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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
+26.28%
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
$2.3B
AUM Growth
+$292M
Cap. Flow
-$53.2M
Cap. Flow %
-2.32%
Top 10 Hldgs %
19.66%
Holding
212
New
20
Increased
88
Reduced
33
Closed
27

Top Buys

Rank Stock Value
1
LITE icon
Lumentum
LITE
+$19.1M
2
BTSG icon
BrightSpring Health Services
BTSG
+$16.2M
3
QRVO icon
Qorvo
QRVO
+$14.5M
4
BMI icon
Badger Meter
BMI
+$13.6M
5
SITM icon
SiTime
SITM
+$13.3M

Top Sells

Rank Stock Value
1
DOCS icon
Doximity
DOCS
+$33.9M
2
CRDO icon
Credo Technology Group
CRDO
+$29.2M
3
DORM icon
Dorman Products
DORM
+$25.1M
4
DECK icon
Deckers Outdoor
DECK
+$19M
5
CCS icon
Century Communities
CCS
+$16.6M

Sector Composition

Rank Sector Weight
1 Technology 38.26%
2 Industrials 17.9%
3 Healthcare 17.2%
4 Consumer Discretionary 11.36%
5 Financials 5.44%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AIR icon
51
AAR Corp
AIR
$5.89B
$16.3M 0.71%
236,500
+16,500
+8% +$990K
IMAX icon
52
IMAX
IMAX
$2.79B
$16.2M 0.71%
579,600
– –
BLBD icon
53
Blue Bird Corp
BLBD
$2.44B
$16.1M 0.7%
373,400
+14,500
+4% +$552K
RSI icon
54
Rush Street Interactive
RSI
$2.74B
$15.9M 0.69%
1,069,700
+77,800
+8% +$965K
SITM icon
55
SiTime
SITM
$16.5B
$15.7M 0.68%
+73,496
New +$13.3M
URBN icon
56
Urban Outfitters
URBN
$6.64B
$15.4M 0.67%
+212,100
New +$12.7M
BRBR icon
57
BellRing Brands
BRBR
$1.46B
$15.3M 0.67%
264,200
-9,100
-3% -$607K
ACIW icon
58
ACI Worldwide
ACIW
$5.84B
$15.2M 0.66%
331,602
-54,600
-14% -$2.68M
AEIS icon
59
Advanced Energy
AEIS
$13.4B
$15.2M 0.66%
+114,700
New +$12.6M
WGS icon
60
GeneDx Holdings
WGS
$2.07B
$15M 0.65%
162,900
+39,400
+32% +$3.09M
PRIM icon
61
Primoris Services
PRIM
$4.61B
$15M 0.65%
192,400
-50,500
-21% -$3.42M
FIVN icon
62
FIVE9
FIVN
$2.28B
$14.7M 0.64%
555,900
+189,300
+52% +$4.93M
BMI icon
63
Badger Meter
BMI
$4.05B
$14.7M 0.64%
+59,910
New +$13.6M
ECG
64
Everus Construction Group
ECG
$7.05B
$14.6M 0.64%
+230,100
New +$11.6M
AGX icon
65
Argan
AGX
$8.58B
$14.5M 0.63%
65,791
+1
+0% +$180
UCTT
66
Ultra Clean Holdings
UCTT
$3.71B
$13.8M 0.6%
613,300
– –
EYE icon
67
National Vision
EYE
$1.84B
$13.7M 0.6%
+594,900
New +$10.1M
G icon
68
Genpact
G
$5.95B
$13.5M 0.59%
306,100
-217,500
-42% -$9.85M
FCFS icon
69
FirstCash
FCFS
$9.07B
$13.2M 0.58%
97,800
+27,700
+40% +$3.54M
SPXC icon
70
SPX Corp
SPXC
$10.8B
$12.9M 0.56%
76,900
+1,500
+2% +$220K
IRTC icon
71
iRhythm Holdings
IRTC
$4.09B
$12.5M 0.54%
+81,200
New +$10.5M
OSCR icon
72
Oscar Health
OSCR
$9.28B
$12.4M 0.54%
578,430
+10,100
+2% +$150K
MGNI icon
73
Magnite
MGNI
$2.92B
$12.4M 0.54%
514,000
+308,300
+150% +$4.54M
MTDR icon
74
Matador Resources
MTDR
$5.92B
$12.1M 0.53%
253,900
+78,600
+45% +$3.47M
QLYS icon
75
Qualys
QLYS
$6.57B
$12M 0.52%
84,000
+11,900
+17% +$1.58M
1 2
3
4 5

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MCM
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Oberweis Asset Management's Q2 2025 Portfolio in Review

As of Q2 2025, Oberweis Asset Management held 212 positions worth $2.3B, up 15% from $2.01B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

Oberweis Asset Management's Q2 2025 filing shows 20 new, 88 increased, 33 reduced and 27 closed positions. Its largest new stake was Lumentum: 269,050 shares worth $25.6M. The largest sale was Doximity, an estimated $33.9M.

By sector, the portfolio is most concentrated in Technology at 38% of assets, up from 34% a quarter earlier, followed by Industrials and Healthcare.

  • Oberweis Asset Management's largest Q2 2025 buy was Lumentum: 269,050 shares worth $25.6M.
  • Oberweis Asset Management added most to Applied Optoelectronics in Q2 2025, an estimated $8.14M increase.
  • Oberweis Asset Management's biggest Q2 2025 reduction was Credo Technology Group, cutting an estimated $29.2M.
  • Oberweis Asset Management fully exited Doximity in Q2 2025, selling an estimated $33.9M.
  • Oberweis Asset Management's ten largest holdings make up 20% of its $2.3B portfolio in Q2 2025.
  • Oberweis Asset Management opened 20 new positions and closed 27 in Q2 2025.
  • Oberweis Asset Management's portfolio value rose 15% quarter-over-quarter to $2.3B.

Based on Oberweis Asset Management's 13F filing for Q2 2025, filed 14 Aug 2025.