Shannon River Fund Management LLC
CIK 0001301050
Annualised vol
12.546924%
Beta
0.422165
HHI
391.505455
Top-10 weight
49.631378%
VaR 95%
1.169013%
VaR 99%
2.254762%
Max drawdown
20.596217%
Matched value
79.334691%
Returns of reported holdings
Loading returns…
Position changes vs prior quarter
What the latest 13F shows bought and sold against the quarter before, by share count.
| Ticker | Change | Shares now | Shares before | Share change % | Value now ($) |
|---|---|---|---|---|---|
| TSEM | REDUCED | 382,933 | 504,239 | -24.06% | 99,807,657 |
| FLEX | NEW | 379,834 | - | - | 61,559,696 |
| AMD | NEW | 105,751 | - | - | 61,431,813 |
| IDCC | ADDED | 184,388 | 54,104 | 240.8% | 52,205,774 |
| CLS | ADDED | 139,964 | 53,495 | 161.64% | 51,058,867 |
| COHR | ADDED | 129,283 | 87,905 | 47.07% | 50,998,265 |
| HNGE | ADDED | 561,224 | 417,182 | 34.53% | 46,581,592 |
| EXTR | ADDED | 1,424,095 | 1,313,061 | 8.46% | 46,097,955 |
| TWLO | NEW | 201,352 | - | - | 41,544,958 |
| CIEN | NEW | 81,298 | - | - | 39,881,547 |
| QNT | NEW | 469,355 | - | - | 38,365,078 |
| ABNB | ADDED | 247,836 | 247,006 | 0.34% | 35,465,332 |
| OUST | NEW | 449,264 | - | - | 28,087,985 |
| PDFS | NEW | 369,776 | - | - | 26,176,443 |
| NOK | NEW | 1,906,902 | - | - | 25,323,659 |
| ALNT | NEW | 220,237 | - | - | 22,668,994 |
| RKLB | NEW | 221,143 | - | - | 22,479,186 |
| FFIV | ADDED | 51,258 | 50,196 | 2.12% | 21,321,278 |
| CIFR | NEW | 667,931 | - | - | 16,364,310 |
| LION | ADDED | 1,050,445 | 1,040,934 | 0.91% | 16,082,313 |
| GWRE | ADDED | 113,230 | 62,863 | 80.12% | 13,932,952 |
| SPHR | ADDED | 73,878 | 73,345 | 0.73% | 12,783,110 |
| GLBE | NEW | 353,200 | - | - | 12,266,636 |
| AMPX | NEW | 838,887 | - | - | 11,626,974 |
| APLD | NEW | 265,474 | - | - | 9,902,180 |
| NET | NEW | 23,589 | - | - | 5,785,910 |
| AMKR | NEW | 65,895 | - | - | 5,682,126 |
| MU | NEW | 4,484 | - | - | 5,175,836 |
| BW | NEW | 333,153 | - | - | 4,697,457 |
| MXL | NEW | 27,377 | - | - | 3,505,077 |
| ADTN | CLOSED OUT | 0 | 1,219,976 | -100.0% | 0 |
| TOST | CLOSED OUT | 0 | 732,027 | -100.0% | 0 |
| MRVL | CLOSED OUT | 0 | 563,573 | -100.0% | 0 |
| UUUU | CLOSED OUT | 0 | 507,555 | -100.0% | 0 |
| LGN | CLOSED OUT | 0 | 337,638 | -100.0% | 0 |
| AMBA | CLOSED OUT | 0 | 114,940 | -100.0% | 0 |
| AXON | CLOSED OUT | 0 | 47,442 | -100.0% | 0 |
| ALAB | CLOSED OUT | 0 | 47,394 | -100.0% | 0 |
| PLTR | CLOSED OUT | 0 | 29,150 | -100.0% | 0 |
| SNOW | CLOSED OUT | 0 | 26,377 | -100.0% | 0 |
| OSIS | CLOSED OUT | 0 | 19,274 | -100.0% | 0 |
| APP | CLOSED OUT | 0 | 14,480 | -100.0% | 0 |
| EQIX | CLOSED OUT | 0 | 5,102 | -100.0% | 0 |
Holdings (latest quarter)
| Ticker | Change | Issuer | Class | CUSIP | Value ($) | Weight % | Shares |
|---|---|---|---|---|---|---|---|
| TSEM | REDUCED | TOWER SEMICONDUCTOR LTD | SHS NEW | M87915274 | 99,807,657 | 8.91 | 382933.0 |
| FLEX | NEW | FLEX LTD | ORD | Y2573F102 | 61,559,696 | 5.49 | 379834.0 |
| AMD | NEW | ADVANCED MICRO DEVICES INC | COM | 007903107 | 61,431,813 | 5.48 | 105751.0 |
| IDCC | ADDED | INTERDIGITAL INC | COM | 45867G101 | 52,205,774 | 4.66 | 184388.0 |
| CLS | ADDED | CELESTICA INC | COM | 15101Q207 | 51,058,867 | 4.56 | 139964.0 |
| COHR | ADDED | COHERENT CORP | COM | 19247G107 | 50,998,265 | 4.55 | 129283.0 |
