Notify me when Shannon River Fund Management LLC files a new 13F portfolio report.
⭐ Subscribe ⭐| Quarter | Holdings | Value $ | Bought | Sold | Net | Top Holdings | Form Type | Filing Time |
|---|---|---|---|---|---|---|---|---|
| Q4 2025 | 26 | $637,506,153 | +$307,612,344 | -$313,412,713 | -$5,800,369 | TSEM, PEGA, U, LYV, MRVL | 13F-HR | 13 Feb 2026, 19:07 |
| Q3 2025 | 20 | $621,171,518 | +$137,156,821 | -$279,442,868 | -$142,286,047 | PEGA, TSEM, IDCC, WIX, FLEX | 13F-HR | 13 Nov 2025, 14:03 |
| Q2 2025 | 22 | $649,338,021 | +$307,295,816 | -$77,861,593 | +$229,434,223 | PEGA, FLEX, TSEM, MRVL, IDCC | 13F-HR | 13 Aug 2025, 11:27 |
| Q1 2025 | 14 | $383,228,663 | +$128,075,183 | -$174,454,674 | -$46,379,491 | IDCC, PEGA, TSEM, CWAN, FLEX | 13F-HR | 14 May 2025, 13:46 |
| Q4 2024 | 17 | $501,055,679 | +$59,379,257 | -$314,783,478 | -$255,404,221 | PEGA, IDCC, MRVL, TSEM, CWAN | 13F-HR | 13 Feb 2025, 16:50 |
| Q3 2024 | 18 | $661,709,698 | +$176,432,340 | -$145,858,104 | +$30,574,236 | IDCC, CWAN, TSEM, PEGA, MRVL | 13F-HR | 13 Nov 2024, 13:36 |
| Q2 2024 | 21 | $580,238,770 | +$236,699,328 | -$86,082,655 | +$150,616,673 | TSEM, CGNX, IDCC, NVDA, WIX | 13F-HR | 13 Aug 2024, 14:48 |
| Q1 2024 | 18 | $449,102,236 | +$174,292,340 | -$117,710,198 | +$56,582,142 | TSEM, WIX, CGNX, NVDA, IDCC | 13F-HR | 14 May 2024, 13:36 |
| Q4 2023 | 17 | $361,380,028 | +$94,465,909 | -$150,170,903 | -$55,704,994 | WIX, IDCC, TSEM, CLS, FLEX | 13F-HR | 13 Feb 2024, 09:29 |
| Q3 2023 | 15 | $340,115,266 | +$127,094,258 | -$168,454,876 | -$41,360,618 | IDCC, CLS, FLEX, GDDY, WIX | 13F-HR | 13 Nov 2023, 17:01 |
| Q2 2023 | 15 | $400,946,562 | +$95,275,727 | -$196,146,186 | -$100,870,459 | IDCC, FLEX, NICE, GDDY, AMD | 13F-HR | 11 Aug 2023, 13:59 |
| Q1 2023 | 27 | $443,371,924 | +$211,159,527 | -$141,626,175 | +$69,533,352 | FLEX, IDCC, NICE, NVDA, ATVI | 13F-HR | 12 May 2023, 10:20 |
| Q4 2022 | 29 | $314,570,404 | +$170,844,362 | -$103,781,703 | +$67,062,659 | FLEX, DT, MANH, IDCC, CGNX | 13F-HR | 13 Feb 2023, 10:03 |
| Q3 2022 | 30 | $232,404,000 | +$53,347,937 | -$185,602,963 | -$132,255,026 | FLEX, NICE, CRM, RMBS, MANH | 13F-HR | 14 Nov 2022, 09:10 |
| Q2 2022 | 35 | $350,064,000 | +$36,949,328 | -$344,783,894 | -$307,834,566 | FLEX, MANH, DT, NICE, AYX | 13F-HR | 15 Aug 2022, 11:06 |
