Shannon River Fund Management LLC 13F holdings, Q4 2025
Holdings as of December 31, 2025 · filings on SEC EDGAR · latest filing →
Shannon River Fund Management LLC disclosed 26 US equity positions worth $637.5m in its Q4 2025 13F filing. The largest position was TSEM at 11.1% of the reported book, followed by PEGA and U. Against the Q3 2025 filing, it opened 12 new positions, added to 3 and reduced 9 among the top 26 holdings.
What did Shannon River Fund Management LLC own in Q4 2025? Top 26 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q3 2025 |
|---|---|---|---|---|---|---|---|
| 1 | TSEM TOWER SEMICONDUCTOR LTD | Technology | 11.1% | $70.8m | 602,804 | -37% | reduced |
| 2 | PEGA PEGASYSTEMS INC | Technology | 9.7% | $62.0m | 1,038,832 | -25% | reduced |
| 3 | U UNITY SOFTWARE INC | Technology | 7.4% | $47.1m | 1,065,452 | – | new |
| 4 | LYV LIVE NATION ENTERTAINMENT IN | Communication Services | 5.7% | $36.4m | 255,433 | – | new |
| 5 | MRVL MARVELL TECHNOLOGY INC | Technology | 5.0% | $32.1m | 377,684 | -11% | reduced |
| 6 | EXTR EXTREME NETWORKS | Technology | 5.0% | $31.7m | 1,904,528 | – | new |
| 7 | CLS CELESTICA INC | Technology | 5.0% | $31.7m | 107,130 | – | new |
| 8 | COHR COHERENT CORP | Technology | 4.9% | $31.0m | 167,918 | 88% | added |
| 9 | CWAN CLEARWATER ANALYTICS HLDGS I | Technology | 4.7% | $29.8m | 1,236,412 | 82% | added |
| 10 | NCNO NCINO INC | Technology | 4.6% | $29.1m | 1,135,922 | -28% | reduced |
| 11 | ALAB ASTERA LABS INC | Technology | 4.4% | $27.9m | 167,641 | – | new |
| 12 | GWRE GUIDEWIRE SOFTWARE INC | Technology | 4.0% | $25.3m | 126,057 | 0% | held |
| 13 | KVYO KLAVIYO INC | Technology | 3.7% | $23.7m | 729,703 | – | new |
| 14 | CRDO CREDO TECHNOLOGY GROUP HOLDI | Technology | 3.4% | $21.6m | 149,966 | 73% | added |
| 15 | AMBA AMBARELLA INC | Technology | 3.3% | $21.3m | 301,093 | – | new |
| 16 | FLEX FLEX LTD | Technology | 3.0% | $18.9m | 313,273 | -63% | reduced |
| 17 | IDCC INTERDIGITAL INC | Technology | 2.7% | $17.0m | 53,490 | -70% | reduced |
| 18 | LGN LEGENCE CORP | Industrials | 2.3% | $14.4m | 334,863 | – | new |
| 19 | AXON AXON ENTERPRISE INC | Industrials | 1.8% | $11.8m | 20,716 | – | new |
| 20 | HNGE HINGE HEALTH INC | Healthcare | 1.7% | $10.8m | 233,354 | – | new |
| 21 | DOCU DOCUSIGN INC | Technology | 1.7% | $10.7m | 156,813 | -45% | reduced |
| 22 | CCC CCC INTELLIGENT SOLUTIONS HL | Technology | 1.3% | $8.6m | 1,075,546 | 0% | held |
| 23 | QCOM QUALCOMM INC | Technology | 1.2% | $7.9m | 46,212 | – | new |
| 24 | MU MICRON TECHNOLOGY INC | Technology | 0.9% | $5.8m | 20,400 | – | new |
| 25 | PLTR PALANTIR TECHNOLOGIES INC | Technology | 0.8% | $5.1m | 28,965 | -49% | reduced |
| 26 | WIX WIX COM LTD | Technology | 0.8% | $4.9m | 46,731 | -86% | reduced |
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.