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Atika Capital Management LLC Top Holdings and 13F Report (2025)

About Atika Capital Management LLC

Investment Activity

  • Atika Capital Management LLC has $711.09 million in total holdings as of March 31, 2025.
  • Atika Capital Management LLC owns shares of 59 different stocks, but just 30 companies or ETFs make up 80% of its holdings.
  • Approximately 20.76% of the portfolio was purchased this quarter.
  • About 46.39% of the portfolio was sold this quarter.
  • This quarter, Atika Capital Management LLC has purchased 83 new stocks and bought additional shares in 21 stocks.
  • Atika Capital Management LLC sold shares of 20 stocks and completely divested from 39 stocks this quarter.

Largest Holdings

Amazon.com
$59,598,756
Microsoft
$40,354,425
Vertiv
$35,168,620
Spotify Technology
$33,991,854

Largest New Holdings this Quarter

457669307 - Insmed
$7,323,839 Holding
G8192H106 - SiriusPoint
$7,261,800 Holding
881624209 - Teva Pharmaceutical Industries
$6,715,153 Holding
770700102 - Robinhood Markets
$5,951,660 Holding
04351P101 - Ascendis Pharma A/S
$5,486,272 Holding

Largest Purchases this Quarter

Amazon.com
132,999 shares (about $25.30M)
Spotify Technology
20,200 shares (about $11.11M)
Vertiv
134,149 shares (about $9.69M)
Netflix
9,350 shares (about $8.72M)
Insmed
96,000 shares (about $7.32M)

Largest Sales this Quarter

iShares Russell 2000 ETF
500 shares (about $9.97M)
Tesla
300 shares (about $7.77M)
GAP
269,500 shares (about $5.55M)
Cloudflare
35,800 shares (about $4.03M)
Lantheus
11,250 shares (about $2.88M)

