Atika Capital Management
Latest statistics and disclosures from Atika Capital Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are VRT, AMZN, MSFT, SPOT, MLM, and represent 29.48% of Atika Capital Management's stock portfolio.
- Added to shares of these 10 stocks: STX (+$28M), CDTX (+$15M), TSLA (+$14M), INSM (+$14M), NBIS (+$12M), CIEN (+$12M), KVUE (+$9.4M), ROKU (+$8.9M), ASML (+$8.5M), DHI (+$7.5M).
- Started 31 new stock positions in CDTX, GNRC, REAL, MLYS, KMLM, DHI, ZURA, PTGX, RARE, TSLA.
- Reduced shares in these 10 stocks: HOOD (-$14M), SLNO (-$10M), UBER (-$9.3M), GKOS (-$8.7M), TW (-$7.3M), WWD (-$7.0M), MDT (-$6.3M), MELI, TKO, SN.
- Sold out of its positions in HNGE, NOVT, SLNO, TKO, TSM, TW, UBER, Walgreen Boots Alliance, WRBY, WWD. MDT.
- Atika Capital Management was a net buyer of stock by $151M.
- Atika Capital Management has $1.2B in assets under management (AUM), dropping by -87.70%.
- Central Index Key (CIK): 0001599731
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Portfolio Holdings for Atika Capital Management
Atika Capital Management holds 81 positions in its portfolio as reported in the September 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Vertiv Holdings Com Cl A (VRT) | 7.7 | $93M | 613k | 150.86 |
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| Amazon (AMZN) | 7.3 | $87M | 397k | 219.57 |
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| Microsoft Corporation (MSFT) | 7.2 | $86M | +4% | 165k | 517.95 |
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| Spotify Technology S A SHS (SPOT) | 3.7 | $44M | 63k | 698.00 |
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| Martin Marietta Materials (MLM) | 3.6 | $43M | -5% | 69k | 630.28 |
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| Bwx Technologies (BWXT) | 3.4 | $40M | +3% | 217k | 184.37 |
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| Arista Networks Com Shs (ANET) | 2.8 | $34M | -11% | 231k | 145.71 |
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| Eli Lilly & Co. (LLY) | 2.6 | $31M | 41k | 763.00 |
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| Constellation Energy (CEG) | 2.6 | $31M | 95k | 329.07 |
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| Talen Energy Corp (TLN) | 2.5 | $30M | +15% | 69k | 425.38 |
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| Seagate Technology Hldngs Pl Ord Shs (STX) | 2.3 | $28M | NEW | 118k | 236.06 |
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| Ge Vernova (GEV) | 2.2 | $26M | 42k | 614.90 |
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| Meta Platforms Cl A (META) | 2.2 | $26M | -6% | 36k | 734.38 |
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| Intuitive Surgical Com New (ISRG) | 2.1 | $26M | -3% | 57k | 447.23 |
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| Vistra Energy (VST) | 2.0 | $24M | 123k | 195.92 |
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| Cyberark Software SHS (CYBR) | 1.8 | $22M | +15% | 45k | 483.15 |
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| Netflix (NFLX) | 1.8 | $22M | +50% | 18k | 1198.92 |
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| Cloudflare Cl A Com (NET) | 1.8 | $21M | +42% | 98k | 214.59 |
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| Nebius Group Shs Class A (NBIS) | 1.7 | $20M | +158% | 180k | 112.27 |
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| Roblox Corp Cl A (RBLX) | 1.7 | $20M | +30% | 143k | 138.52 |
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| Verona Pharma Sponsored Ads (VRNA) | 1.6 | $19M | -17% | 176k | 106.71 |
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| MercadoLibre (MELI) | 1.6 | $19M | -20% | 7.9k | 2336.94 |
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| Robinhood Mkts Com Cl A (HOOD) | 1.5 | $17M | -44% | 121k | 143.18 |
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| Glaukos (GKOS) | 1.4 | $17M | -33% | 212k | 81.55 |
