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Oberweis Asset Management Portfolio holdings
AUM
$4.84B
Turnover
23.76%
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
+17,234.32%
AUM
$4.84B
AUM Growth
+$1.45B
(+43%)
Cap. Flow
+$109M
Cap. Flow % of AUM
Cap. Flow %
2.26%
Top 10 Holdings %
Top 10 Hldgs %
26.61%
Holding
202
New
22
Increased
113
Reduced
28
Closed
26
Avg Time Held
2.1
years
Top 10 Avg Time Held
0.7
years
Top 20 Avg Time Held
0.7
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Novanta
NOVT
|
+$35.3M |
| 2 |
Element Solutions
ESI
|
+$30.7M |
| 3 |
BillionToOne Inc
BLLN
|
+$27.3M |
| 4 |
Granite Construction
GVA
|
+$26.2M |
| 5 |
Cognex
CGNX
|
+$26M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Lumentum
LITE
|
+$173M |
| 2 |
Applied Optoelectronics
AAOI
|
+$90.8M |
| 3 |
Flowserve
FLS
|
+$32M |
| 4 |
Primoris Services
PRIM
|
+$23.8M |
| 5 |
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 | Held Since | |
|---|---|---|---|---|---|---|---|
1
Credo Technology Group
CRDO
$34.8B
| $276M | 5.69% |
1,013,428
-8,540
| -0.8% | -$1.69M |
2024 Q1
9 quarters
|
|
|
2
Applied Optoelectronics
AAOI
$6.64B
| $265M | 5.48% |
1,791,127
-558,842
| -24% | -$90.8M |
2023 Q3
11 quarters
|
|
3
DigitalOcean
DOCN
$12.2B
| $146M | 3.02% |
930,005
+2,500
| +0.3% | +$338K |
2024 Q3
7 quarters
|
|
4
Silicon Motion
SIMO
$7.56B
| $105M | 2.18% |
316,350
+33,800
| +12% | +$7.83M |
2023 Q4
10 quarters
|
|
5
Ultra Clean Holdings
UCTT
$2.4B
| $92.3M | 1.91% |
647,276
+6,800
| +1% | +$598K |
2019 Q4
26 quarters
|
|
6
SharkNinja
SN
$28.2B
| $90.4M | 1.87% |
593,500
-6,470
| -1% | -$775K |
2024 Q1
9 quarters
|
|
7
SiTime
SITM
$15.3B
| $89.1M | 1.84% |
119,501
+220
| +0.2% | +$139K |
2025 Q2
4 quarters
|
|
8
BrightSpring Health Services
BTSG
$12.5B
| $82.7M | 1.71% |
1,185,280
+26,310
| +2% | +$1.46M |
2025 Q2
4 quarters
|
|
9
Hinge Health
HNGE
$8.86B
| $71M | 1.47% |
855,476
+389,710
| +84% | +$21.2M |
2026 Q1
1 quarter
|
|
10
Rambus
RMBS
$10.1B
| $70M | 1.45% |
527,016
+700
| +0.1% | +$91K |
2024 Q4
6 quarters
|
|
11
MACOM Technology Solutions
MTSI
$20.8B
| $68.2M | 1.41% |
179,356
-36,530
| -17% | -$12.1M |
2024 Q3
7 quarters
|
|
|
12
Lumentum
LITE
$77.6B
| $61.9M | 1.28% |
72,185
-194,037
| -73% | -$173M |
2025 Q2
4 quarters
|
|
13
Lattice Semiconductor
LSCC
$15.4B
| $59.9M | 1.24% |
391,816
+17,380
| +5% | +$2.24M |
2025 Q3
3 quarters
|
|
14
Nova
NVMI
$10.5B
| $59M | 1.22% |
108,675
-29,280
| -21% | -$15M |
2024 Q3
7 quarters
|
|
15
Carpenter Technology
CRS
$18.2B
| $57.5M | 1.19% |
93,273
-1,160
| -1% | -$546K |
2023 Q4
10 quarters
|
|
16
Frontdoor
FTDR
$5.6B
| $55.8M | 1.15% |
719,060
+1,100
| +0.2% | +$70.4K |
2023 Q2
12 quarters
|
|
17
Everus Construction Group
ECG
$5.4B
| $54.5M | 1.13% |
328,183
+1,650
| +0.5% | +$242K |
2025 Q2
4 quarters
|
|
18
Veracyte
VCYT
$3.67B
| $51.5M | 1.07% |
877,734
+37,900
| +5% | +$1.59M |
2022 Q4
14 quarters
|
|
19
Powell Industries
POWL
$6.18B
| $51.4M | 1.06% |
179,521
+77,050
| +75% | +$20.9M |
2023 Q3
11 quarters
|
|
20
Life Time Group Holdings
LTH
$9.15B
| $48.6M | 1% |
1,189,620
+29,120
| +3% | +$924K |
2025 Q1
5 quarters
|
|
21
Rush Street Interactive
RSI
$1.98B
| $48.4M | 1% |
1,627,930
+193,370
| +13% | +$5.1M |
2024 Q1
9 quarters
|
|
22
Mercury Systems
MRCY
$4.65B
| $48M | 0.99% |
392,723
+1,700
| +0.4% | +$162K |
2025 Q1
5 quarters
|
|
23
Dutch Bros
BROS
$5.85B
| $47.1M | 0.97% |
656,093
+57,600
| +10% | +$3.3M |
2024 Q2
8 quarters
|
|
24
Clean Harbors
CLH
$16.9B
| $45.9M | 0.95% |
153,475
+9,120
| +6% | +$2.69M |
2020 Q4
22 quarters
|
|
25
Solaris Energy Infrastructure
SEI
$4.61B
| $45.4M | 0.94% |
564,581
+32,692
| +6% | +$2.34M |
2025 Q1
5 quarters
|
|
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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.