Sector Allocation Over Time

Map of 500 Largest Holdings ofAtika Capital Management LLC

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
Amazon.com, Inc. stock logo
AMZN
Amazon.com
$59,598,756$25,304,390 73.8%313,2498.4%Retail/Wholesale
Microsoft Co. stock logo
MSFT
Microsoft
$40,354,4250.0%107,5005.7%Computer and Technology
Vertiv Holdings Co stock logo
VRT
Vertiv
$35,168,620$9,685,558 38.0%487,1004.9%Computer and Technology
Spotify Technology S.A. stock logo
SPOT
Spotify Technology
$33,991,854$11,110,606 48.6%61,8004.8%Business Services
iShares Russell 2000 ETF stock logo
IWM
iShares Russell 2000 ETF
$29,923,500$9,974,500 -25.0%1,5004.2%Finance
Eli Lilly and Company stock logo
LLY
Eli Lilly and Company
$27,337,622$371,660 1.4%33,1003.8%Medical
Intuitive Surgical, Inc. stock logo
ISRG
Intuitive Surgical
$27,289,376$742,905 2.8%55,1003.8%Medical
Martin Marietta Materials, Inc. stock logo
MLM
Martin Marietta Materials
$26,599,806$4,079,883 18.1%55,6333.7%Construction
Glaukos Co. stock logo
GKOS
Glaukos
$25,933,671$2,362,080 10.0%263,5003.6%Medical
Inspire Medical Systems, Inc. stock logo
INSP
Inspire Medical Systems
$25,580,369$477,840 1.9%160,6003.6%Medical
ARISTA NETWORKS INC
$16,579,790$339,982 2.1%213,9882.3%COM SHS
MercadoLibre, Inc. stock logo
MELI
MercadoLibre
$15,468,448$349,206 2.3%7,9292.2%Retail/Wholesale
DOORDASH INC
$15,130,614$435,906 3.0%82,7852.1%CL A
Netflix, Inc. stock logo
NFLX
Netflix
$15,106,986$8,719,156 136.5%16,2002.1%Consumer Discretionary
CyberArk Software Ltd. stock logo
CYBR
CyberArk Software
$14,432,600$946,400 -6.2%42,7002.0%Computer and Technology
TALEN ENERGY CORP
$14,408,188$2,763,433 -16.1%72,1602.0%COM
RxSight, Inc. stock logo
RXST
RxSight
$14,210,018$2,897,883 25.6%513,2732.0%Medical
Vistra Corp. stock logo
VST
Vistra
$13,623,040$4,991,200 57.8%116,0001.9%Utilities
Verona Pharma plc stock logo
VRNA
Verona Pharma
$13,214,428$245,452 -1.8%208,1341.9%Medical
Soleno Therapeutics, Inc. stock logo
SLNO
Soleno Therapeutics
$11,832,121$3,570,087 43.2%101,2501.7%Medical
Lantheus Holdings, Inc. stock logo
LNTH
Lantheus
$11,721,759$2,876,113 -19.7%45,8501.6%Medical
GE VERNOVA INC
$11,432,736$915,840 -7.4%37,4501.6%COM
Meta Platforms, Inc. stock logo
META
Meta Platforms
$10,951,416$1,613,232 -12.8%19,0011.5%Computer and Technology
BWX Technologies, Inc. stock logo
BWXT
BWX Technologies
$10,595,0100.0%107,4001.5%Computer and Technology
Natera, Inc. stock logo
NTRA
Natera
$10,133,864$5,232 -0.1%71,6631.4%Medical
AppFolio, Inc. stock logo
APPF
AppFolio
$9,785,550$2,814,720 -22.3%44,5001.4%Computer and Technology
GE Aerospace stock logo
GE
GE Aerospace
$9,707,275$1,341,005 -12.1%48,5001.4%Industrials
Axsome Therapeutics, Inc. stock logo
AXSM
Axsome Therapeutics
$8,595,630$6,029,770 235.0%73,7001.2%Medical
Constellation Energy Co. stock logo
CEG
Constellation Energy
$8,327,319$1,229,943 -12.9%41,3001.2%Energy
Adobe Inc. stock logo
ADBE
Adobe
$8,207,542$1,304,002 18.9%21,4001.2%Computer and Technology
Tesla, Inc. stock logo
TSLA
Tesla
$7,774,800$7,774,800 -50.0%3001.1%Auto/Tires/Trucks
Tarsus Pharmaceuticals, Inc. stock logo
TARS
Tarsus Pharmaceuticals
$7,417,828$1,684,936 -18.5%144,4001.0%Medical
Insmed Incorporated stock logo
INSM
Insmed
$7,323,839$7,323,839 New Holding96,0001.0%Medical
SiriusPoint Ltd. stock logo
SPNT
SiriusPoint
$7,261,800$7,261,800 New Holding420,0001.0%Finance
DUOLINGO INC
$7,235,582$1,832,186 33.9%23,3001.0%CL A COM
Embraer S.A. stock logo
ERJ
Embraer
$6,888,420$577,500 9.2%149,1001.0%Aerospace
Teva Pharmaceutical Industries Limited stock logo
TEVA
Teva Pharmaceutical Industries
$6,715,153$6,715,153 New Holding436,9000.9%Medical
Robinhood Markets, Inc. stock logo
HOOD
Robinhood Markets
$5,951,660$5,951,660 New Holding143,0000.8%Finance
NVIDIA Co. stock logo
NVDA
NVIDIA
$5,635,760$596,090 11.8%52,0000.8%Computer and Technology
Tradeweb Markets Inc. stock logo
TW
Tradeweb Markets
$5,531,026$1,729,856 -23.8%37,2560.8%Finance
Ascendis Pharma A/S stock logo
ASND
Ascendis Pharma A/S
$5,486,272$5,486,272 New Holding35,2000.8%Medical
EchoStar Co. stock logo
SATS
EchoStar
$5,200,414$356,585 7.4%203,3000.7%Computer and Technology
The Sherwin-Williams Company stock logo
SHW
Sherwin-Williams
$5,091,539$2,031,936 -28.5%14,5810.7%Basic Materials
Roku, Inc. stock logo
ROKU
Roku
$5,085,768$5,085,768 New Holding72,2000.7%Consumer Discretionary
BBB FOODS INC
$4,877,824$1,010,452 -17.2%182,8270.7%CL A COM
TKO GROUP HOLDINGS INC
$4,782,953$4,782,953 New Holding31,3000.7%CL A
Shopify Inc. stock logo
SHOP
Shopify
$4,751,752$1,072,527 -18.4%49,7670.7%Computer and Technology
FERGUSON ENTERPRISES INC
