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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
ATEC icon
51
Alphatec Holdings
ATEC
$1.24B
$20.8M 0.61%
1,908,293
+907,893
+91% +$13.2M
LASR icon
52
nLIGHT
LASR
$4.09B
$20.7M 0.61%
363,010
+6,610
+2% +$358K
EYE icon
53
National Vision
EYE
$1.59B
$20.7M 0.61%
797,780
+13,280
+2% +$361K
ABCB icon
54
Ameris Bancorp
ABCB
$6.05B
$20.6M 0.61%
263,500
+107,100
+68% +$8.5M
LIVN icon
55
LivaNova
LIVN
$4.3B
$20.5M 0.6%
321,900
+109,600
+52% +$7.07M
DRS icon
56
Leonardo DRS
DRS
$12.2B
$20M 0.59%
+449,500
New +$18.9M
URBN icon
57
Urban Outfitters
URBN
$6.31B
$19.9M 0.59%
314,792
+28,392
+10% +$1.95M
INDV icon
58
Indivior Pharmaceuticals
INDV
$4.78B
$19.9M 0.59%
653,413
+228,472
+54% +$7.55M
LOPE icon
59
Grand Canyon Education
LOPE
$3.63B
$19.9M 0.59%
116,900
+17,100
+17% +$2.87M
VISN
60
Vistance Networks Inc
VISN
$2.72B
$19.9M 0.59%
1,092,012
+131,100
+14% +$2.39M
MTDR icon
61
Matador Resources
MTDR
$6.83B
$19.8M 0.58%
312,700
+58,800
+23% +$2.95M
VIAV icon
62
Viavi Solutions
VIAV
$10.4B
$19.7M 0.58%
593,200
+85,100
+17% +$2.25M
CHYM
63
Chime Financial
CHYM
$8.31B
$19.4M 0.57%
+1,035,530
New +$23.5M
PEGA icon
64
Pegasystems
PEGA
$4.34B
$19.4M 0.57%
455,290
+30,450
+7% +$1.41M
CPRX
65
DELISTED
Catalyst Pharmaceutical
CPRX
$19.3M 0.57%
780,570
+193,600
+33% +$4.61M
QTWO icon
66
Q2 Holdings
QTWO
$3.31B
$18.7M 0.55%
394,629
+57,769
+17% +$3.26M
POWL icon
67
Powell Industries
POWL
$8.77B
$18.5M 0.55%
102,471
-43,629
-30% -$7.13M
IRTC icon
68
iRhythm Holdings
IRTC
$3.49B
$18.4M 0.54%
156,004
+36,304
+30% +$5.24M
BOX icon
69
Box
BOX
$3.94B
$18.2M 0.54%
771,520
+119,200
+18% +$3M
AGX icon
70
Argan
AGX
$8.56B
$18.1M 0.54%
33,322
+351
+1% +$143K
HNGE
71
Hinge Health
HNGE
$6.12B
$18M 0.53%
+465,766
New +$19.4M
NYT icon
72
New York Times
NYT
$11.8B
$17.7M 0.52%
211,650
-91,050
-30% -$6.89M
AEO icon
73
American Eagle Outfitters
AEO
$2.99B
$17.4M 0.52%
1,044,900
+230,400
+28% +$5.17M
ALHC icon
74
Alignment Healthcare
ALHC
$4.29B
$17M 0.5%
966,600
+219,100
+29% +$4.4M
ANIP icon
75
ANI Pharmaceuticals
ANIP
$1.76B
$17M 0.5%
221,386
+32,556
+17% +$2.54M
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.