Oberweis Asset Management Inc Portfolio Holdings

Oberweis Asset Management Inc

  • $2.13 Billion
  • Q2 2025

Oberweis Asset Management Inc has filed its 13F form on August 14, 2025 for Q2 2025 where it was disclosed a total value porftolio of $2.13 Billion distributed in 185 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Credo Technology Group Holding LTD with a value of $70.2M, Adma Biologics, Inc. with a value of $57.1M, Applied Optoelectronics, Inc. with a value of $48.5M, Encompass Health Corp with a value of $44M, and Sportradar Group Ag with a value of $38.7M.

Examining the 13F form we can see an increase of $235M in the current position value, from $1.89B to 2.13B.

Oberweis Asset Management Inc is based out at Lisle, IL

Below you can find more details about Oberweis Asset Management Inc portfolio as well as his latest detailed transactions.

Portfolio value $2.13 Billion
Technology: $854 Million
Industrials: $397 Million
Healthcare: $315 Million
Consumer Cyclical: $210 Million
Financial Services: $117 Million
Consumer Defensive: $105 Million
Communication Services: $63.2 Million
Energy: $53.6 Million
Other: $13.9 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$9.7B
$7.65 Million 0.36% of portfolio
34,100
Q2 2025 Added 3.33%
$2.12B
$7.68 Million 0.36% of portfolio
58,600
Q4 2024 Added 29.65%
$1.81B
$7.65 Million 0.36% of portfolio
101,000
Q2 2025 New
$4.95B
$7.66 Million 0.36% of portfolio
67,550
Q2 2025 Added 18.61%
$2.36B
$7.51 Million 0.35% of portfolio
196,000
Q2 2025 Added 9.87%
$1.94B
$7.43 Million 0.35% of portfolio
60,200
Q2 2025 Added 9.06%
$679M
$7.47 Million 0.35% of portfolio
238,200
Q2 2025 Added 24.78%
$558M
$7.49 Million 0.35% of portfolio
648,400
Q2 2025 Added 28.91%
$709M
$6.87 Million 0.32% of portfolio
236,000
Q2 2025 Added 58.71%
$1.31B
$6.88 Million 0.32% of portfolio
110,100
Q1 2025 Added 37.45%
$1.87B
$6.87 Million 0.32% of portfolio
589,400
Q2 2025 New
$3.66B
$6.49 Million 0.31% of portfolio
45,700
Q4 2024 Added 3.86%
$1.59B
$6.59 Million 0.31% of portfolio
211,800
Q2 2025 Added 11.24%
$4.18B
$6.53 Million 0.31% of portfolio
58,200
Q4 2024 Added 31.38%
$818M
$6.37 Million 0.3% of portfolio
162,304
Q2 2025 Added 22.31%
$1.62B
$6.4 Million 0.3% of portfolio
246,960
Q2 2025 Reduced 16.83%
$9.78B
$6.3 Million 0.3% of portfolio
27,300
Q2 2024 Reduced 71.74%
$3.31B
$6.34 Million 0.3% of portfolio
395,970
Q2 2025 Reduced 42.85%
$372M
$6.24 Million 0.29% of portfolio
677,600
Q4 2024 Added 31.6%
$805M
$6.27 Million 0.29% of portfolio
244,300
Q2 2025 Added 37.48%
$498M
$5.98 Million 0.28% of portfolio
485,000
Q1 2025 New
$1.22B
$5.92 Million 0.28% of portfolio
948,400
Q2 2025 New
$611M
$5.85 Million 0.27% of portfolio
247,495
Q2 2025 Added 12.91%
$2.92B
$5.72 Million 0.27% of portfolio
296,300
Q2 2024 Added 11.06%
$94.8M
$5.7 Million 0.27% of portfolio
419,400
Q2 2025 Added 15.79%
$749M
$5.72 Million 0.27% of portfolio
292,871
Q2 2025 Reduced 30.81%
$2.48B
$5.59 Million 0.26% of portfolio
123,500
Q4 2024 Added 4.04%
$2.94B
$5.57 Million 0.26% of portfolio
40,500
Q2 2024 Reduced 17.68%
$181M
$5.33 Million 0.25% of portfolio
1,068,800
Q1 2025 Added 97.16%
$1.56B
$5.13 Million 0.24% of portfolio
82,700
Q2 2025 Added 12.52%
$671M
$4.93 Million 0.23% of portfolio
100,300
Q2 2025 Added 17.58%
$442M
$4.93 Million 0.23% of portfolio
366,900
Q2 2025 Added 1.92%
$753M
$4.94 Million 0.23% of portfolio
132,732
Q2 2025 New
$780M
$4.59 Million 0.22% of portfolio
97,100
Q2 2025 Added 41.96%
$137B
$4.76 Million 0.22% of portfolio
6,200
Q2 2025 Added 24.0%
$1.13B
$4.53 Million 0.21% of portfolio
96,100
Q4 2024 Added 3.89%
$547M
$4.37 Million 0.21% of portfolio
189,600
Q1 2025 New
$866M
$4.23 Million 0.2% of portfolio
262,800
Q1 2025 Added 16.8%
$442M
$3.98 Million 0.19% of portfolio
601,714
Q4 2024 Added 17.77%
$1.7B
$4 Million 0.19% of portfolio
321,200
Q2 2025 Added 28.02%
$1.46B
$3.56 Million 0.17% of portfolio
19,000
Q2 2025 Reduced 36.67%
$692M
$3.56 Million 0.17% of portfolio
328,100
Q2 2025 Added 9.18%
$1.38B
$3.62 Million 0.17% of portfolio
968,400
Q4 2024 Added 21.23%
$692M
$3.49 Million 0.16% of portfolio
299,400
Q2 2025 Added 12.56%
$1.13B
$3.34 Million 0.16% of portfolio
90,900
Q1 2025 Added 8.99%
$950M
$3.13 Million 0.15% of portfolio
501,700
Q4 2024 Added 23.12%
$618M
$2.88 Million 0.14% of portfolio
169,200
Q1 2025 New
$137M
$2.96 Million 0.14% of portfolio
538,700
Q2 2024 Added 50.56%
$343M
$2.99 Million 0.14% of portfolio
221,075
Q4 2024 Added 4.74%

Summary

  • Portfolio
  • No. of Stocks 185
  • Current Value $2.13 Billion
  • Prior Value $1.89 Billion
  • Filing
  • Period Q2 2025
  • Filing Date August 14, 2025
  • Form Type 13F-HR
  • Activity in Q2 2025
  • New Purchases 20 stocks
  • Additional Purchases 89 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 32 stocks
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