Q3 2025 · 13F-HR
Atika Capital Management LLCholdings as filed
Filed 2025-11-13 · accession 0001214659-25-016379
$1.24B
Reported value
86
Positions
2025-09-30
Period end
The Brief · Atika Capital Management LLC · Q3 2025
AI · grounded in 13F
Atika Capital Management LLC established a new position in VRT valued at $92.5M. The fund also initiated new stakes in AMZN for $87.2M and MSFT for $85.5M. Additional new positions include SPOT at $43.9M and MLM at $43.2M. Total assets under management stand at $1.24B across 81 positions.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 92537N108 | VRT | VERTIV HOLDINGS CO | $92.5M | 7.45% | 613,100 | Common | SOLE |
| 023135106 | AMZN | AMAZON COM INC | $87.2M | 7.02% | 397,049 | Common | SOLE |
| 594918104 | MSFT | MICROSOFT CORP | $85.5M | 6.88% | 165,000 | Common | SOLE |
| L8681T102 | SPOT | SPOTIFY TECHNOLOGY S A | $43.9M | 3.53% | 62,870 | Common | SOLE |
| 573284106 | MLM | MARTIN MARIETTA MATLS INC | $43.2M | 3.48% | 68,483 | Common | SOLE |
| 05605H100 | BWXT | BWX TECHNOLOGIES INC | $40.1M | 3.23% | 217,400 | Common | SOLE |
| 040413205 | ANET | ARISTA NETWORKS INC | $33.7M | 2.71% | 231,208 | Common | SOLE |
| 532457108 | LLY | ELI LILLY & CO | $31.4M | 2.53% | 41,100 | Common | SOLE |
| 21037T109 | CEG | CONSTELLATION ENERGY CORP | $31.2M | 2.51% | 94,800 | Common | SOLE |
| 278768106 | SATS | ECHOSTAR CORP | $30.4M | 2.45% | 3,983 | CALL | SOLE |
| 87422Q109 | TLN | TALEN ENERGY CORP | $29.5M | 2.37% | 69,300 | Common | SOLE |
| G7997R103 | STX | SEAGATE TECHNOLOGY HLDNGS PL | $27.9M | 2.25% | 118,096 | Common | SOLE |
| 36828A101 | GEV | GE VERNOVA INC | $26.1M | 2.10% | 42,439 | Common | SOLE |
| 30303M102 | META | META PLATFORMS INC | $26.1M | 2.10% | 35,500 | Common | SOLE |
| 46120E602 | ISRG | INTUITIVE SURGICAL INC | $25.6M | 2.06% | 57,236 | Common | SOLE |
| 92840M102 | VST | VISTRA CORP | $24.1M | 1.94% | 123,000 | Common | SOLE |
| M2682V108 | CYBR | CYBERARK SOFTWARE LTD | $21.7M | 1.75% | 44,855 | Common | SOLE |
| 64110L106 | NFLX | NETFLIX INC | $21.6M | 1.74% | 18,000 | Common | SOLE |
| 18915M107 | NET | CLOUDFLARE INC | $21.0M | 1.69% | 98,010 | Common | SOLE |
| N97284108 | NBIS | NEBIUS GROUP N.V. | $20.2M | 1.63% | 179,880 | Common | SOLE |
| 771049103 | RBLX | ROBLOX CORP | $19.7M | 1.59% | 142,500 | Common | SOLE |
| 925050106 | VRNA | VERONA PHARMA PLC | $18.8M | 1.51% | 176,000 | Common | SOLE |
| 58733R102 | MELI | MERCADOLIBRE INC | $18.5M | 1.49% | 7,930 | Common | SOLE |
| 770700102 | HOOD | ROBINHOOD MKTS INC | $17.3M | 1.40% | 121,000 | Common | SOLE |
