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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
GOOGL icon
176
Alphabet (Google) Class A
GOOGL
$4.43T
$335K 0.01%
1,900
– –
JNJ icon
177
Johnson & Johnson
JNJ
$621B
$321K 0.01%
2,099
-20
-0.9% -$3.07K
AMGN icon
178
Amgen
AMGN
$220B
$289K 0.01%
1,034
+1
+0.1% +$283
GOOG icon
179
Alphabet (Google) Class C
GOOG
$4.4T
$287K 0.01%
1,620
– –
BNY
180
Bank of New York Mellon
BNY
$108B
$264K 0.01%
2,897
-49
-2% -$4.16K
WMT icon
181
Walmart Inc
WMT
$894B
$255K 0.01%
2,609
+3
+0.1% +$286
MCD icon
182
McDonald's
MCD
$195B
$249K 0.01%
851
+2
+0.2% +$617
AFL icon
183
Aflac
AFL
$63.9B
$211K 0.01%
2,000
– –
NEM icon
184
Newmont
NEM
$110B
$208K 0.01%
+3,571
New +$191K
ARDX icon
185
Ardelyx
ARDX
$1.21B
– –
-851,900
Closed -$4.18M
ATRC icon
186
AtriCure
ATRC
$2B
– –
-151,500
Closed -$4.89M
CBT icon
187
Cabot Corp
CBT
$4.36B
– –
-152,800
Closed -$12.7M
CCS icon
188
Century Communities
CCS
$2.03B
– –
-248,000
Closed -$16.6M
CLW icon
189
Clearwater Paper
CLW
$367M
– –
-175,200
Closed -$4.44M
DECK icon
190
Deckers Outdoor
DECK
$13.5B
– –
-169,870
Closed -$19M
DESP
191
DELISTED
Despegar.com
DESP
– –
-389,300
Closed -$7.31M
DLB icon
192
Dolby
DLB
$5.75B
– –
-181,000
Closed -$14.5M
DOCS icon
193
Doximity
DOCS
$3.94B
– –
-584,060
Closed -$33.9M
DORM icon
194
Dorman Products
DORM
$4.23B
– –
-208,520
Closed -$25.1M
DUOL icon
195
Duolingo
DUOL
$6.3B
– –
-31,000
Closed -$9.63M
FIVE icon
196
Five Below
FIVE
$12.4B
– –
-85,000
Closed -$6.37M
GDS icon
197
GDS Holdings
GDS
$6.55B
– –
-27,500
Closed -$697K
ICHR icon
198
Ichor Holdings
ICHR
$2.29B
– –
-337,800
Closed -$7.64M
KRYS icon
199
Krystal Biotech
KRYS
$9.64B
– –
-46,800
Closed -$8.44M
LIVN icon
200
LivaNova
LIVN
$4.29B
– –
-10,835
Closed -$426K
5 6 7
8
9

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VFCM
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MCM
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EFM
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DIA
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5NCM
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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.