| Q1 2022 | 47 | $785,177,000 | +$218,333,608 | -$314,404,618 | -$96,071,010 | FLEX, MANH, DT, NYT, ZI | Restatement | 20 Jul 2022, 17:21 |
| Q4 2021 | 45 | $982,312,000 | +$190,722,833 | -$343,675,530 | -$152,952,697 | DT, FLEX, GDDY, KNBE, WMG | 13F-HR | 14 Feb 2022, 10:35 |
| Q3 2021 | 55 | $1,137,921,000 | +$277,296,289 | -$431,314,457 | -$154,018,168 | DT, FLEX, WMG, SPT, ZI | 13F-HR | 15 Nov 2021, 11:26 |
| Q2 2021 | 54 | $1,236,679,000 | +$381,584,553 | -$345,718,194 | +$35,866,359 | DT, GDDY, FLEX, ADSK, SPT | Restatement | 16 Aug 2021, 15:51 |
| Q1 2021 | 54 | $1,099,269,000 | +$278,039,131 | -$218,979,494 | +$59,059,637 | DT, ADSK, NYT, IDCC, GDDY | 13F-HR | 17 May 2021, 10:07 |
| Q4 2020 | 45 | $1,007,314,000 | +$313,025,980 | -$253,351,924 | +$59,674,056 | FLEX, DT, NYT, IDCC, WMG | 13F-HR | 16 Feb 2021, 09:12 |
| Q3 2020 | 33 | $830,501,000 | +$280,090,445 | -$216,854,067 | +$63,236,378 | DT, NYT, IDCC, SAIL, GDDY | 13F-HR | 16 Nov 2020, 09:54 |
| Q2 2020 | 32 | $725,055,000 | +$265,720,172 | -$151,405,488 | +$114,314,684 | NYT, IDCC, DT, ADSK, SAIL | 13F-HR | 14 Aug 2020, 09:16 |
| Q1 2020 | 23 | $446,437,000 | +$150,895,600 | -$212,850,865 | -$61,955,265 | NYT, IDCC, FLEX, DT, ADSK | 13F-HR | 15 May 2020, 10:08 |
| Q4 2019 | 25 | $584,041,000 | +$207,756,025 | -$60,393,409 | +$147,362,616 | NYT, FLEX, NICE, DT, IDCC | 13F-HR | 14 Feb 2020, 11:18 |
| Q3 2019 | 21 | $404,261,000 | +$130,533,412 | -$121,922,929 | +$8,610,483 | GWRE, NYT, FLEX, IDCC, NICE | Restatement | 14 Feb 2020, 11:16 |
| Q2 2019 | 28 | $417,945,000 | +$110,062,446 | -$128,544,371 | -$18,481,925 | NYT, GWRE, PRO, IDCC, AVLR | Restatement | 14 Feb 2020, 11:14 |
| Q1 2019 | 27 | $403,956,000 | +$122,525,148 | -$137,514,300 | -$14,989,152 | NYT, GWRE, ADSK, EHTH, PTC | 13F-HR | 15 May 2019, 06:01 |
| Q4 2018 | 28 | $352,200,000 | +$136,128,131 | -$106,292,439 | +$29,835,692 | SEND, NYT, PTC, ADSK, ATVI | 13F-HR | 14 Feb 2019, 11:31 |
| Q3 2018 | 22 | $377,805,000 | +$101,939,342 | -$187,075,842 | -$85,136,500 | NYT, ADSK, YEXT, PTC, GWRE | 13F-HR | 14 Nov 2018, 10:35 |
| Q2 2018 | 29 | $424,075,000 | +$167,352,087 | -$118,573,272 | +$48,778,815 | NYT, EPAY, YEXT, QCOM, VMW | 13F-HR | 14 Aug 2018, 10:47 |
| Q1 2018 | 29 | $346,644,000 | +$142,820,669 | -$115,791,004 | +$27,029,665 | MULE, EBAY, EPAY, YEXT, IMMR | 13F-HR | 15 May 2018, 10:18 |
