Total reported value
$796.4M
Reporting period: 2026-03-31 · Number of holdings: 180
Atika Capital Management LLC disclosed 180 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $796.4M and a quarterly turnover rate of 74.2%.
Browse other institutions with $100M to $1B AUMBrowse other institutions starting with "A"
Add VRT
+4.7% $63.9M
Trim XBI
-56.1% -$63.4M
Add NFLX
+0.9% $16.3M
Trim TEVA
-33.8% -$17.4M
Add STX
+3.1% $6.7M
Add 430
-6.4% $6.6M
Showing top 56 holdings (of 180 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 26.27% | +10.11% | +4.72% | |
| 2 | LLY | Eli Lilly & Co | Stock-Healthcare | 5.95% | +0.10% | — | |
| 3 | ISRG | Intuitive Surgical INC | Stock-Healthcare | 4.15% | -0.10% | — | |
| 4 | ECHO | Echostar Corp-a | Stock-Comm Services | 3.38% | -0.99% | +42.55% | |
| 5 | STX | Seagate Technology Holdings plc | Stock-Tech | 3.30% | +1.13% | +3.07% | |
| 6 | MTZ | Mastec INC | Stock-Industrials | 2.92% | +1.05% | +2.93% | |
| 7 | NFLX | Netflix INC | Stock-Comm Services | 2.75% | +2.39% | +0.92% | |
| 8 | CIEN | Ciena CORP | Stock-Tech | 2.67% | — | -27.25% | |
| 9 | BWXT | Bwx Technologies INC | Stock-Industrials | 2.66% | — | -24.20% | |
| 10 | 430 | Terns Pharmaceuticals INC | Stock-Other | 2.50% | +1.09% | -6.37% | |
| 11 | TEVA | Teva Pharmaceutical-sp Adr | Stock-Healthcare | 2.26% | -1.54% | -33.75% | |
| 12 | NET | Cloudflare INC - Class A | Stock-Tech | 2.11% | — | +18.40% | |
| 13 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 1.95% | — | +2.49% | |
| 14 | COGT | Cogent Biosciences INC | Stock-Other | 1.78% | -0.47% | -42.06% | |
| 15 | ORKA | Oruka Therapeutics INC | Stock-Other | 1.78% | +1.42% | NEW | |
| 16 | DNTH | Dianthus Therapeutics INC | Stock-Other | 1.70% | +0.78% | -4.26% | |
| 17 | WDC | Western Digital CORP | Stock-Tech | 1.61% | +1.28% | NEW | |
| 18 | AMZN | Amazon.com INC | Stock-Consumer Disc | 1.43% | -0.80% | -45.38% | |
| 19 | TTMI | Ttm Technologies | Stock-Tech | 1.43% | — | -8.35% | |
| 20 | FIVE | Five Below | Stock-Consumer Disc | 1.42% | — | -29.75% | |
| 21 | CW | Curtiss-wright CORP | Stock-Industrials | 1.39% | — | +31.55% | |
| 22 | GH | Guardant Health INC | Stock-Healthcare | 1.32% | — | -15.74% | |
| 23 | MELI | Mercadolibre INC | Stock-Consumer Disc | 1.23% | -0.28% | -24.16% | |
| 24 | APPF | Appfolio INC - A | Stock-Tech | 1.18% | — | +6.74% | |
| 25 | GDX | Vaneck Gold Miners ETF | ETF-Commodities | 1.18% | +2.65% | NEW | |
| 26 | UTHR | United Therapeutics CORP | Stock-Healthcare | 1.15% | +0.92% | NEW | |
| 27 | KRMN | Karman Holdings INC | Stock-Industrials | 1.14% | +0.91% | NEW | |
| 28 | FERG | Ferguson Enterprises INC | Stock-Industrials | 1.08% | — | — | |
| 29 | PTGX | Protagonist Therapeutics INC | Stock-Other | 1.03% | — | -27.79% | |
| 30 | CLH | Clean Harbors INC | Stock-Industrials | 0.99% | +0.72% | +628.50% | |
| 31 | TLN | Talen Energy CORP | Stock-Utilities | 0.93% | -0.92% | -56.08% | |
| 32 | IMNM | Immunome INC | Stock-Other | 0.91% | — | -21.37% | |
| 33 | META | Meta Platforms Inc-class A | Stock-Comm Services | 0.90% | +0.72% | NEW | |
| 34 | DBVT | Dbv Technologies Sa-spon Adr | Stock-Other | 0.89% | — | +31.14% | |
