Q2 2025 · 13F-HR
Atika Capital Management LLCholdings as filed
Filed 2025-08-13 · accession 0001214659-25-011890
$1000.0M
Reported value
63
Positions
2025-06-30
Period end
The Brief · Atika Capital Management LLC · Q2 2025
AI · grounded in 13F
Atika Capital Management LLC established a new position in AMZN valued at $98.3M. The fund also initiated new stakes in VRT for $78.7M and MSFT for $78.6M. Additional new positions include SPOT at $48M and MLM at $39.8M.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 023135106 | AMZN | AMAZON COM INC | $87.4M | 8.74% | 398,249 | Common | SOLE |
| 92537N108 | VRT | VERTIV HOLDINGS CO | $78.7M | 7.87% | 613,100 | Common | SOLE |
| 594918104 | MSFT | MICROSOFT CORP | $78.6M | 7.86% | 158,000 | Common | SOLE |
| L8681T102 | SPOT | SPOTIFY TECHNOLOGY S A | $48.0M | 4.80% | 62,520 | Common | SOLE |
| 573284106 | MLM | MARTIN MARIETTA MATLS INC | $39.8M | 3.98% | 72,533 | Common | SOLE |
| 377322102 | GKOS | GLAUKOS CORP | $33.0M | 3.30% | 319,500 | Common | SOLE |
| 46120E602 | ISRG | INTUITIVE SURGICAL INC | $32.4M | 3.24% | 59,600 | Common | SOLE |
| 532457108 | LLY | ELI LILLY & CO | $32.0M | 3.20% | 41,100 | Common | SOLE |
| 21037T109 | CEG | CONSTELLATION ENERGY CORP | $30.6M | 3.06% | 94,800 | Common | SOLE |
| 05605H100 | BWXT | BWX TECHNOLOGIES INC | $30.3M | 3.03% | 210,400 | Common | SOLE |
| 30303M102 | META | META PLATFORMS INC | $28.0M | 2.80% | 38,000 | Common | SOLE |
| 040413205 | ANET | ARISTA NETWORKS INC | $26.8M | 2.68% | 261,608 | Common | SOLE |
| 58733R102 | MELI | MERCADOLIBRE INC | $26.1M | 2.61% | 10,000 | Common | SOLE |
| 92840M102 | VST | VISTRA CORP | $24.0M | 2.40% | 124,000 | Common | SOLE |
| 36828A101 | GEV | GE VERNOVA INC | $22.5M | 2.25% | 42,550 | Common | SOLE |
| 457730109 | INSP | INSPIRE MED SYS INC | $21.0M | 2.10% | 161,900 | Common | SOLE |
| 770700102 | HOOD | ROBINHOOD MKTS INC | $20.4M | 2.04% | 218,100 | Common | SOLE |
| 925050106 | VRNA | VERONA PHARMA PLC | $20.1M | 2.01% | 212,500 | Common | SOLE |
| 87422Q109 | TLN | TALEN ENERGY CORP | $17.4M | 1.74% | 59,800 | Common | SOLE |
| 25809K105 | DASH | DOORDASH INC | $16.4M | 1.64% | 66,400 | Common | SOLE |
| 64110L106 | NFLX | NETFLIX INC | $16.1M | 1.61% | 12,000 | Common | SOLE |
| M2682V108 | CYBR | CYBERARK SOFTWARE LTD | $15.8M | 1.58% | 38,855 | Common | SOLE |
| 18915M107 | NET | CLOUDFLARE INC | $13.5M | 1.35% | 68,801 | Common | SOLE |
| 278768106 | SATS | ECHOSTAR CORP | $12.1M | 1.21% | 4,370 | CALL | SOLE |
| 771049103 | RBLX | ROBLOX CORP | $11.5M | 1.15% | 109,000 | Common | SOLE |
| 023135106 | AMZN | AMAZON COM INC | $11.0M | 1.10% | 500 | CALL | SOLE |
| 03783C100 | APPF | APPFOLIO INC | $10.2M | 1.02% | 44,500 | Common | SOLE |
| 834203309 | SLNO | SOLENO THERAPEUTICS INC | $10.1M | 1.01% | 120,500 | Common | SOLE |
