Atika Capital Management LLC
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 13, 2024), Atika Capital Management LLC reported 74 stock positions worth $935.1 million. Its top holding was Nvidia (NVDA) at 8.0% of the portfolio, followed by Microsoft (MSFT, 4.9%) and MercadoLibre (MELI, 4.9%). Compared with Q2 2024, it opened 20 new positions, sold out of 21, added to 25 and reduced 19. The biggest buy was a new position in Talen Energy (TLN) and the biggest sale an exit from Apple (AAPL).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001599731
- Portfolio Value
- $935.1M (Q3 2024)
- SEC Filing
- 0001214659-24-018802 ↗ filed Nov 13, 2024
Holdings Value
Holdings 74 stocks · $935.1M
| NVDA Nvidia Corp. | 8.00% | 616,000 | $74.8M | Add +6.8% |
| MSFT Microsoft Corp. | 4.95% | 107,500 | $46.3M | Add +10.3% |
| MELI MercadoLibre Inc. | 4.88% | 22,250 | $45.7M | Add +20.3% |
| AMZN Amazon.com Inc. | 4.62% | 232,000 | $43.2M | Add +45.0% |
| VRT Vertiv Holdings Co. Class A | 3.75% | 352,100 | $35.0M | No change |
| INSP Inspire Medical Systems Inc. | 3.61% | 160,000 | $33.8M | Reduce -1.8% |
| GKOS Glaukos Corp. | 3.36% | 241,000 | $31.4M | Add +0.4% |
| LLY Eli Lilly & Co. | 3.09% | 32,650 | $28.9M | Add +3.2% |
| ISRG Intuitive Surgical Inc. | 2.85% | 54,200 | $26.6M | Add +1.9% |
| META Meta Platforms Inc. Class A | 2.63% | 43,000 | $24.6M | Reduce -2.3% |
| GE General Electric filed as GE AEROSPACE | 2.32% | 115,000 | $21.7M | Add +25.0% |
| RXST Rxsight Inc. | 2.17% | 410,600 | $20.3M | Add +2.0% |
| ANET Arista Networks Inc. | 2.07% | 50,400 | $19.3M | No change |
| CEG Constellation Energy | 1.85% | 66,500 | $17.3M | Add +1.5% |
| MLM Martin Marietta Materials | 1.76% | 30,500 | $16.4M | Add +14.7% |
| CYBR Cyberark Software Ltd./Israel | 1.72% | 55,000 | $16.0M | Reduce -16.7% |
| TLN Talen Energy Corp. | 1.70% | 89,000 | $15.9M | New |
| ENPH Enphase Energy Inc. | 1.68% | 138,800 | $15.7M | Add +215.4% |
| SHW The Sherwin-Williams Co. | 1.67% | 41,000 | $15.6M | Add +1.2% |
| SPOT Spotify Technology SA | 1.60% | 40,700 | $15.0M | Reduce -31.0% |
| DASH DoorDash Inc. Class A | 1.54% | 101,000 | $14.4M | Add +60.3% |
| APPF Appfolio Inc. Class A | 1.49% | 59,000 | $13.9M | No change |
| VST Vistra Corp. | 1.39% | 110,000 | $13.0M | Reduce -21.4% |
| ARGX Argenx SE - ADR | 1.37% | 23,595 | $12.8M | No change |
| BWXT BWX Technologies Inc. | 1.25% | 107,400 | $11.7M | No change |
| ABNB Airbnb Inc. Class A | 1.22% | 90,000 | $11.4M | Add +45.9% |
| S Sentinelone Inc. Class A | 1.19% | 467,000 | $11.2M | Reduce -37.5% |
| GEV GE Vernova Inc. | 1.17% | 43,000 | $11.0M | New |
| CAVA Cava Group Inc. | 1.13% | 85,000 | $10.5M | New |
| SG Sweetgreen Inc. Class A | 1.12% | 295,000 | $10.5M | Add +25.5% |
| SFM Sprouts Farmers Market Inc. | 1.07% | 91,000 | $10.0M | New |
| TSM Taiwan Semiconductor-SP ADR | 1.06% | 57,000 | $9.9M | Reduce -28.3% |
| UTHR United Therapeutics Corp. | 1.05% | 27,500 | $9.9M | Reduce -5.2% |
