Atika Capital Management LLC Q3 2019 Filing

Filed November 14, 2019

Portfolio Value

$475.0B

Holdings

67

Report Date

Q3 2019

Filing Type

13F-HR

All Holdings (67 positions)

#StockSharesValue% PortfolioType
1
NDQINVESCO QQQ TR
150,000$28.3B5.96%Put
2
XBISPDR SERIES TRUST
238,500$18.2B3.83%Put
3
IWMISHARES TR
100,000$15.1B3.19%Put
4
NFLXNETFLIX INC
52,000$13.9B2.93%
5
INSPINSPIRE MED SYS INC
224,000$13.7B2.88%
6
MCKMCKESSON CORP
100,000$13.7B2.88%Call
7
AMZNAMAZON COM INC
7,300$12.7B2.67%
8
BATRKUSDLIBERTY MEDIA CORP DELAWARE
449,836$12.5B2.63%
9
MLMMARTIN MARIETTA MATLS INC
45,400$12.4B2.62%
10
ROKUROKU INC
114,000$11.6B2.44%
11
KMXCARMAX INC
127,000$11.2B2.35%
12
OKTAOKTA INC
110,000$10.8B2.28%Put
13
MSFTMICROSOFT CORP
77,000$10.7B2.25%
14
TEAMATLASSIAN CORP PLC
84,000$10.5B2.22%
15
MEDICINES CO
206,100$10.3B2.17%Put
16
ARNAEURARENA PHARMACEUTICALS INC
221,000$10.1B2.13%Put
17
SHAKSHAKE SHACK INC
103,000$10.1B2.13%
18
ZLABZAI LAB LTD
304,900$9.9B2.08%
19
RNGRINGCENTRAL INC
76,000$9.6B2.01%
20
VMCVULCAN MATLS CO
61,000$9.2B1.94%
21
EXASEXACT SCIENCES CORP
100,000$9.0B1.90%
22
EHTHEHEALTH INC
135,000$9.0B1.90%
23
GRA1EURGRACE W R & CO DEL NEW
133,000$8.9B1.87%
24
COUPEURCOUPA SOFTWARE INC
67,000$8.7B1.83%
25
ISRGINTUITIVE SURGICAL INC
16,000$8.6B1.82%
26
TNDMTANDEM DIABETES CARE INC
142,000$8.4B1.76%
27
TWTRUSDTWITTER INC
202,000$8.3B1.75%
28
GOGROCERY OUTLET HLDG CORP
211,500$7.3B1.54%
29
BYNDBEYOND MEAT INC
46,800$7.0B1.46%
30
ENPHENPHASE ENERGY INC
295,000$6.6B1.38%
31
DC4DEXCOM INC
42,000$6.3B1.32%
32
DISDISNEY WALT CO
48,000$6.3B1.32%
33
HEIHEICO CORP NEW
62,000$6.0B1.27%
34
MDBMONGODB INC
50,000$6.0B1.27%
35
PLANUSDANAPLAN INC
126,000$5.9B1.25%Put
36
QTWOQ2 HLDGS INC
74,900$5.9B1.24%
37
EPAMEPAM SYS INC
30,000$5.5B1.15%
38
RGENREPLIGEN CORP
70,000$5.4B1.13%
39
CTLTEURCATALENT INC
112,100$5.3B1.12%
40
ETSYETSY INC
93,000$5.3B1.11%
41
AZULQAZUL S A
145,000$5.2B1.09%
42
VACMARRIOTT VACTINS WORLDWID CO
50,000$5.2B1.09%Call
43
NBIXNEUROCRINE BIOSCIENCES INC
57,000$5.1B1.08%
44
TWTRADEWEB MKTS INC
138,800$5.1B1.08%
45
ARGXARGENX SE
44,800$5.1B1.07%
46
PINSPINTEREST INC
191,800$5.1B1.07%
47
ANETEURARISTA NETWORKS INC
18,000$4.3B0.91%
48
CHRSCOHERUS BIOSCIENCES INC
185,500$3.8B0.79%
49
VCYTVERACYTE INC
145,000$3.5B0.73%
50
MDGLMADRIGAL PHARMACEUTICALS INC
40,000$3.4B0.73%Call
51
LOWLOWES COS INC
30,000$3.3B0.69%
52
BIOHAVEN PHARMACTL HLDG CO L
76,000$3.2B0.67%
53
TMUST MOBILE US INC
37,000$2.9B0.61%
54
NVCRNOVOCURE LTD
37,690$2.8B0.59%
55
PODDINSULET CORP
17,000$2.8B0.59%
56
PORTOLA PHARMACEUTICALS INC
94,000$2.5B0.53%
57
ASNDASCENDIS PHARMA A S
25,000$2.4B0.51%
58
KRYSKRYSTAL BIOTECH INC
58,319$2.0B0.43%
59
GLPGGALAPAGOS NV
12,000$1.8B0.39%
60
MRTXEURMIRATI THERAPEUTICS INC
23,000$1.8B0.38%
61
EWEDWARDS LIFESCIENCES CORP
8,000$1.8B0.37%
62
ZOGENIX INC
43,000$1.7B0.36%
63
NYTNEW YORK TIMES CO
54,000$1.5B0.32%
64
ZMZOOM VIDEO COMMUNICATIONS IN
20,000$1.5B0.32%
65
JWNUSDNORDSTROM INC
40,000$1.3B0.28%
66
PTCTPTC THERAPEUTICS INC
25,208$853.0M0.18%
67
TLRYEURTILRAY INC
30,000$743.0M0.16%Put