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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
CRS icon
51
Carpenter Technology
CRS
$28.4B
$14.7M 0.74%
81,411
-2,030
-2% -$391K
CARG icon
52
CarGurus
CARG
$3.44B
$14.6M 0.73%
500,000
– –
DLB icon
53
Dolby
DLB
$5.77B
$14.5M 0.72%
181,000
– –
PRIM icon
54
Primoris Services
PRIM
$4.48B
$13.9M 0.7%
242,900
– –
PEGA icon
55
Pegasystems
PEGA
$5.36B
$13.6M 0.68%
390,800
+99,800
+34% +$4.41M
BROS icon
56
Dutch Bros
BROS
$9.36B
$13.5M 0.67%
219,000
– –
CLBT icon
57
Cellebrite
CLBT
$3.9B
$13.5M 0.67%
692,910
– –
UCTT
58
Ultra Clean Holdings
UCTT
$3.88B
$13.1M 0.65%
613,300
– –
CBT icon
59
Cabot Corp
CBT
$4.49B
$12.7M 0.63%
152,800
– –
AIR icon
60
AAR Corp
AIR
$5.77B
$12.3M 0.61%
+220,000
New +$14.6M
AMSC icon
61
American Superconductor
AMSC
$1.59B
$12.1M 0.6%
668,200
+3,800
+0.6% +$94.8K
CAMT icon
62
Camtek
CAMT
$7.2B
$11.7M 0.58%
199,980
– –
OMCL icon
63
Omnicell
OMCL
$1.7B
$11.6M 0.58%
333,200
– –
BLBD icon
64
Blue Bird Corp
BLBD
$2.15B
$11.6M 0.58%
358,900
– –
CPRX
65
DELISTED
Catalyst Pharmaceutical
CPRX
$11.3M 0.57%
467,600
+500
+0.1% +$11.3K
WGS icon
66
GeneDx Holdings
WGS
$2.29B
$10.9M 0.55%
123,500
– –
NOV icon
67
NOV
NOV
$7.02B
$10.9M 0.54%
+716,400
New +$10.7M
RSI icon
68
Rush Street Interactive
RSI
$2.91B
$10.6M 0.53%
991,900
– –
CBSH icon
69
Commerce Bancshares
CBSH
$8.5B
$10.4M 0.52%
176,180
– –
EZPW icon
70
Ezcorp Inc
EZPW
$1.72B
$10.1M 0.5%
685,500
– –
UAA icon
71
Under Armour
UAA
$2.57B
$9.96M 0.5%
1,593,200
+440,000
+38% +$3.28M
FIVN icon
72
FIVE9
FIVN
$2.57B
$9.95M 0.5%
+366,600
New +$13.4M
SPXC icon
73
SPX Corp
SPXC
$10.8B
$9.71M 0.48%
75,400
– –
DUOL icon
74
Duolingo
DUOL
$5.98B
$9.63M 0.48%
31,000
– –
PLYA
75
DELISTED
Playa Hotels & Resorts
PLYA
$9.4M 0.47%
705,100
– –
1 2
3
4 5

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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 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.