Atika Capital Management LLC
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 14, 2024), Atika Capital Management LLC reported 79 stock positions worth $891.5 million. Its top holding was Nvidia (NVDA) at 4.3% of the portfolio, followed by Shockwave Medical (SWAV, 4.2%) and Microsoft (MSFT, 4.1%). Compared with Q4 2023, it opened 34 new positions, sold out of 24, added to 22 and reduced 19. The biggest buy was Nvidia (NVDA, shares +133%) and the biggest sale Advanced Micro Devices (AMD, shares −71%).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001599731
- Portfolio Value
- $891.5M (Q1 2024)
- SEC Filing
- 0001214659-24-008983 ↗ filed May 14, 2024
Holdings Value
Holdings 79 stocks · $891.5M
| NVDA Nvidia Corp. | 4.26% | 42,000 | $37.9M | Add +133.3% |
| SWAV Shockwave Medical Inc. | 4.18% | 114,500 | $37.3M | Add +12.8% |
| MSFT Microsoft Corp. | 4.08% | 86,500 | $36.4M | Add +23.6% |
| VRT Vertiv Holdings Co. Class A | 3.29% | 359,000 | $29.3M | Reduce -6.8% |
| INSP Inspire Medical Systems Inc. | 3.13% | 129,735 | $27.9M | Add +6.7% |
| AMZN Amazon.com Inc. | 2.81% | 139,000 | $25.1M | Add +76.0% |
| MELI MercadoLibre Inc. | 2.63% | 15,490 | $23.4M | Reduce -11.4% |
| LLY Eli Lilly & Co. | 2.62% | 30,000 | $23.3M | Reduce -3.2% |
| ISRG Intuitive Surgical Inc. | 2.44% | 54,600 | $21.8M | Add +3.8% |
| RXST Rxsight Inc. | 2.40% | 414,000 | $21.4M | Reduce -6.8% |
| META Meta Platforms Inc. Class A | 2.23% | 41,000 | $19.9M | Reduce -44.6% |
| S Sentinelone Inc. Class A | 2.09% | 800,000 | $18.6M | Add +4.6% |
| APPF Appfolio Inc. Class A | 1.91% | 69,000 | $17.0M | Add +13.1% |
| MLM Martin Marietta Materials | 1.89% | 27,500 | $16.9M | Reduce -19.1% |
| GKOS Glaukos Corp. | 1.85% | 175,000 | $16.5M | Add +40.0% |
| BWXT BWX Technologies Inc. | 1.74% | 151,000 | $15.5M | Reduce -8.5% |
| CNM Core & Main Inc. Class A | 1.69% | 263,000 | $15.1M | Add +31.5% |
| FCX Freeport-McMoran Inc. | 1.69% | 320,000 | $15.0M | New |
| MRK Merck & Co. Inc. | 1.69% | 114,000 | $15.0M | New |
| EXAS Exact Sciences Corp. | 1.67% | 215,000 | $14.8M | Add +76.2% |
| SHW The Sherwin-Williams Co. | 1.64% | 42,000 | $14.6M | Reduce -26.3% |
| DXCM Dexcom Inc. | 1.60% | 103,000 | $14.3M | No change |
| MNDY Monday.com Ltd. | 1.60% | 63,000 | $14.2M | Add +350.0% |
| INTC Intel Corp. | 1.59% | 320,000 | $14.1M | Add +10.3% |
| NET Cloudflare Inc. Class A | 1.58% | 145,100 | $14.1M | New |
| ANET Arista Networks Inc. | 1.57% | 48,200 | $14.0M | Reduce -31.5% |
| NVO Novo-Nordisk A/S-Spons ADR | 1.45% | 100,500 | $12.9M | New |
| GE General Electric | 1.42% | 72,000 | $12.6M | New |
| ABNB Airbnb Inc. Class A | 1.41% | 76,000 | $12.5M | Reduce -2.6% |
| VST Vistra Corp. | 1.39% | 178,000 | $12.4M | New |
| PWR Quanta Services Inc. | 1.37% | 47,000 | $12.2M | Reduce -42.0% |
| CYBR Cyberark Software Ltd./Israel | 1.34% | 45,000 | $12.0M | New |
| AMD Advanced Micro Devices | 1.34% | 66,000 | $11.9M | Reduce -71.4% |
| MDB Mongodb Inc. | 1.23% | 30,500 | $10.9M | Add +3.4% |
| ARGX Argenx SE - ADR | 1.18% | 26,695 | $10.5M | No change |
