Atika Capital Management LLC Hedge Fund

Location: NEW YORK, NY

CIK: 0001599731 · Show all filings

Period: Q1 2026 (← Previous)

Filing Date: May 14, 2026

Total Value ($000): $796,370 (100.0% shares, 0.0% debt)

Holdings (60)

New Positions (19)

SMH VANECK ETF TRUST 3.5%
Value ($000) $27,605 Shares 720 Est. Cost Unrealized
NFLX NETFLIX INC. 2.0%
Value ($000) $15,865 Shares 1,650 Est. Cost $106.64 Unrealized -21.4%
GDX VANECK ETF TRUST 1.7%
Value ($000) $13,766 Shares 1,500 Est. Cost $91.77 Unrealized
ORKA ORUKA THERAPEUTICS INC 1.4%
Value ($000) $11,277 Shares 229,900 Est. Cost $32.45 Unrealized 0.0%
WDC WESTERN DIGITAL CORP 1.3%
Value ($000) $10,202 Shares 37,717 Est. Cost $251.23 Unrealized 0.0%
GDX VANECK ETF TRUST 0.9%
Value ($000) $7,342 Shares 80,000 Est. Cost $91.77 Unrealized
UTHR UNITED THERAPEUTICS CORP DEL 0.9%
Value ($000) $7,323 Shares 12,350 Est. Cost $480.44 Unrealized 0.0%
KRMN KARMAN HLDGS INC 0.9%
Value ($000) $7,245 Shares 90,500 Est. Cost $96.11 Unrealized 0.0%
META META PLATFORMS INC 0.7%
Value ($000) $5,721 Shares 10,000 Est. Cost $655.57 Unrealized 0.0%
SITM SITIME CORP 0.6%
Value ($000) $5,113 Shares 14,805 Est. Cost $377.59 Unrealized 0.0%
INTC INTEL CORP 0.6%
Value ($000) $4,413 Shares 1,000 Est. Cost Unrealized
TERN TERNS PHARMACEUTICALS INC 0.5%
Value ($000) $3,796 Shares 720 Est. Cost $23.11 Unrealized +62.1%
LASR NLIGHT INC 0.5%
Value ($000) $3,763 Shares 66,000 Est. Cost $47.72 Unrealized 0.0%
MAZE MAZE THERAPEUTICS INC 0.4%
Value ($000) $3,328 Shares 111,500 Est. Cost $44.04 Unrealized 0.0%
ACHC ACADIA HEALTHCARE COMPANY IN 0.4%
Value ($000) $2,868 Shares 122,600 Est. Cost $14.53 Unrealized 0.0%
KRYS KRYSTAL BIOTECH INC 0.3%
Value ($000) $2,745 Shares 10,625 Est. Cost $272.40 Unrealized 0.0%
BBIO BRIDGEBIO PHARMA INC 0.3%
Value ($000) $2,614 Shares 35,200 Est. Cost $74.48 Unrealized 0.0%
HUT HUT 8 CORP 0.3%
Value ($000) $2,313 Shares 49,300 Est. Cost $56.58 Unrealized 0.0%
HEI/A HEICO CORP NEW 0.3%
Value ($000) $2,232 Shares 10,575 Est. Cost $259.47 Unrealized 0.0%

Increased Positions (12)

Exited Positions (36)

