Atika Capital Management LLC Hedge Fund

Location: New York, NY

CIK: 0001599731 · Show all filings

Period: Q2 2018 (← Previous) (Next →)

Filing Date: Aug 14, 2018

Total Value: $520M (98.9% shares, 1.1% debt)

Holdings (88)

QQQ INVESCO QQQ TR 14.9%
Value $77.24M Shares 450,000 Est. Cost Unrealized
XBI SPDR SERIES TRUST 3.7%
Value $19.04M Shares 200,000 Est. Cost Unrealized
NFLX NETFLIX INC 2.4%
Value $12.72M Shares 32,500 Est. Cost $12.98 Unrealized +162.6%
WEIGHT WATCHERS INTL INC NEW 2.3%
Value $12.13M Shares 120,000 Est. Cost $101.10 Unrealized
LIBERTY MEDIA CORP DELAWARE 2.3%
Value $11.88M Shares 459,356 Est. Cost $17.91 Unrealized
GRACE W R & CO DEL NEW 2.2%
Value $11.36M Shares 155,000 Est. Cost $73.31 Unrealized
WORLD WRESTLING ENTMT INC 2.2%
Value $11.29M Shares 155,000 Est. Cost $72.81 Unrealized
AMZN AMAZON COM INC 1.9%
Value $9.774M Shares 5,750 Est. Cost $56.43 Unrealized +40.7%
SRPT SAREPTA THERAPEUTICS INC 1.8%
Value $9.517M Shares 72,000 Est. Cost $41.34 Unrealized +128.1%
ALGN ALIGN TECHNOLOGY INC 1.8%
Value $9.238M Shares 27,000 Est. Cost $119.50 Unrealized +149.6%
ETSY ETSY INC 1.8%
Value $9.155M Shares 217,000 Est. Cost $22.47 Unrealized +44.8%
MSFT MICROSOFT CORP 1.7%
Value $8.875M Shares 90,000 Est. Cost $71.66 Unrealized +25.3%
ISRG INTUITIVE SURGICAL INC 1.7%
Value $8.612M Shares 18,000 Est. Cost $103.73 Unrealized +47.0%
ARENA PHARMACEUTICALS INC 1.6%
Value $8.284M Shares 190,000 Est. Cost $32.85 Unrealized
HUBS HUBSPOT INC 1.6%
Value $8.213M Shares 65,500 Est. Cost $104.22 Unrealized +13.7%
META FACEBOOK INC 1.5%
Value $7.968M Shares 41,000 Est. Cost $104.39 Unrealized +71.9%
PIVOTAL SOFTWARE INC 1.5%
Value $7.887M Shares 325,000 Est. Cost $24.27 Unrealized
RNG RINGCENTRAL INC 1.5%
Value $7.598M Shares 108,000 Est. Cost $27.11 Unrealized +163.9%
MDGL MADRIGAL PHARMACEUTICALS INC 1.4%
Value $7.411M Shares 26,499 Est. Cost $140.17 Unrealized +25.3%
DXCM DEXCOM INC 1.4%
Value $7.124M Shares 75,000 Est. Cost $18.46 Unrealized +14.8%
EXAS EXACT SCIENCES CORP 1.4%
Value $7.055M Shares 118,000 Est. Cost $49.63 Unrealized +8.4%
UNH UNITEDHEALTH GROUP INC 1.3%
Value $6.992M Shares 28,500 Est. Cost $154.04 Unrealized +37.7%
ROKU ROKU INC 1.3%
Value $6.819M Shares 160,000 Est. Cost $36.48 Unrealized 0.0%
ASH ASHLAND GLOBAL HLDGS INC 1.3%
Value $6.645M Shares 85,000 Est. Cost $65.54 Unrealized 0.0%
ADSK AUTODESK INC 1.3%
Value $6.554M Shares 50,000 Est. Cost $70.40 Unrealized +88.2%
GRACE W R & CO DEL NEW 1.3%
Value $6.525M Shares 89,000 Est. Cost $73.31 Unrealized
MEDICINES CO 1.2%