| DASH DoorDash Inc. Class A | 1.16% | 75,000 | $10.3M | New |
| ALPN Alpine Immune Sciences Inc. | 1.14% | 256,000 | $10.1M | New |
| CELH Celsius Holdings Inc. | 1.12% | 120,000 | $10.0M | Reduce -14.3% |
| TW Tradeweb Markets Inc. Class A | 1.05% | 89,708 | $9.3M | No change |
| ADBE Adobe Inc. | 1.02% | 18,000 | $9.1M | Reduce -43.8% |
| DUOL Duolingo | 0.96% | 39,000 | $8.6M | Reduce -7.1% |
| REGN Regeneron Pharmaceuticals | 0.95% | 8,800 | $8.5M | New |
| NBIX Neurocrine Biosciences Inc. | 0.90% | 58,000 | $8.0M | Add +16.0% |
| CRWD CrowdStrike Holdings Inc. Class A | 0.88% | 24,500 | $7.9M | New |
| ELF Elf Beauty Inc. | 0.88% | 40,000 | $7.8M | New |
| IMNM Immunome Inc. | 0.87% | 315,000 | $7.8M | New |
| PEN Penumbra Inc. | 0.83% | 33,000 | $7.4M | No change |
| ASND Ascendis Pharma A/S | 0.82% | 48,500 | $7.3M | New |
| COHR Coherent Corp. | 0.82% | 120,000 | $7.3M | New |
| ITCI Intra-Cellular Therapies Inc. | 0.81% | 105,000 | $7.3M | Add +5.0% |
| MRVL Marvell Technology Inc. | 0.80% | 100,000 | $7.1M | New |
| ELAN Elanco Animal Health Inc. | 0.78% | 427,188 | $7.0M | Add +754.4% |
| FERG Ferguson Jersey Ltd. | 0.72% | 29,300 | $6.4M | Reduce -14.6% |
| RH RH | 0.68% | 17,500 | $6.1M | New |
| SDRL Seadrill Limited | 0.65% | 115,000 | $5.8M | Reduce -16.1% |
| ROIV Roivant Sciences Ltd. | 0.63% | 534,980 | $5.6M | Reduce -27.7% |
| CP Canadian Pacific Kansas City | 0.62% | 63,000 | $5.6M | New |
| AXSM Axsome Therapeutics Inc. | 0.61% | 68,000 | $5.4M | Add +1.9% |
| ENPH Enphase Energy Inc. | 0.60% | 44,000 | $5.3M | New |
| XENE Xenon Pharmaceuticals Inc. | 0.59% | 122,000 | $5.3M | Add +30.9% |
| IMVT Immunovant Inc. | 0.58% | 160,000 | $5.2M | Add +33.3% |
| DYN Dyne Therapeutics Inc. | 0.56% | 175,000 | $5.0M | New |
| FUSN Fusion Pharmaceuticals Inc. | 0.56% | 233,000 | $5.0M | Add +78.7% |
| RBLX Roblox Corp. Class A | 0.56% | 130,000 | $5.0M | Reduce -23.5% |
| CYTK Cytokinetics Inc. | 0.55% | 70,000 | $4.9M | Add +37.3% |
| TOST Toast Inc. Class A | 0.50% | 180,000 | $4.5M | New |
| KYMR Kymera Therapeutics Inc. | 0.46% | 102,000 | $4.1M | New |
| OSCR Oscar Health Inc. Class A | 0.42% | 254,232 | $3.8M | New |
| TBBB BBB Foods Inc. Class A | 0.41% | 154,000 | $3.7M | New |
| CRSP Crispr Therapeutics AG | 0.37% | 48,000 | $3.3M | New |
| BECN Beacon Roofing Supply Inc. | 0.33% | 30,000 | $2.9M | New |
| FTNT Fortinet Inc. | 0.32% | 42,000 | $2.9M | New |
| TAST Carrols Restaurant Group Inc. | 0.31% | 288,000 | $2.7M | New |
| HCP Hashicorp Inc. Class A | 0.29% | 95,000 | $2.6M | New |
| JANX Janux Therapeutics Inc. | 0.27% | 64,500 | $2.4M | New |
| BHVN Biohaven Ltd. | 0.23% | 37,500 | $2.1M | New |
| LYV Live Nation Entertainment Inc. | 0.20% | 17,000 | $1.8M | New |
| SILK Silk Road Medical Inc. filed as SILK RD MED INC | 0.17% | 81,936 | $1.5M | New |
| ABVX Abivax SA-ADR | 0.08% | 49,993 | $715K | New |
Options reported separately and not counted above: IWL calls ($73.6M), ESTA puts ($12.3M), EXAS calls ($11.0M), SPHR calls ($9.8M), TSLA puts ($5.8M), BBIO calls ($5.3M), MPT puts ($2.8M), CABA calls ($1.7M), CALY calls ($1.1M).