$4,694,7390.0%29,3000.7%COMMON STOCK NEW
Check Point Software Technologies Ltd. stock logo
CHKP
Check Point Software Technologies
$4,558,400$4,558,400 New Holding20,0000.6%Computer and Technology
The Gap, Inc. stock logo
GPS
GAP
$4,404,357$5,554,395 -55.8%213,7000.6%Consumer Cyclical
Cloudflare, Inc. stock logo
NET
Cloudflare
$4,056,840$4,034,302 -49.9%36,0000.6%Computer and Technology
Guardant Health, Inc. stock logo
GH
Guardant Health
$3,642,299$3,642,299 New Holding85,5000.5%Medical
Micron Technology, Inc. stock logo
MU
Micron Technology
$3,475,600$3,475,600 New Holding4000.5%Computer and Technology
Doximity, Inc. stock logo
DOCS
Doximity
$2,901,500$2,901,500 New Holding5000.4%Medical
Walgreens Boots Alliance, Inc. stock logo
WBA
Walgreens Boots Alliance
$1,675,500$1,675,500 New Holding1,5000.2%Retail/Wholesale
Vulcan Materials stock logo
VMC
Vulcan Materials
$1,119,840$1,119,840 New Holding4,8000.2%Construction
Xenon Pharmaceuticals Inc. stock logo
XENE
Xenon Pharmaceuticals
$805,201$1,630,532 -66.9%24,0000.1%Medical
CELESTICA INC
$788,100$788,100 New Holding1000.1%COM
Sprouts Farmers Market, Inc. stock logo
SFM
Sprouts Farmers Market
$713,592$713,592 New Holding4,6750.1%Retail/Wholesale
Apple Inc. stock logo
AAPL
Apple
$0$37,563,000 -100.0%00.0%Computer and Technology
iShares 20+ Year Treasury Bond ETF stock logo
TLT
iShares 20+ Year Treasury Bond ETF
$0$34,932,000 -100.0%00.0%ETF
United Therapeutics Co. stock logo
UTHR
United Therapeutics
$0$10,938,040 -100.0%00.0%Medical
Five Below, Inc. stock logo
FIVE
Five Below
$0$10,496,000 -100.0%00.0%Retail/Wholesale
Edwards Lifesciences Co. stock logo
EW
Edwards Lifesciences
$0$8,883,600 -100.0%00.0%Medical
Golar LNG Limited stock logo
GLNG
Golar LNG
$0$8,400,520 -100.0%00.0%Transportation
The RealReal, Inc. stock logo
REAL
RealReal
$0$8,149,408 -100.0%00.0%Consumer Discretionary
Taiwan Semiconductor Manufacturing Company Limited stock logo
TSM
Taiwan Semiconductor Manufacturing
$0$7,662,612 -100.0%00.0%Computer and Technology
Boston Scientific Co. stock logo
BSX
Boston Scientific
$0$7,610,065 -100.0%00.0%Medical
Freshpet, Inc. stock logo
FRPT
Freshpet
$0$7,316,634 -100.0%00.0%Consumer Staples
MasTec, Inc. stock logo
MTZ
MasTec
$0$7,079,281 -100.0%00.0%Construction
Toast, Inc. stock logo
TOST
Toast
$0$7,020,271 -100.0%00.0%Computer and Technology
Sweetgreen, Inc. stock logo
SG
Sweetgreen
$0$6,957,020 -100.0%00.0%Retail/Wholesale
Marvell Technology, Inc. stock logo
MRVL
Marvell Technology
$0$6,737,450 -100.0%00.0%Computer and Technology
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$0$6,552,000 -100.0%00.0%Medical
GitLab Inc. stock logo
GTLB
GitLab
$0$6,547,870 -100.0%00.0%Computer and Technology
Salesforce, Inc. stock logo
CRM
Salesforce
$0$6,486,002 -100.0%00.0%Computer and Technology
Beacon Roofing Supply, Inc. stock logo
BECN
Beacon Roofing Supply
$0$6,338,592 -100.0%00.0%Retail/Wholesale
CHENIERE ENERGY INC
$0$6,231,230 -100.0%00.0%COM NEW
Intra-Cellular Therapies, Inc. stock logo
ITCI
Intra-Cellular Therapies
$0$6,096,960 -100.0%00.0%Medical
Masimo Co. stock logo
MASI
Masimo
$0$6,083,040 -100.0%00.0%Medical
The Trade Desk, Inc. stock logo
TTD
Trade Desk
$0$6,029,289 -100.0%00.0%Computer and Technology
Progyny, Inc. stock logo
PGNY
Progyny
$0$5,727,001 -100.0%00.0%Medical
Kymera Therapeutics, Inc. stock logo
KYMR
Kymera Therapeutics
$0$5,491,396 -100.0%00.0%Medical
Chart Industries, Inc. stock logo
GTLS
Chart Industries
$0$5,267,183 -100.0%00.0%Industrials
Affirm Holdings, Inc. stock logo
AFRM
Affirm
$0$4,951,169 -100.0%00.0%Business Services
Oscar Health, Inc. stock logo
OSCR
Oscar Health
$0$4,791,360 -100.0%00.0%Finance
CAVA Group, Inc. stock logo
CAVA
CAVA Group
$0$4,748,881 -100.0%00.0%Retail/Wholesale
First Solar, Inc. stock logo
FSLR
First Solar
$0$4,423,624 -100.0%00.0%Energy
HEICO Co. stock logo
HEI.A
HEICO
$0$4,335,664 -100.0%00.0%Aerospace
Novo Nordisk A/S stock logo
NVO
Novo Nordisk A/S
$0$4,301,000 -100.0%00.0%Medical
ARM HOLDINGS PLC
$0$3,466,417 -100.0%00.0%SPONSORED ADS
ASTERA LABS INC
$0$3,218,535 -100.0%00.0%COM
Warby Parker Inc. stock logo
WRBY
Warby Parker
$0$2,501,813 -100.0%00.0%Consumer Staples
Medical Properties Trust, Inc. stock logo
MPW
Medical Properties Trust
$0$2,370,000 -100.0%00.0%Finance
Lumen Technologies, Inc. stock logo
LUMN
Lumen Technologies
$0$1,062,000 -100.0%00.0%Business Services
ABIVAX SA
$0$760,760 -100.0%00.0%SPONSORED ADS
Cassava Sciences, Inc. stock logo
SAVA
Cassava Sciences
$0$582,920 -100.0%00.0%Medical
BRIGHT MINDS BIOSCIENCES INC
$0$540,300 -100.0%00.0%COM NEW

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