dutch Bros., Inc.
47.96%
Shares598.5K
Event2026-03-31
Filed2026-05-15
SEI
Solaris Energy Infrastructur
44.97%
Shares531.9K
Event2026-03-31
Filed2026-05-15
MMSI
Merit Medical System Inc
57.84%
Shares424.2K
Event2026-03-31
Filed2026-05-15
FSS
Federal Signal Corp.
60.74%
Shares267.6K
Event2026-03-31
Filed2026-05-15
AMSC
American Superconductor
1.67%
Shares849.9K
Event2026-03-31
Filed2026-05-15
MRCY
Mercury Systems, Inc.
-5.56%
Shares391.0K
Event2026-03-31
Filed2026-05-15
ACA
Arcosa, Inc.
20.80%
Shares267.7K
Event2026-03-31
Filed2026-05-15
OSIS
Osi Systems, Inc.
5.12%
Shares106.6K
Event2026-03-31
Filed2026-05-15
Core Natural Resources, Inc.
Core Natural Resources, Inc.
51.23%
Shares269.8K
Event2026-03-31
Filed2026-05-15
WAY
Waystar Holding Corp.
38.89%
Shares1.2M
Event2026-03-31
Filed2026-05-15
EHC
Encompass Health Corporation
-19.36%
Shares289.5K
Event2026-03-31
Filed2026-05-15
VCYT
Veracyte, Inc.
15.56%
Shares839.8K
Event2026-03-31
Filed2026-05-15
AIR
AAR Corp.
-10.11%
Shares245.1K
Event2026-03-31
Filed2026-05-15
ICUI
ICU Medical, Inc.
21.23%
Shares203.7K
Event2026-03-31
Filed2026-05-15
LFUS
Littelfuse, Inc.
15.25%
Shares71.8K
Event2026-03-31
Filed2026-05-15
PRIM
Primoris Services Corp.
1.71%
Shares166.1K
Event2026-03-31
Filed2026-05-15
RELY
Remitly Global, Inc.
45.02%
Shares1.5M
Event2026-03-31
Filed2026-05-15
G
Genpact Ltd.
16.34%
Shares606.8K
Event2026-03-31
Filed2026-05-15
AIZ
Assurant, Inc.
23.25%
Shares102.3K
Event2026-03-31
Filed2026-05-15
BLBD
Blue Bird Corporation
1.72%
Shares389.2K
Event2026-03-31
Filed2026-05-15
IMAX
Imax Corp.
-11.52%
Shares577.1K
Event2026-03-31
Filed2026-05-15
LEVI
Levi Strauss & Co.
17.45%
Shares1.2M
Event2026-03-31
Filed2026-05-15
ATEC
Alphatec Hldgs Inc.
90.75%
Shares1.9M
Event2026-03-31
Filed2026-05-15
LASR
nLIGHT Inc.
1.85%
Shares363.0K
Event2026-03-31
Filed2026-05-15
EYE
National Vision Holdings, Inc.
1.69%
Shares797.8K
Event2026-03-31
Filed2026-05-15
ABCB
Ameris Bancorp
68.48%
Shares263.5K
Event2026-03-31
Filed2026-05-15
LIVN
LivaNova Plc
51.63%
Shares321.9K
Event2026-03-31
Filed2026-05-15
DRS
Leonardo DRS, Inc.
New
Shares449.5K
Event2026-03-31
Filed2026-05-15
URBN
Urban Outfitters, Inc.
9.91%
Shares314.8K
Event2026-03-31
Filed2026-05-15
Indivior Plc
Indivior Plc
New
Shares653.4K
Event2026-03-31
Filed2026-05-15
LOPE
Grand Canyon Education, Inc.
17.13%
Shares116.9K
Event2026-03-31
Filed2026-05-15
COMM
Vistance Networks, Inc.
13.64%
Shares1.1M
Event2026-03-31
Filed2026-05-15
MTDR
Matador Resources Company
23.16%
Shares312.7K
Event2026-03-31
Filed2026-05-15
VIAV
Viavi Solutions, Inc.
16.75%
Shares593.2K
Event2026-03-31
Filed2026-05-15
CHYM
Chime Financial Inc.
New
Shares1.0M
Event2026-03-31
Filed2026-05-15
PEGA
Pegasystems Inc.
7.17%
Shares455.3K
Event2026-03-31
Filed2026-05-15
CPRX
Catalyst Pharmaceuticals, Inc.
32.98%
Shares780.6K
Event2026-03-31
Filed2026-05-15
QTWO
Q2 Holdings, Inc.
17.15%
Shares394.6K
Event2026-03-31
Filed2026-05-15
POWL
Powell Industries Inc.
-29.86%
Shares34.2K
Event2026-03-31
Filed2026-05-15
IRTC
Irhythm Holdings, Inc.
