We are live on ! Find out more
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
CRS icon
26
Carpenter Technology
CRS
$26.8B
$22.9M 1%
82,911
+1,500
+2% +$327K
BOX icon
27
Box
BOX
$4.41B
$22.3M 0.97%
653,920
+56,820
+10% +$1.86M
CVLT icon
28
Commault Systems
CVLT
$5.15B
$21.9M 0.95%
125,900
+18,900
+18% +$3.23M
MRCY icon
29
Mercury Systems
MRCY
$6.35B
$21.5M 0.93%
398,500
-13,800
-3% -$672K
PEGA icon
30
Pegasystems
PEGA
$5.16B
$21.1M 0.92%
389,800
-1,000
-0.3% -$45.3K
PSN icon
31
Parsons
PSN
$5.05B
$20.4M 0.89%
284,150
-7,310
-3% -$483K
ICUI icon
32
ICU Medical
ICUI
$4.32B
$19.9M 0.87%
150,890
-4,800
-3% -$651K
MMSI icon
33
Merit Medical Systems
MMSI
$5.1B
$19.9M 0.87%
212,810
+4,250
+2% +$403K
VCYT icon
34
Veracyte
VCYT
$3.62B
$19.6M 0.85%
726,490
-42,860
-6% -$1.24M
ACA icon
35
Arcosa
ACA
$7.14B
$19.2M 0.84%
221,600
+18,600
+9% +$1.56M
SFM icon
36
Sprouts Farmers Market
SFM
$8.3B
$18.9M 0.82%
114,600
+6,100
+6% +$997K
BTSG icon
37
BrightSpring Health Services
BTSG
$12B
$18.3M 0.8%
+775,800
New +$16.2M
PRMB
38
Primo Brands
PRMB
$8.06B
$18.1M 0.79%
611,300
-21,100
-3% -$674K
CAMT icon
39
Camtek
CAMT
$6.52B
$18.1M 0.79%
213,580
+13,600
+7% +$917K
DOCN icon
40
DigitalOcean
DOCN
$14.9B
$18M 0.79%
631,920
+45,420
+8% +$1.33M
FSS icon
41
Federal Signal
FSS
$7.89B
$17.7M 0.77%
166,500
-63,330
-28% -$5.64M
TPC
42
Tutor Perini Cor
TPC
$4.51B
$17.7M 0.77%
377,800
+41,600
+12% +$1.32M
ZETA icon
43
Zeta Global
ZETA
$5.66B
$17.6M 0.77%
1,136,400
-706,840
-38% -$9.39M
CARG icon
44
CarGurus
CARG
$3.35B
$17.4M 0.75%
518,400
+18,400
+4% +$554K
SIMO icon
45
Silicon Motion
SIMO
$8.51B
$17.3M 0.75%
230,600
+47,500
+26% +$2.7M
GAP
46
The Gap Inc
GAP
$7.37B
$17.2M 0.75%
790,300
-27,300
-3% -$610K
LOPE icon
47
Grand Canyon Education
LOPE
$3.92B
$17.1M 0.74%
90,400
+1,700
+2% +$315K
QRVO icon
48
Qorvo
QRVO
$7.87B
$17M 0.74%
+200,300
New +$14.5M
AIZ icon
49
Assurant
AIZ
$14B
$16.4M 0.71%
83,000
+2,000
+2% +$393K
BROS icon
50
Dutch Bros
BROS
$8.91B
$16.3M 0.71%
238,000
+19,000
+9% +$1.24M
1
2
3 4 5

Similar funds

BG
Bollard Group Boston, Massachusetts $3.39B AUM 1.06% 1-Year Est. Return
DFO
Duquesne Family Office New York $3.38B AUM 61.92% 1-Year Est. Return
VFCM
Valley Forge Capital Management Miami, Florida $3.38B AUM 15.93% 1-Year Est. Return
MCM
Marsico Capital Management Denver, Colorado $3.4B AUM 51.58% 1-Year Est. Return
EFM
E Fund Management Guangzhou, China $3.37B AUM
DIA
Dana Investment Advisors Waukesha, Wisconsin $3.35B AUM 29.65% 1-Year Est. Return
5NCM
59 North Capital Management Houston, Texas $3.35B AUM 22.14% 1-Year Est. Return
QCG
Quadrant Capital Group Cincinnati, Ohio $3.34B AUM 29.16% 1-Year Est. Return

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.