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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
PEGA icon
26
Pegasystems
PEGA
$5.23B
$25.4M 0.93%
424,840
+35,440
+9% +$2.08M
FRSH icon
27
Freshworks
FRSH
$3.18B
$25.2M 0.92%
2,054,470
-5,000
-0.2% -$59.1K
BROS icon
28
Dutch Bros
BROS
$9.01B
$24.8M 0.91%
404,500
– –
G icon
29
Genpact
G
$5.98B
$24.4M 0.89%
521,602
+4,802
+0.9% +$208K
QTWO icon
30
Q2 Holdings
QTWO
$3.97B
$24.3M 0.89%
336,860
+44,600
+15% +$3.06M
IMAX icon
31
IMAX
IMAX
$2.78B
$24.1M 0.88%
652,300
+72,700
+13% +$2.53M
AMSC icon
32
American Superconductor
AMSC
$1.6B
$24.1M 0.88%
835,900
+170,200
+26% +$7.36M
ICUI icon
33
ICU Medical
ICUI
$4.16B
$24M 0.88%
168,040
+18,910
+13% +$2.53M
MMSI icon
34
Merit Medical Systems
MMSI
$5.21B
$23.7M 0.87%
268,760
+36,750
+16% +$3.13M
GMED icon
35
Globus Medical
GMED
$10.9B
$23.6M 0.86%
+270,000
New +$20.5M
ACA icon
36
Arcosa
ACA
$7.14B
$23.6M 0.86%
221,600
– –
ARQT icon
37
Arcutis Biotherapeutics
ARQT
$3.39B
$23.5M 0.86%
+808,400
New +$20.7M
CAMT icon
38
Camtek
CAMT
$6.89B
$23.3M 0.85%
218,880
+5,300
+2% +$595K
LSCC icon
39
Lattice Semiconductor
LSCC
$18.2B
$23.2M 0.85%
314,636
+39,100
+14% +$2.78M
AIR icon
40
AAR Corp
AIR
$5.86B
$22.6M 0.83%
272,700
+36,200
+15% +$2.99M
ECG
41
Everus Construction Group
ECG
$7.18B
$22.2M 0.81%
259,800
– –
SIMO icon
42
Silicon Motion
SIMO
$8.36B
$21.9M 0.8%
236,300
+5,700
+2% +$523K
URBN icon
43
Urban Outfitters
URBN
$6.67B
$21.6M 0.79%
286,400
+52,100
+22% +$3.69M
AEO icon
44
American Eagle Outfitters
AEO
$2.99B
$21.5M 0.79%
814,500
+330,500
+68% +$6.53M
IRTC icon
45
iRhythm Holdings
IRTC
$4.09B
$21.2M 0.78%
119,700
+38,500
+47% +$6.82M
ATEC icon
46
Alphatec Holdings
ATEC
$1.47B
$21M 0.77%
1,000,400
+539,278
+117% +$9.98M
NYT icon
47
New York Times
NYT
$10.6B
$21M 0.77%
302,700
+50,700
+20% +$3.14M
FCFS icon
48
FirstCash
FCFS
$9.02B
$20.9M 0.77%
131,300
+33,500
+34% +$5.28M
LEVI icon
49
Levi Strauss
LEVI
$9.53B
$20.6M 0.75%
993,900
+90,400
+10% +$1.95M
PRIM icon
50
Primoris Services
PRIM
$4.52B
$20.3M 0.74%
163,300
-29,100
-15% -$3.8M
1
2
3 4 5

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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.