| Q4 2017 | 29 | $289,065,000 | +$96,147,707 | -$117,614,169 | -$21,466,462 | EPAY, EBAY, MRVL, IGT, CZR | 13F-HR | 14 Feb 2018, 11:05 |
| Q3 2017 | 27 | $304,814,000 | +$58,031,654 | -$109,081,475 | -$51,049,821 | EPAY, EBAY, IAC, BL, XPER | 13F-HR | 14 Nov 2017, 12:24 |
| Q2 2017 | 28 | $339,618,000 | +$151,102,872 | -$123,751,589 | +$27,351,283 | NUAN, BL, EBAY, MRVL, IGT | 13F-HR | 14 Aug 2017, 14:52 |
| Q1 2017 | 28 | $290,311,000 | +$121,743,258 | -$176,132,032 | -$54,388,774 | NUAN, LGFB, MRVL, RP, ATVI | 13F-HR | 15 May 2017, 12:38 |
| Q4 2016 | 33 | $320,173,000 | +$119,102,818 | -$168,654,788 | -$49,551,970 | MRVL, IAC, TTWO, RP, IMMR | 13F-HR | 14 Feb 2017, 11:36 |
| Q3 2016 | 28 | $357,718,000 | +$130,576,953 | -$209,705,567 | -$79,128,614 | WBMD, TTWO, MRVL, TSRA, SONY | 13F-HR | 14 Nov 2016, 11:37 |
| Q2 2016 | 33 | $399,909,000 | +$149,042,269 | -$130,690,583 | +$18,351,686 | IAC, TTWO, MLNX, STMP, ATVI | 13F-HR | 15 Aug 2016, 12:06 |
| Q1 2016 | 30 | $392,592,000 | +$97,347,320 | -$234,437,877 | -$137,090,557 | FIT, IDCC, TTWO, MLNX, HIMX | 13F-HR | 16 May 2016, 14:41 |
| Q4 2015 | 30 | $515,648,000 | +$147,208,060 | -$193,973,606 | -$46,765,546 | GOOGL, TTWO, IDCC, STMP, QCOM | 13F-HR | 16 Feb 2016, 15:26 |
| Q3 2015 | 31 | $538,248,000 | +$58,456,765 | -$239,123,475 | -$180,666,710 | WBMD, IDCC, LORL, IAC, TSRA | 13F-HR | 16 Nov 2015, 13:54 |
| Q2 2015 | 35 | $783,408,000 | +$190,875,731 | -$283,573,037 | -$92,697,306 | WBMD, LORL, IDCC, EXPE, IAC | 13F-HR | 14 Aug 2015, 11:42 |
| Q1 2015 | 40 | $850,899,000 | +$236,148,175 | -$383,352,326 | -$147,204,151 | WBMD, LORL, ATVI, NEWM, EXPE | 13F-HR | 14 May 2015, 11:59 |
| Q4 2014 | 39 | $983,915,000 | +$173,226,019 | -$568,756,270 | -$395,530,251 | LORL, WBMD, GOOGL, IAC, TTWO | 13F-HR | 17 Feb 2015, 10:05 |
| Q3 2014 | 48 | $1,324,447,000 | +$431,948,648 | -$430,878,828 | +$1,069,820 | IAC, AAPL, WBMD, META, EXPE | 13F-HR | 14 Nov 2014, 11:17 |
| Q2 2014 | 57 | $1,358,170,000 | +$284,659,869 | -$482,245,431 | -$197,585,562 | WBMD, IAC, ATVI, RATE, NWSA | 13F-HR | 14 Aug 2014, 10:54 |
| Q1 2014 | 54 | $1,469,408,000 | +$501,275,365 | -$339,715,812 | +$161,559,553 | WBMD, BRCM, CMCSA, IAC, SALE | 13F-HR | 15 May 2014, 15:53 |
| Q4 2013 | 56 | $1,335,577,000 | $0 | $0 | $0 | AMT, META, CMCSA, DGI, BRCM | 13F-HR | 13 Feb 2014, 16:07 |