SHOP SHOPIFY INC 2.5%
Value ($000) $19,960 Shares 124,000 Est. Cost $123.74 Unrealized +10.3%
MDGL MADRIGAL PHARMACEUTICALS 2.5%
Value ($000) $19,800 Shares 34,000 Est. Cost $510.76 Unrealized -3.6%
TSLA TESLA INC 1.7%
Value ($000) $13,492 Shares 30,000 Est. Cost $346.84 Unrealized +22.8%
INSM INSMED INC 1.7%
Value ($000) $13,436 Shares 77,200 Est. Cost $122.51 Unrealized +29.8%
DASH DOORDASH INC 1.3%
Value ($000) $10,418 Shares 46,000 Est. Cost $121.09 Unrealized +62.4%
AXSM AXSOME THERAPEUTICS INC 1.3%
Value ($000) $10,137 Shares 55,500 Est. Cost $100.26 Unrealized +79.8%
MDB MONGODB INC 1.2%
Value ($000) $9,370 Shares 22,326 Est. Cost $363.83 Unrealized +3.4%
TEVA TEVA PHARMACEUTICAL INDS 1.2%
Value ($000) $9,363 Shares 3,000 Est. Cost $27.77 Unrealized
LMND LEMONADE INC 1.0%
Value ($000) $8,109 Shares 113,917 Est. Cost $56.04 Unrealized +34.3%
CSL CARLISLE COS INC 1.0%
Value ($000) $8,092 Shares 25,300 Est. Cost $322.65 Unrealized +15.1%
HOOD ROBINHOOD MKTS INC 1.0%
Value ($000) $7,917 Shares 700 Est. Cost $51.55 Unrealized +85.7%
EMBJ EMBRAER S.A. 0.9%
Value ($000) $7,462 Shares 115,930 Est. Cost $64.37 Unrealized
IBIT ISHARES BITCOIN TRUST ETF 0.9%
Value ($000) $7,448 Shares 1,500 Est. Cost Unrealized
ROKU ROKU INC 0.8%
Value ($000) $6,618 Shares 61,000 Est. Cost $88.13 Unrealized +11.7%
RH RH 0.8%
Value ($000) $6,270 Shares 35,000 Est. Cost $171.01 Unrealized +21.7%
SN SHARKNINJA INC 0.7%
Value ($000) $5,886 Shares 52,600 Est. Cost $89.35 Unrealized +37.3%
HOOD ROBINHOOD MKTS INC 0.7%
Value ($000) $5,825 Shares 51,500 Est. Cost $51.55 Unrealized +85.7%
MDLN MEDLINE INC 0.6%
Value ($000) $4,948 Shares 117,800 Est. Cost $42.23 Unrealized +6.2%
FND FLOOR & DECOR HLDGS INC 0.6%
Value ($000) $4,871 Shares 800 Est. Cost Unrealized
RIVN RIVIAN AUTOMOTIVE INC 0.6%
Value ($000) $4,770 Shares 2,420 Est. Cost Unrealized
FIGR FIGURE TECHNOLOGY SOLUTIO 0.6%
Value ($000) $4,551 Shares 111,447 Est. Cost $39.44 Unrealized +25.2%
BBWI BATH & BODY WORKS INC 0.6%
Value ($000) $4,518 Shares 225,000 Est. Cost $21.72 Unrealized +3.2%
EEM ISHARES TR 0.6%
Value ($000) $4,464 Shares 816 Est. Cost Unrealized
EOSE EOS ENERGY ENTERPRISES INC 0.5%
Value ($000) $4,263 Shares 3,720 Est. Cost Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.5%
Value ($000) $4,111 Shares 10,339 Est. Cost $276.71 Unrealized +27.7%
KNSA KINIKSA PHARMACEUTICALS 0.5%
Value ($000) $3,876 Shares 93,970 Est. Cost $40.11 Unrealized +7.6%
IONS IONIS PHARMACEUTICALS INC 0.5%
Value ($000) $3,757 Shares 47,488 Est. Cost $63.31 Unrealized +29.2%
ANF ABERCROMBIE & FITCH CO 0.5%
Value ($000) $3,650 Shares 29,000 Est. Cost $87.43 Unrealized +17.0%
RAPT RAPT THERAPEUTICS INC 0.4%
Value ($000) $3,192 Shares 94,245 Est. Cost $31.06 Unrealized +62.6%
AAOI APPLIED OPTOELECTRONICS INC 0.4%
Value ($000) $3,056 Shares 87,657 Est. Cost $29.86 Unrealized +40.0%
RKT ROCKET COS INC 0.3%
Value ($000) $2,517 Shares 130,000 Est. Cost $17.88 Unrealized +12.7%
MRNA MODERNA INC 0.3%
Value ($000) $2,241 Shares 760 Est. Cost Unrealized
U UNITY SOFTWARE INC 0.3%
Value ($000) $2,209 Shares 500 Est. Cost Unrealized
CECO CECO ENVIRONMENTAL CORP 0.2%
Value ($000) $1,784 Shares 29,804 Est. Cost $53.49 Unrealized +28.6%
CIDARA THERAPEUTICS INC 0.1%
Value ($000) $1,082 Shares 49 Est. Cost Unrealized
RDDT REDDIT INC 0.1%
Value ($000) $460 Shares 2,000 Est. Cost $210.30 Unrealized -9.8%

Decreased Positions (25)

