Fund Holdings — Atika Capital Management LLC

Total Portfolio Value:
$633.63M
Total Bought:
$176.86M
Total Sold:
$268.50M
Net Transaction:
-$91.64M
Securities
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SharesValue
Q4 2025
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Q1 2026
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Change
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Q4 2025
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Q1 2026
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Weight (%)
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Change
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Vertiv Holdings CoCL A(VRT)636,100666,100+30,000$103.05M$166.91M26.34%+$63.86M
Eli Lilly and Company(LLY)41,10041,1000$44.17M$37.80M5.97%-$6.37M
Intuitive Surgical, Inc.(ISRG)57,21657,2160$32.40M$26.38M4.16%-$6.03M
EchoStar CorporationCL A(ECHO)124,806182,000+57,194$13.57M$21.31M3.36%+$7.74M
Seagate Technology Hldngs Pl
ORD SHS
51,90753,500+1,593$14.29M$20.96M3.31%+$6.66M
MasTec, Inc.(MTZ)55,99857,636+1,638$12.17M$18.54M2.93%+$6.37M
Netflix, Inc.(NFLX)180,000180,0000$16.88M$17.31M2.73%+$430.2K
Ciena Corporation(CIEN)60,00043,651-16,349$14.03M$16.95M2.67%+$2.91M
BWX Technologies, Inc.(BWXT)108,90082,550-26,350$18.82M$16.88M2.66%-$1.94M
Terns Pharmaceuticals Inc321,165300,000-21,165$12.98M$15.82M2.50%+$2.84M
Teva Pharmaceutical Industries LimitedADS(TEVA)717,000477,000-240,000$22.38M$14.37M2.27%-$8.01M
Cloudflare, Inc.CL A(NET)54,90065,000+10,100$10.82M$13.41M2.12%+$2.59M
Alphabet Inc.CL C(GOOG)42,20043,250+1,050$13.24M$12.41M1.96%-$835.7K
Cogent Biosciences, Inc.(COGT)506,000293,200-212,800$17.97M$11.29M1.78%-$6.69M
Oruka Therapeutics, Inc.(ORKA)0229,900+229,900$0$11.28M1.78%+$11.28M
Dianthus Therapeutics, Inc.(DNTH)134,528128,800-5,728$5.54M$10.81M1.71%+$5.26M
Western Digital Corporation(WDC)037,717+37,717$0$10.20M1.61%+$10.20M
Amazon.com, Inc.(AMZN)80,00043,700-36,300$18.47M$9.10M1.44%-$9.36M
TTM Technologies, Inc.(TTMI)101,47393,000-8,473$7.00M$9.06M1.43%+$2.06M
Five Below, Inc.(FIVE)56,20039,480-16,720$10.59M$9.02M1.42%-$1.57M
Curtiss-Wright Corporation(CW)9,88213,000+3,118$5.45M$8.85M1.40%+$3.41M
Guardant Health, Inc.(GH)108,00091,000-17,000$11.03M$8.41M1.33%-$2.63M
MercadoLibre, Inc.(MELI)5,9474,510-1,437$11.98M$7.80M1.23%-$4.18M
AppFolio, Inc.CL A(APPF)44,50047,500+3,000$10.35M$7.50M1.18%-$2.86M
Vaneck Etf TrustGOLD MINERS ETF
GOLD MINERS ETF
080,000+80,000$0$7.34M1.16%+$7.34M
United Therapeutics Corporation(UTHR)012,350+12,350$0$7.32M1.16%+$7.32M
Karman Holdings Inc.(KRMN)090,500+90,500$0$7.24M1.14%+$7.24M
Ferguson Enterprises Inc.(FERG)29,30029,3000$6.52M$6.83M1.08%+$311.5K
Protagonist Therapeutics Inc86,00062,100-23,900$7.51M$6.55M1.03%-$965.9K
Clean Harbors, Inc.(CLH)3,00021,855+18,855$703.4K$6.27M0.99%+$5.56M
Talen Energy Corporation(TLN)42,10018,490-23,610$15.78M$5.90M0.93%-$9.88M
Immunome, Inc.(IMNM)334,341262,900-71,441$7.18M$5.75M0.91%-$1.43M
