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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
+24.05%
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
$3.39B
AUM Growth
+$651M
Cap. Flow
+$406M
Cap. Flow %
11.98%
Top 10 Hldgs %
26.04%
Holding
200
New
21
Increased
130
Reduced
19
Closed
20

Top Buys

Rank Stock Value
1
CRDO icon
Credo Technology Group
CRDO
+$42.2M
2
DAN icon
Dana Inc
DAN
+$25.5M
3
CHYM
Chime Financial
CHYM
+$23.5M
4
AAOI icon
Applied Optoelectronics
AAOI
+$19.8M
5
HNGE
Hinge Health
HNGE
+$19.4M

Top Sells

Rank Stock Value
1
AMBA icon
Ambarella
AMBA
+$20.1M
2
CARG icon
CarGurus
CARG
+$19.9M
3
FRSH icon
Freshworks
FRSH
+$18.4M
4
SXT icon
Sensient Technologies
SXT
+$17.7M
5
GENI icon
Genius Sports
GENI
+$17.5M

Sector Composition

Rank Sector Weight
1 Technology 39.82%
2 Industrials 18.77%
3 Healthcare 18.12%
4 Consumer Discretionary 12.4%
5 Financials 4.26%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FCFS icon
26
FirstCash
FCFS
$9.15B
$31.1M 0.92%
165,665
+34,365
+26% +$6.21M
FSLY icon
27
Fastly Inc
FSLY
$3.2B
$31.1M 0.92%
1,071,022
+381,222
+55% +$6.26M
TPC
28
Tutor Perini Cor
TPC
$4.58B
$30.4M 0.9%
393,900
+6,700
+2% +$513K
BROS icon
29
Dutch Bros
BROS
$8.91B
$30.3M 0.9%
598,493
+193,993
+48% +$10.6M
SEI
30
Solaris Energy Infrastructure
SEI
$3.86B
$30.1M 0.89%
531,889
+164,989
+45% +$8.93M
MMSI icon
31
Merit Medical Systems
MMSI
$4.36B
$29.2M 0.86%
424,209
+155,449
+58% +$12.1M
FSS icon
32
Federal Signal
FSS
$7.13B
$28.9M 0.85%
267,634
+101,134
+61% +$11.4M
AMSC icon
33
American Superconductor
AMSC
$1.62B
$28.8M 0.85%
849,900
+14,000
+2% +$442K
MRCY icon
34
Mercury Systems
MRCY
$5.94B
$28.5M 0.84%
391,023
-23,017
-6% -$2M
ACA icon
35
Arcosa
ACA
$7.13B
$28.4M 0.84%
267,700
+46,100
+21% +$5.24M
OSIS icon
36
OSI Systems
OSIS
$3.46B
$28.3M 0.84%
106,593
+5,193
+5% +$1.44M
CNR
37
Core Natural Resources Inc
CNR
$4.41B
$28.3M 0.83%
269,800
+91,400
+51% +$8.7M
WAY
38
Waystar Holding Corp
WAY
$3.99B
$28.1M 0.83%
1,167,474
+326,874
+39% +$8.68M
EHC icon
39
Encompass Health
EHC
$11B
$28M 0.83%
289,485
-69,486
-19% -$7.13M
VCYT icon
40
Veracyte
VCYT
$4.63B
$27.1M 0.8%
839,834
+113,094
+16% +$4.19M
AIR icon
41
AAR Corp
AIR
$5.07B
$26.8M 0.79%
245,125
-27,575
-10% -$2.97M
ICUI icon
42
ICU Medical
ICUI
$3.93B
$26.3M 0.78%
203,710
+35,670
+21% +$5.13M
LFUS icon
43
Littelfuse
LFUS
$10.5B
$24.4M 0.72%
71,800
+9,500
+15% +$3.08M
PRIM icon
44
Primoris Services
PRIM
$4.86B
$23.8M 0.7%
166,100
+2,800
+2% +$410K
RELY icon
45
Remitly
RELY
$4.87B
$22.8M 0.67%
1,454,300
+451,500
+45% +$6.68M
G icon
46
Genpact
G
$5.09B
$22.6M 0.67%
606,832
+85,230
+16% +$3.51M
AIZ icon
47
Assurant
AIZ
$13.5B
$22.3M 0.66%
102,300
+19,300
+23% +$4.4M
BLBD icon
48
Blue Bird Corp
BLBD
$2.54B
$22.1M 0.65%
389,238
+6,600
+2% +$356K
IMAX icon
49
IMAX
IMAX
$2.16B
$21.9M 0.65%
577,139
-75,161
-12% -$2.79M
LEVI icon
50
Levi Strauss
LEVI
$9.52B
$21.6M 0.64%
1,167,300
+173,400
+17% +$3.55M
1
2
3 4 5

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Oberweis Asset Management's Q1 2026 Portfolio in Review

As of Q1 2026, Oberweis Asset Management held 200 positions worth $3.39B, up 24% from $2.73B the previous quarter. Its ten largest holdings account for 26% of the portfolio.

Oberweis Asset Management deployed $406M of net new capital in Q1 2026, opening 21 new positions and adding to 130 existing holdings. Its largest new stake was Chime Financial: 1,035,530 shares worth $19.4M.

By sector, the portfolio is most concentrated in Technology at 40% of assets, up from 37% a quarter earlier, followed by Industrials and Healthcare.

On the sell side, the largest reduction was Ambarella, an estimated $20.1M trimmed.

  • Oberweis Asset Management's largest Q1 2026 buy was Chime Financial: 1,035,530 shares worth $19.4M.
  • Oberweis Asset Management added most to Credo Technology Group in Q1 2026, an estimated $42.2M increase.
  • Oberweis Asset Management's biggest Q1 2026 reduction was Ambarella, cutting an estimated $20.1M.
  • Oberweis Asset Management fully exited CarGurus in Q1 2026, selling an estimated $19.9M.
  • Oberweis Asset Management's ten largest holdings make up 26% of its $3.39B portfolio in Q1 2026.
  • Oberweis Asset Management opened 21 new positions and closed 20 in Q1 2026.
  • Oberweis Asset Management's portfolio value rose 24% quarter-over-quarter to $3.39B.

Based on Oberweis Asset Management's 13F filing for Q1 2026, filed 15 May 2026.