XBI SPDR SERIES TRUST 6.8%
Value ($000) $53,966 (-54.0%) Shares 4,225 (-56.1%) Est. Cost Unrealized
SATS ECHOSTAR CORP 2.3%
Value ($000) $18,532 (-57.2%) Shares 1,583 (-60.3%) Est. Cost $75.93 Unrealized +53.2%
TLN TALEN ENERGY CORP 0.7%
Value ($000) $5,903 (-62.6%) Shares 18,490 (-56.1%) Est. Cost $169.36 Unrealized +117.4%
AMZN AMAZON COM INC 1.1%
Value ($000) $9,101 (-50.7%) Shares 43,700 (-45.4%) Est. Cost $185.15 Unrealized +22.5%
TEVA TEVA PHARMACEUTICAL INDS LTD 1.8%
Value ($000) $14,367 (-35.8%) Shares 477,000 (-33.5%) Est. Cost $27.77 Unrealized
COGT COGENT BIOSCIENCES INC 1.4%
Value ($000) $11,285 (-37.2%) Shares 293,200 (-42.1%) Est. Cost $28.11 Unrealized +32.9%
DNTH DIANTHUS THERAPEUTICS INC 1.4%
Value ($000) $10,809 (+95.0%) Shares 128,800 (-4.3%) Est. Cost $38.77 Unrealized +22.7%
REAL THE REALREAL INC 0.5%
Value ($000) $4,096 (-54.1%) Shares 451,055 (-20.2%) Est. Cost $9.31 Unrealized +52.9%
ABVX ABIVAX SA 0.4%
Value ($000) $3,207 (-56.8%) Shares 28,800 (-47.6%) Est. Cost $84.90 Unrealized
MELI MERCADOLIBRE INC 1.0%
Value ($000) $7,798 (-34.9%) Shares 4,510 (-24.2%) Est. Cost $1578.07 Unrealized +30.9%
GE GE AEROSPACE 0.6%
Value ($000) $4,401 (-44.9%) Shares 15,510 (-40.2%) Est. Cost $140.49 Unrealized +126.5%
HEI HEICO CORP NEW 0.7%
Value ($000) $5,282 (-37.9%) Shares 19,265 (-26.7%) Est. Cost $315.99 Unrealized +7.3%
QXO QXO INC 0.6%
Value ($000) $5,132 (-36.7%) Shares 264,253 (-37.1%) Est. Cost $19.16 Unrealized +26.0%
CIEN CIENA CORP 2.1%
Value ($000) $16,947 (+20.8%) Shares 43,651 (-27.2%) Est. Cost $101.84 Unrealized +166.0%
TERN TERNS PHARMACEUTICALS INC 2.0%
Value ($000) $15,816 (+21.9%) Shares 300,000 (-6.6%) Est. Cost $23.11 Unrealized +62.1%
GH GUARDANT HEALTH INC 1.1%
Value ($000) $8,406 (-23.8%) Shares 91,000 (-15.7%) Est. Cost $46.89 Unrealized +129.1%
WRBY WARBY PARKER INC 0.4%
Value ($000) $2,844 (-47.6%) Shares 135,000 (-45.8%) Est. Cost $21.76 Unrealized +15.8%
TTMI TTM TECHNOLOGIES INC 1.1%
Value ($000) $9,060 (+29.4%) Shares 93,000 (-8.4%) Est. Cost $65.27 Unrealized +43.1%
BWXT BWX TECHNOLOGIES INC 2.1%
Value ($000) $16,881 (-10.3%) Shares 82,550 (-24.2%) Est. Cost $89.60 Unrealized +126.6%
FIVE FIVE BELOW INC 1.1%
Value ($000) $9,020 (-14.8%) Shares 39,480 (-29.8%) Est. Cost $145.50 Unrealized +38.6%
IMNM IMMUNOME INC 0.7%
Value ($000) $5,750 (-19.9%) Shares 262,900 (-21.4%) Est. Cost $17.55 Unrealized +31.5%
TBBB BBB FOODS INC 0.4%
Value ($000) $3,368 (-29.1%) Shares 95,218 (-33.1%) Est. Cost $23.66 Unrealized +50.5%
PTGX PROTAGONIST THERAPEUTICS INC 0.8%
Value ($000) $6,545 (-12.9%) Shares 62,100 (-27.8%) Est. Cost $57.71 Unrealized +44.3%
XENE XENON PHARMACEUTICALS INC 0.4%
Value ($000) $3,483 (-16.0%) Shares 59,900 (-35.2%) Est. Cost $39.21 Unrealized +7.1%
ASND ASCENDIS PHARMA A/S 0.5%
Value ($000) $4,374 (-0.6%) Shares 19,125 (-7.3%) Est. Cost $167.02 Unrealized