Meta Platforms, Inc.CL A(META)010,000+10,000$0$5.72M0.90%+$5.72M
DBV Technologies S.A.ADS(DBVT)206,881271,300+64,419$3.97M$5.67M0.89%+$1.70M
Rocket Lab Corporation(RKLB)62,11586,000+23,885$4.33M$5.52M0.87%+$1.19M
HEICO Corporation(HEI)26,30019,265-7,035$8.51M$5.28M0.83%-$3.23M
QXO, Inc.(QXO)420,000264,253-155,747$8.10M$5.13M0.81%-$2.97M
SiTime Corporation(SITM)014,805+14,805$0$5.11M0.81%+$5.11M
GE Aerospace(GE)25,94815,510-10,438$7.99M$4.40M0.69%-$3.59M
Ascendis Pharma A/SADR(ASND)20,64219,125-1,517$4.40M$4.37M0.69%-$27.2K
The RealReal, Inc.(REAL)565,000451,055-113,945$8.92M$4.10M0.65%-$4.82M
nLIGHT, Inc.(LASR)066,000+66,000$0$3.76M0.59%+$3.76M
Xenon Pharmaceuticals Inc.(XENE)92,50659,900-32,606$4.15M$3.48M0.55%-$662.9K
BBB Foods Inc.CL A(TBBB)142,28295,218-47,064$4.75M$3.37M0.53%-$1.38M
Maze Therapeutics, Inc.(MAZE)0111,500+111,500$0$3.33M0.53%+$3.33M
ABIVAX Société AnonymeADS(ABVX)55,00028,800-26,200$7.42M$3.21M0.51%-$4.21M
Acadia Healthcare Company, Inc.(ACHC)0122,600+122,600$0$2.87M0.45%+$2.87M
Warby Parker Inc.CL A(WRBY)248,971135,000-113,971$5.43M$2.84M0.45%-$2.58M
Krystal Biotech, Inc.(KRYS)010,625+10,625$0$2.74M0.43%+$2.74M
BridgeBio Pharma, Inc.(BBIO)035,200+35,200$0$2.61M0.41%+$2.61M
Hut 8 Corp.(HUT)049,300+49,300$0$2.31M0.36%+$2.31M
Heico Corp NewCL A010,575+10,575$0$2.23M0.35%+$2.23M
Abercrombie & Fitch CoCL A29,0000-29,000$3.65M$0—-$3.65M
Alnylam Pharmaceuticals, Inc.(ALNY)10,3390-10,339$4.11M$0—-$4.11M
Applied Optoelectronics, Inc.(AAOI)87,6570-87,657$3.06M$0—-$3.06M
Axsome Therapeutics, Inc.(AXSM)55,5000-55,500$10.14M$0—-$10.14M
Bath & Body Works Inc225,0000-225,000$4.52M$0—-$4.52M
Carlisle Companies Incorporated(CSL)25,3000-25,300$8.09M$0—-$8.09M
CECO Environmental Corp.(CECO)29,8040-29,804$1.78M$0—-$1.78M
DoorDash, Inc.CL A(DASH)46,0000-46,000$10.42M$0—-$10.42M
Embraer S.A.ADS(EMBJ)115,9300-115,930$7.46M$0—-$7.46M
Figure Technology Solutions, Inc.CL A(FGRS)111,4470-111,447$4.55M$0—-$4.55M
Insmed Incorporated(INSM)77,2000-77,200$13.44M$0—-$13.44M
Ionis Pharmaceuticals, Inc.(IONS)47,4880-47,488$3.76M$0—-$3.76M
Kiniksa Pharmaceuticals International, plcCL A(KNSA)93,9700-93,970$3.88M$0—-$3.88M
Lemonade, Inc.(LMND)113,9170-113,917$8.11M$0—-$8.11M
Madrigal Pharmaceuticals, Inc.(MDGL)34,0000-34,000$19.80M$0—-$19.80M
Medline Inc.CL A(MDLN)117,8000-117,800$4.95M$0—-$4.95M
MongoDB, Inc.CL A(MDB)22,3260-22,326$9.37M$0—-$9.37M
Rapt Therapeutics Inc94,2450-94,245$3.19M$0—-$3.19M
Reddit, Inc.CL A(RDDT)2,0000-2,000$459.7K$0—-$459.7K
RH(RH)35,0000-35,000$6.27M$0—-$6.27M
Robinhood Markets, Inc.CL A(HOOD)51,5000-51,500$5.82M$0—-$5.82M
Rocket Companies, Inc.CL A(RKT)130,0000-130,000$2.52M$0—-$2.52M
Roku, Inc.CL A(ROKU)61,0000-61,000$6.62M$0—-$6.62M
SharkNinja, Inc.(SN)52,6000-52,600$5.89M$0—-$5.89M
Shopify Inc.CL A(SHOP)124,0000-124,000$19.96M$0—-$19.96M
Tesla, Inc.(TSLA)30,0000-30,000$13.49M$0—-$13.49M
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Atika Capital Management LLC — 13F Holdings — Q1 2026 | TickerTrail