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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
XOM icon
176
ExxonMobil
XOM
$640B
$221K 0.01%
+1,303
New +$190K
AFL icon
177
Aflac
AFL
$62.9B
$219K 0.01%
2,000
– –
FCX icon
178
Freeport-McMoran
FCX
$93.4B
$211K 0.01%
+3,590
New +$217K
MRK icon
179
Merck
MRK
$315B
$208K 0.01%
+1,730
New +$200K
ACIW icon
180
ACI Worldwide
ACIW
$5.56B
– –
-330,702
Closed -$15.8M
ATRC icon
181
AtriCure
ATRC
$1.7B
– –
-217,992
Closed -$8.62M
BBW icon
182
Build-A-Bear
BBW
$425M
– –
-134,100
Closed -$8.22M
BLZE icon
183
Backblaze
BLZE
$805M
– –
-552,023
Closed -$2.57M
CARG icon
184
CarGurus
CARG
$3.04B
– –
-518,400
Closed -$19.9M
CVLT icon
185
Commault Systems
CVLT
$5.81B
– –
-110,900
Closed -$13.9M
FRME icon
186
First Merchants
FRME
$2.76B
– –
-196,000
Closed -$7.35M
GDOT icon
187
Green Dot
GDOT
$753M
– –
-765,000
Closed -$9.8M
GENI icon
188
Genius Sports
GENI
$1.7B
– –
-1,585,900
Closed -$17.5M
HWKN icon
189
Hawkins
HWKN
$2.99B
– –
-46,800
Closed -$6.65M
LYTS icon
190
LSI Industries
LYTS
$874M
– –
-173,400
Closed -$3.18M
MBUU icon
191
Malibu Boats
MBUU
$558M
– –
-244,100
Closed -$6.89M
MTRX icon
192
Matrix Service
MTRX
$353M
– –
-226,575
Closed -$2.65M
PGY icon
193
Pagaya Technologies
PGY
$1.4B
– –
-305,600
Closed -$6.39M
REVG
194
DELISTED
REV Group
REVG
– –
-137,800
Closed -$8.38M
SHOP icon
195
Shopify
SHOP
$154B
– –
-13,100
Closed -$2.11M
SXT icon
196
Sensient Technologies
SXT
$4.79B
– –
-188,000
Closed -$17.7M
TPB icon
197
Turning Point Brands
TPB
$1.52B
– –
-103,500
Closed -$11.2M
WK icon
198
Workiva
WK
$2.92B
– –
-127,500
Closed -$11M
AIOT
199
PowerFleet Inc
AIOT
$547M
– –
-1,095,252
Closed -$5.83M
4 5 6 7
8

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DFO
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VFCM
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BCM
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MCM
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EFM
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DIA
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5NCM
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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.