Latest Atika Capital Management LLC Stock Portfolio

$1.52Billion | No. of Holdings #62

Atika Capital Management LLC Performance

2026 Q2+18.26%
YTD+32.18%
2025+27.16%

About Atika Capital Management LLC and 13F Hedge Fund Stock Holdings

On 2026-08-13, the fund reported it's updated stock portfolio. In the 13F Holdings report, Atika Capital Management LLC reported an equity portfolio of $1.5 Billions as of 30 Jun, 2026. <br><br> The top stock holdings of Atika Capital Management LLC are VRT, STX, AMD. The fund has invested 14.7% of it's portfolio in VERTIV HOLDINGS CO and 5.1% of portfolio in SEAGATE TECHNOLOGY HLDNGS PL. <br><br> The fund managers got completely rid off CLOUDFLARE INC (NET), ALPHABET INC (GOOG) and VANECK ETF TRUST (AFK) stocks. They significantly reduced their stock positions in ORUKA THERAPEUTICS INC, TTM TECHNOLOGIES INC (TTMI) and KRYSTAL BIOTECH INC (KRYS). Atika Capital Management LLC opened new stock positions in ADVANCED MICRO DEVICES INC (AMD), INTEL CORP (INTC) and VISHAY PRECISION GROUP INC (VPG). The fund showed a lot of confidence in some stocks as they added substantially to BBB FOODS INC, THE REALREAL INC (REAL) and GUARDANT HEALTH INC (GH).
Atika Capital Management LLC Equity Portfolio Value
Last Reported on: 13 Aug, 2026
$1.52Billion
  as of Aug 13, 2026

Atika Capital Management LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Atika Capital Management LLC made a return of 18.26% in the last quarter. In trailing 12 months, it's portfolio return was 49.16%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
advanced micro devices inc55,476,900
intel corp36,862,300
vishay precision group inc17,689,400
marvell technology inc17,277,600
revolution medicines inc16,480,600
ascendis pharma a/s16,269,900
axsome therapeutics inc.15,420,500
sharkninja inc13,399,800

New stocks bought by Atika Capital Management LLC

Additions

Ticker% Inc.
bbb foods inc162
the realreal inc108
guardant health inc98.9
rocket lab corp96.51
echostar corp82.09
seagate technology hldngs pl49.28
dianthus therapeutics inc28.11
curtiss wright corp23.08

Additions to existing portfolio by Atika Capital Management LLC

Reductions

Ticker% Reduced
oruka therapeutics inc-56.5
ttm technologies inc-46.24
krystal biotech inc-43.53
mastec inc-38.41
bwx technologies inc-34.59
western digital corp-29.8
nlight inc-16.67
hut 8 corp-9.74

Atika Capital Management LLC reduced stake in above stock

Sold off

Ticker$ Sold
dbv technologies s a-5,667,460
qxo inc-5,131,790
acadia healthcare company in-2,867,610
maze therapeutics inc-3,328,280
karman hldgs inc-7,244,530
vaneck etf trust-7,341,600
cloudflare inc-13,412,100
xenon pharmaceuticals inc-3,483,180

Atika Capital Management LLC got rid off the above stocks

Sector Distribution

Atika Capital Management LLC has about 32.7% of it's holdings in Technology sector.

  • Technology
  • Industrials
  • Healthcare
  • Others
  • Consumer Cyclical
  • Communication Services
Sector%
Technology32.7
Industrials25.8
Healthcare23.5
Others13
Consumer Cyclical3.7
Communication Services1.3

Market Cap. Distribution

Atika Capital Management LLC has about 74.2% of it's portfolio invested in the large-cap and mega-cap stocks.

  • LARGE-CAP
  • MEGA-CAP
  • UNALLOCATED
  • MID-CAP
  • SMALL-CAP
Category%
LARGE-CAP57.8
MEGA-CAP16.4
UNALLOCATED13
MID-CAP9.9
SMALL-CAP3

Stocks belong to which Index?

About 51% of the stocks held by Atika Capital Management LLC either belong to S&P 500 or RUSSELL 2000 index.

  • Others
  • S&P 500
  • RUSSELL 2000
Index%
Others49
S&P 50028.8
RUSSELL 200022.2
Top 5 Winners (%)%
hut 8 corp
139.0 %
WDC
western digital corp
115.8 %
SITM
sitime corp
114.3 %
STX
seagate technology hldngs pl
98.4 %
TTMI
ttm technologies inc
70.7 %
Top 5 Winners ($)$
VRT
vertiv holdings co
56.1 M
STX
seagate technology hldngs pl
38.2 M
WDC
western digital corp
11.8 M
LLY
eli lilly & co
11.5 M
GH
guardant health inc
7.8 M
Top 5 Losers (%)%
NFLX
netflix inc.
-25.7 %
FIVE
five below inc
-21.2 %
ISRG
intuitive surgical inc
-13.7 %
SATS
echostar corp
-10.6 %
BWXT
bwx technologies inc
-4.0 %
Top 5 Losers ($)$
NFLX
netflix inc.
-4.5 M
SATS
echostar corp
-4.0 M
ISRG
intuitive surgical inc
-3.6 M
FIVE
five below inc
-1.9 M
BWXT
bwx technologies inc
-0.7 M

Atika Capital Management LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Atika Capital Management LLC

Atika Capital Management LLC has 62 stocks in it's portfolio. About 37.3% of the portfolio is in top 10 stocks. NFLX proved to be the most loss making stock for the portfolio. VRT was the most profitable stock for Atika Capital Management LLC last quarter.

$1.01BTotal Value
80.00Positions
13 Aug, 2026Last Reported
Current holdings of Current Stock Holdings of Atika Capital Management LLC, last reported on 13 Aug, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change
AFK
Vaneck Etf Trust

Vaneck Etf Trust

AFK
Atika Capital Management LLC's holding in Vaneck Etf Trust over time
0%0.00
$0.00
0%
decreased 100 percentsold off
ASND
Ascendis Pharma A/S

Ascendis Pharma A/S

ASND
Atika Capital Management LLC's holding in Ascendis Pharma A/S over time
0%0.00
$0.00
0%
decreased 100 percentsold off
DBVT
Dbv Technologies S A

Dbv Technologies S A

DBVT
Atika Capital Management LLC's holding in Dbv Technologies S A over time
0%0.00
$0.00
0%
decreased 100 percentsold off