Shannon River Fund Management LLC Top Holdings and 13F Report (2021) About Shannon River Fund Management LLCInvestment ActivityShannon River Fund Management LLC has $524.08 million in total holdings as of September 30, 2021.Shannon River Fund Management LLC owns shares of 28 different stocks, but just 15 companies or ETFs make up 80% of its holdings.Approximately 39.20% of the portfolio was purchased this quarter.About 65.62% of the portfolio was sold this quarter.This quarter, Shannon River Fund Management LLC has purchased 26 new stocks and bought additional shares in 7 stocks.Shannon River Fund Management LLC sold shares of 8 stocks and completely divested from 11 stocks this quarter.Largest Holdings Tower Semiconductor $88,483,860Marvell Technology $55,821,906Live Nation Entertainment $44,898,639Airbnb $31,191,918Rambus $28,718,276 Largest New Holdings this Quarter 009066101 - Airbnb $31,191,918 Holding750917106 - Rambus $28,718,276 Holding888787108 - Toast $19,406,036 Holding00486H105 - ADTRAN $15,347,298 Holding315616102 - F5 $14,523,209 Holding Largest Purchases this Quarter Airbnb 247,006 shares (about $31.19M)Rambus 333,817 shares (about $28.72M)Toast 732,027 shares (about $19.41M)Marvell Technology 185,889 shares (about $18.41M)ADTRAN 1,219,976 shares (about $15.35M) Largest Sales this Quarter Coherent 80,013 shares (about $19.06M)Tower Semiconductor 98,565 shares (about $17.30M)CELESTICA INC 53,635 shares (about $15.11M)ASTERA LABS INC 120,247 shares (about $13.18M)Ambarella 186,153 shares (about $9.58M) Sector Allocation Over TimeMap of 500 Largest Holdings ofShannon River Fund Management LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorTSEMTower Semiconductor$88,483,860$17,296,186 â–¼-16.4%504,23916.9%Computer and TechnologyMRVLMarvell Technology$55,821,906$18,412,306 â–²49.2%563,57310.7%Computer and TechnologyLYVLive Nation Entertainment$44,898,639$5,942,552 â–²15.3%294,3988.6%Consumer DiscretionaryABNBAirbnb$31,191,918$31,191,918 â–²New Holding247,0066.0%Consumer DiscretionaryRMBSRambus$28,718,276$28,718,276 â–²New Holding333,8175.5%Computer and TechnologyCOHRCoherent$20,939,850$19,059,897 â–¼-47.7%87,9054.0%Business ServicesFLEXFlex$20,372,658$134,193 â–¼-0.7%311,2233.9%Computer and TechnologyAXONAxon Enterprise$20,148,143$11,350,265 â–²129.0%47,4423.8%AerospaceEXTRExtreme Networks$19,800,960$8,919,322 â–¼-31.1%1,313,0613.8%Computer and TechnologyTOSTToast$19,406,036$19,406,036 â–²New Holding732,0273.7%Computer and TechnologyLEGENCE CORP$19,063,042$156,677 â–²0.8%337,6383.6%CL AIDCCInterDigital$16,339,408$185,428 â–²1.1%54,1043.1%Computer and TechnologyHINGE HEALTH INC$16,086,538$7,088,408 â–²78.8%417,1823.1%CL AADTNADTRAN$15,347,298$15,347,298 â–²New Holding1,219,9762.9%Business ServicesCELESTICA INC$15,068,472$15,107,907 â–¼-50.1%53,4952.9%COMFFIVF5$14,523,209$14,523,209 â–²New Holding50,1962.8%Computer and TechnologyLIONSGATE STUDIOS CORP$9,982,557$9,982,557 â–²New Holding1,040,9341.9%COMGWREGuidewire Software$9,401,790$9,451,294 â–¼-50.1%62,8631.8%Computer and TechnologyUUUUEnergy Fuels$9,262,879$9,262,879 â–²New Holding507,5551.8%Basic MaterialsSPHRSphere Entertainment$8,610,703$8,610,703 â–²New Holding73,3451.6%Consumer DiscretionaryAMBAAmbarella$5,916,536$9,582,225 â–¼-61.8%114,9401.1%Computer and TechnologyAPPLOVIN CORP$5,763,040$5,763,040 â–²New Holding14,4801.1%COM CL ADLRDigital Realty Trust$5,377,106$5,377,106 â–²New Holding29,8381.0%FinanceASTERA LABS INC$5,194,383$13,179,073 â–¼-71.7%47,3941.0%COMOSISOSI Systems$5,117,440$5,117,440 â–²New Holding19,2741.0%Computer and TechnologyEQIXEquinix$5,001,184$5,001,184 â–²New Holding5,1021.0%FinancePALANTIR TECHNOLOGIES INC$4,264,062$27,062 â–²0.6%29,1500.8%CL ASNOWSnowflake$3,978,179$3,978,179 â–²New Holding26,3770.8%Computer and TechnologyPEGAPegasystems$0$62,039,047 â–¼-100.0%00.0%Computer and TechnologyUUnity Software$0$47,061,015 â–¼-100.0%00.0%Computer and TechnologyCWANClearwater Analytics$0$29,822,258 â–¼-100.0%00.0%Computer and TechnologyNCNOnCino$0$29,125,040 â–¼-100.0%00.0%Computer and TechnologyKLAVIYO INC$0$23,693,457 â–¼-100.0%00.0%COM SER ACRDOCredo Technology Group$0$21,578,608 â–¼-100.0%00.0%Computer and TechnologyDOCUDocusign$0$10,726,009 â–¼-100.0%00.0%Computer and TechnologyCCCSCCC Intelligent Solutions$0$8,550,591 â–¼-100.0%00.0%Computer and TechnologyQCOMQualcomm$0$7,904,563 â–¼-100.0%00.0%Computer and TechnologyMUMicron Technology$0$5,822,364 â–¼-100.0%00.0%Computer and TechnologyWIXWix.com$0$4,854,883 â–¼-100.0%00.0%Computer and TechnologyShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data SEC Filings 13F Filings Top 13F Buys Top 13F Sells Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. 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