| 35 | RKLB | Rocket Lab CORP | Stock-Industrials | 0.87% | — | +38.45% | |
| 36 | HEI | Heico CORP | Stock-Industrials | 0.83% | — | -26.75% | |
| 37 | QXO | Qxo INC | Stock-Industrials | 0.81% | — | -37.08% | |
| 38 | SITM | Sitime CORP | Stock-Tech | 0.80% | +0.64% | NEW | |
| 39 | GE | General Electric | Stock-Industrials | 0.69% | — | -40.23% | |
| 40 | ASND | Ascendis Pharma A/S | Stock-Other | 0.69% | — | -7.35% | |
| 41 | REAL | Realreal Inc/the | Stock-Other | 0.64% | -0.43% | -20.17% | |
| 42 | LASR | Nlight INC | Stock-Other | 0.59% | — | — | |
| 43 | XENE | Xenon Pharmaceuticals INC | Stock-Other | 0.55% | — | -35.25% | |
| 44 | TBBB | BBB Foods Inc. | Stock-Other | 0.53% | — | -33.08% | |
| 45 | MAZE | Maze Therapeutics INC | Stock-Other | 0.52% | — | — | |
| 46 | ABVX | Abivax Sa-adr | Stock-Other | 0.50% | -0.38% | -47.64% | |
| 47 | ACHC | Acadia Healthcare Co INC | Stock-Other | 0.45% | — | — | |
| 48 | WRBY | Warby Parker Inc-class A | Stock-Other | 0.45% | — | -45.78% | |
| 49 | KRYS | Krystal Biotech INC | Stock-Healthcare | 0.43% | — | — | |
| 50 | BBIO | Bridgebio Pharma INC | Stock-Healthcare | 0.41% | — | — |
Performance for Q3 2026
-8.8%
Performance Last 4 Quarters
+19.8%
Based on 76% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 180 | $796.4M | 74 | |
| 2025-12-31 | 231 | $949.8M | 100 | |
| 2025-09-30 | 258 | $1.2B | 74 | |
| 2025-06-30 | 189 | $1.0B | 0 | |
| 2025-03-31 | 186 | $711.1M | 100 | |
| 2024-12-31 | 252 | $941.4M | 0 | |
| 2024-09-30 | 252 | $975.4M | 0 | |
| 2024-06-30 | 273 | $1.0B | 0 | |
| 2024-03-31 | 264 | $1.0B | 0 | |
| 2023-12-31 | 228 | $746.8M | 0 | |
| 2023-09-30 | 225 | $761.9M | 0 | |
| 2023-06-30 | 248 | $999.0M | 0 | |
| 2023-03-31 | 231 | $677.1M | 0 | |
| 2022-12-31 | 195 | $695.5M | 0 | |
| 2022-09-30 | 272 | $1.2B | 0 | |
| 2022-06-30 | 228 | $889.6M | 0 | |
| 2022-03-31 | 210 | $1.2B | 0 | |
| 2021-12-31 | 264 | $1.4B | 0 | |
| 2021-09-30 | 342 | $1.7B | 0 | |
| 2021-06-30 | 285 | $1.3B | 95 | |
| 2021-03-31 | 270 | $1.2B | 73 | |
| 2020-12-31 | 327 | $1.3B | 87 | |
| 2020-09-30 | 318 | $1.2B | 75 | |
| 2020-06-30 | 282 | $773.8M | 70 | |
| 2020-03-31 | 252 | $521.8M | 80 | |
| 2019-12-31 | 228 | $517.9M | 70 | |
| 2019-09-30 | 146 | $475.0M | 53 | |
| 2019-06-30 | 154 | $509.1M | 75 | |
| 2019-03-31 | 143 | $492.2M | 82 | |
| 2018-12-31 | 140 | $339.7M | 81 | |
| 2018-09-30 | 172 | $557.6M | 72 | |
| 2018-06-30 | 176 | $520.1M | 97 | |
| 2018-03-31 | 140 | $291.9M | 77 | |
| 2017-12-31 | 130 | $258.7M | 82 | |
| 2017-09-30 | 158 | $348.1M | 67 | |
| 2017-06-30 | 152 | $285.4M | 94 | |
| 2017-03-31 | 124 | $204.3M | 88 | |
| 2016-12-31 | 108 | $168.0M | 100 | |
| 2016-09-30 | 132 | $244.9M | 100 | |
| 2016-06-30 | 120 | $233.4M | 100 | |
| 2016-03-31 | 88 | $165.4M | 100 | |
| 2015-12-31 | 112 | $194.3M | 100 | |
| 2015-09-30 | 114 | $203.9M | 92 | |
| 2015-06-30 | 132 | $222.1M | 91 | |
| 2015-03-31 | 122 | $149.8M | 91 | |
| 2014-12-31 | 138 | $136.8M | 69 | |
| 2014-09-30 | 66 | $130.1M | 91 | |
| 2014-06-30 | 64 | $123.0M | 100 | |
| 2014-03-31 | 61 | $117.5M | 90 | |
| 2013-12-31 | 63 | $112.5M | 0 |
