Atika Capital Management LLC
Securities ▲▼ | Shares | Value ($K) | ||||
|---|---|---|---|---|---|---|
Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | |
| VERTIV HOLDINGS CO | 636,100 | 666,100 | +30,000 | 103,054,560 | 166,911,338 | +63,856,778 |
| VANECK ETF TRUST(Put) | 0 | 720 | +720 | 0 | 27,604,800 | +27,604,800 |
| NETFLIX INC.(Call) | 0 | 1,650 | +1,650 | 0 | 15,864,750 | +15,864,750 |
| VANECK ETF TRUST(Call) | 0 | 1,500 | +1,500 | 0 | 13,765,500 | +13,765,500 |
| ORUKA THERAPEUTICS INC | 0 | 229,900 | +229,900 | 0 | 11,276,595 | +11,276,595 |
| WESTERN DIGITAL CORP | 0 | 37,717 | +37,717 | 0 | 10,202,072 | +10,202,072 |
| ECHOSTAR CORP | 124,806 | 182,000 | +57,194 | 13,566,412 | 21,306,740 | +7,740,328 |
| VANECK ETF TRUST | 0 | 80,000 | +80,000 | 0 | 7,341,600 | +7,341,600 |
| UNITED THERAPEUTICS CORP DEL | 0 | 12,350 | +12,350 | 0 | 7,323,304 | +7,323,304 |
| KARMAN HLDGS INC | 0 | 90,500 | +90,500 | 0 | 7,244,526 | +7,244,526 |
| SEAGATE TECHNOLOGY HLDNGS PL | 51,907 | 53,500 | +1,593 | 14,294,669 | 20,959,160 | +6,664,491 |
| MASTEC INC | 55,998 | 57,636 | +1,638 | 12,172,285 | 18,543,806 | +6,371,521 |
| META PLATFORMS INC | 0 | 10,000 | +10,000 | 0 | 5,721,300 | +5,721,300 |
| CLEAN HARBORS INC | 3,000 | 21,855 | +18,855 | 703,440 | 6,266,484 | +5,563,044 |
| DIANTHUS THERAPEUTICS INC | 134,528 | 128,800 | -5,728 | 5,543,899 | 10,808,896 | +5,264,997 |
| SITIME CORP | 0 | 14,805 | +14,805 | 0 | 5,112,907 | +5,112,907 |
| INTEL CORP(Call) | 0 | 1,000 | +1,000 | 0 | 4,413,000 | +4,413,000 |
| TERNS PHARMACEUTICALS INC(Call) | 0 | 720 | +720 | 0 | 3,795,840 | +3,795,840 |
| NLIGHT INC | 0 | 66,000 | +66,000 | 0 | 3,763,320 | +3,763,320 |
| CURTISS WRIGHT CORP | 9,882 | 13,000 | +3,118 | 5,447,651 | 8,854,560 | +3,406,909 |
| MAZE THERAPEUTICS INC | 0 | 111,500 | +111,500 | 0 | 3,328,276 | +3,328,276 |
| CIENA CORP | 60,000 | 43,651 | -16,349 | 14,032,201 | 16,946,628 | +2,914,427 |
| ACADIA HEALTHCARE COMPANY IN | 0 | 122,600 | +122,600 | 0 | 2,867,613 | +2,867,613 |
| TERNS PHARMACEUTICALS INC | 321,165 | 300,000 | -21,165 | 12,975,066 | 15,816,000 | +2,840,934 |
| KRYSTAL BIOTECH INC | 0 | 10,625 | +10,625 | 0 | 2,744,650 | +2,744,650 |
| BRIDGEBIO PHARMA INC | 0 | 35,200 | +35,200 | 0 | 2,613,952 | +2,613,952 |
| CLOUDFLARE INC | 54,900 | 65,000 | +10,100 | 10,823,535 | 13,412,100 | +2,588,565 |
| ISHARES TR(Put) | 910 | 1,000 | +90 | 22,400,560 | 24,800,000 | +2,399,440 |
| HUT 8 CORP | 0 | 49,300 | +49,300 | 0 | 2,312,663 | +2,312,663 |
| HEICO CORP NEW | 0 | 10,575 | +10,575 | 0 | 2,232,277 | +2,232,277 |
| TTM TECHNOLOGIES INC | 101,473 | 93,000 | -8,473 | 7,001,637 | 9,060,060 | +2,058,423 |