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| Doordash Cl A (DASH) | 1.4 | $17M | -4% | 63k | 271.99 |
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| Cidara Therapeutics Com New (CDTX) | 1.3 | $15M | NEW | 157k | 95.76 |
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| Inspire Med Sys (INSP) | 1.2 | $14M | +15% | 188k | 74.20 |
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| NVIDIA Corporation (NVDA) | 1.2 | $14M | +25% | 74k | 186.58 |
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| Tesla Motors (TSLA) | 1.2 | $14M | NEW | 31k | 444.72 |
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| Insmed Com Par $.01 (INSM) | 1.1 | $14M | NEW | 95k | 144.01 |
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| Adobe Systems Incorporated (ADBE) | 1.1 | $14M | +73% | 39k | 352.75 |
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| Roku Com Cl A (ROKU) | 1.1 | $13M | +198% | 133k | 100.13 |
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| Appfolio Com Cl A (APPF) | 1.0 | $12M | 45k | 275.66 |
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| Shopify Cl A Sub Vtg Shs (SHOP) | 1.0 | $12M | +13% | 79k | 148.61 |
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| Ciena Corp Com New (CIEN) | 1.0 | $12M | NEW | 80k | 145.67 |
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| Alnylam Pharmaceuticals (ALNY) | 0.8 | $10M | -19% | 22k | 456.00 |
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| Ge Aerospace Com New (GE) | 0.8 | $9.9M | +4% | 33k | 300.82 |
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| Kenvue Call Option (KVUE) | 0.8 | $9.4M | NEW | 5.8k | 1623.00 |
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| National Vision Hldgs (EYE) | 0.7 | $8.8M | -27% | 301k | 29.19 |
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| Asml Holding N V N Y Registry Shs (ASML) | 0.7 | $8.5M | NEW | 8.7k | 968.09 |
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| MasTec (MTZ) | 0.7 | $8.4M | -19% | 40k | 212.81 |
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| Guardant Health (GH) | 0.7 | $8.3M | +49% | 133k | 62.48 |
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| Natera (NTRA) | 0.6 | $7.5M | 47k | 160.97 |
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| D.R. Horton (DHI) | 0.6 | $7.5M | NEW | 44k | 169.47 |
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| Duolingo Cl A Com (DUOL) | 0.6 | $7.1M | +5% | 22k | 321.84 |
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| Five Below (FIVE) | 0.6 | $7.0M | NEW | 46k | 154.70 |
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| Mineralys Therapeutics (MLYS) | 0.6 | $6.6M | NEW | 174k | 37.92 |
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| Ferguson Enterprises Common Stock New (FERG) | 0.6 | $6.6M | 29k | 224.58 |
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| Axsome Therapeutics (AXSM) | 0.5 | $6.0M | +6% | 49k | 121.45 |
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| Abivax Sa Sponsored Ads (ABVX) | 0.5 | $5.9M | NEW | 69k | 84.90 |
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| Echostar Corp Cl A (SATS) | 0.5 | $5.6M | +155% | 73k | 76.36 |
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| Protagonist Therapeutics (PTGX) | 0.5 | $5.5M | NEW | 83k | 66.43 |
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| Calix (CALX) | 0.5 | $5.5M | NEW | 90k | 61.37 |
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| Curtiss-Wright (CW) | 0.5 | $5.5M | -12% | 10k | 542.94 |
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| Uniqure Nv SHS (QURE) | 0.4 | $5.3M | NEW | 90k | 58.37 |
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| Generac Holdings (GNRC) | 0.4 | $5.2M | NEW | 31k | 167.40 |
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| Siriuspoint (SPNT) | 0.4 | $4.7M | -3% | 260k | 18.09 |
