Shannon River Fund Management LLC

13F Portfolio Filings

Most recent 13F
Q2 2026
Location
New York, NY
CIK
0001301050
All SEC filings
View on sec.gov
Holdings Value, Excluding Options
Quarter Holdings Value, Excl. Options ($000) Top Holdings Form Type Date Filed Filing ID
Q2 2026 37 1,120,394 TSEM, FLEX, AMD, IDCC 13F-HR 8/13/2026 000101359426000886
Q1 2026 28 524,080 TSEM, MRVL, LYV, ABNB 13F-HR 5/14/2026 000101359426000581
Q4 2025 26 637,506 TSEM, PEGA, U, LYV 13F-HR 2/17/2026 000101359426000239
Q3 2025 20 621,172 PEGA, TSEM, IDCC, WIX 13F-HR 11/13/2025 000101359425001398
Q2 2025 24 649,338 PEGA, FLEX, IWM puts, TSEM 13F-HR 8/13/2025 000101359425000992
Q1 2025 14 383,229 IDCC, PEGA, TSEM, CWAN 13F-HR 5/14/2025 000101359425000645
Q4 2024 19 565,731 SPY puts, PEGA, IDCC, MRVL 13F-HR 2/13/2025 000101359425000260
Q3 2024 19 661,710 IDCC, CWAN, TSEM, PEGA 13F-HR 11/13/2024 000101359424000941
Q2 2024 22 581,369 TSEM, CGNX, IDCC, NVDA 13F-HR 8/13/2024 000101359424000640
Q1 2024 18 449,102 TSEM, WIX, CGNX, NVDA 13F-HR 5/14/2024 000101359424000471
Q4 2023 23 361,380 WIX, IDCC, IDCC puts, IWM puts 13F-HR 2/13/2024 000101359424000153
Q3 2023 16 340,115 QQQ puts, IDCC, CLS, FLEX 13F-HR 11/13/2023 000101359423000910
Q2 2023 15 400,947 IDCC, FLEX, NICE, GDDY 13F-HR 8/11/2023 000101359423000659
Q1 2023 27 443,426 FLEX, IDCC, NICE, NVDA 13F-HR 5/12/2023 000101359423000466
Q4 2022 30 314,604 QQQ puts, FLEX, DT, MANH 13F-HR 2/13/2023 000101359423000174
Q3 2022 30 232,879 FLEX, NICE, CRM, RMBS 13F-HR 11/14/2022 000156761922019714
Q2 2022 35 351,952 FLEX, MANH, DT, NICE 13F-HR 8/15/2022 000156761922016018
Q1 2022 48 789,058 QQQ puts, FLEX, MANH, DT RESTATEMENT 7/20/2022 000156761922014249
Q4 2021 45 985,866 DT, FLEX, GDDY, KNBE 13F-HR 2/14/2022 000156761922003912
Q3 2021 57 1,142,866 QQQ puts, IWM puts, DT, FLEX 13F-HR 11/15/2021 000156761921020217
Q2 2021 55 1,242,715 QQQ puts, DT, GDDY, FLEX RESTATEMENT 8/16/2021 000156761921015814
Q1 2021 57 1,104,540 QQQ puts, IGV puts, DT, ADSK 13F-HR 5/17/2021 000156761921010317
Q4 2020 46 1,020,854 FLEX, DT, NYT, IDCC 13F-HR 2/16/2021 000156761921003759
Q3 2020 33 831,870 DT, NYT, IDCC, SAIL 13F-HR 11/16/2020 000156761920019672
Q2 2020 33 726,196 NYT, IDCC, DT, ADSK 13F-HR 8/14/2020 000156761920015186
Q1 2020 26 446,437 NYT, MSFT calls, IDCC, NYT puts 13F-HR 5/15/2020 000156761920010288
Q4 2019 27 584,041 IWM puts, QQQ puts, NYT, FLEX 13F-HR 2/14/2020 000156761920003634
Q3 2019 24 404,261 IWM puts, SMH puts, GWRE, NYT RESTATEMENT 2/14/2020 000156761920003631
Q2 2019 31 417,945 IWM puts, NYT, SMH puts, GWRE RESTATEMENT 2/14/2020 000156761920003627
Q1 2019 30 403,956 QQQ puts, QCOM puts, NYT, GWRE 13F-HR 5/15/2019 000156761919010917
Q4 2018 28 352,200 SEND, NYT, PTC, ADSK 13F-HR 2/14/2019 000156761919004088
Q3 2018 23 377,805 IWM puts, NYT, ADSK, YEXT 13F-HR 11/14/2018 000156761918006028
Q2 2018 33 424,075 IWM puts, QQQ puts, NYT, EPAY 13F-HR 8/14/2018 000156761918000772
Q1 2018 31 346,644 QQQ puts, MULE, EBAY, EPAY 13F-HR 5/15/2018 000114036118023559
Q4 2017 30 289,065 IWM puts, EPAY, EBAY, MRVL 13F-HR 2/14/2018 000114036118007681
Q3 2017 30 304,814 EPAY, EBAY, IAC, BL 13F-HR 11/14/2017 000114036117042505
Q2 2017 31 339,618 NUAN, BL, EBAY, MRVL 13F-HR 8/14/2017 000114036117031878
Q1 2017 28 290,311 NUAN, LGF-B, MRVL, RP 13F-HR 5/15/2017 000114036117020414
Q4 2016 35 320,173 MRVL, IAC, TTWO, RP 13F-HR 2/14/2017 000114036117006684
Q3 2016 29 357,718 WBMD, TTWO, MRVL, TSRA 13F-HR 11/14/2016 000114036116086106
Q2 2016 33 399,909 IAC, TTWO, MLNX, STMP 13F-HR 8/15/2016 000114036116076462
Q1 2016 30 392,592 FIT, IDCC, TTWO, MLNX 13F-HR 5/16/2016 000114036116065543
Q4 2015 30 515,648 GOOGL, TTWO, IDCC, STMP 13F-HR 2/16/2016 000114036116053122
Q3 2015 31 538,248 WBMD, IDCC, LORL, IAC 13F-HR 11/16/2015 000114036115041549
Q2 2015 37 783,408 IWM puts, WBMD, LORL, IDCC 13F-HR 8/14/2015 000114036115031968
Q1 2015 41 850,899 WBMD, LORL, ATVI, NEWM 13F-HR 5/14/2015 000114036115019558
Q4 2014 39 983,915 LORL, WBMD, GOOGL, IAC 13F-HR 2/17/2015 000114036115006818
Q3 2014 48 1,324,447 IAC, AAPL, WBMD, META 13F-HR 11/14/2014 000114036114041886
Q2 2014 59 1,358,170 SPY puts, EEM puts, WBMD, IAC 13F-HR 8/14/2014 000114036114032454
Q1 2014 56 1,469,408 EEM puts, WBMD, BRCM, CMCSA 13F-HR 5/15/2014 000114036114021558
Q4 2013 56 1,335,577 AMT, META, CMCSA, DGI 13F-HR 2/13/2014 000114036114006971
Additional filings from Shannon River Fund Management LLC that have since been restated