Portfolio Sells Q4 2023 → Q1 2024
| AMD Advanced Micro Devices | Reduce -71.4% | 1.34% | −3.50 |
| FWONK Liberty Media Corp. Class C | Sold out | 0.00% | −1.97 |
| ADBE Adobe Inc. | Reduce -43.8% | 1.02% | −1.70 |
| PDD PDD Holdings Inc. | Sold out | 0.00% | −1.66 |
| META Meta Platforms Inc. Class A | Reduce -44.6% | 2.23% | −1.49 |
| MELI MercadoLibre Inc. | Reduce -11.4% | 2.63% | −1.28 |
| ASML ASML Holding NV-NY Reg SHS | Sold out | 0.00% | −1.24 |
| BMRN Biomarin Pharmaceutical Inc. | Sold out | 0.00% | −1.17 |
| PWR Quanta Services Inc. | Reduce -42.0% | 1.37% | −1.12 |
| POOL Pool Corp. | Sold out | 0.00% | −1.11 |
| BATRK Atlanta Braves Holdings in-C | Sold out | 0.00% | −1.07 |
| AVY Avery Dennison Corp. | Sold out | 0.00% | −1.02 |
| PACB Pacific Biosciences of Calif | Sold out | 0.00% | −0.96 |
| KRTX Karuna Therapeutics Inc. | Sold out | 0.00% | −0.90 |
| KBR KBR Inc. | Sold out | 0.00% | −0.90 |
| BILL Bill Holdings Inc. | Sold out | 0.00% | −0.89 |
| SHW The Sherwin-Williams Co. | Reduce -26.3% | 1.64% | −0.89 |
| SPHR Sphere Entertainment Co. | Sold out | 0.00% | −0.85 |
| ACHC Acadia Healthcare Co. Inc. | Sold out | 0.00% | −0.83 |
| ANET Arista Networks Inc. | Reduce -31.5% | 1.57% | −0.79 |
| MYRG MYR Group Inc./Delaware | Sold out | 0.00% | −0.72 |
| CALX Calix Inc. | Sold out | 0.00% | −0.71 |
| DJT Trump Media & Technology Gro | Sold out | 0.00% | −0.62 |
| ROIV Roivant Sciences Ltd. | Reduce -27.7% | 0.63% | −0.55 |
| RBLX Roblox Corp. Class A | Reduce -23.5% | 0.56% | −0.55 |
| MLM Martin Marietta Materials | Reduce -19.1% | 1.89% | −0.52 |
| ARKG ARK Genomic Revolution ETF | Sold out | 0.00% | −0.51 |
| CBAY Cymabay Therapeutics Inc. | Sold out | 0.00% | −0.49 |
| DBRG Digitalbridge Group Inc. | Sold out | 0.00% | −0.46 |
| DUOL Duolingo | Reduce -7.1% | 0.96% | −0.39 |
| SDRL Seadrill Limited | Reduce -16.1% | 0.65% | −0.27 |
| AKRO Akero Therapeutics Inc. | Sold out | 0.00% | −0.27 |
| ADPT Adaptive Biotechnologies | Sold out | 0.00% | −0.23 |
| FERG Ferguson Jersey Ltd. | Reduce -14.6% | 0.72% | −0.22 |
| RXST Rxsight Inc. | Reduce -6.8% | 2.40% | −0.15 |
| SNDX Syndax Pharmaceuticals Inc. | Sold out | 0.00% | −0.12 |
| VRDN Viridian Therapeutics Inc. | Sold out | 0.00% | −0.12 |
| ABNB Airbnb Inc. Class A | Reduce -2.6% | 1.41% | −0.10 |
| BWXT BWX Technologies Inc. | Reduce -8.5% | 1.74% | −0.06 |
| BBIO Bridgebio Pharma Inc. | Sold out | 0.00% | −0.05 |
| CELH Celsius Holdings Inc. | Reduce -14.3% | 1.12% | +0.03 |
| LLY Eli Lilly & Co. | Reduce -3.2% | 2.62% | +0.05 |
| VRT Vertiv Holdings Co. Class A | Reduce -6.8% | 3.29% | +0.66 |
Portfolio Buys Q4 2023 → Q1 2024
| NVDA Nvidia Corp. | Add +133.3% | 4.26% | +2.99 |
| FCX Freeport-McMoran Inc. | New | 1.69% | +1.69 |
| MRK Merck & Co. Inc. | New | 1.69% | +1.69 |
| NET Cloudflare Inc. Class A | New | 1.58% | +1.58 |
| NVO Novo-Nordisk A/S-Spons ADR | New | 1.45% | +1.45 |
| SWAV Shockwave Medical Inc. | Add +12.8% | 4.18% | +1.43 |
| GE General Electric | New | 1.42% | +1.42 |
| VST Vistra Corp. | New | 1.39% | +1.39 |
| CYBR Cyberark Software Ltd./Israel | New | 1.34% | +1.34 |
