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ACM

Atika Capital Management Portfolio holdings

AUM $796M
1-Year Est. Return 167.57%
This Fund
S&P 500
This Quarter Est. Return
+37.87%
1 Year Est. Return
+167.57%
3 Year Est. Return
+553.47%
5 Year Est. Return
+1,283.26%
10 Year Est. Return
+44,203.78%
AUM
$1.28B
AUM Growth
+$56.1M
Cap. Flow
-$177M
Cap. Flow %
-13.88%
Top 10 Hldgs %
24.2%
Holding
156
New
50
Increased
25
Reduced
32
Closed
47

Top Buys

Rank Stock Value
1
ABNB icon
Airbnb
ABNB
+$21M
2
GOOG icon
Alphabet (Google) Class C
GOOG
+$15.2M
3
PYPL icon
PayPal
PYPL
+$14.9M
4
MS icon
Morgan Stanley
MS
+$14M
5
FOUR icon
Shift4
FOUR
+$13.8M

Top Sells

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$17.6M
2
HZNP
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
+$16M
3
ENPH icon
Enphase Energy
ENPH
+$15.6M
4
XYZ
Block Inc
XYZ
+$14.6M
5
LVGO
Livongo Health, Inc. Common Stock
LVGO
+$14.2M

Sector Composition

Rank Sector Weight
1 Healthcare 25.79%
2 Technology 24.19%
3 Consumer Discretionary 14.84%
4 Communication Services 10.24%
5 Financials 3.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NVDA icon
51
NVIDIA
NVDA
$5.42T
$12M 0.94%
920,000
-88,000
-9% -$1.18M
IRTC icon
52
iRhythm Holdings
IRTC
$4.2B
$11.9M 0.93%
50,000
-21,000
-30% -$4.79M
NTRA icon
53
Natera
NTRA
$46.4B
$11.6M 0.91%
117,000
+75,500
+182% +$6.31M
CCK icon
54
Crown Holdings
CCK
$13.1B
$11.5M 0.9%
+115,000
New +$10.6M
MRNA icon
55
PUT
Moderna
MRNA
$23.6B
$11.4M 0.9%
+109,500
New +$11.1M
KRE icon
56
State Street SPDR S&P Regional Banking ETF
KRE
$4.64B
$10.8M 0.84%
+207,200
New +$9.47M
ABBV icon
57
CALL
AbbVie
ABBV
$435B
$10.7M 0.84%
+100,000
New +$9.61M
FTCH
58
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
$10.5M 0.82%
+164,500
New +$7.27M
MRTX
59
DELISTED
Mirati Therapeutics, Inc. Common Stock
MRTX
$10.4M 0.82%
+47,500
New +$10.3M
SRPT icon
60
Sarepta Therapeutics
SRPT
$1.77B
$10.1M 0.79%
59,100
+5,100
+9% +$756K
EB
61
DELISTED
Eventbrite
EB
$9.81M 0.77%
541,867
+258,267
+91% +$3.62M
RDFN
62
PUT
DELISTED
Redfin
RDFN
$9.61M 0.75%
+140,000
New +$7.48M
HOG icon
63
Harley-Davidson
HOG
$2.71B
$9.18M 0.72%
+250,000
New +$8.58M
ACAD icon
64
Acadia Pharmaceuticals
ACAD
$5.03B
$9.1M 0.71%
+170,247
New +$8.45M
PI icon
65
Impinj
PI
$5.6B
$8.96M 0.7%
+214,000
New +$7.46M
RSVAU
66
DELISTED
Rodgers Silicon Valley Acquisition Corp. Unit
RSVAU
$8.88M 0.7%
+665,000
New +$8.12M
LOW icon
67
Lowe's Companies
LOW
$125B
$8.83M 0.69%
55,000
-42,000
-43% -$6.82M
SGI
68
Somnigroup International
SGI
$13.7B
$7.83M 0.61%
290,000
-360,400
-55% -$8.79M
BATRK icon
69
Atlanta Braves Holdings Series B
BATRK
$3.21B
$7.76M 0.61%
312,000
-46,000
-13% -$1.08M
LUNG icon
70
Pulmonx
LUNG
$87.6M
$7.7M 0.6%
+111,600
New +$5.47M
PINS icon
71
Pinterest
PINS
$13.4B
$6.92M 0.54%
+105,000
New +$6.3M
CWH icon
72
Camping World
CWH
$653M
$6.68M 0.52%
256,500
+19,800
+8% +$579K
KRTX
73
DELISTED
Karuna Therapeutics, Inc. Common Stock
KRTX
$6.5M 0.51%
64,000
-9,500
-13% -$880K
BMRN icon
74
CALL
BioMarin Pharmaceuticals
BMRN
$12.4B
$6.31M 0.49%
72,000
-18,000
-20% -$1.43M
RUN icon
75
Sunrun
RUN
$2.46B
$6.28M 0.49%
90,500
-3,500
-4% -$217K
1 2
3
4 5

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Atika Capital Management's Q4 2020 Portfolio in Review

As of Q4 2020, Atika Capital Management held 156 positions worth $1.28B, up 4.6% from $1.22B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

Atika Capital Management withdrew a net $177M in Q4 2020, closing 47 positions and reducing 32 holdings. Its most notable exit was Horizon Therapeutics Public Limited Company Ordinary Shares, an estimated $16M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 26% of assets, up from 23% a quarter earlier, followed by Technology and Consumer Discretionary.

Against the trend, Atika Capital Management opened a new position in Airbnb worth $20.8M.

  • Atika Capital Management's largest Q4 2020 buy was Airbnb: 142,000 shares worth $20.8M.
  • Atika Capital Management added most to Natera in Q4 2020, an estimated $6.31M increase.
  • Atika Capital Management's biggest Q4 2020 reduction was Amazon, cutting an estimated $17.6M.
  • Atika Capital Management fully exited Horizon Therapeutics Public Limited Company Ordinary Shares in Q4 2020, selling an estimated $16M.
  • Atika Capital Management's ten largest holdings make up 24% of its $1.28B portfolio in Q4 2020.
  • Atika Capital Management opened 50 new positions and closed 47 in Q4 2020.
  • Atika Capital Management's portfolio value rose 4.6% quarter-over-quarter to $1.28B.

Based on Atika Capital Management's 13F filing for Q4 2020, filed 16 Feb 2021.