30.33%
Shares156.0K
Event2026-03-31
Filed2026-05-15
BOX
Box, Inc.
18.27%
Shares771.5K
Event2026-03-31
Filed2026-05-15
AGX
Argan, Inc
1.06%
Shares33.3K
Event2026-03-31
Filed2026-05-15
HNGE
Hinge Health, Inc.
New
Shares465.8K
Event2026-03-31
Filed2026-05-15
NYT
New York Times Co. Cl A
-30.08%
Shares211.7K
Event2026-03-31
Filed2026-05-15
AEO
American Eagle Outfitters
28.29%
Shares1.0M
Event2026-03-31
Filed2026-05-15
ALHC
Alighnment Healthcare, Inc.
29.31%
Shares966.6K
Event2026-03-31
Filed2026-05-15
ANIP
ANI Pharmaceuticals, Inc.
17.24%
Shares221.4K
Event2026-03-31
Filed2026-05-15
NVST
Envista Holdings Corp.
New
Shares665.4K
Event2026-03-31
Filed2026-05-15
WGS
Genedx Holdings Corp.
31.49%
Shares261.4K
Event2026-03-31
Filed2026-05-15
SPXC
SPX Technologies, Inc.
8.51%
Shares83.4K
Event2026-03-31
Filed2026-05-15
SHAK
Shake Shack, Inc.
New
Shares187.6K
Event2026-03-31
Filed2026-05-15
CALX
Calix, Inc.
36.97%
Shares335.0K
Event2026-03-31
Filed2026-05-15
SGHC
Super Group SGHC Ltd.
19.39%
Shares1.5M
Event2026-03-31
Filed2026-05-15
EZPW
EZCorp, Inc.
1.83%
Shares639.4K
Event2026-03-31
Filed2026-05-15
LMAT
LeMaitre Vascular, Inc.
27.77%
Shares148.6K
Event2026-03-31
Filed2026-05-15
AEIS
Advanced Energy Industry, Inc.
23.89%
Shares49.2K
Event2026-03-31
Filed2026-05-15
ZWS
Zurn Elkay Water Solutions Cor
32.40%
Shares352.2K
Event2026-03-31
Filed2026-05-15
FN
Fabrinet
20.09%
Shares30.3K
Event2026-03-31
Filed2026-05-15
Kiniksa Pharmaceuticals, Ltd.
Kiniksa Pharmaceuticals, Ltd.
1.87%
Shares318.6K
Event2026-03-31
Filed2026-05-15
PAHC
Phibro Animal Health Corp
32.08%
Shares277.1K
Event2026-03-31
Filed2026-05-15
DIOD
Diodes, Inc.
47.66%
Shares224.3K
Event2026-03-31
Filed2026-05-15
AMBA
Ambarella, Inc.
-52.22%
Shares295.2K
Event2026-03-31
Filed2026-05-15
MD
Pediatrix Medical Group, Inc.
25.20%
Shares701.1K
Event2026-03-31
Filed2026-05-15
MGY
Magnolia Oil & Gas Corp.
20.77%
Shares454.5K
Event2026-03-31
Filed2026-05-15
SKWD
Skyward Specialty Ins Group
37.73%
Shares327.1K
Event2026-03-31
Filed2026-05-15
HALO
Halozyme Therapeutics, Inc.
87.05%
Shares219.9K
Event2026-03-31
Filed2026-05-15
LQDA
Liquidia Corp.
13.03%
Shares372.1K
Event2026-03-31
Filed2026-05-15
ARLO
Arlo Technologies, Inc.
New
Shares982.3K
Event2026-03-31
Filed2026-05-15
HQY
HealthEquity Inc.
17.70%
Shares166.6K
Event2026-03-31
Filed2026-05-15
PUMP
ProPetro Holding Corp.
1.86%
Shares965.5K
Event2026-03-31
Filed2026-05-15
ZETA
Zeta Global Holdings Corp.
13.56%
Shares871.1K
Event2026-03-31
Filed2026-05-15
MIR
Mirion Technologies, Inc.
22.45%
Shares744.3K
Event2026-03-31
Filed2026-05-15
MOG.A
Moog Inc. - A
New
Shares44.9K
Event2026-03-31
Filed2026-05-15
IDCC
Interdigital, Inc.
50.69%
Shares42.6K
Event2026-03-31
Filed2026-05-15
DCO
Ducommun Inc.
1.83%
Shares99.9K
Event2026-03-31
Filed2026-05-15
PI
Impinj, Inc.
10.24%
Shares118.1K
Event2026-03-31
Filed2026-05-15
ATEN
A10 Networks, Inc.
New
Shares504.3K
Event2026-03-31
Filed2026-05-15
Dave, Inc.