| 377322102 | GKOS | GLAUKOS CORP | $17.3M | 1.39% | 212,400 | Common | SOLE |
| 25809K105 | DASH | DOORDASH INC | $17.2M | 1.38% | 63,201 | Common | SOLE |
| 171757206 | CDTX | CIDARA THERAPEUTICS INC | $15.1M | 1.21% | 157,320 | Common | SOLE |
| 457730109 | INSP | INSPIRE MED SYS INC | $13.9M | 1.12% | 187,600 | Common | SOLE |
| 67066G104 | NVDA | NVIDIA CORPORATION | $13.8M | 1.11% | 73,900 | Common | SOLE |
| 88160R101 | TSLA | TESLA INC | $13.8M | 1.11% | 31,000 | Common | SOLE |
| 457669307 | INSM | INSMED INC | $13.7M | 1.10% | 95,000 | Common | SOLE |
| 00724F101 | ADBE | ADOBE INC | $13.7M | 1.10% | 38,698 | Common | SOLE |
| 77543R102 | ROKU | ROKU INC | $13.3M | 1.07% | 133,000 | Common | SOLE |
| 03783C100 | APPF | APPFOLIO INC | $12.3M | 0.99% | 44,500 | Common | SOLE |
| 82509L107 | SHOP | SHOPIFY INC | $11.7M | 0.94% | 78,500 | Common | SOLE |
| 171779309 | CIEN | CIENA CORP | $11.7M | 0.94% | 80,000 | Common | SOLE |
| 02043Q107 | ALNY | ALNYLAM PHARMACEUTICALS INC | $10.1M | 0.82% | 22,206 | Common | SOLE |
| 369604301 | GE | GE AEROSPACE | $9.9M | 0.80% | 33,000 | Common | SOLE |
| 49177J102 | KVUE | KENVUE INC | $9.4M | 0.76% | 5,785 | CALL | SOLE |
| 63845R107 | EYE | NATIONAL VISION HLDGS INC | $8.8M | 0.71% | 301,000 | Common | SOLE |
| N07059210 | ASML | ASML HOLDING N V | $8.5M | 0.68% | 8,740 | Common | SOLE |
| 576323109 | MTZ | MASTEC INC | $8.4M | 0.68% | 39,500 | Common | SOLE |
| 40131M109 | GH | GUARDANT HEALTH INC | $8.3M | 0.67% | 133,000 | Common | SOLE |
| 632307104 | NTRA | NATERA INC | $7.5M | 0.60% | 46,497 | Common | SOLE |
| 23331A109 | DHI | D R HORTON INC | $7.5M | 0.60% | 44,000 | Common | SOLE |
| 26603R106 | DUOL | DUOLINGO INC | $7.1M | 0.58% | 22,200 | Common | SOLE |
| 33829M101 | FIVE | FIVE BELOW INC | $7.0M | 0.57% | 45,500 | Common | SOLE |
| 603170101 | MLYS | MINERALYS THERAPEUTICS INC | $6.6M | 0.53% | 174,000 | Common | SOLE |
| 31488V107 | FERG | FERGUSON ENTERPRISES INC | $6.6M | 0.53% | 29,300 | Common | SOLE |
| 05464T104 | AXSM | AXSOME THERAPEUTICS INC | $6.0M | 0.48% | 49,000 | Common | SOLE |
| 339750101 | FND | FLOOR & DECOR HLDGS INC | $5.9M | 0.47% | 800 | CALL | SOLE |
| 00370M103 | ABVX | ABIVAX SA | $5.9M | 0.47% | 69,000 | Common | SOLE |
| G7997R103 | STX | SEAGATE TECHNOLOGY HLDNGS PL | $5.5M | 0.44% | 234 | CALL | SOLE |
| 74366E102 | PTGX | PROTAGONIST THERAPEUTICS INC | $5.5M | 0.44% | 83,000 | Common | SOLE |
| 13100M509 | CALX | CALIX INC | $5.5M | 0.44% | 89,500 | Common | SOLE |