| THC Tenet Healthcare Corp. | 1.01% | 57,000 | $9.5M | Add +9.6% |
| PWR Quanta Services Inc. | 1.00% | 31,500 | $9.4M | Reduce -10.0% |
| ADBE Adobe Inc. | 1.00% | 18,000 | $9.3M | No change |
| TW Tradeweb Markets Inc. Class A | 0.98% | 73,808 | $9.1M | No change |
| FRPT Freshpet Inc. | 0.97% | 66,000 | $9.0M | New |
| REGN Regeneron Pharmaceuticals | 0.96% | 8,500 | $8.9M | Reduce -10.5% |
| ALNY Alnylam Pharmaceuticals Inc. | 0.91% | 31,000 | $8.5M | Add +26.5% |
| MDB Mongodb Inc. | 0.88% | 30,500 | $8.2M | No change |
| NTRA Natera Inc. | 0.87% | 64,000 | $8.1M | Add +113.3% |
| LNTH Lantheus Holdings Inc. | 0.86% | 73,000 | $8.0M | New |
| NFLX Netflix Inc. | 0.76% | 10,000 | $7.1M | New |
| OSCR Oscar Health Inc. Class A | 0.76% | 333,000 | $7.1M | New |
| NET Cloudflare Inc. Class A | 0.75% | 87,000 | $7.0M | Reduce -2.8% |
| ASND Ascendis Pharma A/S | 0.69% | 43,000 | $6.4M | New |
| ITCI Intra-Cellular Therapies Inc. | 0.65% | 83,000 | $6.1M | Reduce -14.9% |
| FSLR First Solar Inc. | 0.63% | 23,500 | $5.9M | Reduce -51.0% |
| DXCM Dexcom Inc. | 0.62% | 87,000 | $5.8M | No change |
| FERG Ferguson Enterprises Inc. | 0.62% | 29,300 | $5.8M | No change |
| BECN Beacon Roofing Supply Inc. | 0.61% | 66,000 | $5.7M | Add +16.8% |
| CNM Core & Main Inc. Class A | 0.59% | 125,000 | $5.5M | Reduce -24.2% |
| TBBB BBB Foods Inc. Class A | 0.58% | 182,000 | $5.5M | Reduce -19.1% |
| AXSM Axsome Therapeutics Inc. | 0.55% | 57,000 | $5.1M | Add +16.3% |
| AMD Advanced Micro Devices | 0.54% | 31,000 | $5.1M | New |
| XENE Xenon Pharmaceuticals Inc. | 0.53% | 126,000 | $5.0M | Add +1.6% |
| DUOL Duolingo | 0.53% | 17,500 | $4.9M | Add +33.9% |
| HOV Hovnanian Enterprises-A | 0.51% | 23,500 | $4.8M | New |
| KYMR Kymera Therapeutics Inc. | 0.49% | 97,000 | $4.6M | Add +5.4% |
| INSM Insmed Inc. | 0.48% | 62,000 | $4.5M | Add +72.2% |
| POOL Pool Corp. | 0.44% | 11,000 | $4.1M | New |
| CP Canadian Pacific Kansas City | 0.41% | 45,000 | $3.8M | New |
| VRDN Viridian Therapeutics Inc. | 0.41% | 167,000 | $3.8M | New |
| RNAM Avidity Biosciences Inc. | 0.36% | 74,000 | $3.4M | New |
| WING Wingstop Inc. | 0.27% | 6,000 | $2.5M | New |
| TMDX Transmedics Group Inc. | 0.26% | 15,500 | $2.4M | Reduce -35.4% |
| VRNA Verona Pharma Ltd. | 0.22% | 72,000 | $2.1M | New |
| MRVI Maravai Lifesciences Hldgs-A | 0.21% | 240,000 | $2.0M | New |
| NTLA Intellia Therapeutics Inc. | 0.20% | 92,000 | $1.9M | New |
| ARM Arm Holdings PLC-ADR | 0.15% | 10,000 | $1.4M | Reduce -87.3% |
| CATX Perspective Therapeutics Inc. | 0.14% | 100,000 | $1.3M | Reduce -29.8% |
| ABVX Abivax SA-ADR | 0.14% | 113,631 | $1.3M | Reduce -33.4% |
| MPT Medical Properties Trust Inc. | 0.12% | 185,000 | $1.1M | New |
Options reported separately and not counted above: AMD calls ($9.0M), TEM puts ($6.6M), ALAB calls ($4.7M), MPT puts ($4.1M), FLNA puts ($3.7M), INMD puts ($3.1M), URA calls ($2.9M), GTLB calls ($2.6M), LEVI calls ($2.2M), LUMN puts ($1.4M).