Value $6.423M Shares 175,000 Est. Cost $36.62 Unrealized
OKTA OKTA INC 1.2%
Value $6.195M Shares 123,000 Est. Cost $38.11 Unrealized +24.9%
WORLD WRESTLING ENTMT INC 1.2%
Value $6.116M Shares 84,000 Est. Cost $72.81 Unrealized
2U INC 1.1%
Value $5.683M Shares 68,000 Est. Cost $35.36 Unrealized
ATLASSIAN CORP PLC 1.1%
Value $5.627M Shares 90,000 Est. Cost $35.34 Unrealized
MLM MARTIN MARIETTA MATLS INC 1.1%
Value $5.583M Shares 25,000 Est. Cost $175.61 Unrealized +14.8%
XYZ SQUARE INC 1.1%
Value $5.548M Shares 90,000 Est. Cost $46.51 Unrealized +18.3%
GLPG GALAPAGOS NV 1.0%
Value $5.44M Shares 59,000 Est. Cost $91.13 Unrealized
ICUI ICU MED INC 1.0%
Value $5.432M Shares 18,500 Est. Cost $171.35 Unrealized +59.5%
AERIE PHARMACEUTICALS INC 1.0%
Value $5.404M Shares 80,000 Est. Cost Unrealized
PODD INSULET CORP 1.0%
Value $5.399M Shares 63,000 Est. Cost $77.68 Unrealized +15.5%
BMRN BIOMARIN PHARMACEUTICAL INC 1.0%
Value $5.36M Shares 56,900 Est. Cost Unrealized
LIBERTY MEDIA CORP DELAWARE 1.0%
Value $5.199M Shares 140,000 Est. Cost $36.96 Unrealized
ARGX ARGENX SE 1.0%
Value $4.972M Shares 60,010 Est. Cost $81.38 Unrealized
PORTOLA PHARMACEUTICALS INC 0.9%
Value $4.797M Shares 127,000 Est. Cost $37.77 Unrealized
SHAK SHAKE SHACK INC 0.9%
Value $4.633M Shares 70,000 Est. Cost $55.43 Unrealized 0.0%
W WAYFAIR INC 0.9%
Value $4.632M Shares 39,000 Est. Cost $86.81 Unrealized 0.0%
TDOC TELADOC INC 0.9%
Value $4.586M Shares 79,000 Est. Cost $48.84 Unrealized 0.0%
EPAM EPAM SYS INC 0.8%
Value $4.352M Shares 35,000 Est. Cost $116.07 Unrealized +3.6%
CIGNA CORPORATION 0.8%
Value $4.249M Shares 25,000 Est. Cost Unrealized
BMY BRISTOL MYERS SQUIBB CO 0.8%
Value $4.151M Shares 75,000 Est. Cost Unrealized
ENDOCYTE INC 0.8%
Value $4.071M Shares 295,000 Est. Cost $13.80 Unrealized
SPOT SPOTIFY TECHNOLOGY S A 0.8%
Value $4.038M Shares 24,000 Est. Cost $159.90 Unrealized 0.0%
ARISTA NETWORKS INC 0.7%
Value $3.863M Shares 15,000 Est. Cost $182.52 Unrealized
DOCU DOCUSIGN INC 0.7%
Value $3.814M Shares 72,000 Est. Cost Unrealized
DXCM DEXCOM INC 0.7%
Value $3.799M Shares 40,000 Est. Cost $18.46 Unrealized +14.8%
DIN DINE BRANDS GLOBAL INC 0.7%
Value $3.74M Shares 50,000 Est. Cost Unrealized
PBYI PUMA BIOTECHNOLOGY INC 0.7%
Value $3.667M Shares 62,000 Est. Cost $57.95 Unrealized 0.0%
INGN INOGEN INC 0.7%
Value $3.633M Shares 19,500 Est. Cost $102.16 Unrealized +62.9%
TTWO TAKE-TWO INTERACTIVE SOFTWAR 0.7%
Value $3.551M Shares 30,000 Est. Cost $81.92 Unrealized +32.9%
ASIX ADVANSIX INC 0.7%
Value $3.479M Shares 95,000 Est. Cost $38.59 Unrealized -11.3%
LOXO ONCOLOGY INC 0.7%