| 231561101 | CW | CURTISS WRIGHT CORP | $5.5M | 0.44% | 10,051 | Common | SOLE |
| 278768106 | SATS | ECHOSTAR CORP | $5.3M | 0.42% | 69,000 | Common | SOLE |
| N90064101 | QURE | UNIQURE NV | $5.3M | 0.42% | 90,000 | Common | SOLE |
| 91332U101 | U | UNITY SOFTWARE INC | $5.2M | 0.42% | 1,300 | CALL | SOLE |
| 368736104 | GNRC | GENERAC HLDGS INC | $5.2M | 0.42% | 31,000 | Common | SOLE |
| G8192H106 | SPNT | SIRIUSPOINT LTD | $4.7M | 0.38% | 260,000 | Common | SOLE |
| 501575104 | KYMR | KYMERA THERAPEUTICS INC | $4.6M | 0.37% | 81,300 | Common | SOLE |
| 881624209 | TEVA | TEVA PHARMACEUTICAL INDS LTD | $4.5M | 0.36% | 224,000 | Common | SOLE |
| 04351P101 | ASNDUSD | ASCENDIS PHARMA A/S | $4.4M | 0.35% | 22,160 | Common | SOLE |
| G0896C103 | TBBB | BBB FOODS INC | $4.3M | 0.35% | 159,000 | Common | SOLE |
| 500767652 | KMLM | KRANESHARES TRUST | $4.2M | 0.34% | 1,000 | CALL | SOLE |
| G8068L108 | SN | SHARKNINJA INC | $4.1M | 0.33% | 40,000 | Common | SOLE |
| 88339P101 | REAL | THE REALREAL INC | $4.0M | 0.32% | 374,000 | Common | SOLE |
| 11135F101 | AVGO | BROADCOM INC | $3.8M | 0.31% | 11,500 | Common | SOLE |
| 52567D107 | LMND | LEMONADE INC | $3.7M | 0.30% | 69,000 | Common | SOLE |
| 12468P104 | AI | C3 AI INC | $3.6M | 0.29% | 2,103 | PUT | SOLE |
| 91332U101 | U | UNITY SOFTWARE INC | $3.2M | 0.26% | 80,000 | Common | SOLE |
| 78349D107 | RXST | RXSIGHT INC | $3.2M | 0.26% | 354,907 | Common | SOLE |
| 64119N608 | NTSK | NETSKOPE INC | $2.6M | 0.21% | 114,000 | Common | SOLE |
| 42238D107 | HTFL | HEARTFLOW INC | $2.3M | 0.19% | 69,000 | Common | SOLE |
| 339750101 | FND | FLOOR & DECOR HLDGS INC | $2.2M | 0.18% | 30,000 | Common | SOLE |
| 349381103 | FIGR | FIGURE TECHNOLOGY SOLUTIO | $2.0M | 0.16% | 54,000 | Common | SOLE |
| 456788108 | INFY | INFOSYS LTD | $1.6M | 0.13% | 1,000 | PUT | SOLE |
| 98420N105 | XENE | XENON PHARMACEUTICALS INC | $1.5M | 0.12% | 38,000 | Common | SOLE |
| 90400D108 | RARE | ULTRAGENYX PHARMACEUTICAL IN | $1.5M | 0.12% | 500 | CALL | SOLE |
| 462222100 | IONS | IONIS PHARMACEUTICALS INC | $1.4M | 0.11% | 21,500 | Common | SOLE |
| G9TY5A101 | ZURA | ZURA BIO LTD | $1.2M | 0.10% | 276,000 | Common | SOLE |
| 459200101 | IBM | INTERNATIONAL BUSINESS MACHS | $764,089 | 0.06% | 2,708 | Common | SOLE |
| 142152107 | CAI | CARIS LIFE SCIENCES INC | $756,250 | 0.06% | 25,000 | Common | SOLE |
| 171757206 | CDTX | CIDARA THERAPEUTICS INC | $469,224 | 0.04% | 49 | CALL | SOLE |
| 852312305 | STAA | STAAR SURGICAL CO | $440,668 | 0.04% | 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.