Atika Capital Management LLC's most significant position changes for 2026-03-31: New buy: Vaneck Semiconductor ETF (SMH); New buy: Vaneck Gold Miners ETF (GDX); Sold out: Shopify INC - Class A (SHOP); Sold out: Madrigal Pharmaceuticals INC (MDGL); Sold out: Robinhood Markets INC - A (HOOD).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | VRT | Vertiv Holdings Co-a | +10.1% | +4.72% | Add |
| 2 | NFLX | Netflix INC | +2.4% | +0.92% | Add |
| 3 | STX | Seagate Technology Holdings plc | +1.1% | +3.07% | Add |
| 4 | 430 | Terns Pharmaceuticals INC | +1.1% | -6.37% | Trim |
| 5 | MTZ | Mastec INC | +1.1% | +2.93% | Add |
| 6 | DNTH | Dianthus Therapeutics INC | +0.8% | -4.26% | Trim |
| 7 | CLH | Clean Harbors INC | +0.7% | +628.50% | Add |
| 8 | LLY | Eli Lilly & Co | +0.1% | — | Unchanged |
| 9 | ISRG | Intuitive Surgical INC | -0.1% | — | Unchanged |
| 10 | MELI | Mercadolibre INC | -0.3% | -24.16% | Trim |
| 11 | ABVX | Abivax Sa-adr | -0.4% | -47.64% | Trim |
| 12 | REAL | Realreal Inc/the | -0.4% | -20.17% | Trim |
| 13 | COGT | Cogent Biosciences INC | -0.5% | -42.06% | Trim |
| 14 | AMZN | Amazon.com INC | -0.8% | -45.38% | Trim |
| 15 | TLN | Talen Energy CORP | -0.9% | -56.08% | Trim |
| 16 | ECHO | Echostar Corp-a | -1% | +42.55% | Add |
| 17 | TEVA | Teva Pharmaceutical-sp Adr | -1.5% | -33.75% | Trim |
| 18 | XBI | Ss Spdr S&p Biotech ETF | -5.6% | -56.10% | Trim |
| 19 | SMH | Vaneck Semiconductor ETF | — | NEW | New buy |
| 20 | GDX | Vaneck Gold Miners ETF | — | NEW | New buy |
| 21 | SHOP | Shopify INC - Class A | — | EXIT | Sold out |
| 22 | MDGL | Madrigal Pharmaceuticals INC | — | EXIT | Sold out |
| 23 | HOOD | Robinhood Markets INC - A | — | EXIT | Sold out |
| 24 | TSLA | Tesla INC | — | EXIT | Sold out |
| 25 | INSM | Insmed INC | — | EXIT | Sold out |
| 26 | ORKA | Oruka Therapeutics INC | — | NEW | New buy |
| 27 | DASH | Doordash INC - A | — | EXIT | Sold out |
| 28 | WDC | Western Digital CORP | — | NEW | New buy |
| 29 | AXSM | Axsome Therapeutics INC | — | EXIT | Sold out |
| 30 | MDB | Mongodb INC | — | EXIT | Sold out |
| 31 | LMND | Lemonade INC | — | EXIT | Sold out |
| 32 | CSL | Carlisle Cos INC | — | EXIT | Sold out |
| 33 | EMBJ | Embraer Sa-spon Adr | — | EXIT | Sold out |
| 34 | IBIT | Ishares Bitcoin Trust ETF | — | EXIT | Sold out |
| 35 | UTHR | United Therapeutics CORP | — | NEW | New buy |
| 36 | KRMN | Karman Holdings INC | — | NEW | New buy |
| 37 | ROKU | Roku INC | — | EXIT | Sold out |
| 38 | RH | Rh | — | EXIT | Sold out |
| 39 | SN | SharkNinja, Inc. | — | EXIT | Sold out |
| 40 | META | Meta Platforms Inc-class A | — | NEW | New buy |
| 41 | SITM | Sitime CORP | — | NEW | New buy |
| 42 | MDLN | Medline Inc-cl A | — | EXIT | Sold out |
| 43 | FND | Floor & Decor Holdings Inc-a | — | EXIT | Sold out |
| 44 | RIVN | Rivian Automotive Inc-a | — | EXIT | Sold out |
| 45 | FIGR | Figure Technology Solut-cl A | — | EXIT | Sold out |
| 46 | BBWI | Bath & Body Works INC | — | EXIT | Sold out |
| 47 | EEM | Ishares Msci Emerging Market | — | EXIT | Sold out |
| 48 | INTC | Intel CORP | — | NEW | New buy |
| 49 | EOSE | Eos Energy Enterprises INC | — | EXIT | Sold out |
| 50 | ALNY | Alnylam Pharmaceuticals INC | — | EXIT | Sold out |
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