Value $3.469M Shares 20,000 Est. Cost $115.40 Unrealized
TWITTER INC 0.6%
Value $3.275M Shares 75,000 Est. Cost Unrealized
FIVE FIVE BELOW INC 0.6%
Value $3.225M Shares 33,000 Est. Cost $80.30 Unrealized 0.0%
IRWD IRONWOOD PHARMACEUTICALS INC 0.6%
Value $3.135M Shares 164,000 Est. Cost $14.80 Unrealized 0.0%
SIENTRA INC 0.6%
Value $3.121M Shares 160,000 Est. Cost $8.50 Unrealized
INSP INSPIRE MED SYS INC 0.6%
Value $3.12M Shares 87,500 Est. Cost $32.28 Unrealized 0.0%
PEN PENUMBRA INC 0.6%
Value $3.108M Shares 22,500 Est. Cost $103.27 Unrealized +37.8%
CRSP CRISPR THERAPEUTICS AG 0.6%
Value $3.055M Shares 52,000 Est. Cost $56.97 Unrealized 0.0%
BIOHAVEN PHARMACTL HLDG CO L 0.6%
Value $2.964M Shares 75,000 Est. Cost Unrealized
ILF ISHARES TR 0.6%
Value $2.959M Shares 100,000 Est. Cost Unrealized
BLUEBIRD BIO INC 0.6%
Value $2.904M Shares 18,500 Est. Cost $152.81 Unrealized
NVCR NOVOCURE LTD 0.5%
Value $2.817M Shares 90,000 Est. Cost $27.82 Unrealized 0.0%
FND FLOOR & DECOR HLDGS INC 0.5%
Value $2.713M Shares 55,000 Est. Cost $39.17 Unrealized +31.1%
STARS GROUP INC 0.5%
Value $2.541M Shares 70,000 Est. Cost $36.30 Unrealized
QTWO Q2 HLDGS INC 0.5%
Value $2.368M Shares 41,500 Est. Cost $43.17 Unrealized +26.3%
ALNY ALNYLAM PHARMACEUTICALS INC 0.4%
Value $2.265M Shares 23,000 Est. Cost $102.36 Unrealized -3.1%
ZOGENIX INC 0.4%
Value $2.21M Shares 50,000 Est. Cost $23.35 Unrealized
EEM ISHARES TR 0.4%
Value $2.167M Shares 50,000 Est. Cost Unrealized
VRTX VERTEX PHARMACEUTICALS INC 0.4%
Value $2.04M Shares 12,000 Est. Cost $151.12 Unrealized +2.6%
MOMENTA PHARMACEUTICALS INC 0.3%
Value $1.82M Shares 89,000 Est. Cost $20.45 Unrealized
VEEV VEEVA SYS INC 0.3%
Value $1.537M Shares 20,000 Est. Cost $64.64 Unrealized +17.6%
LIBERTY MEDIA CORP DELAWARE 0.3%
Value $1.485M Shares 40,000 Est. Cost $36.96 Unrealized
ACTIVISION BLIZZARD INC 0.3%
Value $1.374M Shares 18,000 Est. Cost $51.78 Unrealized
SAILPOINT TECHNLGIES HLDGS I 0.2%
Value $1.227M Shares 50,000 Est. Cost Unrealized
CRSP CRISPR THERAPEUTICS AG 0.2%
Value $1.175M Shares 20,000 Est. Cost $56.97 Unrealized 0.0%
ASND ASCENDIS PHARMA A S 0.2%
Value $1.044M Shares 15,700 Est. Cost $66.50 Unrealized
CRTO CRITEO S A 0.2%
Value $986K Shares 30,000 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 0.2%
Value $815K Shares 18,700 Est. Cost $32.85 Unrealized
SGI TEMPUR SEALY INTL INC 0.1%
Value $721K Shares 15,000 Est. Cost Unrealized
RED HAT INC 0.1%
Value $671K Shares 5,000 Est. Cost $119.60 Unrealized
MEDICINES CO 0.1%
Value $396K Shares 10,813 Est. Cost $36.62 Unrealized