| 63845R107 | EYE | NATIONAL VISION HLDGS INC | $9.5M | 0.95% | 414,200 | Common | SOLE |
| 90353T100 | UBER | UBER TECHNOLOGIES INC | $9.3M | 0.93% | 1,000 | CALL | SOLE |
| 67066G104 | NVDA | NVIDIA CORPORATION | $9.3M | 0.93% | 58,800 | Common | SOLE |
| 02043Q107 | ALNY | ALNYLAM PHARMACEUTICALS INC | $9.0M | 0.90% | 27,700 | Common | SOLE |
| 26603R106 | DUOL | DUOLINGO INC | $8.7M | 0.87% | 21,100 | Common | SOLE |
| 00724F101 | ADBE | ADOBE INC | $8.6M | 0.86% | 22,298 | Common | SOLE |
| G8068L108 | SN | SHARKNINJA INC | $8.5M | 0.85% | 85,500 | Common | SOLE |
| 576323109 | MTZ | MASTEC INC | $8.4M | 0.84% | 49,200 | Common | SOLE |
| 369604301 | GE | GE AEROSPACE | $8.1M | 0.81% | 31,441 | Common | SOLE |
| 82509L107 | SHOP | SHOPIFY INC | $8.0M | 0.80% | 69,400 | Common | SOLE |
| 632307104 | NTRA | NATERA INC | $7.9M | 0.79% | 46,497 | Common | SOLE |
| 892672106 | TW | TRADEWEB MKTS INC | $7.3M | 0.73% | 50,000 | Common | SOLE |
| 980745103 | WWD | WOODWARD INC | $7.0M | 0.70% | 28,600 | Common | SOLE |
| 501575104 | KYMR | KYMERA THERAPEUTICS INC | $6.4M | 0.64% | 146,600 | Common | SOLE |
| 31488V107 | FERG | FERGUSON ENTERPRISES INC | $6.4M | 0.64% | 29,300 | Common | SOLE |
| G5960L103 | MDT | MEDTRONIC PLC | $6.3M | 0.63% | 720 | CALL | SOLE |
| 231561101 | CW | CURTISS WRIGHT CORP | $5.6M | 0.56% | 11,500 | Common | SOLE |
| G8192H106 | SPNT | SIRIUSPOINT LTD | $5.5M | 0.55% | 269,300 | Common | SOLE |
| 05464T104 | AXSM | AXSOME THERAPEUTICS INC | $4.8M | 0.48% | 46,121 | Common | SOLE |
| 87256C101 | TKO | TKO GROUP HOLDINGS INC | $4.8M | 0.48% | 26,200 | Common | SOLE |
| 40131M109 | GH | GUARDANT HEALTH INC | $4.6M | 0.46% | 89,200 | Common | SOLE |
| 78349D107 | RXST | RXSIGHT INC | $4.6M | 0.46% | 354,907 | Common | SOLE |
| G0896C103 | TBBB | BBB FOODS INC | $4.5M | 0.45% | 161,544 | Common | SOLE |
| 77543R102 | ROKU | ROKU INC | $3.9M | 0.39% | 44,600 | Common | SOLE |
| N97284108 | NBIS | NEBIUS GROUP N.V. | $3.8M | 0.38% | 69,500 | Common | SOLE |
| 04351P101 | ASNDUSD | ASCENDIS PHARMA A/S | $2.8M | 0.28% | 16,400 | Common | SOLE |
| 339750101 | FND | FLOOR & DECOR HLDGS INC | $2.3M | 0.23% | 300 | CALL | SOLE |
| 874039100 | TSM | TAIWAN SEMICONDUCTOR MFG LTD | $2.3M | 0.23% | 10,000 | Common | SOLE |
| 433313103 | HNGE | HINGE HEALTH INC | $2.3M | 0.23% | 43,700 | Common | SOLE |
| 931427108 | WFC | WALGREENS BOOTS ALLIANCE INC | $1.7M | 0.17% | 1,500 | PUT | SOLE |
| 67000B104 | NOVT | NOVANTA INC | $1.4M | 0.14% | 10,600 | Common | SOLE |
| 93403J106 | WRBY | WARBY PARKER INC | $982,464 | 0.10% | 44,800 | Common | SOLE |
| 278768106 | SATS | ECHOSTAR CORP | $670,340 | 0.07% | 24,200 | Common | SOLE |
| 142152107 | CAI | CARIS LIFE SCIENCES INC | $668,000 | 0.07% | 25,000 | Common | SOLE |
| 852312305 | STAA | STAAR SURGICAL CO | $275,193 | 0.03% | 16,400 | 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.