Portfolio Sells Q2 2024 → Q3 2024
| AAPL Apple Inc. | Sold out | 0.00% | −1.47 |
| ARM Arm Holdings PLC-ADR | Reduce -87.3% | 0.15% | −1.35 |
| MRK Merck & Co. Inc. | Sold out | 0.00% | −1.19 |
| HUBS HubSpot Inc. | Sold out | 0.00% | −1.13 |
| NVO Novo-Nordisk A/S-Spons ADR | Sold out | 0.00% | −1.13 |
| DDOG Datadog Inc. Class A | Sold out | 0.00% | −1.11 |
| EXAS Exact Sciences Corp. | Sold out | 0.00% | −1.03 |
| FCX Freeport-McMoran Inc. | Sold out | 0.00% | −0.99 |
| ELF Elf Beauty Inc. | Sold out | 0.00% | −0.98 |
| BSX Boston Scientific Corp. | Sold out | 0.00% | −0.90 |
| DYN Dyne Therapeutics Inc. | Sold out | 0.00% | −0.74 |
| NBIX Neurocrine Biosciences Inc. | Sold out | 0.00% | −0.71 |
| VRTX Vertex Pharmaceuticals Inc. | Sold out | 0.00% | −0.71 |
| ASML ASML Holding NV-NY Reg SHS | Sold out | 0.00% | −0.68 |
| S Sentinelone Inc. Class A | Reduce -37.5% | 1.19% | −0.63 |
| FSLR First Solar Inc. | Reduce -51.0% | 0.63% | −0.63 |
| TSM Taiwan Semiconductor-SP ADR | Reduce -28.3% | 1.06% | −0.54 |
| SPOT Spotify Technology SA | Reduce -31.0% | 1.60% | −0.54 |
| ROIV Roivant Sciences Ltd. | Sold out | 0.00% | −0.49 |
| MNDY Monday.com Ltd. | Sold out | 0.00% | −0.47 |
| GTLB Gitlab Inc. Class A | Sold out | 0.00% | −0.45 |
| CYBR Cyberark Software Ltd./Israel | Reduce -16.7% | 1.72% | −0.38 |
| CNM Core & Main Inc. Class A | Reduce -24.2% | 0.59% | −0.34 |
| ELAN Elanco Animal Health Inc. | Sold out | 0.00% | −0.34 |
| REGN Regeneron Pharmaceuticals | Reduce -10.5% | 0.96% | −0.20 |
| COHR Coherent Corp. | Sold out | 0.00% | −0.18 |
| TMDX Transmedics Group Inc. | Reduce -35.4% | 0.26% | −0.16 |
| ITCI Intra-Cellular Therapies Inc. | Reduce -14.9% | 0.65% | −0.12 |
| ABVX Abivax SA-ADR | Reduce -33.4% | 0.14% | −0.12 |
| RH RH | Sold out | 0.00% | −0.11 |
| NET Cloudflare Inc. Class A | Reduce -2.8% | 0.75% | −0.11 |
| IMNM Immunome Inc. | Sold out | 0.00% | −0.10 |
| TBBB BBB Foods Inc. Class A | Reduce -19.1% | 0.58% | −0.04 |
| RIVN Rivian Automotive Inc. Class A | Sold out | 0.00% | −0.03 |
| PWR Quanta Services Inc. | Reduce -10.0% | 1.00% | −0.03 |
| CATX Perspective Therapeutics Inc. | Reduce -29.8% | 0.14% | −0.02 |
| UTHR United Therapeutics Corp. | Reduce -5.2% | 1.05% | −0.02 |
| VST Vistra Corp. | Reduce -21.4% | 1.39% | −0.00 |
| META Meta Platforms Inc. Class A | Reduce -2.3% | 2.63% | +0.06 |
