Shannon River Fund Management LLC 13F holdings, Q3 2025
Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →
Shannon River Fund Management LLC disclosed 20 US equity positions worth $621.2m in its Q3 2025 13F filing. The largest position was PEGA at 12.8% of the reported book, followed by TSEM and IDCC. Against the Q2 2025 filing, it opened 5 new positions, added to 5 and reduced 9 among the top 20 holdings.
What did Shannon River Fund Management LLC own in Q3 2025? Top 20 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q2 2025 |
|---|---|---|---|---|---|---|---|
| 1 | PEGA PEGASYSTEMS INC | Technology | 12.8% | $79.6m | 1,384,219 | 1% | added |
| 2 | TSEM TOWER SEMICONDUCTOR LTD | Technology | 11.2% | $69.6m | 962,063 | -34% | reduced |
| 3 | IDCC INTERDIGITAL INC | Technology | 9.9% | $61.7m | 178,720 | -24% | reduced |
| 4 | WIX WIX.COM LTD | Technology | 9.4% | $58.6m | 330,083 | 42% | added |
| 5 | FLEX FLEX LTD | Technology | 7.9% | $49.2m | 849,416 | -35% | reduced |
| 6 | NCNO NCINO INC | Technology | 6.9% | $42.8m | 1,578,896 | 27% | added |
| 7 | FROG JFROG LTD | Technology | 6.6% | $40.9m | 863,924 | 299% | added |
| 8 | MRVL MARVELL TECHNOLOGY INC | Technology | 5.7% | $35.6m | 423,644 | -40% | reduced |
| 9 | FORM FORMFACTOR INC | Technology | 5.7% | $35.3m | 968,161 | – | new |
| 10 | GWRE GUIDEWIRE SOFTWARE INC | Technology | 4.7% | $29.0m | 126,057 | -16% | reduced |
| 11 | CLH CLEAN HARBORS INC | Industrials | 4.3% | $26.9m | 115,870 | – | new |
| 12 | DOCU DOCUSIGN INC | Technology | 3.3% | $20.4m | 283,515 | -13% | reduced |
| 13 | CRDO CREDO TECHNOLOGY GROUP HOLDI | Technology | 2.0% | $12.6m | 86,567 | -55% | reduced |
| 14 | LRN STRIDE INC | Consumer Defensive | 2.0% | $12.4m | 82,928 | – | new |
| 15 | CWAN CLEARWATER ANALYTICS HLDGS I | Technology | 2.0% | $12.2m | 677,693 | 2% | added |
| 16 | PLTR PALANTIR TECHNOLOGIES INC | Technology | 1.7% | $10.4m | 57,110 | -59% | reduced |
| 17 | CCC CCC INTELLIGENT SOLUTIONS HL | Technology | 1.6% | $9.8m | 1,075,546 | -0% | held |
| 18 | COHR COHERENT CORP | Technology | 1.5% | $9.6m | 89,256 | -80% | reduced |
| 19 | TSM TAIWAN SEMICONDUCTOR MFG LTD | Technology | 0.4% | $2.4m | 8,701 | – | new |
| 20 | BLZE BACKBLAZE INC | Technology | 0.3% | $2.1m | 229,384 | – | new |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.