Q1 2026 · 13F-HR
Shannon River Fund Management LLCholdings as filed
Filed 2026-05-14 · accession 0001013594-26-000581
$524.1M
Reported value
28
Positions
2026-03-31
Period end
The Brief · Shannon River Fund Management LLC · Q1 2026
AI · grounded in 13F
Shannon River Fund Management LLC closed its position in PEGA, reducing exposure by $62.0M. The fund also exited positions in U and CWAN, while initiating a new $31.2M stake in ABNB. Other notable additions include new positions in RMBS and TOST, alongside a 49.2% increase in shares of MRVL.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| M87915274 | TSEM | TOWER SEMICONDUCTOR LTD | $88.5M | 16.9% | 504,239 | Common | SOLE |
| 573874104 | MRVL | MARVELL TECHNOLOGY INC | $55.8M | 10.7% | 563,573 | Common | SOLE |
| 538034109 | LYV | LIVE NATION ENTERTAINMENT IN | $44.9M | 8.57% | 294,398 | Common | SOLE |
| 009066101 | ABNB | AIRBNB INC | $31.2M | 5.95% | 247,006 | Common | SOLE |
| 750917106 | RMBS | RAMBUS INC DEL | $28.7M | 5.48% | 333,817 | Common | SOLE |
| 19247G107 | COHR | COHERENT CORP | $20.9M | 4.00% | 87,905 | Common | SOLE |
| Y2573F102 | FLEX | FLEXTRONICS INTL LTD | $20.4M | 3.89% | 311,223 | Common | SOLE |
| 05464C101 | AXON | AXON ENTERPRISE INC | $20.1M | 3.84% | 47,442 | Common | SOLE |
| 30226D106 | EXTR | EXTREME NETWORKS | $19.8M | 3.78% | 1,313,061 | Common | SOLE |
| 888787108 | TOST | TOAST INC | $19.4M | 3.70% | 732,027 | Common | SOLE |
| 52476L109 | LGN | LEGENCE CORP | $19.1M | 3.64% | 337,638 | Common | SOLE |
| 45867G101 | IDCC | INTERDIGITAL INC | $16.3M | 3.12% | 54,104 | Common | SOLE |
| 433313103 | HNGE | HINGE HEALTH INC | $16.1M | 3.07% | 417,182 | Common | SOLE |
| 00486H105 | ADTN | ADTRAN HOLDINGS INC | $15.3M | 2.93% | 1,219,976 | Common | SOLE |
| 15101Q207 | CLS | CELESTICA INC | $15.1M | 2.88% | 53,495 | Common | SOLE |
| 315616102 | FFIV | F5 INC | $14.5M | 2.77% | 50,196 | Common | SOLE |
| 53626N102 | LION | LIONSGATE STUDIOS CORP | $10.0M | 1.90% | 1,040,934 | Common | SOLE |
| 40171V100 | GWRE | GUIDEWIRE SOFTWARE INC | $9.4M | 1.79% | 62,863 | Common | SOLE |
| 292671708 | UUUU | ENERGY FUELS INC | $9.3M | 1.77% | 507,555 | Common | SOLE |
| 55826T102 | SPHR | SPHERE ENTERTAINMENT CO | $8.6M | 1.64% | 73,345 | Common | SOLE |
| G037AX101 | AMBA | AMBARELLA INC | $5.9M | 1.13% | 114,940 | Common | SOLE |
| 03831W108 | APP | APPLOVIN CORP | $5.8M | 1.10% | 14,480 | Common | SOLE |
| 253868103 | DLR | DIGITAL RLTY TR INC | $5.4M | 1.03% | 29,838 | Common | SOLE |
| 04626A103 | ALAB | ASTERA LABS INC | $5.2M | 0.99% | 47,394 | Common | SOLE |
| 671044105 | OSIS | OSI SYSTEMS INC | $5.1M | 0.98% | 19,274 | Common | SOLE |
| 29444U700 | EQIX | EQUINIX INC | $5.0M | 0.95% | 5,102 | Common | SOLE |
| 69608A108 | PLTR | PALANTIR TECHNOLOGIES INC | $4.3M | 0.81% | 29,150 | Common | SOLE |
| 833445109 | SNOW | SNOWFLAKE INC | $4.0M | 0.76% | 26,377 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.