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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
EYE icon
51
National Vision
EYE
$1.81B
$20.3M 0.74%
784,500
+189,600
+32% +$5.1M
AIZ icon
52
Assurant
AIZ
$14.6B
$20M 0.73%
83,000
– –
CARG icon
53
CarGurus
CARG
$3.56B
$19.9M 0.73%
518,400
– –
BOX icon
54
Box
BOX
$4.54B
$19.5M 0.71%
652,320
– –
DAN icon
55
Dana Inc
DAN
$3.03B
$18.9M 0.69%
+796,500
New +$16.9M
PI icon
56
Impinj
PI
$5.43B
$18.6M 0.68%
107,120
– –
FSS icon
57
Federal Signal
FSS
$7.81B
$18.1M 0.66%
166,500
– –
BLBD icon
58
Blue Bird Corp
BLBD
$2.17B
$18M 0.66%
382,638
+9,238
+2% +$483K
SXT icon
59
Sensient Technologies
SXT
$5.47B
$17.7M 0.65%
188,000
+53,800
+40% +$5.08M
GENI icon
60
Genius Sports
GENI
$2.17B
$17.5M 0.64%
1,585,900
+570,800
+56% +$6.22M
VISN
61
Vistance Networks Inc
VISN
$2.37B
$17.4M 0.64%
960,912
+170,000
+21% +$2.93M
SEI
62
Solaris Energy Infrastructure
SEI
$3.42B
$16.9M 0.62%
366,900
– –
LOPE icon
63
Grand Canyon Education
LOPE
$3.98B
$16.6M 0.61%
99,800
– –
UCTT
64
Ultra Clean Holdings
UCTT
$3.79B
$15.9M 0.58%
628,500
+15,200
+2% +$404K
ACIW icon
65
ACI Worldwide
ACIW
$5.56B
$15.8M 0.58%
330,702
– –
CNR
66
Core Natural Resources Inc
CNR
$4.29B
$15.8M 0.58%
+178,400
New +$15.2M
LFUS icon
67
Littelfuse
LFUS
$11.7B
$15.8M 0.58%
62,300
– –
ZETA icon
68
Zeta Global
ZETA
$6.56B
$15.6M 0.57%
767,020
+5,820
+0.8% +$109K
POWL icon
69
Powell Industries
POWL
$7.49B
$15.5M 0.57%
146,100
+3,600
+3% +$404K
SPXC icon
70
SPX Corp
SPXC
$10.7B
$15.4M 0.56%
76,900
– –
INDV icon
71
Indivior Pharmaceuticals
INDV
$4.51B
$15.2M 0.56%
+424,941
New +$13M
SGHC icon
72
SGHC Ltd
SGHC
$6.52B
$15.2M 0.55%
+1,268,500
New +$15.3M
ANIP icon
73
ANI Pharmaceuticals
ANIP
$1.72B
$14.9M 0.55%
188,830
+49,930
+36% +$4.32M
ALHC icon
74
Alignment Healthcare
ALHC
$2.86B
$14.8M 0.54%
+747,500
New +$13.4M
QLYS icon
75
Qualys
QLYS
$6.32B
$14.3M 0.52%
107,800
+23,800
+28% +$3.27M
1 2
3
4 5

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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.