| DBV TECHNOLOGIES S A | 206,881 | 271,300 | +64,419 | 3,965,909 | 5,667,456 | +1,701,547 |
| ROCKET LAB CORP | 62,115 | 86,000 | +23,885 | 4,333,142 | 5,522,920 | +1,189,778 |
| NETFLIX INC. | 180,000 | 180,000 | 0 | 16,876,800 | 17,307,001 | +430,201 |
| FERGUSON ENTERPRISES INC | 29,300 | 29,300 | 0 | 6,523,059 | 6,834,518 | +311,459 |
| ASCENDIS PHARMA A/S | 20,642 | 19,125 | -1,517 | 4,401,700 | 4,374,461 | -27,239 |
| REDDIT INC | 2,000 | 0 | -2,000 | 459,740 | 0 | -459,740 |
| XENON PHARMACEUTICALS INC | 92,506 | 59,900 | -32,606 | 4,146,119 | 3,483,185 | -662,934 |
| ALPHABET INC | 42,200 | 43,250 | +1,050 | 13,242,360 | 12,406,695 | -835,665 |
| PROTAGONIST THERAPEUTICS INC | 86,000 | 62,100 | -23,900 | 7,511,240 | 6,545,339 | -965,901 |
| CIDARA THERAPEUTICS INC(Call) | 49 | 0 | -49 | 1,082,361 | 0 | -1,082,361 |
| BBB FOODS INC | 142,282 | 95,218 | -47,064 | 4,750,796 | 3,367,861 | -1,382,935 |
| IMMUNOME INC | 334,341 | 262,900 | -71,441 | 7,181,644 | 5,749,623 | -1,432,021 |
| FIVE BELOW INC | 56,200 | 39,480 | -16,720 | 10,585,832 | 9,020,390 | -1,565,442 |
| CECO ENVIRONMENTAL CORP | 29,804 | 0 | -29,804 | 1,783,769 | 0 | -1,783,769 |
| BWX TECHNOLOGIES INC | 108,900 | 82,550 | -26,350 | 18,822,276 | 16,880,650 | -1,941,626 |
| UNITY SOFTWARE INC(Call) | 500 | 0 | -500 | 2,208,500 | 0 | -2,208,500 |
| MODERNA INC(Put) | 760 | 0 | -760 | 2,241,240 | 0 | -2,241,240 |
| ROCKET COS INC | 130,000 | 0 | -130,000 | 2,516,800 | 0 | -2,516,800 |
| WARBY PARKER INC | 248,971 | 135,000 | -113,971 | 5,425,078 | 2,844,450 | -2,580,628 |
| GUARDANT HEALTH INC | 108,000 | 91,000 | -17,000 | 11,031,120 | 8,405,670 | -2,625,450 |
| APPFOLIO INC | 44,500 | 47,500 | +3,000 | 10,352,925 | 7,496,450 | -2,856,475 |
| QXO INC | 420,000 | 264,253 | -155,747 | 8,101,801 | 5,131,794 | -2,970,007 |
| APPLIED OPTOELECTRONICS INC | 87,657 | 0 | -87,657 | 3,055,722 | 0 | -3,055,722 |
| RAPT THERAPEUTICS INC | 94,245 | 0 | -94,245 | 3,192,078 | 0 | -3,192,078 |
| HEICO CORP NEW | 26,300 | 19,265 | -7,035 | 8,510,417 | 5,282,464 | -3,227,953 |
| GE AEROSPACE | 25,948 | 15,510 | -10,438 | 7,992,763 | 4,401,273 | -3,591,490 |
| ABERCROMBIE & FITCH CO | 29,000 | 0 | -29,000 | 3,650,230 | 0 | -3,650,230 |
| IONIS PHARMACEUTICALS INC | 47,488 | 0 | -47,488 | 3,756,776 | 0 | -3,756,776 |
| KINIKSA PHARMACEUTICALS | 93,970 | 0 | -93,970 | 3,876,263 | 0 | -3,876,263 |
| ALNYLAM PHARMACEUTICALS INC | 10,339 | 0 | -10,339 | 4,111,303 | 0 | -4,111,303 |
| MERCADOLIBRE INC | 5,947 | 4,510 | -1,437 | 11,978,805 | 7,797,881 | -4,180,924 |
| ABIVAX SA | 55,000 | 28,800 | -26,200 | 7,417,025 | 3,206,880 | -4,210,145 |