| MNDY Monday.com Ltd. | Add +350.0% | 1.60% | +1.22 |
| DASH DoorDash Inc. Class A | New | 1.16% | +1.16 |
| ALPN Alpine Immune Sciences Inc. | New | 1.14% | +1.14 |
| AMZN Amazon.com Inc. | Add +76.0% | 2.81% | +1.11 |
| REGN Regeneron Pharmaceuticals | New | 0.95% | +0.95 |
| CRWD CrowdStrike Holdings Inc. Class A | New | 0.88% | +0.88 |
| ELF Elf Beauty Inc. | New | 0.88% | +0.88 |
| IMNM Immunome Inc. | New | 0.87% | +0.87 |
| ASND Ascendis Pharma A/S | New | 0.82% | +0.82 |
| COHR Coherent Corp. | New | 0.82% | +0.82 |
| MRVL Marvell Technology Inc. | New | 0.80% | +0.80 |
| RH RH | New | 0.68% | +0.68 |
| ELAN Elanco Animal Health Inc. | Add +754.4% | 0.78% | +0.67 |
| CP Canadian Pacific Kansas City | New | 0.62% | +0.62 |
| ENPH Enphase Energy Inc. | New | 0.60% | +0.60 |
| DYN Dyne Therapeutics Inc. | New | 0.56% | +0.56 |
| CNM Core & Main Inc. Class A | Add +31.5% | 1.69% | +0.54 |
| TOST Toast Inc. Class A | New | 0.50% | +0.50 |
| KYMR Kymera Therapeutics Inc. | New | 0.46% | +0.46 |
| GKOS Glaukos Corp. | Add +40.0% | 1.85% | +0.44 |
| OSCR Oscar Health Inc. Class A | New | 0.42% | +0.42 |
| TBBB BBB Foods Inc. Class A | New | 0.41% | +0.41 |
| APPF Appfolio Inc. Class A | Add +13.1% | 1.91% | +0.41 |
| EXAS Exact Sciences Corp. | Add +76.2% | 1.67% | +0.38 |
| FUSN Fusion Pharmaceuticals Inc. | Add +78.7% | 0.56% | +0.38 |
| CRSP Crispr Therapeutics AG | New | 0.37% | +0.37 |
| MSFT Microsoft Corp. | Add +23.6% | 4.08% | +0.34 |
| BECN Beacon Roofing Supply Inc. | New | 0.33% | +0.33 |
| FTNT Fortinet Inc. | New | 0.32% | +0.32 |
| TAST Carrols Restaurant Group Inc. | New | 0.31% | +0.31 |
| HCP Hashicorp Inc. Class A | New | 0.29% | +0.29 |
| JANX Janux Therapeutics Inc. | New | 0.27% | +0.27 |
| BHVN Biohaven Ltd. | New | 0.23% | +0.23 |
| LYV Live Nation Entertainment Inc. | New | 0.20% | +0.20 |
| SILK Silk Road Medical Inc. | New | 0.17% | +0.17 |
| ABVX Abivax SA-ADR | New | 0.08% | +0.08 |
| XENE Xenon Pharmaceuticals Inc. | Add +30.9% | 0.59% | −0.02 |
| NBIX Neurocrine Biosciences Inc. | Add +16.0% | 0.90% | −0.04 |
| CYTK Cytokinetics Inc. | Add +37.3% | 0.55% | −0.05 |
| ISRG Intuitive Surgical Inc. | Add +3.8% | 2.44% | −0.08 |
| IMVT Immunovant Inc. | Add +33.3% | 0.58% | −0.14 |
Options Activity Q4 2023 → Q1 2024
| IWL iShares Russell Top 200 ETF | call | New | 3,500 | $73.6M |
| FIVN FIVE9 Inc. | call | Sold out | 1,815 | $14.3Mbefore exit |
| AMD Advanced Micro Devices | call | Sold out | 790 | $11.6Mbefore exit |
| EXAS Exact Sciences Corp. | call | New | 1,600 | $11.0M |
| SPHR Sphere Entertainment Co. | call | New | 2,000 | $9.8M |
| TSLA Tesla Inc. | put | New | 330 | $5.8M |
| BBIO Bridgebio Pharma Inc. | call | New | 1,720 | $5.3M |
| CYTK Cytokinetics Inc. | call | Sold out | 497 | $4.1Mbefore exit |
| ROIV Roivant Sciences Ltd. | call | Sold out | 3,000 | $3.4Mbefore exit |
| CABA Cabaletta Bio Inc. | call | New | 1,000 | $1.7M |
| CALY Callaway Golf Company | call | New | 701 | $1.1M |
| AI C3.AI Inc. Class A | put | Sold out | 250 | $718Kbefore 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 |