| HNGE | ADDED | HINGE HEALTH INC | CL A | 433313103 | 46,581,592 | 4.16 | 561224.0 |
| EXTR | ADDED | EXTREME NETWORKS INC | COM | 30226D106 | 46,097,955 | 4.11 | 1424095.0 |
| - | KULICKE & SOFFA INDS INC | COM | 501242101 | 44,780,307 | 4.0 | 334781.0 | |
| TWLO | NEW | TWILIO INC | CL A | 90138F102 | 41,544,958 | 3.71 | 201352.0 |
| CIEN | NEW | CIENA CORP | COM NEW | 171779309 | 39,881,547 | 3.56 | 81298.0 |
| - | LIVE NATION ENTERTAINMENT IN | COM | 538034109 | 39,558,535 | 3.53 | 216037.0 | |
| - | RAMBUS INC DEL | COM | 750917106 | 38,721,984 | 3.46 | 291713.0 | |
| QNT | NEW | QUANTINUUM INC | CL A COM | 74768A104 | 38,365,078 | 3.42 | 469355.0 |
| - | UNIVERSAL TECHNICAL INST INC | COM | 913915104 | 38,070,133 | 3.4 | 890113.0 | |
| ABNB | ADDED | AIRBNB INC | COM CL A | 009066101 | 35,465,332 | 3.17 | 247836.0 |
| - | TAKE-TWO INTERACTIVE SOFTWAR | COM | 874054109 | 34,504,489 | 3.08 | 138029.0 | |
| OUST | NEW | OUSTER INC | COM NEW | 68989M202 | 28,087,985 | 2.51 | 449264.0 |
| PDFS | NEW | PDF SOLUTIONS INC | COM | 693282105 | 26,176,443 | 2.34 | 369776.0 |
| NOK | NEW | NOKIA CORP | SPONSORED ADR | 654902204 | 25,323,659 | 2.26 | 1906902.0 |
| ALNT | NEW | ALLIENT INC | COM | 019330109 | 22,668,994 | 2.02 | 220237.0 |
| RKLB | NEW | ROCKET LAB CORP | COM | 773121108 | 22,479,186 | 2.01 | 221143.0 |
| FFIV | ADDED | F5 INC | COM | 315616102 | 21,321,278 | 1.9 | 51258.0 |
| - | DYCOM INDS INC | COM NEW | 267475101 | 19,957,154 | 1.78 | 39473.0 | |
| CIFR | NEW | CIPHER DIGITAL INC | COM | 17253J106 | 16,364,310 | 1.46 | 667931.0 |
| LION | ADDED | LIONSGATE STUDIOS CORP | COM | 53626N102 | 16,082,313 | 1.44 | 1050445.0 |
| - | DIGITAL RLTY TR INC | COM | 253868103 | 15,940,239 | 1.42 | 88764.0 | |
| GWRE | ADDED | GUIDEWIRE SOFTWARE INC | COM | 40171V100 | 13,932,952 | 1.24 | 113230.0 |
| SPHR | ADDED | SPHERE ENTERTAINMENT CO | CL A | 55826T102 | 12,783,110 | 1.14 | 73878.0 |
| GLBE | NEW | GLOBAL-E ONLINE LTD | SHS | M5216V106 | 12,266,636 | 1.09 | 353200.0 |
| AMPX | NEW | AMPRIUS TECHNOLOGIES INC | COMMON STOCK | 03214Q108 | 11,626,974 | 1.04 | 838887.0 |
| APLD | NEW | APPLIED DIGITAL CORP | COM NEW | 038169207 | 9,902,180 | 0.88 | 265474.0 |
| NET | NEW | CLOUDFLARE INC | CL A COM | 18915M107 | 5,785,910 | 0.52 | 23589.0 |
| AMKR | NEW | AMKOR TECHNOLOGY INC | COM | 031652100 | 5,682,126 | 0.51 | 65895.0 |
| MU | NEW | MICRON TECHNOLOGY INC | COM | 595112103 | 5,175,836 | 0.46 | 4484.0 |
| BW | NEW | BABCOCK & WILCOX ENTERPRISES | COM | 05614L209 | 4,697,457 | 0.42 | 333153.0 |
| MXL | NEW | MAXLINEAR INC | COM | 57776J100 | 3,505,077 | 0.31 | 27377.0 |
Quarterly portfolios
| Period | Filed | Value ($) | Positions | Vol % | Beta | Max DD % |
|---|---|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | 1,120,393,801 | 37 | 12.546924 | 0.422165 | 20.596217 |
| 2026-03-31 | 2026-05-14 | 524,080,072 | 28 | 12.26159 | 0.4148 | 21.73924 |
| 2025-12-31 | 2026-02-17 | 637,506,153 | 26 | 15.588969 | 0.520534 | 32.87548 |
| 2025-09-30 | 2025-11-13 | 621,171,518 | 20 | 15.584787 | 0.56915 | 30.769466 |
| 2025-03-31 | 2025-05-14 | 383,228,663 | 14 | 17.596957 | 0.678205 | 36.334078 |
| 2024-12-31 | 2025-02-13 | 677,643,703 | 19 | 12.693473 | 0.463671 | 22.381429 |