Dave, Inc.
13.20%
Shares66.7K
Event2026-03-31
Filed2026-05-15
Seacoast Bkg Corp.
Seacoast Bkg Corp.
New
Shares378.9K
Event2026-03-31
Filed2026-05-15
AXGN
AxoGen Inc.
1.84%
Shares342.4K
Event2026-03-31
Filed2026-05-15
BHE
Benchmark Electronics Inc
1.82%
Shares201.9K
Event2026-03-31
Filed2026-05-15
ADPT
Adaptive Biotechnologies
8.39%
Shares807.0K
Event2026-03-31
Filed2026-05-15
OSW
OneSpaWorld Holdings Limited
1.85%
Shares485.7K
Event2026-03-31
Filed2026-05-15
NIC
Nicolet Bankshares, Inc.
21.23%
Shares74.8K
Event2026-03-31
Filed2026-05-15
PDS
Precision Drilling Corp.
13.17%
Shares112.6K
Event2026-03-31
Filed2026-05-15
TILE
Interface, Inc.
1.86%
Shares443.9K
Event2026-03-31
Filed2026-05-15
ETON
Eton Pharmaceuticals, Inc.
1.85%
Shares439.3K
Event2026-03-31
Filed2026-05-15
QLYS
Qualys, Inc.
10.30%
Shares118.9K
Event2026-03-31
Filed2026-05-15
PLUS
EPlus, Inc.
23.99%
Shares137.5K
Event2026-03-31
Filed2026-05-15
EVLV
Evolv Technologies Holdings
55.11%
Shares1.7M
Event2026-03-31
Filed2026-05-15
BOOT
Boot Barn Hldgs, Inc.
26.77%
Shares68.2K
Event2026-03-31
Filed2026-05-15
AMPX
Amprius Technologies, Inc.
New
Shares585.0K
Event2026-03-31
Filed2026-05-15
MHO
M/I Homes, Inc.
1.87%
Shares76.4K
Event2026-03-31
Filed2026-05-15
FBK
FB Financial Corp.
1.82%
Shares162.1K
Event2026-03-31
Filed2026-05-15
ADUS
Addus Homecare Corp.
14.32%
Shares89.4K
Event2026-03-31
Filed2026-05-15
CRMD
CorMedix, Inc.
50.43%
Shares1.2M
Event2026-03-31
Filed2026-05-15
AORT
Artivion, Inc
1.87%
Shares221.1K
Event2026-03-31
Filed2026-05-15
CECO
CECO Environmental Corp.
-7.20%
Shares135.0K
Event2026-03-31
Filed2026-05-15
Expro Group Holdings N.V.
Expro Group Holdings N.V.
1.86%
Shares454.6K
Event2026-03-31
Filed2026-05-15
THR
Thermon Group Hldgs Inc.
New
Shares154.7K
Event2026-03-31
Filed2026-05-15
MGNI
Magnite, Inc.
1.86%
Shares647.6K
Event2026-03-31
Filed2026-05-15
LINC
Lincoln EDL Svcs
-39.03%
Shares188.4K
Event2026-03-31
Filed2026-05-15
RDWR
Radware, Ltd.
1.85%
Shares286.7K
Event2026-03-31
Filed2026-05-15
NPKI
NPK International, Inc.
1.85%
Shares518.1K
Event2026-03-31
Filed2026-05-15
COCO
The Vita Coco Co., Inc.
-33.12%
Shares156.1K
Event2026-03-31
Filed2026-05-15
APEI
American Public Education, Inc
New
Shares130.4K
Event2026-03-31
Filed2026-05-15
BW
Babcock & Wilcox Enterprises,
New
Shares500.2K
Event2026-03-31
Filed2026-05-15
LIND
Lindblad Expeditions Holdings,
23.44%
Shares378.7K
Event2026-03-31
Filed2026-05-15
VSEC
VSE Corp.
1.82%
Shares34.0K
Event2026-03-31
Filed2026-05-15
KN
Knowles Corp.
New
Shares234.2K
Event2026-03-31
Filed2026-05-15
SRCE
1st Source Corp.
1.77%
Shares86.2K
Event2026-03-31
Filed2026-05-15
CRAI
CRA Int'l Inc.
1.96%
Shares36.5K
Event2026-03-31
Filed2026-05-15
GRC
The Gorman-Rupp Co.
1.93%
Shares95.0K
Event2026-03-31
Filed2026-05-15
BVS
Bioventus, Inc.
1.87%
Shares628.1K
Event2026-03-31
Filed2026-05-15
CNXN
PC Connection, Inc.
New
Shares96.2K
Event2026-03-31
Filed2026-05-15
HURN
Huron Consulting Group, Inc.
