Shannon River Fund Management LLC

13F Portfolio Filings

Latest 13F report
Q2 2024 - Aug 13, 2024
Value $
$580M
Signature - Title
Spencer M. Waxman - Managing Member
Location
850 Third Avenue, 13 Th Floor, New York, NY
Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Date Filed
Q2 2024 21 $580M +$237M -$86.1M +$151M TSEM, CGNX, IDCC, NVDA, WIX 13F-HR 8/13/2024, 02:48 PM
Q1 2024 18 $449M +$174M -$118M +$56.6M TSEM, WIX, CGNX, NVDA, IDCC 13F-HR 5/14/2024, 01:36 PM
Q4 2023 17 $361M +$94.5M -$150M -$55.7M WIX, IDCC, TSEM, CLSXXXX, FLEX 13F-HR 2/13/2024, 09:29 AM
Q3 2023 15 $340M +$127M -$168M -$41.4M IDCC, CLSXXXX, FLEX, GDDY, WIX 13F-HR 11/13/2023, 05:01 PM
Q2 2023 15 $401M +$95.3M -$196M -$101M IDCC, FLEX, NICE, GDDY, AMD 13F-HR 8/11/2023, 01:59 PM
Q1 2023 27 $443M +$211M -$142M +$69.5M FLEX, IDCC, NICE, NVDA, ATVI 13F-HR 5/12/2023, 10:20 AM
Q4 2022 29 $315M +$171M -$104M +$67.1M FLEX, DT, MANH, IDCC, CGNX 13F-HR 2/13/2023, 10:03 AM
Q3 2022 30 $232M +$53.3M -$186M -$132M FLEX, NICE, CRM, RMBS, MANH 13F-HR 11/14/2022, 09:10 AM
Q2 2022 26 $350M +$36.9M -$345M -$308M FLEX, MANH, DT, NICE, AYX 13F-HR 8/15/2022, 11:06 AM
Q1 2022 37 $785M +$218M -$314M -$96.1M FLEX, MANH, DT, NYT, ZI Restatement 7/20/2022, 05:21 PM
Q4 2021 36 $982M +$191M -$344M -$153M DT, FLEX, GDDY, KNBE, WMG 13F-HR 2/14/2022, 10:35 AM
Q3 2021 45 $1.14B +$277M -$431M -$154M DT, FLEX, WMG, SPT, ZI 13F-HR 11/15/2021, 11:26 AM
Q2 2021 42 $1.24B +$382M -$346M +$35.9M DT, GDDY, FLEX, ADSK, SPT Restatement 8/16/2021, 03:51 PM
Q1 2021 44 $1.1B +$278M -$219M +$59.1M DT, ADSK, NYT, IDCC, GDDY 13F-HR 5/17/2021, 10:07 AM
Q4 2020 36 $1.01B +$313M -$253M +$59.7M FLEX, DT, NYT, IDCC, WMG 13F-HR 2/16/2021, 09:12 AM
Q3 2020 32 $831M +$280M -$217M +$63.2M DT, NYT, IDCC, SAIL, GDDY 13F-HR 11/16/2020, 09:54 AM
Q2 2020 31 $725M +$266M -$151M +$114M NYT, IDCC, DT, ADSK, SAIL 13F-HR 8/14/2020, 09:16 AM
Q1 2020 23 $446M +$151M -$213M -$62M NYT, IDCC, FLEX, DT, ADSK 13F-HR 5/15/2020, 10:08 AM
Q4 2019 25 $584M +$208M -$60.4M +$147M NYT, FLEX, NICE, DT, IDCC 13F-HR 2/14/2020, 11:18 AM
Q3 2019 21 $404M +$131M -$122M +$8.61M GWRE, NYT, FLEX, IDCC, NICE Restatement 2/14/2020, 11:16 AM
