We are live on ! Find out more
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
ACMR icon
151
ACM Research
ACMR
$5.18B
$1.65M 0.03%
13,000
– –
JPM icon
152
JPMorgan Chase
JPM
$953B
$1.05M 0.02%
3,206
+22
+0.7% +$6.83K
AAPL icon
153
Apple
AAPL
$4.67T
$1.02M 0.02%
3,532
+1
+0% +$286
MSFT icon
154
Microsoft
MSFT
$3.71T
$994K 0.02%
2,665
– –
MU icon
155
Micron Technology
MU
$1.15T
$808K 0.02%
700
– –
GOOGL icon
156
Alphabet (Google) Class A
GOOGL
$4.14T
$679K 0.01%
1,900
– –
FRSH icon
157
Freshworks
FRSH
$3.32B
$584K 0.01%
57,750
– –
JNJ icon
158
Johnson & Johnson
JNJ
$663B
$584K 0.01%
2,298
+4
+0.2% +$932
GOOG icon
159
Alphabet (Google) Class C
GOOG
$4.1T
$572K 0.01%
1,620
– –
TRV icon
160
Travelers Companies
TRV
$77B
$523K 0.01%
1,583
+1
+0.1% +$303
AMGN icon
161
Amgen
AMGN
$236B
$375K 0.01%
1,036
– –
BNY
162
Bank of New York Mellon
BNY
$112B
$363K 0.01%
2,511
+1
+0% +$137
CAT icon
163
Caterpillar
CAT
$374B
$350K 0.01%
328
-80
-20% -$70.3K
MA icon
164
Mastercard
MA
$507B
$340K 0.01%
662
– –
HTHT icon
165
Huazhu Hotels Group
HTHT
$14.1B
$334K 0.01%
8,000
-16,000
-67% -$763K
INTC icon
166
Intel
INTC
$506B
$323K 0.01%
+2,314
New +$234K
RMD icon
167
ResMed
RMD
$32.9B
$283K 0.01%
1,450
– –
NEM icon
168
Newmont
NEM
$135B
$269K 0.01%
2,876
+1
+0% +$109
WFC.PRL icon
169
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.52B
$260K 0.01%
225
– –
WMT icon
170
Walmart Inc
WMT
$850B
$242K 0.01%
2,139
+2
+0.1% +$248
AFL icon
171
Aflac
AFL
$58.8B
$235K ﹤0.01%
2,000
– –
MCD icon
172
McDonald's
MCD
$181B
$231K ﹤0.01%
856
+1
+0.1% +$287
FCX icon
173
Freeport-McMoran
FCX
$104B
$226K ﹤0.01%
3,593
+3
+0.1% +$193
MRK icon
174
Merck
MRK
$371B
$222K ﹤0.01%
1,730
– –
LLY icon
175
Eli Lilly
LLY
$1.02T
$219K ﹤0.01%
+183
New +$187K
5 6
7
8 9

Similar funds

AG
AlTi Global New York $4.84B AUM 25.68% 1-Year Est. Return
MP
MFN Partners Boston, Massachusetts $4.83B AUM 65.74% 1-Year Est. Return
FAM
Fenimore Asset Management Cobleskill, New York $4.83B AUM 9.09% 1-Year Est. Return
SHCM
Sachem Head Capital Management New York $4.82B AUM 73.38% 1-Year Est. Return
BCI
Bain Capital Investors Boston, Massachusetts $4.82B AUM 35.43% 1-Year Est. Return
G
Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return
CCM
Copeland Capital Management Conshohocken, Pennsylvania $4.87B AUM 31.21% 1-Year Est. Return
ANTB
AMG National Trust Bank Greenwood Village, Colorado $4.88B AUM 24.08% 1-Year Est. Return

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.