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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
EVLV icon
126
Evolv Technologies
EVLV
$1.1B
$7.72M 0.28%
1,077,900
+129,500
+14% +$921K
WEAV icon
127
Weave Communications
WEAV
$421M
$7.58M 0.28%
999,080
+13,130
+1% +$87.2K
DIOD icon
128
Diodes
DIOD
$4.84B
$7.49M 0.27%
151,900
-66,800
-31% -$3.38M
NIC icon
129
Nicolet Bankshares
NIC
$3.62B
$7.48M 0.27%
61,700
+1,500
+2% +$190K
LINC icon
130
Lincoln Educational Services
LINC
$1.3B
$7.46M 0.27%
309,100
+7,500
+2% +$163K
FRME icon
131
First Merchants
FRME
$2.67B
$7.35M 0.27%
196,000
– –
ETON icon
132
Eton Pharmaceutcials
ETON
$1.22B
$7.29M 0.27%
431,300
+238,940
+124% +$4.2M
CRAI icon
133
CRA International
CRAI
$1.09B
$7.18M 0.26%
35,770
+870
+2% +$164K
HURN icon
134
Huron Consulting
HURN
$2.42B
$7.18M 0.26%
41,500
+1,000
+2% +$164K
PDS
135
Precision Drilling
PDS
$974M
$7.15M 0.26%
99,500
+2,400
+2% +$147K
FSLY icon
136
Fastly Inc
FSLY
$3.66B
$7.02M 0.26%
+689,800
New +$6.8M
MBUU icon
137
Malibu Boats
MBUU
$567M
$6.89M 0.25%
244,100
+5,900
+2% +$171K
RDWR icon
138
Radware
RDWR
$1.19B
$6.78M 0.25%
281,500
+6,800
+2% +$166K
HWKN icon
139
Hawkins
HWKN
$2.71B
$6.65M 0.24%
46,800
+1,100
+2% +$162K
PGY icon
140
Pagaya Technologies
PGY
$1.78B
$6.39M 0.23%
305,600
+115,600
+61% +$2.94M
NPKI
141
NPK International
NPKI
$1.14B
$6.06M 0.22%
508,750
+12,250
+2% +$149K
XPRO icon
142
Expro Ltd
XPRO
$1.91B
$5.96M 0.22%
446,300
+10,800
+2% +$146K
COUR icon
143
Coursera
COUR
$1.54B
$5.94M 0.22%
806,800
+245,800
+44% +$2.14M
RDVT icon
144
Red Violet
RDVT
$924M
$5.85M 0.21%
102,800
+2,500
+2% +$136K
AIOT
145
PowerFleet Inc
AIOT
$592M
$5.83M 0.21%
1,095,252
+26,452
+2% +$135K
TCMD icon
146
Tactile Systems Technology
TCMD
$665M
$5.77M 0.21%
+199,100
New +$4.42M
VSEC icon
147
VSE Corp
VSEC
$6.12B
$5.77M 0.21%
33,400
-11,200
-25% -$1.92M
CLMB icon
148
Climb Global Solutions
CLMB
$519M
$5.34M 0.2%
207,840
+77,840
+60% +$2.26M
SRCE icon
149
1st Source
SRCE
$2.12B
$5.29M 0.19%
84,700
+2,000
+2% +$124K
BVS icon
150
Bioventus
BVS
$1.19B
$4.59M 0.17%
616,614
+14,900
+2% +$107K
4 5
6
7 8

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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.