13FBOX
Atika Capital Management LLC · 13F Holdings
Options Calculator Rankings

Atika Capital Management LLC

No.2745 Data as of 2026Q2
Latest AUM (Q2 2026)
$1.02B
QoQ Change Q1 2026
+$227.0M+28.5%
Holdings
75
New Buys
38
Adds
16
Reduces
13
Exits
19
Unchanged
8
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
VERTIV HOLDINGS COVRT
21.79%20.96%$223.0M666,100$166.9M666,10000.00%Unchanged
SEAGATE TECHNOLOGY HLDNGS PLSTX
7.53%2.63%$77.1M79,865$21.0M53,500+26,365+49.28%Add
ADVANCED MICRO DEVICES INCAMD
5.42%$55.5M95,500$00+95,500New Buy
ELI LILLY & COLLY
4.82%4.75%$49.3M41,100$37.8M41,10000.00%Unchanged
EECHOSTAR CORP CLASS CLASS AECHO
3.99%5%$40.8M332,109$39.8M183,583+148,526+80.90%Add
INTEL CORPINTC
3.6%0.55%$36.9M264,000$4.4M1,000+263,000+26,300.00%Add
GUARDANT HEALTH INCGH
2.65%1.06%$27.2M181,000$8.4M91,000+90,000+98.90%Add
CIENA CORPCIEN
2.34%2.13%$23.9M48,768$16.9M43,651+5,117+11.72%Add
INTUITIVE SURGICAL INCISRG
2.22%3.31%$22.8M57,216$26.4M57,21600.00%Unchanged
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADSTEVA
1.79%1.8%$18.3M441,000$14.4M477,000-36,000-7.55%Reduce
VVISHAY PRECISION GROUP INC COMVPG
1.73%$17.7M118,000$00+118,000New Buy
MARVELL TECHNOLOGY INCMRVL
1.69%$17.3M58,000$00+58,000New Buy
RROCKET LAB CORP COMRKLB
1.68%0.69%$17.2M169,000$5.5M86,000+83,000+96.51%Add
WESTERN DIGITAL CORPWDC
1.65%1.28%$16.9M26,477$10.2M37,717-11,240-29.80%Reduce
RREVOLUTION MEDICINES INC COMRVMD
1.61%$16.5M88,000$00+88,000New Buy
AASCENDIS PHARMA A/S SPONSORED ADRASND
1.59%0.55%$16.3M61,000$4.4M19,125+41,875+218.95%Add
DDIANTHUS THERAPEUTICS INCDNTH
1.57%1.36%$16.1M165,000$10.8M128,800+36,200+28.11%Add
AXSOME THERAPEUTICS INC.AXSM
1.51%$15.4M63,000$00+63,000New Buy
MMASTEC INCMTZ
1.44%2.33%$14.8M35,500$18.5M57,636-22,136-38.41%Reduce
EAST WEST BANCORP INCEWBC
1.31%$13.4M88,000$00+88,000New Buy
NETFLIX INCNFLX
1.26%4.17%$12.9M180,000$33.2M181,650-1,650-0.91%Reduce
CURTISS WRIGHT CORPCW
1.18%1.11%$12.1M16,000$8.9M13,000+3,000+23.08%Add
KYMERA THERAPEUTICS INCKYMR
1.17%$11.9M104,000$00+104,000New Buy
SITIME CORPSITM
1.09%0.64%$11.2M15,000$5.1M14,805+195+1.32%Add
TTWIST BIOSCIENCE CORPTWST
1.09%$11.1M108,000$00+108,000New Buy
THE REALREAL INCREAL
1.08%0.51%$11.1M940,000$4.1M451,055+488,945+108.40%Add
AMAZON COM INCAMZN
1.07%1.14%$11.0M46,220$9.1M43,700+2,520+5.77%Add
COGENT BIOSCIENCES INCCOGT
1.03%1.42%$10.5M272,000$11.3M293,200-21,200-7.23%Reduce
BWX TECHNOLOGIES INCBWXT
1.03%2.12%$10.5M54,000$16.9M82,550-28,550-34.59%Reduce
BBBB FOODS INCTBBB
1.02%0.42%$10.4M250,000$3.4M95,218+154,782+162.56%Add
AXOGEN INCAXGN
1%$10.2M221,000$00+221,000New Buy
NNOKIA CORP SPONSORED ADRNOK
0.97%$10.0M750,000$00+750,000New Buy
OORUKA THERAPEUTICS INC COMORKA
0.93%1.42%$9.5M100,000$11.3M229,900-129,900-56.50%Reduce
TTTM TECHNOLOGIES INCTTMI
0.91%1.14%$9.4M50,000$9.1M93,000-43,000-46.24%Reduce
CCHARLES RIV LABS INTL INCCRL
0.84%$8.6M38,000$00+38,000New Buy
AACM RESH INCACMR
0.78%$8.0M63,000$00+63,000New Buy
ROIVANT SCIENCES LTDROIV
0.75%$7.7M217,000$00+217,000New Buy
MERCADOLIBRE INC COMMELI
0.75%0.98%$7.7M4,510$7.8M4,51000.00%Unchanged
AAPPFOLIO INCAPPF
0.74%0.94%$7.6M47,500$7.5M47,50000.00%Unchanged
PPROTAGONIST THERAPEUTICS INCPTGX
0.74%0.82%$7.6M62,100$6.5M62,10000.00%Unchanged
REDDIT INC CL ARDDT
0.73%$7.5M43,000$00+43,000New Buy
SSEMTECH CORPSMTC
0.73%$7.4M46,000$00+46,000New Buy
FFIVE BELOW INCFIVE
0.7%1.13%$7.2M40,000$9.0M39,480+520+1.32%Add
FERGUSON ENTERPRISES INCFERG
0.68%0.86%$7.0M29,300$6.8M29,30000.00%Unchanged
DDEFINIUM THERAPEUTICS INCDFTX
0.56%$5.7M122,000$00+122,000New Buy
IIMMUNOME INCIMNM
0.54%0.72%$5.6M262,900$5.7M262,90000.00%Unchanged
HHUT 8 CORPHUT
0.5%0.29%$5.1M44,500$2.3M49,300-4,800-9.74%Reduce
WWARBY PARKER INCWRBY
0.44%0.36%$4.6M150,000$2.8M135,000+15,000+11.11%Add
JJATT II ACQUISITION CORPJATT
0.44%$4.5M400,000$00+400,000New Buy
PRAXIS PRECISION MEDICINES IPRAX
0.42%$4.3M12,900$00+12,900New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow