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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
+11.11%
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
$2.73B
AUM Growth
+$123M
Cap. Flow
+$6.55M
Cap. Flow %
0.24%
Top 10 Hldgs %
20.79%
Holding
204
New
21
Increased
104
Reduced
20
Closed
25

Top Buys

Rank Stock Value
1
ARQT icon
Arcutis Biotherapeutics
ARQT
+$20.7M
2
GMED icon
Globus Medical
GMED
+$20.5M
3
DAN icon
Dana Inc
DAN
+$16.9M
4
SGHC icon
SGHC Ltd
SGHC
+$15.3M
5
CNR
Core Natural Resources Inc
CNR
+$15.2M

Top Sells

Rank Stock Value
1
ADMA icon
ADMA Biologics
ADMA
+$39.8M
2
SRAD icon
Sportradar
SRAD
+$37.1M
3
ITRI icon
Itron
ITRI
+$35.4M
4
LRN icon
Stride
LRN
+$27.1M
5
QRVO icon
Qorvo
QRVO
+$23.8M

Sector Composition

Rank Sector Weight
1 Technology 37.24%
2 Healthcare 19.19%
3 Industrials 17.15%
4 Consumer Discretionary 13.69%
5 Financials 4.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GRC icon
151
Gorman-Rupp
GRC
$2.23B
$4.45M 0.16%
93,200
+2,300
+3% +$107K
LIND icon
152
Lindblad Expeditions
LIND
$2.23B
$4.42M 0.16%
306,800
+7,400
+2% +$93.3K
LYTS icon
153
LSI Industries
LYTS
$913M
$3.18M 0.12%
173,400
+4,200
+2% +$85.4K
MTRX icon
154
Matrix Service
MTRX
$330M
$2.65M 0.1%
226,575
+5,500
+2% +$69.1K
BLZE icon
155
Backblaze
BLZE
$1.12B
$2.57M 0.09%
552,023
+13,323
+2% +$91.3K
SHOP icon
156
Shopify
SHOP
$190B
$2.11M 0.08%
13,100
+3,100
+31% +$498K
FUTU icon
157
Futu Holdings
FUTU
$14.7B
$1.81M 0.07%
11,000
– –
SPY icon
158
State Street SPDR S&P 500 ETF Trust
SPY
$818B
$1.4M 0.05%
2,055
-118
-5% -$79.8K
MSFT icon
159
Microsoft
MSFT
$3.71T
$1.29M 0.05%
2,665
– –
MU icon
160
Micron Technology
MU
$996B
$1.28M 0.05%
+4,500
New +$1.03M
HTHT icon
161
Huazhu Hotels Group
HTHT
$13B
$1.13M 0.04%
+24,000
New +$1.04M
JPM icon
162
JPMorgan Chase
JPM
$947B
$983K 0.04%
3,052
-69
-2% -$21.4K
AAPL icon
163
Apple
AAPL
$4.56T
$945K 0.03%
3,476
+88
+3% +$23.6K
GOOGL icon
164
Alphabet (Google) Class A
GOOGL
$4.38T
$595K 0.02%
1,900
– –
GOOG icon
165
Alphabet (Google) Class C
GOOG
$4.36T
$508K 0.02%
1,620
– –
TRV icon
166
Travelers Companies
TRV
$80.5B
$459K 0.02%
1,581
-89
-5% -$25K
JNJ icon
167
Johnson & Johnson
JNJ
$619B
$424K 0.02%
2,050
+3
+0.1% +$593
MA icon
168
Mastercard
MA
$505B
$378K 0.01%
662
-9
-1% -$5.03K
RMD icon
169
ResMed
RMD
$32.4B
$349K 0.01%
1,450
– –
AMGN icon
170
Amgen
AMGN
$219B
$339K 0.01%
1,035
+1
+0.1% +$317
BNY
171
Bank of New York Mellon
BNY
$108B
$296K 0.01%
2,553
-55
-2% -$6.09K
NEM icon
172
Newmont
NEM
$111B
$287K 0.01%
2,873
-298
-9% -$26.9K
WFC.PRL icon
173
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.65B
$273K 0.01%
+225
New +$277K
GLD icon
174
SPDR Gold Trust
GLD
$138B
$268K 0.01%
+675
New +$258K
MCD icon
175
McDonald's
MCD
$196B
$261K 0.01%
853
+1
+0.1% +$306
5 6
7
8 9

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QCG
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Oberweis Asset Management's Q4 2025 Portfolio in Review

As of Q4 2025, Oberweis Asset Management held 204 positions worth $2.73B, up 4.7% from $2.61B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

Oberweis Asset Management's Q4 2025 filing shows 21 new, 104 increased, 20 reduced and 25 closed positions. Its largest new stake was Arcutis Biotherapeutics: 808,400 shares worth $23.5M. The largest sale was ADMA Biologics, an estimated $39.8M.

By sector, the portfolio is most concentrated in Technology at 37% of assets, down from 41% a quarter earlier, followed by Healthcare and Industrials.

  • Oberweis Asset Management's largest Q4 2025 buy was Arcutis Biotherapeutics: 808,400 shares worth $23.5M.
  • Oberweis Asset Management added most to Alphatec Holdings in Q4 2025, an estimated $9.98M increase.
  • Oberweis Asset Management's biggest Q4 2025 reduction was Lumentum, cutting an estimated $12.3M.
  • Oberweis Asset Management fully exited ADMA Biologics in Q4 2025, selling an estimated $39.8M.
  • Oberweis Asset Management's ten largest holdings make up 21% of its $2.73B portfolio in Q4 2025.
  • Oberweis Asset Management opened 21 new positions and closed 25 in Q4 2025.
  • Oberweis Asset Management's portfolio value rose 4.7% quarter-over-quarter to $2.73B.

Based on Oberweis Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.