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| Kymera Therapeutics (KYMR) | 0.4 | $4.6M | -44% | 81k | 56.60 |
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| Teva Pharmaceutical Inds Sponsored Ads (TEVA) | 0.4 | $4.5M | NEW | 224k | 20.20 |
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| Ascendis Pharma A/s Sponsored Adr (ASND) | 0.4 | $4.4M | +35% | 22k | 198.81 |
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| Bbb Foods Cl A Com (TBBB) | 0.4 | $4.3M | 159k | 26.96 |
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| Kraneshares Trust Mount Lucas Etf Call Option (KMLM) | 0.4 | $4.2M | NEW | 1.0k | 4201.00 |
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| Sharkninja Com Shs (SN) | 0.3 | $4.1M | -53% | 40k | 103.15 |
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| Realreal (REAL) | 0.3 | $4.0M | NEW | 374k | 10.63 |
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| Broadcom (AVGO) | 0.3 | $3.8M | NEW | 12k | 329.91 |
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| Lemonade (LMND) | 0.3 | $3.7M | NEW | 69k | 53.53 |
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| C3 Ai Cl A Put Option (AI) | 0.3 | $3.6M | NEW | 2.1k | 1734.00 |
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| Unity Software (U) | 0.3 | $3.3M | NEW | 81k | 40.04 |
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| Rxsight (RXST) | 0.3 | $3.2M | 355k | 8.99 |
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| Netskope Cl A | 0.2 | $2.6M | NEW | 114k | 22.73 |
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| Heartflow Inc/Sh | 0.2 | $2.3M | NEW | 69k | 33.66 |
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| Floor & Decor Hldgs Cl A (FND) | 0.2 | $2.3M | +10166% | 31k | 73.70 |
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| Figure Technology Solutio Com Cl A | 0.2 | $2.0M | NEW | 54k | 36.37 |
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| Infosys Sponsored Adr Put Option (INFY) | 0.1 | $1.6M | NEW | 1.0k | 1627.00 |
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| Xenon Pharmaceuticals (XENE) | 0.1 | $1.5M | NEW | 38k | 40.15 |
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| Ultragenyx Pharmaceutical Call Option (RARE) | 0.1 | $1.5M | NEW | 500.00 | 3008.00 |
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| Ionis Pharmaceuticals (IONS) | 0.1 | $1.4M | NEW | 22k | 65.42 |
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| Zura Bio Class A Ord Shs (ZURA) | 0.1 | $1.2M | NEW | 276k | 4.33 |
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| International Business Machines (IBM) | 0.1 | $764k | NEW | 2.7k | 282.16 |
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| Caris Life Sciences (CAI) | 0.1 | $756k | 25k | 30.25 |
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| Staar Surgical Com Par $0.01 (STAA) | 0.0 | $441k | 16k | 26.87 |
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Past Filings by Atika Capital Management
SEC 13F filings are viewable for Atika Capital Management going back to 2013
- Atika Capital Management 2025 Q3 filed Nov. 13, 2025
- Atika Capital Management 2025 Q2 filed Aug. 13, 2025
- Atika Capital Management 2025 Q1 filed May 14, 2025
- Atika Capital Management 2024 Q4 filed Feb. 13, 2025
- Atika Capital Management 2024 Q3 filed Nov. 13, 2024
- Atika Capital Management 2024 Q2 filed Aug. 13, 2024
- Atika Capital Management 2024 Q1 filed May 14, 2024
- Atika Capital Management 2023 Q3 filed Nov. 13, 2023
- Atika Capital Management 2023 Q2 filed Aug. 11, 2023
- Atika Capital Management 2023 Q1 filed May 12, 2023
- Atika Capital Management 2022 Q4 filed Feb. 13, 2023
- Atika Capital Management 2022 Q3 filed Nov. 14, 2022
- Atika Capital Management 2022 Q2 filed Aug. 12, 2022
- Atika Capital Management 2022 Q1 filed May 13, 2022
- Atika Capital Management 2021 Q4 filed Feb. 11, 2022
- Atika Capital Management 2021 Q3 filed Nov. 12, 2021