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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
-6.15%
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
$2.01B
AUM Growth
-$115M
Cap. Flow
+$108M
Cap. Flow %
5.41%
Top 10 Hldgs %
18.43%
Holding
220
New
24
Increased
67
Reduced
19
Closed
28

Top Buys

Rank Stock Value
1
AMBA icon
Ambarella
AMBA
+$26.4M
2
LTH icon
Life Time Group Holdings
LTH
+$23.4M
3
AAOI icon
Applied Optoelectronics
AAOI
+$22.4M
4
WAY
Waystar Holding Corp
WAY
+$19.1M
5
CRDO icon
Credo Technology Group
CRDO
+$18.7M

Top Sells

Rank Stock Value
1
ANF icon
Abercrombie & Fitch
ANF
+$22M
2
HIMS icon
Hims & Hers Health
HIMS
+$20.4M
3
WFRD icon
Weatherford International
WFRD
+$19.8M
4
LIVN icon
LivaNova
LIVN
+$19.3M
5
TNDM icon
Tandem Diabetes Care
TNDM
+$18.2M

Sector Composition

Rank Sector Weight
1 Technology 33.93%
2 Healthcare 19.79%
3 Industrials 14.45%
4 Consumer Discretionary 14.32%
5 Consumer Staples 5.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TAL icon
176
TAL Education Group
TAL
$6.87B
$528K 0.03%
40,000
-20,000
-33% -$249K
TRV icon
177
Travelers Companies
TRV
$80.2B
$506K 0.03%
1,915
-18
-0.9% -$4.48K
LIVN icon
178
LivaNova
LIVN
$4.2B
$426K 0.02%
10,835
-429,700
-98% -$19.3M
HSAI
179
Hesai Group
HSAI
$3.02B
$414K 0.02%
28,000
– –
MA icon
180
Mastercard
MA
$493B
$390K 0.02%
711
-5
-0.7% -$2.72K
JNJ icon
181
Johnson & Johnson
JNJ
$625B
$351K 0.02%
2,119
+2
+0.1% +$313
RMD icon
182
ResMed
RMD
$30.7B
$325K 0.02%
1,450
– –
AMGN icon
183
Amgen
AMGN
$222B
$322K 0.02%
1,033
+1
+0.1% +$295
GOOGL icon
184
Alphabet (Google) Class A
GOOGL
$4.33T
$294K 0.01%
+1,900
New +$345K
MCD icon
185
McDonald's
MCD
$195B
$265K 0.01%
849
+1
+0.1% +$299
GOOG icon
186
Alphabet (Google) Class C
GOOG
$4.32T
$253K 0.01%
+1,620
New +$297K
BNY
187
Bank of New York Mellon
BNY
$107B
$247K 0.01%
2,946
+1
+0% +$84
WMT icon
188
Walmart Inc
WMT
$890B
$229K 0.01%
2,606
+2
+0.1% +$188
AFL icon
189
Aflac
AFL
$62.6B
$222K 0.01%
2,000
– –
TUYA
190
Tuya Inc
TUYA
$1.1B
$100K 0.01%
+33,000
New +$97.6K
VNET
191
VNET Group
VNET
$2.09B
$82K ﹤0.01%
+10,000
New +$91.7K
AMPH icon
192
Amphastar Pharmaceuticals
AMPH
$916M
– –
-184,595
Closed -$6.85M
ANF icon
193
Abercrombie & Fitch
ANF
$5B
– –
-147,300
Closed -$22M
AVAV icon
194
AeroVironment
AVAV
$9.45B
– –
-102,720
Closed -$15.8M
BLND icon
195
Blend Labs
BLND
$386M
– –
-964,700
Closed -$4.06M
ELF icon
196
e.l.f. Beauty
ELF
$5.81B
– –
-137,700
Closed -$17.3M
FORM icon
197
FormFactor
FORM
$9.17B
– –
-337,480
Closed -$14.8M
FRPT icon
198
Freshpet
FRPT
$3.22B
– –
-94,300
Closed -$14M
HAE icon
199
Haemonetics
HAE
$4B
– –
-224,920
Closed -$17.6M
HIMS icon
200
Hims & Hers Health
HIMS
$7.31B
– –
-843,600
Closed -$20.4M
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
Quadrant Capital Group Cincinnati, Ohio $3.34B AUM 29.16% 1-Year Est. Return

Oberweis Asset Management's Q1 2025 Portfolio in Review

As of Q1 2025, Oberweis Asset Management held 220 positions worth $2.01B, down 5.4% from $2.12B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

Oberweis Asset Management deployed $108M of net new capital in Q1 2025, opening 24 new positions and adding to 67 existing holdings. Its largest new stake was Life Time Group Holdings: 797,000 shares worth $24.1M.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 32% a quarter earlier, followed by Healthcare and Industrials.

On the sell side, the largest reduction was LivaNova, an estimated $19.3M trimmed.

  • Oberweis Asset Management's largest Q1 2025 buy was Life Time Group Holdings: 797,000 shares worth $24.1M.
  • Oberweis Asset Management added most to Ambarella in Q1 2025, an estimated $26.4M increase.
  • Oberweis Asset Management's biggest Q1 2025 reduction was LivaNova, cutting an estimated $19.3M.
  • Oberweis Asset Management fully exited Abercrombie & Fitch in Q1 2025, selling an estimated $22M.
  • Oberweis Asset Management's ten largest holdings make up 18% of its $2.01B portfolio in Q1 2025.
  • Oberweis Asset Management opened 24 new positions and closed 28 in Q1 2025.
  • Oberweis Asset Management's portfolio value fell 5.4% quarter-over-quarter to $2.01B.

Based on Oberweis Asset Management's 13F filing for Q1 2025, filed 15 May 2025.