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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
+18.07%
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
$2.61B
AUM Growth
+$313M
Cap. Flow
+$42.8M
Cap. Flow %
1.64%
Top 10 Hldgs %
19.73%
Holding
208
New
23
Increased
43
Reduced
40
Closed
25

Top Buys

Rank Stock Value
1
LEVI icon
Levi Strauss
LEVI
+$19.2M
2
PI icon
Impinj
PI
+$16.9M
3
LSCC icon
Lattice Semiconductor
LSCC
+$16.8M
4
LFUS icon
Littelfuse
LFUS
+$15.6M
5
SXT icon
Sensient Technologies
SXT
+$14.7M

Top Sells

Rank Stock Value
1
COOP
Mr. Cooper
COOP
+$23.2M
2
PRMB
Primo Brands
PRMB
+$18.1M
3
GAP
The Gap Inc
GAP
+$17.2M
4
BRBR icon
BellRing Brands
BRBR
+$15.3M
5
CRDO icon
Credo Technology Group
CRDO
+$14M

Sector Composition

Rank Sector Weight
1 Technology 40.8%
2 Industrials 18.17%
3 Healthcare 15.54%
4 Consumer Discretionary 11.69%
5 Financials 4.76%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CRDO icon
1
Credo Technology Group
CRDO
$39.7B
$93.8M 3.59%
643,948
-114,620
-15% -$14M
LITE icon
2
Lumentum
LITE
$59.4B
$53.5M 2.05%
328,630
+59,580
+22% +$7.43M
RMBS icon
3
Rambus
RMBS
$10.4B
$52.9M 2.03%
507,899
+2,119
+0.4% +$163K
AMBA icon
4
Ambarella
AMBA
$2.99B
$50.4M 1.93%
611,360
+38,000
+7% +$2.76M
SN icon
5
SharkNinja
SN
$21B
$49.8M 1.91%
482,810
-1,750
-0.4% -$200K
AAOI icon
6
Applied Optoelectronics
AAOI
$8.04B
$49M 1.87%
1,888,041
– –
EHC icon
7
Encompass Health
EHC
$11.2B
$45.6M 1.75%
358,800
-225
-0.1% -$26.8K
FTDR icon
8
Frontdoor
FTDR
$5.02B
$41.1M 1.57%
610,860
– –
ADMA icon
9
ADMA Biologics
ADMA
$1.92B
$39.8M 1.52%
2,712,040
-423,850
-14% -$7.27M
AMSC icon
10
American Superconductor
AMSC
$1.48B
$39.5M 1.51%
665,700
-2,500
-0.4% -$125K
SRAD icon
11
Sportradar
SRAD
$4.23B
$37.1M 1.42%
1,379,100
+1,700
+0.1% +$50.4K
NVMI
12
Nova
NVMI
$13.9B
$36.2M 1.39%
113,285
+185
+0.2% +$51.1K
ITRI icon
13
Itron
ITRI
$3.73B
$35.4M 1.36%
284,150
-350
-0.1% -$44.5K
SKYW icon
14
Skywest
SKYW
$4.11B
$33.3M 1.27%
330,790
-210
-0.1% -$23.5K
SITM icon
15
SiTime
SITM
$16.6B
$32.1M 1.23%
106,396
+32,900
+45% +$7.63M
WAY
16
Waystar Holding Corp
WAY
$4.32B
$31.7M 1.21%
836,550
+91,570
+12% +$3.39M
MRCY icon
17
Mercury Systems
MRCY
$6.2B
$30.8M 1.18%
398,500
– –
CLH icon
18
Clean Harbors
CLH
$16.1B
$27.1M 1.04%
116,770
-530
-0.5% -$125K
LRN icon
19
Stride
LRN
$3.69B
$27.1M 1.04%
181,800
– –
BTSG icon
20
BrightSpring Health Services
BTSG
$14.3B
$26.8M 1.03%
908,000
+132,200
+17% +$3.07M
PRIM icon
21
Primoris Services
PRIM
$4.69B
$26.4M 1.01%
192,400
– –
DOCN icon
22
DigitalOcean
DOCN
$14.4B
$26.4M 1.01%
772,000
+140,080
+22% +$4.44M
OSIS icon
23
OSI Systems
OSIS
$3.57B
$25.3M 0.97%
101,400
-7,600
-7% -$1.73M
TPC
24
Tutor Perini Cor
TPC
$4.57B
$24.8M 0.95%
377,800
– –
VCYT icon
25
Veracyte
VCYT
$4.52B
$24.8M 0.95%
721,690
-4,800
-0.7% -$138K
1
2 3 4 5

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Oberweis Asset Management's Q3 2025 Portfolio in Review

As of Q3 2025, Oberweis Asset Management held 208 positions worth $2.61B, up 14% from $2.3B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

Oberweis Asset Management's Q3 2025 filing shows 23 new, 43 increased, 40 reduced and 25 closed positions. Its largest new stake was Levi Strauss: 903,500 shares worth $21.1M. The largest sale was Mr. Cooper, an estimated $23.2M.

By sector, the portfolio is most concentrated in Technology at 41% of assets, up from 38% a quarter earlier, followed by Industrials and Healthcare.

  • Oberweis Asset Management's largest Q3 2025 buy was Levi Strauss: 903,500 shares worth $21.1M.
  • Oberweis Asset Management added most to Dutch Bros in Q3 2025, an estimated $10.5M increase.
  • Oberweis Asset Management's biggest Q3 2025 reduction was Credo Technology Group, cutting an estimated $14M.
  • Oberweis Asset Management fully exited Mr. Cooper in Q3 2025, selling an estimated $23.2M.
  • Oberweis Asset Management's ten largest holdings make up 20% of its $2.61B portfolio in Q3 2025.
  • Oberweis Asset Management opened 23 new positions and closed 25 in Q3 2025.
  • Oberweis Asset Management's portfolio value rose 14% quarter-over-quarter to $2.61B.

Based on Oberweis Asset Management's 13F filing for Q3 2025, filed 17 Nov 2025.