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
$24B
$70.2 Million 3.3% of portfolio
758,568
Q2 2025 Reduced 39.79%
$3B
$57.1 Million 2.68% of portfolio
3,135,890
Q2 2025 Reduced 8.47%
$789M
$48.5 Million 2.28% of portfolio
1,888,041
Q2 2025 Added 36.34%
$12.4B
$44 Million 2.07% of portfolio
359,025
Q2 2025 Reduced 3.15%
$5.98B
$38.7 Million 1.82% of portfolio
1,377,400
Q2 2025 Added 20.33%
$3.06B
$37.9 Million 1.78% of portfolio
573,360
Q2 2025 Added 0.8%
$5.32B
$37.4 Million 1.76% of portfolio
284,500
Q2 2025 Added 4.4%
$5.42B
$36 Million 1.69% of portfolio
610,860
Q2 2025 Added 1.9%
$5.29B
$34.1 Million 1.6% of portfolio
331,000
Q2 2025 Added 3.71%
$10.8B
$32.4 Million 1.52% of portfolio
505,780
Q2 2025 Reduced 0.31%
$8.47B
$31.1 Million 1.46% of portfolio
113,100
Q2 2025 Added 1.89%
$1.85B
$30.6 Million 1.44% of portfolio
2,050,820
Q2 2025 Added 18.65%
$4.76B
$27.3 Million 1.28% of portfolio
292,010
Q2 2025 Added 20.17%
$7.35B
$27.3 Million 1.28% of portfolio
522,172
Q2 2025 Added 1.75%
$12.8B
$27.1 Million 1.27% of portfolio
117,300
Q2 2025 Added 6.33%
$5.96B
$26.4 Million 1.24% of portfolio
181,800
Q2 2025 Reduced 12.3%
$11.1B
$25.6 Million 1.2% of portfolio
269,050
Q2 2025 New
$13.1B
$25.4 Million 1.19% of portfolio
86,200
Q2 2025 Added 1.89%
$5.39B
$24.6 Million 1.16% of portfolio
812,300
Q2 2025 Added 1.92%
$1.58B
$24.5 Million 1.15% of portfolio
668,200
Q1 2025 Added 0.57%
$4B
$24.5 Million 1.15% of portfolio
109,000
Q2 2025 Added 8.57%
$15.6B
$23.2 Million 1.09% of portfolio
155,800
Q2 2025 Added 5.91%
$11.8B
$22.9 Million 1.08% of portfolio
82,911
Q2 2025 Added 1.84%
$4.66B
$22.3 Million 1.05% of portfolio
653,920
Q2 2025 Added 9.52%
$8.49B
$21.9 Million 1.03% of portfolio
125,900
Q2 2025 Added 17.66%
$4.27B
$21.5 Million 1.01% of portfolio
398,500
Q2 2025 Reduced 3.35%
$4.81B
$21.1 Million 0.99% of portfolio
389,800
Q2 2025 Added 99.49%
$8.58B
$20.4 Million 0.96% of portfolio
284,150
Q2 2025 Reduced 2.51%
$3.09B
$19.9 Million 0.94% of portfolio
150,890
Q2 2025 Reduced 3.08%
$4.71B
$19.9 Million 0.93% of portfolio
212,810
Q2 2025 Added 2.04%
$2.28B
$19.6 Million 0.92% of portfolio
726,490
Q2 2025 Reduced 5.57%
$4.53B
$19.2 Million 0.9% of portfolio
221,600
Q2 2025 Added 9.16%
$13.3B
$18.9 Million 0.89% of portfolio
114,600
Q2 2025 Added 5.62%
$3.51B
$18 Million 0.85% of portfolio
631,920
Q2 2025 Added 7.74%
$3.92B
$18.1 Million 0.85% of portfolio
213,580
Q2 2025 Added 6.8%
$3.3B
$17.7 Million 0.83% of portfolio
377,800
Q2 2025 Added 12.37%
$7.58B
$17.7 Million 0.83% of portfolio
166,500
Q2 2025 Reduced 27.56%
$3.49B
$17.6 Million 0.83% of portfolio
1,136,400
Q2 2025 Reduced 38.35%
$3.77B
$17.4 Million 0.82% of portfolio
518,400
Q2 2025 Added 3.68%
$2.92B
$17.3 Million 0.81% of portfolio
230,600
Q2 2025 Added 25.94%
$6.5B
$17.1 Million 0.8% of portfolio
90,400
Q2 2025 Added 1.92%
$9.05B
$17 Million 0.8% of portfolio
200,300
Q2 2025 New
$11.1B
$16.4 Million 0.77% of portfolio
83,000
Q2 2025 Added 2.47%
$1.84B
$16.2 Million 0.76% of portfolio
579,600
Q4 2024 Added 29.66%
$2.29B
$16.3 Million 0.76% of portfolio
238,000
Q2 2025 Added 8.68%
$1.8B
$16.1 Million 0.76% of portfolio
373,400
Q2 2025 Added 4.04%
$2.65B
$16.3 Million 0.76% of portfolio
236,500
Q2 2025 Added 7.5%
$1.35B
$15.9 Million 0.75% of portfolio
1,069,700
Q2 2025 Added 7.84%
$7.33B
$15.9 Million 0.75% of portfolio
790,300
Q2 2025 Reduced 3.34%

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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