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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
MOG.A icon
101
Moog Inc Class A
MOG.A
$12.8B
$13.1M 0.39%
+44,910
New +$13.7M
IDCC icon
102
InterDigital
IDCC
$6.7B
$12.9M 0.38%
42,645
+14,345
+51% +$4.88M
DCO icon
103
Ducommun
DCO
$2.63B
$12.2M 0.36%
99,900
+1,800
+2% +$215K
PI icon
104
Impinj
PI
$4.2B
$12.1M 0.36%
118,086
+10,966
+10% +$1.46M
ATEN icon
105
A10 Networks
ATEN
$2.56B
$11.7M 0.34%
+504,300
New +$9.86M
DAVE icon
106
Dave Inc
DAVE
$5.39B
$11.6M 0.34%
66,702
+7,780
+13% +$1.51M
SBCF icon
107
Seacoast Banking Corp of Florida
SBCF
$3.25B
$11.5M 0.34%
+378,866
New +$12.2M
AXGN icon
108
Axogen
AXGN
$2.09B
$11.3M 0.34%
342,394
+6,194
+2% +$201K
BHE icon
109
Benchmark Electronics
BHE
$3B
$11.3M 0.33%
201,900
+3,600
+2% +$194K
ADPT icon
110
Adaptive Biotechnologies
ADPT
$3.51B
$11.2M 0.33%
806,951
+62,451
+8% +$995K
OSW icon
111
OneSpaWorld
OSW
$2.64B
$11.1M 0.33%
485,690
+8,800
+2% +$187K
NIC icon
112
Nicolet Bankshares
NIC
$3.57B
$11.1M 0.33%
74,800
+13,100
+21% +$1.9M
PDS
113
Precision Drilling
PDS
$1.11B
$11.1M 0.33%
112,600
+13,100
+13% +$1.12M
TILE icon
114
Interface
TILE
$1.9B
$11.1M 0.33%
443,900
+8,100
+2% +$242K
ETON icon
115
Eton Pharmaceutcials
ETON
$1.19B
$10.8M 0.32%
439,300
+8,000
+2% +$140K
QLYS icon
116
Qualys
QLYS
$4.94B
$10.4M 0.31%
118,900
+11,100
+10% +$1.23M
PLUS icon
117
ePlus
PLUS
$2.29B
$10.3M 0.31%
137,498
+26,600
+24% +$2.18M
EVLV icon
118
Evolv Technologies
EVLV
$964M
$10.1M 0.3%
1,671,949
+594,049
+55% +$3.48M
BOOT icon
119
Boot Barn
BOOT
$4.53B
$9.98M 0.29%
68,200
+14,400
+27% +$2.61M
AMPX icon
120
Amprius Technologies
AMPX
$1.44B
$9.86M 0.29%
+585,000
New +$7.63M
MHO icon
121
M/I Homes
MHO
$3.81B
$9.36M 0.28%
76,400
+1,400
+2% +$188K
FBK icon
122
FB Financial Corp
FBK
$2.94B
$8.42M 0.25%
162,100
+2,900
+2% +$163K
ADUS icon
123
Addus HomeCare
ADUS
$2.08B
$8.37M 0.25%
89,396
+11,196
+14% +$1.19M
CRMD icon
124
CorMedix
CRMD
$623M
$8.22M 0.24%
1,211,115
+406,000
+50% +$3M
AORT icon
125
Artivion
AORT
$1.22B
$8.1M 0.24%
221,122
+4,062
+2% +$160K
3 4
5
6 7

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VFCM
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BCM
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MCM
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EFM
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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.