Atika Capital Management LLC 13F Holdings · Q2 2026
Atika Capital Management LLC reported 62 securities worth $1.52B in its SEC 13F filing for Q2 2026 (period ended 2026-06-30). Top holdings: VRT (14.66%), QQQ (8.03%), XBI (5.85%). Among its top 25 positions this quarter: 11 new, 8 added, 3 trimmed.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | VRT | VERTIV HOLDINGS CO | $223.0M | 14.66% | 666,100 | Hold |
| 2 | QQQ | INVESCO QQQ TR | $122.2M | 8.03% | 1,660 | New |
| 3 | XBI | SPDR SERIES TRUST | $89.0M | 5.85% | 5,625 | Added |
| 4 | STX | SEAGATE TECHNOLOGY HLDNGS PL | $77.1M | 5.07% | 79,865 | Added |
| 5 | AMZN | AMAZON COM INC | $63.4M | 4.17% | 46,220 | Added |
| 6 | GEV | GE VERNOVA INC | $58.7M | 3.86% | 500 | New |
| 7 | AMD | ADVANCED MICRO DEVICES INC | $55.5M | 3.65% | 95,500 | New |
| 8 | LLY | ELI LILLY & CO | $49.3M | 3.24% | 41,100 | Hold |
| 9 | ECHO | ECHOSTAR CORP | $40.8M | 2.68% | 332,109 | Added |
| 10 | INTC | INTEL CORP | $36.9M | 2.42% | 264,000 | Added |
| 11 | MU | MICRON TECHNOLOGY INC | $34.6M | 2.28% | 300 | New |
| 12 | SMH | VANECK ETF TRUST | $33.5M | 2.20% | 510 | Trimmed |
| 13 | GH | GUARDANT HEALTH INC | $27.2M | 1.78% | 181,000 | Added |
| 14 | IGV | ISHARES TR | $24.6M | 1.62% | 2,720 | New |
| 15 | CIEN | CIENA CORP | $23.9M | 1.57% | 48,768 | Added |
| 16 | ISRG | INTUITIVE SURGICAL INC | $22.8M | 1.50% | 57,216 | Hold |
| 17 | BTI | BRITISH AMERN TOB PLC | $20.4M | 1.34% | 3,300 | New |
| 18 | IBIT | ISHARES BITCOIN TRUST ETF | $20.0M | 1.31% | 6,000 | New |
| 19 | TEVA | TEVA PHARMACEUTICAL INDS LTD | $18.3M | 1.20% | 441,000 | Trimmed |
| 20 | VPG | VISHAY PRECISION GROUP INC | $17.7M | 1.16% | 118,000 | New |
| 21 | MRVL | MARVELL TECHNOLOGY INC | $17.3M | 1.14% | 58,000 | New |
| 22 | RKLB | ROCKET LAB CORP | $17.2M | 1.13% | 169,000 | Added |
| 23 | WDC | WESTERN DIGITAL CORP | $16.9M | 1.11% | 26,477 | Trimmed |
| 24 | RVMD | REVOLUTION MEDICINES INC | $16.5M | 1.08% | 88,000 | New |
| 25 | ASND | ASCENDIS PHARMA A/S | $16.3M | 1.07% | 61,000 | New |
Source: SEC Form 13F filings · as of 2026-06-30
Every position in this 13F-HR, with its change from the prior quarter.
13F holdings, latest quarter
SourceSEC EDGAR13F-HR