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
-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
AAOI icon
26
Applied Optoelectronics
AAOI
$9.97B
$21.3M 1.06%
1,384,841
+889,026
+179% +$22.4M
ACIW icon
27
ACI Worldwide
ACIW
$5.61B
$21.1M 1.05%
386,202
+53,190
+16% +$2.82M
NVMI
28
Nova
NVMI
$12.1B
$20.5M 1.02%
111,000
– –
BRBR icon
29
BellRing Brands
BRBR
$1.41B
$20.3M 1.01%
273,300
+20,200
+8% +$1.48M
DOCN icon
30
DigitalOcean
DOCN
$14.4B
$19.6M 0.98%
586,500
+160,800
+38% +$6.28M
OSIS icon
31
OSI Systems
OSIS
$3.91B
$19.5M 0.97%
100,400
– –
QTWO icon
32
Q2 Holdings
QTWO
$3.95B
$19.4M 0.97%
242,990
+126,490
+109% +$11.2M
DECK icon
33
Deckers Outdoor
DECK
$13.3B
$19M 0.95%
169,870
+87,530
+106% +$14.1M
BOX icon
34
Box
BOX
$4.41B
$18.4M 0.92%
597,100
+38,600
+7% +$1.25M
MRCY icon
35
Mercury Systems
MRCY
$6.53B
$17.8M 0.89%
+412,300
New +$18.1M
COOP
36
DELISTED
Mr. Cooper
COOP
$17.6M 0.88%
147,100
– –
PSN icon
37
Parsons
PSN
$5.12B
$17.3M 0.86%
291,460
+23,990
+9% +$1.74M
AIZ icon
38
Assurant
AIZ
$14.7B
$17M 0.85%
81,000
– –
FSS icon
39
Federal Signal
FSS
$7.8B
$16.9M 0.84%
229,830
– –
CVLT icon
40
Commault Systems
CVLT
$5.53B
$16.9M 0.84%
+107,000
New +$17.6M
GAP
41
The Gap Inc
GAP
$7.39B
$16.9M 0.84%
817,600
+91,100
+13% +$2.05M
FN icon
42
Fabrinet
FN
$19.5B
$16.7M 0.83%
84,600
+20,800
+33% +$4.54M
CCS icon
43
Century Communities
CCS
$1.96B
$16.6M 0.83%
248,000
– –
SFM icon
44
Sprouts Farmers Market
SFM
$8.13B
$16.6M 0.83%
108,500
– –
BFAM icon
45
Bright Horizons
BFAM
$3.89B
$16.5M 0.82%
129,904
– –
YOU icon
46
Clear Secure
YOU
$5.34B
$15.8M 0.79%
609,400
– –
ONTO icon
47
Onto Innovation
ONTO
$13.4B
$15.7M 0.78%
129,175
-60
-0% -$10.1K
ACA icon
48
Arcosa
ACA
$7.12B
$15.7M 0.78%
203,000
– –
LOPE icon
49
Grand Canyon Education
LOPE
$3.88B
$15.3M 0.76%
88,700
+17,500
+25% +$3.04M
IMAX icon
50
IMAX
IMAX
$2.73B
$15.3M 0.76%
579,600
– –
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 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.