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Shannon River Fund Management LLC
hedge fundUpdated 28 days agoManaged by Shannon River Fund Management Llc • Latest filing Q2 2026
Portfolio value
$1.1B
Q2 2026
Filings
14
Quarterly 13F history
Top-10 concentration
49.6%
Weight of largest holdings
Annualized return
33.0%
Implied from 13F holdings
Portfolio value history
13F-disclosed portfolio value over 14 quarters
Show data table
| Period | Portfolio value |
|---|---|
| Q1 2023 | $443.4M |
| Q2 2023 | $400.9M |
| Q3 2023 | $503.1M |
| Q4 2023 | $547.3M |
| Q1 2024 | $449.1M |
| Q2 2024 | $620.5M |
| Q3 2024 | $714.7M |
| Q4 2024 | $677.6M |
| Q1 2025 | $383.2M |
| Q2 2025 | $752M |
| Q3 2025 | $621.2M |
| Q4 2025 | $637.5M |
| Q1 2026 | $524.1M |
| Q2 2026 | $1.1B |
Top holdings
37 positions as of Q2 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | T TSEM TOWER SEMICONDUCTOR LTD | $99.8M | 382.9K | 8.91% | Trimmed(-24.1%) |
| 2 | L LPG FLEX LTD | $61.6M | 379.8K | 5.49% | Added(+22.1%) |
| 3 | A AMD ADVANCED MICRO DEVICES INC | $61.4M | 105.8K | 5.48% | — |
| 4 | I IDCC INTERDIGITAL INC | $52.2M | 184.4K | 4.66% | Added(+240.8%) |
| 5 | C CLS CELESTICA INC | $51.1M | 140.0K | 4.56% | Added(+161.6%) |
| 6 | C COHR COHERENT CORP | $51M | 129.3K | 4.55% | Added(+47.1%) |
| 7 | H HNGE HINGE HEALTH INC | $46.6M | 561.2K | 4.16% | Added(+34.5%) |
| 8 | E EXTR EXTREME NETWORKS INC | $46.1M | 1.42M | 4.11% | Added(+8.5%) |
| 9 | K KLIC KULICKE & SOFFA INDS INC | $44.8M | 334.8K | 4.00% | — |
| 10 | T TWLO TWILIO INC | $41.5M | 201.4K | 3.71% | — |
| 11 | C CIEN CIENA CORP | $39.9M | 81.3K | 3.56% | — |
| 12 | L LYV LIVE NATION ENTERTAINMENT IN | $39.6M | 216.0K | 3.53% | Trimmed(-26.6%) |
| 13 | R RMBS RAMBUS INC DEL | $38.7M | 291.7K | 3.46% | Trimmed(-12.6%) |
| 14 | Q QNT QUANTINUUM INC | $38.4M | 469.4K | 3.42% | — |
| 15 | U UTI UNIVERSAL TECHNICAL INST INC | $38.1M | 890.1K | 3.40% | — |
| 16 | A ABNB AIRBNB INC | $35.5M | 247.8K | 3.17% | Added(+0.3%) |
| 17 | T TTWO TAKE-TWO INTERACTIVE SOFTWAR | $34.5M | 138.0K | 3.08% | — |
| 18 | O OUST OUSTER INC | $28.1M | 449.3K | 2.51% | — |
| 19 | P PDFS PDF SOLUTIONS INC | $26.2M | 369.8K | 2.34% | — |
| 20 | N NOKBF NOKIA CORP | $25.3M | 1.91M | 2.26% | — |