1.93%
Shares42.3K
Event2026-03-31
Filed2026-05-15
TCMD
Tactile Sys Technology, Inc.
1.88%
Shares202.8K
Event2026-03-31
Filed2026-05-15
COUR
Coursera, Inc.
1.86%
Shares821.8K
Event2026-03-31
Filed2026-05-15
BRCB
Black Rock Coffee Bar, Inc.
New
Shares365.6K
Event2026-03-31
Filed2026-05-15
RCKY
Rocky Brands, Inc.
New
Shares118.0K
Event2026-03-31
Filed2026-05-15
CLMB
Climb Global Solutions, Inc.
307.70%
Shares211.8K
Event2026-03-31
Filed2026-05-15
RDVT
Red Violet, Inc.
1.85%
Shares104.7K
Event2026-03-31
Filed2026-05-15
SPY
SPDR S&P 500 ETF Trust
15.52%
Shares2.4K
Event2026-03-31
Filed2026-05-15
HTHT
H World Group Ltd.
0.00%
Shares24.0K
Event2026-03-31
Filed2026-05-15
MSFT
Microsoft Corp.
0.00%
Shares2.7K
Event2026-03-31
Filed2026-05-15
JPM
JP Morgan Chase & Company Inc.
4.33%
Shares3.2K
Event2026-03-31
Filed2026-05-15
AAPL
Apple, Inc.
1.58%
Shares3.5K
Event2026-03-31
Filed2026-05-15
FUTU
Futu Holdings Ltd.
-59.09%
Shares4.5K
Event2026-03-31
Filed2026-05-15
JNJ
Johnson & Johnson
11.90%
Shares2.3K
Event2026-03-31
Filed2026-05-15
Alphabet, Inc. Cl A
Alphabet, Inc. Cl A
0.00%
Shares1.9K
Event2026-03-31
Filed2026-05-15
ACMR
ACM Research, Inc. Class A
New
Shares13.0K
Event2026-03-31
Filed2026-05-15
Alphabet, Inc. Cl C
Alphabet, Inc. Cl C
0.00%
Shares1.6K
Event2026-03-31
Filed2026-05-15
FRSH
Freshworks, Inc.
-97.19%
Shares57.8K
Event2026-03-31
Filed2026-05-15
TRV
The Travelers Co., Inc.
0.06%
Shares1.6K
Event2026-03-31
Filed2026-05-15
AMGN
Amgen, Inc.
0.10%
Shares1.0K
Event2026-03-31
Filed2026-05-15
WEAV
Weave Communications, Inc.
-92.71%
Shares72.8K
Event2026-03-31
Filed2026-05-15
MA
Mastercard, Inc.
0.00%
Shares662
Event2026-03-31
Filed2026-05-15
RMD
Resmed Inc.
0.00%
Shares1.4K
Event2026-03-31
Filed2026-05-15
NEM
Newmont Mining
0.07%
Shares2.9K
Event2026-03-31
Filed2026-05-15
BK
Bank of New York Mellon Corp.
-1.68%
Shares2.5K
Event2026-03-31
Filed2026-05-15
GLD
SPDR Gold Shares ETF
0.00%
Shares675
Event2026-03-31
Filed2026-05-15
CAT
Caterpillar, Inc.
-8.93%
Shares408
Event2026-03-31
Filed2026-05-15
IBEX Ltd.
IBEX Ltd.
-95.78%
Shares10.2K
Event2026-03-31
Filed2026-05-15
WMT
Wal Mart Stores Inc.
-2.29%
Shares2.1K
Event2026-03-31
Filed2026-05-15
MCD
McDonald's Corporation
0.23%
Shares855
Event2026-03-31
Filed2026-05-15
WFC-PL
Wells Fargo Co New Perp Pfd
0.00%
Shares225
Event2026-03-31
Filed2026-05-15
MU
Micron Technology
-84.44%
Shares700
Event2026-03-31
Filed2026-05-15
XOM
Exxon Mobil Corp.
New
Shares1.3K
Event2026-03-31
Filed2026-05-15
AFL
Aflac Inc.
0.00%
Shares2.0K
Event2026-03-31
Filed2026-05-15
FCX
Freeport Mcmoran Copper & Gold
New
Shares3.6K
Event2026-03-31
Filed2026-05-15
Merck & Co.
Merck & Co.
New
Shares1.7K
Event2026-03-31
Filed2026-05-15
Xenacare Hldgs, Inc.
Xenacare Hldgs, Inc.
0.00%
Shares140.0K
Event2026-03-31
Filed2026-05-15

Call Option Holdings
No call option holdings data available

Put Option Holdings
No put option holdings data available
OBERWEIS ASSET MANAGEMENT INC/ Institutional Holdings, Portfolio & P&L β€” TradeFomo