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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
+20.74%
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
$747M
AUM Growth
-$15.2M
Cap. Flow
-$137M
Cap. Flow %
-18.35%
Top 10 Hldgs %
31.44%
Holding
101
New
26
Increased
15
Reduced
34
Closed
25

Top Buys

Rank Stock Value
1
AMD icon
Advanced Micro Devices
AMD
+$27.2M
2
ABNB icon
Airbnb
ABNB
+$10.1M
3
PDD icon
Pinduoduo
PDD
+$9.7M
4
ASML icon
ASML
ASML
+$7.59M
5
BMRN icon
BioMarin Pharmaceuticals
BMRN
+$7.52M

Top Sells

Rank Stock Value
1
PI icon
Impinj
PI
+$20M
2
RGEN icon
Repligen
RGEN
+$14.7M
3
ENPH icon
Enphase Energy
ENPH
+$14.5M
4
DDOG icon
Datadog
DDOG
+$12.4M
5
LNTH icon
Lantheus
LNTH
+$12.4M

Sector Composition

Rank Sector Weight
1 Healthcare 30.41%
2 Technology 26.16%
3 Industrials 11.05%
4 Consumer Discretionary 9.24%
5 Communication Services 8.8%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BILL icon
51
BILL Holdings
BILL
$4.78B
$6.28M 0.84%
+77,000
New +$6.32M
ESTA icon
52
PUT
Establishment Labs
ESTA
$2.28B
$6.24M 0.84%
+2,409
New +$70.5K
SPHR icon
53
Sphere Entertainment
SPHR
$5.73B
$5.97M 0.8%
+175,875
New +$6.12M
ACHC icon
54
Acadia Healthcare
ACHC
$2.94B
$5.83M 0.78%
75,000
-18,000
-19% -$1.33M
AXSM icon
55
Axsome Therapeutics
AXSM
$10.9B
$5.31M 0.71%
66,700
-4,300
-6% -$287K
MYRG icon
56
MYR Group
MYRG
$5.25B
$5.06M 0.68%
+35,000
New +$4.51M
IMVT icon
57
Immunovant
IMVT
$8.25B
$5.06M 0.68%
120,000
-89,000
-43% -$3.28M
CALX icon
58
Calix
CALX
$2.39B
$5.02M 0.67%
115,000
+43,000
+60% +$1.72M
DJT icon
59
Trump Media & Technology Group
DJT
$2.83B
$4.37M 0.58%
249,499
+139,937
+128% +$2.28M
XENE icon
60
Xenon Pharmaceuticals
XENE
$6.12B
$4.29M 0.58%
+93,234
New +$3.29M
CYTK icon
61
Cytokinetics
CYTK
$10.4B
$4.26M 0.57%
+51,000
New +$1.85M
CYTK icon
62
CALL
Cytokinetics
CYTK
$10.4B
$4.15M 0.56%
+497
New +$18K
ARKG icon
63
ARK Genomic Revolution ETF
ARKG
$1.73B
$3.58M 0.48%
+109,089
New +$2.97M
CBAY
64
DELISTED
Cymabay Therapeutics
CBAY
$3.42M 0.46%
145,000
+29,000
+25% +$516K
ROIV icon
65
CALL
Roivant Sciences
ROIV
$26.2B
$3.37M 0.45%
+3,000
New +$29.2K
DBRG icon
66
DigitalBridge
DBRG
$2.95B
$3.21M 0.43%
183,000
-17,000
-9% -$280K
MPT
67
PUT
Medical Properties Trust
MPT
$2.81B
$2.95M 0.39%
6,000
– –
MNDY icon
68
monday.com
MNDY
$3.94B
$2.63M 0.35%
+14,000
New +$2.25M
AKRO
69
DELISTED
Akero Therapeutics
AKRO
$1.87M 0.25%
+79,935
New +$1.58M
ADPT icon
70
Adaptive Biotechnologies
ADPT
$3.97B
$1.62M 0.22%
+330,000
New +$1.51M
FUSN
71
DELISTED
Fusion Pharmaceuticals Inc. Common Shares
FUSN
$1.25M 0.17%
+130,400
New +$634K
SNDX icon
72
Syndax Pharmaceuticals
SNDX
$1.82B
$864K 0.12%
+40,000
New +$615K
VRDN icon
73
Viridian Therapeutics
VRDN
$2.67B
$849K 0.11%
+39,000
New +$616K
ELAN icon
74
Elanco Animal Health
ELAN
$11.1B
$745K 0.1%
50,000
-154,900
-76% -$1.75M
AI icon
75
PUT
C3.ai
AI
$1.59B
$718K 0.1%
+250
New +$6.88K
1 2
3
4 5

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Atika Capital Management's Q4 2023 Portfolio in Review

As of Q4 2023, Atika Capital Management held 101 positions worth $747M, down 2% from $762M the previous quarter. Its ten largest holdings account for 31% of the portfolio.

Atika Capital Management withdrew a net $137M in Q4 2023, closing 25 positions and reducing 34 holdings. Its most notable exit was Impinj, an estimated $20M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 30% of assets, down from 32% a quarter earlier, followed by Technology and Industrials.

Against the trend, Atika Capital Management opened a new position in Advanced Micro Devices worth $34.1M.

  • Atika Capital Management's largest Q4 2023 buy was Advanced Micro Devices: 231,000 shares worth $34.1M.
  • Atika Capital Management added most to Exact Sciences in Q4 2023, an estimated $5.11M increase.
  • Atika Capital Management's biggest Q4 2023 reduction was Celsius Holdings, cutting an estimated $9.74M.
  • Atika Capital Management fully exited Impinj in Q4 2023, selling an estimated $20M.
  • Atika Capital Management's ten largest holdings make up 31% of its $747M portfolio in Q4 2023.
  • Atika Capital Management opened 26 new positions and closed 25 in Q4 2023.
  • Atika Capital Management's portfolio value fell 2% quarter-over-quarter to $747M.

Based on Atika Capital Management's 13F filing for Q4 2023, filed 13 Feb 2024.