| INSP Inspire Medical Systems Inc. | Reduce -1.8% | 3.61% | +1.08 |
Portfolio Buys Q2 2024 → Q3 2024
| TLN Talen Energy Corp. | New | 1.70% | +1.70 |
| MELI MercadoLibre Inc. | Add +20.3% | 4.88% | +1.36 |
| GEV GE Vernova Inc. | New | 1.17% | +1.17 |
| ENPH Enphase Energy Inc. | Add +215.4% | 1.68% | +1.17 |
| CAVA Cava Group Inc. | New | 1.13% | +1.13 |
| SFM Sprouts Farmers Market Inc. | New | 1.07% | +1.07 |
| AMZN Amazon.com Inc. | Add +45.0% | 4.62% | +1.04 |
| FRPT Freshpet Inc. | New | 0.97% | +0.97 |
| LNTH Lantheus Holdings Inc. | New | 0.86% | +0.86 |
| NFLX Netflix Inc. | New | 0.76% | +0.76 |
| OSCR Oscar Health Inc. Class A | New | 0.76% | +0.76 |
| DASH DoorDash Inc. Class A | Add +60.3% | 1.54% | +0.75 |
| ASND Ascendis Pharma A/S | New | 0.69% | +0.69 |
| GE General Electric | Add +25.0% | 2.32% | +0.62 |
| AMD Advanced Micro Devices | New | 0.54% | +0.54 |
| HOV Hovnanian Enterprises-A | New | 0.51% | +0.51 |
| NTRA Natera Inc. | Add +113.3% | 0.87% | +0.49 |
| POOL Pool Corp. | New | 0.44% | +0.44 |
| CP Canadian Pacific Kansas City | New | 0.41% | +0.41 |
| VRDN Viridian Therapeutics Inc. | New | 0.41% | +0.41 |
| RNAM Avidity Biosciences Inc. | New | 0.36% | +0.36 |
| CEG Constellation Energy | Add +1.5% | 1.85% | +0.33 |
| SG Sweetgreen Inc. Class A | Add +25.5% | 1.12% | +0.30 |
| SHW The Sherwin-Williams Co. | Add +1.2% | 1.67% | +0.27 |
| WING Wingstop Inc. | New | 0.27% | +0.27 |
| ALNY Alnylam Pharmaceuticals Inc. | Add +26.5% | 0.91% | +0.22 |
| VRNA Verona Pharma Ltd. | New | 0.22% | +0.22 |
| MRVI Maravai Lifesciences Hldgs-A | New | 0.21% | +0.21 |
| DUOL Duolingo | Add +33.9% | 0.53% | +0.21 |
| THC Tenet Healthcare Corp. | Add +9.6% | 1.01% | +0.21 |
| INSM Insmed Inc. | Add +72.2% | 0.48% | +0.20 |
| NTLA Intellia Therapeutics Inc. | New | 0.20% | +0.20 |
| KYMR Kymera Therapeutics Inc. | Add +5.4% | 0.49% | +0.17 |
| ABNB Airbnb Inc. Class A | Add +45.9% | 1.22% | +0.14 |
| MPT Medical Properties Trust Inc. | New | 0.12% | +0.12 |
| ISRG Intuitive Surgical Inc. | Add +1.9% | 2.85% | +0.10 |
| AXSM Axsome Therapeutics Inc. | Add +16.3% | 0.55% | +0.09 |
| MLM Martin Marietta Materials | Add +14.7% | 1.76% | +0.08 |
| GKOS Glaukos Corp. | Add +0.4% | 3.36% | +0.06 |
| BECN Beacon Roofing Supply Inc. | Add +16.8% | 0.61% | +0.02 |
| XENE Xenon Pharmaceuticals Inc. | Add +1.6% | 0.53% | −0.03 |
| MSFT Microsoft Corp. | Add +10.3% | 4.95% | −0.11 |
