13F-HR filed by Shannon River Fund Management LLC
Shannon River Fund Management LLC filed this 13F-HR for the quarter ended 2026-03-31, filed 2026-05-14, with 28 holding rows worth $524,080,072.
- Accession
- 0001013594-26-000581
- Filer
- CIK 1301050
- Filed
- 2026-05-14
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q1 2026
A holdings report, 28 entries on the cover page, a total value of $524,080,072 stated on the cover page (in dollars after the unit check, H1), rows summing to $524,080,072 with VALUE read as dollars as filed, 13F file number 028-12219. The quarter's positions are built on this report. The resolved quarter.
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| TOWER SEMICONDUCTOR LTD SHS NEW | M87915274 | Stock | 504,239 | $88,483,860 | dollars as filed | |
| MARVELL TECHNOLOGY INC | 573874104 | COM | 563,573 | $55,821,906 | dollars as filed | |
| LIVE NATION ENTERTAINMENT INC COM | 538034109 | Stock | 294,398 | $44,898,639 | dollars as filed | |
| Airbnb, Inc. Class A | 009066101 | COM | 247,006 | $31,191,918 | dollars as filed | |
| RAMBUS INC DEL COM | 750917106 | Stock | 333,817 | $28,718,276 | dollars as filed | |
| COHERENT CORP COM | 19247G107 | Stock | 87,905 | $20,939,850 | dollars as filed | |
| FLEX LTD ORD | Y2573F102 | Stock | 311,223 | $20,372,658 | dollars as filed | |
| AXONENTERPRISEINC | 05464C101 | STOK | 47,442 | $20,148,143 | dollars as filed | |
| EXTREME NETWORKS INC | 30226D106 | COM | 1,313,061 | $19,800,960 | dollars as filed | |
| TOASTINCCLASSCLASSA | 888787108 | STOK | 732,027 | $19,406,036 | dollars as filed | |
| LEGENCE CORP | 52476L109 | CL A | 337,638 | $19,063,042 | dollars as filed | |
| INTERDIGITAL INC COM | 45867G101 | Stock | 54,104 | $16,339,408 | dollars as filed | |
| HINGE HEALTH INC A | 433313103 | COMMON STOCK | 417,182 | $16,086,538 | dollars as filed | |
| ADTRAN HOLDINGS INC | 00486H105 | COM | 1,219,976 | $15,347,298 | dollars as filed | |
| CELESTICA INC COM | 15101Q207 | Stock | 53,495 | $15,068,472 | dollars as filed | |
| F5 INC COM | 315616102 | Stock | 50,196 | $14,523,209 | dollars as filed | |
| LIONSGATE STUDIOS CORP COM | 53626N102 | Stock | 1,040,934 | $9,982,557 | dollars as filed | |
| GUIDEWIRE SOFTWARE INC COM | 40171V100 | Stock | 62,863 | $9,401,790 | dollars as filed | |
| ENERGY FUELS INC | 292671708 | COM NEW | 507,555 | $9,262,879 | dollars as filed | |
| SPHERE ENTERTAINMENT CO CL A | 55826T102 | Stock | 73,345 | $8,610,703 | dollars as filed | |
| AMBARELLA INC | G037AX101 | SHS | 114,940 | $5,916,536 | dollars as filed | |
| APPLOVIN CORP COM CL A | 03831W108 | Stock | 14,480 | $5,763,040 | dollars as filed | |
| DIGITAL RLTY TR INC COM | 253868103 | REIT | 29,838 | $5,377,106 | dollars as filed | |
| ASTERA LABS INC COM | 04626A103 | COM | 47,394 | $5,194,383 | dollars as filed | |
| OSI SYSTEMS INC | 671044105 | COM | 19,274 | $5,117,440 | dollars as filed | |
| EQUINIX INC COM | 29444U700 | REIT | 5,102 | $5,001,184 | dollars as filed | |
| Palantir Technologies Inc. Class A | 69608A108 | COM | 29,150 | $4,264,062 | dollars as filed | |
| SNOWFLAKE INC COM SHS | 833445109 | Stock | 26,377 | $3,978,179 | dollars as filed |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001013594-26-000581 | this filing | 2026-05-14 | acceptance time not in the bulk data set |