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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
+11.11%
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
$2.73B
AUM Growth
+$123M
Cap. Flow
+$6.55M
Cap. Flow %
0.24%
Top 10 Hldgs %
20.79%
Holding
204
New
21
Increased
104
Reduced
20
Closed
25

Top Buys

Rank Stock Value
1
ARQT icon
Arcutis Biotherapeutics
ARQT
+$20.7M
2
GMED icon
Globus Medical
GMED
+$20.5M
3
DAN icon
Dana Inc
DAN
+$16.9M
4
SGHC icon
SGHC Ltd
SGHC
+$15.3M
5
CNR
Core Natural Resources Inc
CNR
+$15.2M

Top Sells

Rank Stock Value
1
ADMA icon
ADMA Biologics
ADMA
+$39.8M
2
SRAD icon
Sportradar
SRAD
+$37.1M
3
ITRI icon
Itron
ITRI
+$35.4M
4
LRN icon
Stride
LRN
+$27.1M
5
QRVO icon
Qorvo
QRVO
+$23.8M

Sector Composition

Rank Sector Weight
1 Technology 37.24%
2 Healthcare 19.19%
3 Industrials 17.15%
4 Consumer Discretionary 13.69%
5 Financials 4.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CAT icon
176
Caterpillar
CAT
$388B
$256K 0.01%
448
+22
+5% +$12.2K
WMT icon
177
Walmart Inc
WMT
$888B
$244K 0.01%
2,187
-170
-7% -$18.3K
AFL icon
178
Aflac
AFL
$62.7B
$221K 0.01%
2,000
– –
ADMA icon
179
ADMA Biologics
ADMA
$2.22B
– –
-2,712,040
Closed -$39.8M
AOSL icon
180
Alpha and Omega Semiconductor
AOSL
$1.06B
– –
-271,100
Closed -$7.58M
ARIS
181
DELISTED
Aris Water Solutions
ARIS
– –
-22,201
Closed -$547K
AVPT icon
182
AvePoint
AVPT
$2.72B
– –
-296,300
Closed -$4.45M
BMI icon
183
Badger Meter
BMI
$4.06B
– –
-72,610
Closed -$13M
CBSH icon
184
Commerce Bancshares
CBSH
$8.49B
– –
-185,735
Closed -$10.6M
CDNS icon
185
Cadence Design Systems
CDNS
$94.7B
– –
-7,400
Closed -$2.6M
CLBT icon
186
Cellebrite
CLBT
$3.87B
– –
-414,550
Closed -$7.68M
EXLS icon
187
EXL Service
EXLS
$5.29B
– –
-194,400
Closed -$8.56M
FIVN icon
188
FIVE9
FIVN
$2.59B
– –
-396,600
Closed -$9.6M
HSAI
189
Hesai Group
HSAI
$2.98B
– –
-28,000
Closed -$787K
IIIN icon
190
Insteel Industries
IIIN
$634M
– –
-132,732
Closed -$5.09M
ITRI icon
191
Itron
ITRI
$4.52B
– –
-284,150
Closed -$35.4M
LMB icon
192
Limbach Holdings
LMB
$574M
– –
-83,700
Closed -$8.13M
LRN icon
193
Stride
LRN
$3.33B
– –
-181,800
Closed -$27.1M
NGVC icon
194
Vitamin Cottage Natural Grocers
NGVC
$655M
– –
-218,806
Closed -$8.75M
OSPN icon
195
OneSpan
OSPN
$604M
– –
-640,450
Closed -$10.2M
PDD icon
196
Pinduoduo
PDD
$131B
– –
-7,000
Closed -$925K
PSN icon
197
Parsons
PSN
$5.03B
– –
-272,730
Closed -$22.6M
QRVO icon
198
Qorvo
QRVO
$8.58B
– –
-260,900
Closed -$23.8M
SE icon
199
Sea Limited
SE
$69.7B
– –
-17,000
Closed -$3.04M
SFM icon
200
Sprouts Farmers Market
SFM
$8.17B
– –
-145,500
Closed -$15.8M
5 6 7
8
9

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VFCM
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MCM
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EFM
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DIA
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5NCM
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QCG
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Oberweis Asset Management's Q4 2025 Portfolio in Review

As of Q4 2025, Oberweis Asset Management held 204 positions worth $2.73B, up 4.7% from $2.61B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

Oberweis Asset Management's Q4 2025 filing shows 21 new, 104 increased, 20 reduced and 25 closed positions. Its largest new stake was Arcutis Biotherapeutics: 808,400 shares worth $23.5M. The largest sale was ADMA Biologics, an estimated $39.8M.

By sector, the portfolio is most concentrated in Technology at 37% of assets, down from 41% a quarter earlier, followed by Healthcare and Industrials.

  • Oberweis Asset Management's largest Q4 2025 buy was Arcutis Biotherapeutics: 808,400 shares worth $23.5M.
  • Oberweis Asset Management added most to Alphatec Holdings in Q4 2025, an estimated $9.98M increase.
  • Oberweis Asset Management's biggest Q4 2025 reduction was Lumentum, cutting an estimated $12.3M.
  • Oberweis Asset Management fully exited ADMA Biologics in Q4 2025, selling an estimated $39.8M.
  • Oberweis Asset Management's ten largest holdings make up 21% of its $2.73B portfolio in Q4 2025.
  • Oberweis Asset Management opened 21 new positions and closed 25 in Q4 2025.
  • Oberweis Asset Management's portfolio value rose 4.7% quarter-over-quarter to $2.73B.

Based on Oberweis Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.