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
AEO icon
176
American Eagle Outfitters
AEO
$2.91B
– –
-1,044,900
Closed -$17.4M
AORT icon
177
Artivion
AORT
$1.25B
– –
-221,122
Closed -$8.1M
ATEC icon
178
Alphatec Holdings
ATEC
$1.46B
– –
-1,908,293
Closed -$20.8M
CLMB icon
179
Climb Global Solutions
CLMB
$544M
– –
-211,840
Closed -$4.2M
COUR icon
180
Coursera
COUR
$1.53B
– –
-821,800
Closed -$4.78M
CRAI icon
181
CRA International
CRAI
$1.07B
– –
-36,470
Closed -$5.9M
EYE icon
182
National Vision
EYE
$1.32B
– –
-797,780
Closed -$20.7M
FLS icon
183
Flowserve
FLS
$9.74B
– –
-434,681
Closed -$32M
FUTU icon
184
Futu Holdings
FUTU
$17.1B
– –
-4,500
Closed -$615K
G icon
185
Genpact
G
$6.27B
– –
-606,832
Closed -$22.6M
GLD icon
186
SPDR Gold Trust
GLD
$149B
– –
-675
Closed -$290K
HURN icon
187
Huron Consulting
HURN
$2.47B
– –
-42,300
Closed -$5.39M
IBEX icon
188
IBEX
IBEX
$524M
– –
-10,200
Closed -$274K
LINC icon
189
Lincoln Educational Services
LINC
$813M
– –
-188,447
Closed -$7.67M
MIR icon
190
Mirion Technologies
MIR
$4.12B
– –
-744,267
Closed -$13.8M
PEGA icon
191
Pegasystems
PEGA
$6.14B
– –
-455,290
Closed -$19.4M
PI icon
192
Impinj
PI
$5.27B
– –
-118,086
Closed -$12.1M
PRIM icon
193
Primoris Services
PRIM
$4.01B
– –
-166,100
Closed -$23.8M
QLYS icon
194
Qualys
QLYS
$5.94B
– –
-118,900
Closed -$10.4M
SHAK icon
195
Shake Shack
SHAK
$2.8B
– –
-187,570
Closed -$16.6M
TCMD icon
196
Tactile Systems Technology
TCMD
$495M
– –
-202,839
Closed -$5.3M
THR
197
DELISTED
Thermon Group Holdings
THR
– –
-154,700
Closed -$7.8M
WEAV icon
198
Weave Communications
WEAV
$586M
– –
-72,830
Closed -$336K
WGS icon
199
GeneDx Holdings
WGS
$2.56B
– –
-261,370
Closed -$16.8M
XOM icon
200
ExxonMobil
XOM
$656B
– –
-1,303
Closed -$221K
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.