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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
HQY icon
76
HealthEquity
HQY
$8.73B
$11.9M 0.52%
113,820
+7,920
+7% +$751K
LMB icon
77
Limbach Holdings
LMB
$593M
$11.7M 0.51%
83,700
-27,100
-24% -$3.08M
DIOD icon
78
Diodes
DIOD
$3.93B
$11.6M 0.5%
+218,700
New +$9.62M
RELY icon
79
Remitly
RELY
$5.07B
$11.2M 0.49%
+594,500
New +$12.4M
CBSH icon
80
Commerce Bancshares
CBSH
$8.58B
$11M 0.48%
185,735
+9,555
+5% +$561K
OSPN icon
81
OneSpan
OSPN
$604M
$10.6M 0.46%
635,150
+88,800
+16% +$1.38M
SEI
82
Solaris Energy Infrastructure
SEI
$3.41B
$10.4M 0.45%
366,900
+6,900
+2% +$162K
CPRX
83
DELISTED
Catalyst Pharmaceutical
CPRX
$10.2M 0.44%
468,200
+600
+0.1% +$14.2K
ABCB icon
84
Ameris Bancorp
ABCB
$5.97B
$10.1M 0.44%
156,400
+12,300
+9% +$729K
BFAM icon
85
Bright Horizons
BFAM
$3.97B
$9.84M 0.43%
79,604
-50,300
-39% -$6.17M
LMAT icon
86
LeMaitre Vascular
LMAT
$1.81B
$9.52M 0.41%
114,666
+12,601
+12% +$1.05M
EZPW icon
87
Ezcorp Inc
EZPW
$1.83B
$9.51M 0.41%
685,500
– –
OSW icon
88
OneSpaWorld
OSW
$2.7B
$9.49M 0.41%
465,400
– –
HALO icon
89
Halozyme
HALO
$9.91B
$9.48M 0.41%
+182,200
New +$10.4M
BPMC
90
DELISTED
Blueprint Medicines
BPMC
$9.29M 0.4%
72,500
-2,500
-3% -$260K
NOV icon
91
NOV
NOV
$6.95B
$9.08M 0.39%
730,200
+13,800
+2% +$174K
ANIP icon
92
ANI Pharmaceuticals
ANIP
$1.82B
$9.06M 0.39%
138,900
+73,300
+112% +$4.77M
ADUS icon
93
Addus HomeCare
ADUS
$2.17B
$9.01M 0.39%
78,200
+18,300
+31% +$1.98M
VRNS icon
94
Varonis Systems
VRNS
$4.98B
$8.96M 0.39%
176,600
+3,300
+2% +$150K
TILE icon
95
Interface
TILE
$2.04B
$8.9M 0.39%
425,300
– –
EXLS icon
96
EXL Service
EXLS
$5.11B
$8.51M 0.37%
194,400
+3,600
+2% +$165K
MGY icon
97
Magnolia Oil & Gas
MGY
$5.62B
$8.46M 0.37%
376,300
+7,100
+2% +$157K
KNSA icon
98
Kiniksa Pharmaceuticals
KNSA
$6.09B
$8.44M 0.37%
305,200
+68,000
+29% +$1.73M
COCO icon
99
Vita Coco
COCO
$3.75B
$8.3M 0.36%
230,000
– –
FARO
100
DELISTED
Faro Technologies
FARO
$8.22M 0.36%
187,200
+24,200
+15% +$885K
2 3
4
5 6

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VFCM
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MCM
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EFM
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DIA
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QCG
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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.