| EOS ENERGY ENTERPRISES INC(Call) | 3,720 | 0 | -3,720 | 4,263,120 | 0 | -4,263,120 |
| ISHARES TR(Call) | 816 | 0 | -816 | 4,464,336 | 0 | -4,464,336 |
| BATH & BODY WORKS INC | 225,000 | 0 | -225,000 | 4,518,000 | 0 | -4,518,000 |
| FIGURE TECHNOLOGY SOLUTIO | 111,447 | 0 | -111,447 | 4,551,495 | 0 | -4,551,495 |
| RIVIAN AUTOMOTIVE INC(Call) | 2,420 | 0 | -2,420 | 4,769,820 | 0 | -4,769,820 |
| THE REALREAL INC | 565,000 | 451,055 | -113,945 | 8,915,699 | 4,095,579 | -4,820,120 |
| FLOOR & DECOR HLDGS INC(Call) | 800 | 0 | -800 | 4,871,200 | 0 | -4,871,200 |
| MEDLINE INC | 117,800 | 0 | -117,800 | 4,947,600 | 0 | -4,947,600 |
| ROBINHOOD MKTS INC | 51,500 | 0 | -51,500 | 5,824,650 | 0 | -5,824,650 |
| SHARKNINJA INC | 52,600 | 0 | -52,600 | 5,885,940 | 0 | -5,885,940 |
| INTUITIVE SURGICAL INC | 57,216 | 57,216 | 0 | 32,404,853 | 26,376,003 | -6,028,850 |
| RH | 35,000 | 0 | -35,000 | 6,270,250 | 0 | -6,270,250 |
| ELI LILLY & CO | 41,100 | 41,100 | 0 | 44,169,348 | 37,802,547 | -6,366,801 |
| ROKU INC | 61,000 | 0 | -61,000 | 6,617,890 | 0 | -6,617,890 |
| COGENT BIOSCIENCES INC | 506,000 | 293,200 | -212,800 | 17,973,119 | 11,285,268 | -6,687,851 |
| ISHARES BITCOIN TRUST ETF(Put) | 1,500 | 0 | -1,500 | 7,447,500 | 0 | -7,447,500 |
| EMBRAER S.A. | 115,930 | 0 | -115,930 | 7,462,414 | 0 | -7,462,414 |
| ROBINHOOD MKTS INC(Put) | 700 | 0 | -700 | 7,917,000 | 0 | -7,917,000 |
| TEVA PHARMACEUTICAL INDS LTD | 717,000 | 477,000 | -240,000 | 22,377,569 | 14,367,240 | -8,010,329 |
| CARLISLE COS INC | 25,300 | 0 | -25,300 | 8,092,458 | 0 | -8,092,458 |
| LEMONADE INC | 113,917 | 0 | -113,917 | 8,108,612 | 0 | -8,108,612 |
| TEVA PHARMACEUTICAL INDS(Call) | 3,000 | 0 | -3,000 | 9,363,000 | 0 | -9,363,000 |
| AMAZON COM INC | 80,000 | 43,700 | -36,300 | 18,465,600 | 9,101,400 | -9,364,200 |
| MONGODB INC | 22,326 | 0 | -22,326 | 9,369,999 | 0 | -9,369,999 |
| TALEN ENERGY CORP | 42,100 | 18,490 | -23,610 | 15,780,764 | 5,902,563 | -9,878,201 |
| AXSOME THERAPEUTICS INC | 55,500 | 0 | -55,500 | 10,136,520 | 0 | -10,136,520 |
| DOORDASH INC | 46,000 | 0 | -46,000 | 10,418,080 | 0 | -10,418,080 |
| INSMED INC | 77,200 | 0 | -77,200 | 13,435,888 | 0 | -13,435,888 |
| TESLA INC | 30,000 | 0 | -30,000 | 13,491,600 | 0 | -13,491,600 |
| MADRIGAL PHARMACEUTICALS | 34,000 | 0 | -34,000 | 19,799,560 | 0 | -19,799,560 |
| SHOPIFY INC | 124,000 | 0 | -124,000 | 19,960,280 | 0 | -19,960,280 |
| ECHOSTAR CORP(Call) | 3,983 | 1,583 | -2,400 | 43,295,210 | 18,532,181 | -24,763,029 |
| SPDR SERIES TRUST(Put) | 9,625 | 4,225 | -5,400 | 117,357,625 | 53,965,925 | -63,391,700 |