Shannon River Fund Management LLC Portfolio Holdings

Shannon River Fund Management LLC

  • $612 Million
  • Q3 2025

Shannon River Fund Management LLC has filed its 13F form on November 13, 2025 for Q3 2025 where it was disclosed a total value porftolio of $612 Million distributed in 20 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Pegasystems Inc with a value of $79.6M, Tower Semiconductor LTD with a value of $69.6M, Inter Digital, Inc. with a value of $61.7M, Wix.Com Ltd. with a value of $58.6M, and Flex Ltd. with a value of $49.2M.

Examining the 13F form we can see an decrease of $67M in the current position value, from $679M to 612M.

Below you can find more details about Shannon River Fund Management LLC portfolio as well as his latest detailed transactions.

Portfolio value $612 Million
Technology: $511 Million
Communication Services: $61.7 Million
Industrials: $26.9 Million
Consumer Defensive: $12.4 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$4.67B
$79.6 Million 13.01% of portfolio
1,384,219
Q3 2025 Added 0.85%
$10.9B
$69.6 Million 11.37% of portfolio
962,063
Q3 2025 Reduced 34.44%
$10.1B
$61.7 Million 10.09% of portfolio
178,720
Q3 2025 Reduced 24.45%
$7.2B
$58.6 Million 9.59% of portfolio
330,083
Q3 2025 Added 42.13%
$27.2B
$49.2 Million 8.05% of portfolio
849,416
Q3 2025 Reduced 34.76%
$2.83B
$42.8 Million 7.0% of portfolio
1,578,896
Q3 2025 Added 27.43%
$5.87B
$40.9 Million 6.69% of portfolio
863,924
Q3 2025 Added 298.52%
$73.7B
$35.6 Million 5.82% of portfolio
423,644
Q3 2025 Reduced 40.35%
$3.87B
$35.3 Million 5.77% of portfolio
968,161
Q3 2025 New
$18.7B
$29 Million 4.74% of portfolio
126,057
Q3 2025 Reduced 16.36%
$11.1B
$26.9 Million 4.4% of portfolio
115,870
Q3 2025 New
$13.6B
$20.4 Million 3.34% of portfolio
283,515
Q3 2025 Reduced 13.01%
$21.2B
$12.6 Million 2.06% of portfolio
86,567
Q3 2025 Reduced 54.52%
$2.76B
$12.4 Million 2.02% of portfolio
82,928
Q3 2025 New
$1.11B
$12.2 Million 2.0% of portfolio
677,693
Q3 2025 Added 1.56%
$342B
$10.4 Million 1.7% of portfolio
57,110
Q3 2025 Reduced 58.62%
$1.46T
$2.43 Million 0.4% of portfolio
8,701
Q3 2025 New
$65.5M
$2.13 Million 0.35% of portfolio
229,384
Q3 2025 New
Coherent Corp
-
$0 0.0% of portfolio
-
Q3 2025 Reduced 79.96%

Summary

  • Portfolio
  • No. of Stocks 20
  • Current Value $612 Million
  • Prior Value $679 Million
  • Filing
  • Period Q3 2025
  • Filing Date November 13, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 5 stocks
  • Additional Purchases 5 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 10 stocks
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