Q2 2019 28 $418M +$110M -$129M -$18.5M NYT, GWRE, PRO, IDCC, AVLR Restatement 2/14/2020, 11:14 AM
Q1 2019 27 $404M +$123M -$138M -$15M NYT, GWRE, ADSK, EHTH, PTC 13F-HR 5/15/2019, 06:01 AM
Q4 2018 28 $352M +$136M -$106M +$29.8M SEND, NYT, PTC, ADSK, ATVI 13F-HR 2/14/2019, 11:31 AM
Q3 2018 22 $378M +$102M -$187M -$85.1M NYT, ADSK, YEXT, PTC, GWRE 13F-HR 11/14/2018, 10:35 AM
Q2 2018 29 $424M +$167M -$119M +$48.8M NYT, EPAY, YEXT, QCOM, VMW 13F-HR 8/14/2018, 10:47 AM
Q1 2018 29 $347M +$143M -$116M +$27M MULE, EBAY, EPAY, YEXT, IMMR 13F-HR 5/15/2018, 10:18 AM
Q4 2017 29 $289M +$96.1M -$118M -$21.5M EPAY, EBAY, MRVL, IGT, CZR 13F-HR 2/14/2018, 11:05 AM
Q3 2017 27 $305M +$58M -$109M -$51M EPAY, EBAY, IAC, BL, XPER 13F-HR 11/14/2017, 12:24 PM
Q2 2017 28 $340M +$151M -$124M +$27.4M NUAN, BL, EBAY, MRVL, IGT 13F-HR 8/14/2017, 02:52 PM
Q1 2017 28 $290M +$122M -$176M -$54.4M NUAN, LGFB, MRVL, RP, ATVI 13F-HR 5/15/2017, 12:38 PM
Q4 2016 33 $320M +$119M -$169M -$49.6M MRVL, IAC, TTWO, RP, IMMR 13F-HR 2/14/2017, 11:36 AM
Q3 2016 28 $358M +$131M -$210M -$79.1M WBMD, TTWO, MRVL, TSRA, SONY 13F-HR 11/14/2016, 11:37 AM
Q2 2016 33 $400M +$149M -$131M +$18.4M IAC, TTWO, MLNX, STMP, ATVI 13F-HR 8/15/2016, 12:06 PM
Q1 2016 30 $393M +$97.3M -$234M -$137M FIT, IDCC, TTWO, MLNX, HIMX 13F-HR 5/16/2016, 02:41 PM
Q4 2015 30 $516M +$147M -$194M -$46.8M GOOGL, TTWO, IDCC, STMP, QCOM 13F-HR 2/16/2016, 03:26 PM
Q3 2015 31 $538M +$58.5M -$239M -$181M WBMD, IDCC, LORL, IAC, TSRA 13F-HR 11/16/2015, 01:54 PM
Q2 2015 35 $783M +$191M -$284M -$92.7M WBMD, LORL, IDCC, EXPE, IAC 13F-HR 8/14/2015, 11:42 AM
Q1 2015 40 $851M +$236M -$383M -$147M WBMD, LORL, ATVI, NEWM, EXPE 13F-HR 5/14/2015, 11:59 AM
Q4 2014 39 $984M +$173M -$569M -$396M LORL, WBMD, GOOGL, IAC, TTWO 13F-HR 2/17/2015, 10:05 AM
Q3 2014 48 $1.32B +$432M -$431M +$1.07M IAC, AAPL, WBMD, META, EXPE 13F-HR 11/14/2014, 11:17 AM
Q2 2014 57 $1.36B +$285M -$482M -$198M WBMD, IAC, ATVI, RATE, NWSA 13F-HR 8/14/2014, 10:54 AM
Q1 2014 54 $1.47B +$501M -$340M +$162M WBMD, BRCM, CMCSA, IAC, SALE 13F-HR 5/15/2014, 03:53 PM
Q4 2013 56 $1.34B $0 $0 AMT, META, CMCSA, DGI, BRCM 13F-HR 2/13/2014, 04:07 PM