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
$6.53B
$15.7 Million 0.74% of portfolio
73,496
Q2 2025 New
$5.66B
$15.4 Million 0.72% of portfolio
212,100
Q2 2025 New
$3.75B
$15.3 Million 0.72% of portfolio
264,200
Q2 2025 Reduced 3.33%
$5.47B
$15.2 Million 0.72% of portfolio
331,602
Q2 2025 Reduced 14.14%
$8.07B
$15.2 Million 0.71% of portfolio
114,700
Q2 2025 New
$6.67B
$15 Million 0.7% of portfolio
192,400
Q2 2025 Reduced 20.79%
$1.43B
$14.7 Million 0.69% of portfolio
555,900
Q2 2025 Added 51.64%
$5.43B
$14.7 Million 0.69% of portfolio
59,910
Q2 2025 New
$4.83B
$14.5 Million 0.68% of portfolio
65,791
Q2 2025 Added 0.0%
$1.17B
$13.8 Million 0.65% of portfolio
613,300
Q4 2024 Added 39.35%
$1.9B
$13.7 Million 0.64% of portfolio
594,900
Q2 2025 New
$8.24B
$13.5 Million 0.63% of portfolio
306,100
Q2 2025 Reduced 41.54%
$7.61B
$13.2 Million 0.62% of portfolio
97,800
Q2 2025 Added 39.51%
$10B
$12.9 Million 0.61% of portfolio
76,900
Q2 2025 Added 1.99%
$5.29B
$12.5 Million 0.59% of portfolio
81,200
Q2 2025 New
$2.63B
$12.4 Million 0.58% of portfolio
578,430
Q2 2025 Added 1.78%
$4.79B
$12.1 Million 0.57% of portfolio
253,900
Q2 2025 Added 44.84%
$8.44B
$11.9 Million 0.56% of portfolio
113,820
Q2 2025 Added 7.48%
$5.9B
$12 Million 0.56% of portfolio
84,000
Q2 2025 Added 16.5%
$805M
$11.7 Million 0.55% of portfolio
83,700
Q2 2025 Reduced 24.46%
$2.13B
$11.6 Million 0.54% of portfolio
218,700
Q2 2025 New
$831M
$11.3 Million 0.53% of portfolio
232,700
Q2 2025 Added 37.94%
$2.1B
$11.2 Million 0.52% of portfolio
594,500
Q2 2025 New
$6.48B
$11 Million 0.52% of portfolio
176,890
Q2 2025 Added 5.42%
$2.13B
$10.6 Million 0.5% of portfolio
325,000
Q2 2025 Added 18.57%
$567M
$10.6 Million 0.5% of portfolio
635,150
Q2 2025 Added 16.25%
$2.38B
$10.2 Million 0.48% of portfolio
468,200
Q2 2025 Added 0.13%
$5.2B
$10.1 Million 0.48% of portfolio
156,400
Q2 2025 Added 8.54%
$5.83B
$9.84 Million 0.46% of portfolio
79,604
Q2 2025 Reduced 38.72%
$1.71B
$9.49 Million 0.45% of portfolio
465,400
Q4 2024 Added 10.08%
$1.98B
$9.52 Million 0.45% of portfolio
114,666
Q2 2025 Added 12.35%
$950M
$9.51 Million 0.45% of portfolio
685,500
Q1 2024 Added 4.58%
$9.77B
$9.48 Million 0.45% of portfolio
182,200
Q2 2025 New
$7.73B
$9.29 Million 0.44% of portfolio
72,500
Q2 2025 Reduced 3.33%
$6.16B
$9.08 Million 0.43% of portfolio
730,200
Q2 2025 Added 1.93%
$1.54B
$9.06 Million 0.43% of portfolio
138,900
Q2 2025 Added 111.74%
$3.93B
$8.96 Million 0.42% of portfolio
176,600
Q2 2025 Added 1.9%
$1.55B
$8.9 Million 0.42% of portfolio
425,300
Q1 2025 Reduced 11.41%
$1.84B
$9.01 Million 0.42% of portfolio
78,200
Q2 2025 Added 30.55%
$4.32B
$8.46 Million 0.4% of portfolio
376,300
Q2 2025 Added 1.92%
$1.31B
$8.51 Million 0.4% of portfolio
194,400
Q2 2025 Added 1.89%
$826M
$8.22 Million 0.39% of portfolio
187,200
Q2 2025 Added 14.85%
$2.33B
$8.3 Million 0.39% of portfolio
230,000
Q1 2025 Reduced 0.65%
$3.05B
$8.21 Million 0.39% of portfolio
172,600
Q1 2025 Added 23.64%
$417M
$8.12 Million 0.38% of portfolio
975,400
Q2 2025 Added 25.18%
$1.04B
$8.09 Million 0.38% of portfolio
274,700
Q4 2024 Added 3.78%
$1.91B
$7.83 Million 0.37% of portfolio
545,600
Q1 2025 Added 16.93%
$1.18B
$7.91 Million 0.37% of portfolio
95,700
Q4 2024 New
$4.22B
$7.83 Million 0.37% of portfolio
37,200
Q2 2025 Added 121.43%

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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