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OAM

Oberweis Asset Management Portfolio holdings

AUM $3.39B
1-Year Est. Return 105.5%
This Fund
S&P 500
This Quarter Est. Return
+24.05%
1 Year Est. Return
+105.5%
3 Year Est. Return
+311.52%
5 Year Est. Return
+632.9%
10 Year Est. Return
+11,604.3%
AUM
$3.39B
AUM Growth
+$651M
Cap. Flow
+$406M
Cap. Flow %
11.98%
Top 10 Hldgs %
26.04%
Holding
200
New
21
Increased
130
Reduced
19
Closed
20

Top Buys

Rank Stock Value
1
CRDO icon
Credo Technology Group
CRDO
+$42.2M
2
DAN icon
Dana Inc
DAN
+$25.5M
3
CHYM
Chime Financial
CHYM
+$23.5M
4
AAOI icon
Applied Optoelectronics
AAOI
+$19.8M
5
HNGE
Hinge Health
HNGE
+$19.4M

Top Sells

Rank Stock Value
1
AMBA icon
Ambarella
AMBA
+$20.1M
2
CARG icon
CarGurus
CARG
+$19.9M
3
FRSH icon
Freshworks
FRSH
+$18.4M
4
SXT icon
Sensient Technologies
SXT
+$17.7M
5
GENI icon
Genius Sports
GENI
+$17.5M

Sector Composition

Rank Sector Weight
1 Technology 39.82%
2 Industrials 18.77%
3 Healthcare 18.12%
4 Consumer Discretionary 12.4%
5 Financials 4.26%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CECO icon
126
Ceco Environmental
CECO
$4.78B
$8.05M 0.24%
135,032
-10,476
-7% -$674K
XPRO icon
127
Expro Ltd
XPRO
$1.79B
$7.91M 0.23%
454,600
+8,300
+2% +$136K
THR
128
DELISTED
Thermon Group Holdings
THR
$7.8M 0.23%
+154,700
New +$7.21M
MGNI icon
129
Magnite
MGNI
$2.62B
$7.69M 0.23%
647,600
+11,800
+2% +$158K
LINC icon
130
Lincoln Educational Services
LINC
$1.27B
$7.67M 0.23%
188,447
-120,653
-39% -$3.8M
RDWR icon
131
Radware
RDWR
$1.24B
$7.55M 0.22%
286,700
+5,200
+2% +$129K
NPKI
132
NPK International
NPKI
$1.25B
$7.51M 0.22%
518,150
+9,400
+2% +$130K
COCO icon
133
Vita Coco
COCO
$4.25B
$7.48M 0.22%
156,108
-77,292
-33% -$4.22M
APEI icon
134
American Public Education
APEI
$868M
$7.42M 0.22%
+130,400
New +$5.97M
BW icon
135
Babcock & Wilcox
BW
$1.59B
$7.35M 0.22%
+500,200
New +$5.26M
LIND icon
136
Lindblad Expeditions
LIND
$1.82B
$6.55M 0.19%
378,721
+71,921
+23% +$1.28M
VSEC icon
137
VSE Corp
VSEC
$5.53B
$6.27M 0.19%
34,008
+608
+2% +$124K
KN icon
138
Knowles
KN
$3.13B
$6.01M 0.18%
+234,200
New +$5.93M
SRCE icon
139
1st Source
SRCE
$1.99B
$5.97M 0.18%
86,200
+1,500
+2% +$101K
CRAI icon
140
CRA International
CRAI
$1.09B
$5.9M 0.17%
36,470
+700
+2% +$126K
GRC icon
141
Gorman-Rupp
GRC
$2.12B
$5.9M 0.17%
95,000
+1,800
+2% +$106K
BVS icon
142
Bioventus
BVS
$788M
$5.73M 0.17%
628,114
+11,500
+2% +$96.4K
CNXN icon
143
PC Connection
CNXN
$2.04B
$5.62M 0.17%
+96,200
New +$5.76M
HURN icon
144
Huron Consulting
HURN
$1.81B
$5.39M 0.16%
42,300
+800
+2% +$120K
TCMD icon
145
Tactile Systems Technology
TCMD
$623M
$5.3M 0.16%
202,839
+3,739
+2% +$107K
COUR icon
146
Coursera
COUR
$1.53B
$4.78M 0.14%
821,800
+15,000
+2% +$93.6K
BRCB
147
Black Rock Coffee Bar Inc
BRCB
$172M
$4.72M 0.14%
+365,600
New +$5.93M
RCKY icon
148
Rocky Brands
RCKY
$311M
$4.57M 0.14%
+118,000
New +$4.3M
CLMB icon
149
Climb Global Solutions
CLMB
$473M
$4.2M 0.12%
211,840
+4,000
+2% +$104K
RDVT icon
150
Red Violet
RDVT
$893M
$3.62M 0.11%
104,700
+1,900
+2% +$83.6K
4 5
6
7 8

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DIA
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Oberweis Asset Management's Q1 2026 Portfolio in Review

As of Q1 2026, Oberweis Asset Management held 200 positions worth $3.39B, up 24% from $2.73B the previous quarter. Its ten largest holdings account for 26% of the portfolio.

Oberweis Asset Management deployed $406M of net new capital in Q1 2026, opening 21 new positions and adding to 130 existing holdings. Its largest new stake was Chime Financial: 1,035,530 shares worth $19.4M.

By sector, the portfolio is most concentrated in Technology at 40% of assets, up from 37% a quarter earlier, followed by Industrials and Healthcare.

On the sell side, the largest reduction was Ambarella, an estimated $20.1M trimmed.

  • Oberweis Asset Management's largest Q1 2026 buy was Chime Financial: 1,035,530 shares worth $19.4M.
  • Oberweis Asset Management added most to Credo Technology Group in Q1 2026, an estimated $42.2M increase.
  • Oberweis Asset Management's biggest Q1 2026 reduction was Ambarella, cutting an estimated $20.1M.
  • Oberweis Asset Management fully exited CarGurus in Q1 2026, selling an estimated $19.9M.
  • Oberweis Asset Management's ten largest holdings make up 26% of its $3.39B portfolio in Q1 2026.
  • Oberweis Asset Management opened 21 new positions and closed 20 in Q1 2026.
  • Oberweis Asset Management's portfolio value rose 24% quarter-over-quarter to $3.39B.

Based on Oberweis Asset Management's 13F filing for Q1 2026, filed 15 May 2026.