HoldingsChannel.com
Atika Capital Management LLC Top Holdings
As of  09/30/2019

   EntityAmountChange
 06/30/2019 to 09/30/2019
Position Size
($ in 1000's)
NETFLIX INC 52,000 +17,500 $13,917
     NFLX52,000+17,500$13,917
INSPIRE MED SYS INC 224,000 +59,000 $13,668
     INSP224,000+59,000$13,668
MCKESSON CORP      $13,667
     Call100,000+100,000$13,667
AMAZON COM INC 7,300 +700 $12,673
     AMZN7,300+700$12,673
LIBERTY MEDIA CORP DELAWARE 449,836 +54,836 $12,483
     BATRK449,836+54,836$12,483
MARTIN MARIETTA MATLS INC 45,400 +5,400 $12,444
     MLM45,400+5,400$12,444
ROKU INC 114,000 -18,000 $11,600
     ROKU114,000-18,000$11,600
CARMAX INC 127,000 -23,000 $11,176
     KMX127,000-23,000$11,176
MICROSOFT CORP 77,000 +20,500 $10,705
     MSFT77,000+20,500$10,705
ATLASSIAN CORP PLC 84,000 +12,000 $10,537
     TEAM84,000+12,000$10,537
SHAKE SHACK INC 103,000 +7,000 $10,099
     SHAK103,000+7,000$10,099
ZAI LAB LTD 304,900 +59,900 $9,864
     ZLAB304,900+59,900$9,864
RINGCENTRAL INC 76,000 +6,000 $9,550
     RNG76,000+6,000$9,550
VULCAN MATLS CO 61,000 +18,500 $9,225
     VMC61,000+18,500$9,225
EXACT SCIENCES CORP 100,000 -35,300 $9,037
     EXAS100,000-35,300$9,037
EHEALTH INC 135,000 +41,000 $9,017
     EHTH135,000+41,000$9,017
GRACE W R & CO DEL NEW 133,000 +15,000 $8,879
     GRA133,000+15,000$8,879
OKTA INC      $8,862
     OKTA100,000-50,000$9,846
     Put10,000+10,000$984
COUPA SOFTWARE INC 67,000 +3,000 $8,681
     COUP67,000+3,000$8,681
INTUITIVE SURGICAL INC 16,000 +3,001 $8,640
     ISRG16,000+3,001$8,640
TANDEM DIABETES CARE INC 142,000 +25,000 $8,375
     TNDM142,000+25,000$8,375
TWITTER INC 202,000 +102,000 $8,322
     TWTR202,000+102,000$8,322
GROCERY OUTLET HLDG CORP 211,500 +211,500 $7,335
     GO211,500+211,500$7,335
MEDICINES CO      $7,304
     MDCO124,000+53,000$6,199
     Call52,100+30,000$2,605
     Put30,000+30,000$1,500
BEYOND MEAT INC 46,800 -24,200 $6,956
     BYND46,800-24,200$6,956
ENPHASE ENERGY INC 295,000 -5,000 $6,558
     ENPH295,000-5,000$6,558
ARENA PHARMACEUTICALS INC      $6,453
     ARNA181,000-49,000$8,284
     Put40,000+40,000$1,831
DEXCOM INC 42,000 -10,000 $6,268
     DXCM42,000-10,000$6,268
DISNEY WALT CO 48,000 -13,000 $6,255
     DIS48,000-13,000$6,255
HEICO CORP NEW      $6,033
     HEI.A62,000-15,000$6,033
MONGODB INC 50,000 +10,500 $6,024
     MDB50,000+10,500$6,024
Q2 HLDGS INC 74,900 +74,900 $5,907
     QTWO74,900+74,900$5,907
EPAM SYS INC 30,000 -7,000 $5,469
     EPAM30,000-7,000$5,469
REPLIGEN CORP 70,000 +70,000 $5,368
     RGEN70,000+70,000$5,368
CATALENT INC 112,100 +62,100 $5,342
     CTLT112,100+112,100$5,342
ETSY INC 93,000 UNCH $5,254
     ETSY93,000UNCH$5,254
AZUL S A 145,000 +145,000 $5,194
     AZUL145,000+145,000$5,194
MARRIOTT VACTINS WORLDWID CO      $5,180
     Call48,000+48,000$4,973
     VAC2,000-54,000$207
NEUROCRINE BIOSCIENCES INC 57,000 -8,000 $5,136
     NBIX57,000-8,000$5,136
TRADEWEB MKTS INC 138,800 +16,300 $5,133
     TW138,800+16,300$5,133
ARGENX SE 44,800 +2,900 $5,105
     ARGX44,800+2,900$5,105
PINTEREST INC 191,800 +19,800 $5,073
     PINS191,800+19,800$5,073
ARISTA NETWORKS INC 18,000 -10,000 $4,301
     ANET18,000-10,000$4,301
COHERUS BIOSCIENCES INC 185,500 -24,500 $3,758
     CHRS185,500-24,500$3,758
VERACYTE INC 145,000 +8,000 $3,480
     VCYT145,000+8,000$3,480
MADRIGAL PHARMACEUTICALS INC      $3,449
     Call40,000+23,000$3,449
LOWES COS INC 30,000 +30,000 $3,299
     LOW30,000+30,000$3,299
BIOHAVEN PHARMACTL HLDG CO L 76,000 -36,893 $3,170
     BHVN76,000-36,893$3,170
T MOBILE US INC 37,000 +37,000 $2,914
     TMUS37,000+37,000$2,914
NOVOCURE LTD 37,690 +4,700 $2,818
     NVCR37,690+4,700$2,818

See Full List: All Stocks Held By Atika Capital Management LLC
— Including:
     • Biggest new positions
     • Biggest exits
     • Biggest increased positions
     • Biggest decreased positions

See Details: Top 10 Stocks Held By Atika Capital Management LLC

Size ($ in 1000's)
At 09/30/2019: $475,017
At 06/30/2019: $509,102

Combined Holding Report Includes:
Atika Capital Management LLC
Atika Capital Partners LP

Atika Capital Management LLC holdings changes, total fund size, and other information presented on HoldingsChannel.com was derived from Atika Capital Management LLC 13F filings. Link to 13F filings: SEC filings

Atika Capital Management LLC Top Holdings 13F Filings | www.HoldingsChannel.com

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