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OAM

Oberweis Asset Management Portfolio holdings

AUM $4.84B
1-Year Est. Return 160.95%
This Fund
S&P 500
This Quarter Est. Return
+60.36%
1 Year Est. Return
+160.95%
3 Year Est. Return
+485.02%
5 Year Est. Return
+872.24%
10 Year Est. Return
+17,234.36%
AUM
$4.84B
AUM Growth
+$1.45B
Cap. Flow
+$109M
Cap. Flow %
2.26%
Top 10 Hldgs %
26.61%
Holding
202
New
22
Increased
113
Reduced
28
Closed
26

Top Buys

Rank Stock Value
1
NOVT icon
Novanta
NOVT
+$35.3M
2
ESI icon
Element Solutions
ESI
+$30.7M
3
BLLN
BillionToOne Inc
BLLN
+$27.3M
4
GVA icon
Granite Construction
GVA
+$26.2M
5
CGNX icon
Cognex
CGNX
+$26M

Top Sells

Rank Stock Value
1
LITE icon
Lumentum
LITE
+$173M
2
AAOI icon
Applied Optoelectronics
AAOI
+$90.8M
3
FLS icon
Flowserve
FLS
+$32M
4
PRIM icon
Primoris Services
PRIM
+$23.8M
5
G icon
Genpact
G
+$22.6M

Sector Composition

Rank Sector Weight
1 Technology 42.62%
2 Industrials 18.89%
3 Healthcare 18.45%
4 Consumer Discretionary 10.61%
5 Financials 3.82%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MGY icon
126
Magnolia Oil & Gas
MGY
$6.35B
$11.7M 0.24%
456,466
+2,000
+0.4% +$57.1K
VVX icon
127
V2X
VVX
$2.33B
$11M 0.23%
+147,370
New +$11M
EVLV icon
128
Evolv Technologies
EVLV
$906M
$10.6M 0.22%
1,823,949
+152,000
+9% +$952K
CRMD icon
129
CorMedix
CRMD
$657M
$10.4M 0.21%
1,323,915
+112,800
+9% +$891K
GRC icon
130
Gorman-Rupp
GRC
$1.99B
$9.96M 0.21%
108,600
+13,600
+14% +$1.03M
FBK icon
131
FB Financial Corp
FBK
$2.85B
$9.8M 0.2%
177,100
+15,000
+9% +$806K
PAHC icon
132
Phibro Animal Health
PAHC
$1.55B
$9.77M 0.2%
311,100
+34,000
+12% +$1.43M
NPKI
133
NPK International
NPKI
$1.12B
$9.35M 0.19%
587,550
+69,400
+13% +$1.05M
APEI icon
134
American Public Education
APEI
$830M
$9.26M 0.19%
172,400
+42,000
+32% +$2.31M
CPRX
135
DELISTED
Catalyst Pharmaceutical
CPRX
$9.23M 0.19%
293,670
-486,900
-62% -$14.4M
ADUS icon
136
Addus HomeCare
ADUS
$2.22B
$9.03M 0.19%
89,916
+520
+0.6% +$49.1K
BW icon
137
Babcock & Wilcox
BW
$1.06B
$8.85M 0.18%
627,900
+127,700
+26% +$2.17M
RDWR icon
138
Radware
RDWR
$1.19B
$8.83M 0.18%
286,200
-500
-0.2% -$13.8K
AMPX icon
139
Amprius Technologies
AMPX
$1.44B
$8.82M 0.18%
636,200
+51,200
+9% +$917K
PDS
140
Precision Drilling
PDS
$1.16B
$8.49M 0.18%
110,800
-1,800
-2% -$164K
KFRC icon
141
Kforce
KFRC
$977M
$8.27M 0.17%
+176,200
New +$7.2M
SRCE icon
142
1st Source
SRCE
$2.1B
$7.65M 0.16%
93,800
+7,600
+9% +$567K
CNXN icon
143
PC Connection
CNXN
$2.13B
$7.61M 0.16%
104,300
+8,100
+8% +$540K
RDVT icon
144
Red Violet
RDVT
$1.22B
$7.58M 0.16%
119,000
+14,300
+14% +$677K
BVS icon
145
Bioventus
BVS
$961M
$6.7M 0.14%
709,714
+81,600
+13% +$779K
XPRO icon
146
Expro Ltd
XPRO
$2.02B
$6.68M 0.14%
452,000
-2,600
-0.6% -$41.8K
CHEF icon
147
Chefs' Warehouse
CHEF
$4.67B
$5.53M 0.11%
+57,544
New +$4.46M
COCO icon
148
Vita Coco
COCO
$3.19B
$5.53M 0.11%
83,608
-72,500
-46% -$4.89M
RCKY icon
149
Rocky Brands
RCKY
$331M
$4.85M 0.1%
117,700
-300
-0.3% -$11.7K
SPY icon
150
State Street SPDR S&P 500 ETF Trust
SPY
$815B
$1.78M 0.04%
2,378
+4
+0.2% +$2.9K
4 5
6
7 8

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FAM
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SHCM
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BCI
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Oberweis Asset Management's Q2 2026 Portfolio in Review

As of Q2 2026, Oberweis Asset Management held 202 positions worth $4.84B, up 43% from $3.39B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Oberweis Asset Management's Q2 2026 filing shows 22 new, 113 increased, 28 reduced and 26 closed positions. Its largest new stake was Novanta: 244,260 shares worth $39.6M. The largest sale was Lumentum, an estimated $173M.

By sector, the portfolio is most concentrated in Technology at 43% of assets, up from 40% a quarter earlier, followed by Industrials and Healthcare.

  • Oberweis Asset Management's largest Q2 2026 buy was Novanta: 244,260 shares worth $39.6M.
  • Oberweis Asset Management added most to Hinge Health in Q2 2026, an estimated $21.2M increase.
  • Oberweis Asset Management's biggest Q2 2026 reduction was Lumentum, cutting an estimated $173M.
  • Oberweis Asset Management fully exited Flowserve in Q2 2026, selling an estimated $32M.
  • Oberweis Asset Management's ten largest holdings make up 27% of its $4.84B portfolio in Q2 2026.
  • Oberweis Asset Management opened 22 new positions and closed 26 in Q2 2026.
  • Oberweis Asset Management's portfolio value rose 43% quarter-over-quarter to $4.84B.

Based on Oberweis Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.