| LLY Eli Lilly & Co. | Add +3.2% | 3.09% | −0.23 |
| NVDA Nvidia Corp. | Add +6.8% | 8.00% | −0.26 |
| RXST Rxsight Inc. | Add +2.0% | 2.17% | −0.64 |
Options Activity Q2 2024 → Q3 2024
| QQQ Invesco QQQ Trust Series 1 | put | Sold out | 1,720 | $82.4Mbefore exit |
| SPOT Spotify Technology SA | call | Sold out | 720 | $22.6Mbefore exit |
| AMD Advanced Micro Devices | call | New | 550 | $9.0M |
| TREX Trex Company Inc. | put | Sold out | 1,000 | $7.4Mbefore exit |
| XBI SS SPDR S&P Biotech ETF | put | Sold out | 720 | $6.7Mbefore exit |
| TEM Tempus AI Inc. Class A | put | New | 1,166 | $6.6M |
| SBUX Starbucks Corp. | call | Sold out | 720 | $5.6Mbefore exit |
| MRNA Moderna Inc. | put | Sold out | 400 | $4.8Mbefore exit |
| ALAB Astera Labs Inc. | call | New | 900 | $4.7M |
| BBIO Bridgebio Pharma Inc. | call | Sold out | 1,720 | $4.4Mbefore exit |
| S Sentinelone Inc. Class A | call | Sold out | 2,000 | $4.2Mbefore exit |
| MPT Medical Properties Trust Inc. | put | Add +16.7% | 7,000 | $4.1M |
| FLNA Filana Therapeutics Inc. | put | New | 1,250 | $3.7M |
| P Everpure Inc. Class A | put | Sold out | 500 | $3.2Mbefore exit |
| INMD Inmode Ltd. | put | New | 1,856 | $3.1M |
| URA Global X Uranium ETF | call | Reduce -50.0% | 1,000 | $2.9M |
| GTLB Gitlab Inc. Class A | call | New | 500 | $2.6M |
| RPD RAPID7 Inc. | put | Sold out | 515 | $2.2Mbefore exit |
| LEVI Levi Strauss & Co. Class A | call | New | 1,000 | $2.2M |
| FIVN FIVE9 Inc. | call | Sold out | 472 | $2.1Mbefore exit |
| ONON On Holding AG Class A | put | Sold out | 500 | $1.9Mbefore exit |
| LUMN Lumen Technologies Inc. | put | New | 2,000 | $1.4M |
| ATRC Atricure Inc. | put | Sold out | 580 | $1.3Mbefore exit |
| CABA Cabaletta Bio Inc. | call | Sold out | 1,000 | $748Kbefore exit |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 62 | $1.0B | VRT, STX, AMD, LLY, INTC |
| Q1 2026 | 52 | $633.6M | VRT, LLY, ISRG, ECHO, STX |
| Q4 2025 | 64 | $718.1M | VRT, LLY, ISRG, TEVA, SHOP |
| Q3 2025 | 76 | $1.2B | VRT, AMZN, MSFT, SPOT, MLM |
| Q2 2025 | 57 | $957.3M | AMZN, VRT, MSFT, SPOT, MLM |
| Q1 2025 | 53 | $651.3M | AMZN, MSFT, VRT, SPOT, LLY |
| Q4 2024 | 73 | $772.3M | MSFT, VRT, AMZN, GKOS, INSP |
| Q3 2024 | 74 | $935.1M | NVDA, MSFT, MELI, AMZN, VRT |
| Q2 2024 | 75 | $862.5M | NVDA, MSFT, AMZN, VRT, MELI |
| Q1 2024 | 79 | $891.5M | NVDA, SWAV, MSFT, VRT, INSP |