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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
+13.35%
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
$941M
AUM Growth
-$34M
Cap. Flow
-$229M
Cap. Flow %
-24.36%
Top 10 Hldgs %
38.24%
Holding
117
New
33
Increased
12
Reduced
33
Closed
33

Top Buys

Rank Stock Value
1
GAP
The Gap Inc
GAP
+$11M
2
MLM icon
Martin Marietta Materials
MLM
+$9.42M
3
TARS icon
Tarsus Pharmaceuticals
TARS
+$8.05M
4
GLNG icon
Golar LNG
GLNG
+$7.74M
5
BSX icon
Boston Scientific
BSX
+$7.5M

Top Sells

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$78.5M
2
MELI icon
Mercado Libre
MELI
+$28.2M
3
ENPH icon
Enphase Energy
ENPH
+$15.7M
4
ARGX icon
argenx
ARGX
+$12.8M
5
META icon
Meta Platforms (Facebook)
META
+$12.4M

Sector Composition

Rank Sector Weight
1 Healthcare 24.75%
2 Technology 18.85%
3 Industrials 11.44%
4 Consumer Discretionary 10.36%
5 Communication Services 5.08%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
XENE icon
76
Xenon Pharmaceuticals
XENE
$6.12B
$2.85M 0.3%
72,600
-53,400
-42% -$2.21M
WRBY icon
77
Warby Parker
WRBY
$3.27B
$2.5M 0.27%
+103,338
New +$2.11M
MPT
78
PUT
Medical Properties Trust
MPT
$2.81B
$2.37M 0.25%
6,000
-1,000
-14% -$4.48K
AXSM icon
79
Axsome Therapeutics
AXSM
$10.9B
$1.86M 0.2%
22,000
-35,000
-61% -$3.22M
LUMN icon
80
PUT
Lumen
LUMN
$6.44B
$1.06M 0.11%
2,000
– –
ABVX
81
Abivax
ABVX
$11.4B
$761K 0.08%
103,929
-9,702
-9% -$89.3K
FLNA
82
PUT
Filana Therapeutics
FLNA
$48.1M
$583K 0.06%
2,470
+1,220
+98% +$21.4K
DRUG
83
Bright Minds Biosciences
DRUG
$778M
$540K 0.06%
+15,000
New +$528K
OSCR icon
84
CALL
Oscar Health
OSCR
$8.61B
$460K 0.05%
+342
New +$5.51K
ABNB icon
85
Airbnb
ABNB
$107B
– –
-90,000
Closed -$11.4M
ALNY icon
86
Alnylam Pharmaceuticals
ALNY
$29.3B
– –
-31,000
Closed -$8.53M
AMD icon
87
CALL
Advanced Micro Devices
AMD
$789B
– –
-550
Closed -$9.02M
AMD icon
88
Advanced Micro Devices
AMD
$789B
– –
-31,000
Closed -$5.09M
ARGX icon
89
argenx
ARGX
$54.1B
– –
-23,595
Closed -$12.8M
ASND icon
90
Ascendis Pharma A/S
ASND
$16.8B
– –
-43,000
Closed -$6.42M
CATX icon
91
Perspective Therapeutics
CATX
$342M
– –
-100,000
Closed -$1.34M
CNM icon
92
Core & Main
CNM
$8.71B
– –
-125,000
Closed -$5.55M
CP icon
93
Canadian Pacific Kansas City
CP
$80.5B
– –
-45,000
Closed -$3.85M
DXCM icon
94
DexCom
DXCM
$32B
– –
-87,000
Closed -$5.83M
ENPH icon
95
Enphase Energy
ENPH
$5.53B
– –
-138,800
Closed -$15.7M
GTLB icon
96
CALL
GitLab
GTLB
$6.58B
– –
-500
Closed -$2.58M
HOV icon
97
Hovnanian Enterprises
HOV
$807M
– –
-23,500
Closed -$4.8M
INMD icon
98
PUT
InMode
INMD
$880M
– –
-1,856
Closed -$3.15M
INSM icon
99
Insmed
INSM
$28.6B
– –
-62,000
Closed -$4.53M
LEVI icon
100
CALL
Levi Strauss
LEVI
$9.39B
– –
-1,000
Closed -$2.18M
1 2 3
4
5

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Atika Capital Management's Q4 2024 Portfolio in Review

As of Q4 2024, Atika Capital Management held 117 positions worth $941M, down 3.5% from $975M the previous quarter. Its ten largest holdings account for 38% of the portfolio.

Atika Capital Management withdrew a net $229M in Q4 2024, closing 33 positions and reducing 33 holdings. Its most notable exit was Enphase Energy, an estimated $15.7M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 25% of assets, down from 28% a quarter earlier, followed by Technology and Industrials.

Against the trend, Atika Capital Management opened a new position in The Gap Inc worth $11.4M.

  • Atika Capital Management's largest Q4 2024 buy was The Gap Inc: 483,200 shares worth $11.4M.
  • Atika Capital Management added most to Martin Marietta Materials in Q4 2024, an estimated $9.42M increase.
  • Atika Capital Management's biggest Q4 2024 reduction was NVIDIA, cutting an estimated $78.5M.
  • Atika Capital Management fully exited Enphase Energy in Q4 2024, selling an estimated $15.7M.
  • Atika Capital Management's ten largest holdings make up 38% of its $941M portfolio in Q4 2024.
  • Atika Capital Management opened 33 new positions and closed 33 in Q4 2024.
  • Atika Capital Management's portfolio value fell 3.5% quarter-over-quarter to $941M.

Based on Atika Capital Management's 13F filing for Q4 2024, filed 13 Feb 2025.