Atika Capital Management LLC Q4 2025 Filing
Filed February 13, 2026
Portfolio Value
$949.0M
Holdings
74
Report Date
Q4 2025
Filing Type
13F-HR
All Holdings (74 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | XBISPDR SERIES TRUST | 9,625 | $116.0M | 12.22% | Put |
| 2 | VRTVERTIV HOLDINGS CO | 636,100 | $101.0M | 10.64% | |
| 3 | SATSECHOSTAR CORP | 128,789 | $54.0M | 5.69% | Call |
| 4 | LLYELI LILLY & CO | 41,100 | $42.0M | 4.43% | |
| 5 | ISRGINTUITIVE SURGICAL INC | 57,216 | $31.0M | 3.27% | |
| 6 | TEVATEVA PHARMACEUTICAL INDS | 720,000 | $29.0M | 3.06% | Call |
| 7 | IWMISHARES TR | 910 | $21.0M | 2.21% | Put |
| 8 | MDGLMADRIGAL PHARMACEUTICALS | 34,000 | $19.0M | 2.00% | |
| 9 | SHOPSHOPIFY INC | 124,000 | $19.0M | 2.00% | |
| 10 | AMZNAMAZON COM INC | 80,000 | $17.0M | 1.79% | |
| 11 | BWXTBWX TECHNOLOGIES INC | 108,900 | $17.0M | 1.79% | |
| 12 | COGTCOGENT BIOSCIENCES INC | 506,000 | $16.0M | 1.69% | |
| 13 | NFLXNETFLIX INC | 180,000 | $15.0M | 1.58% | |
| 14 | TLNTALEN ENERGY CORP | 42,100 | $14.0M | 1.48% | |
| 15 | STXSEAGATE TECHNOLOGY HLDNGS | 51,907 | $13.0M | 1.37% | |
| 16 | CIENCIENA CORP | 60,000 | $12.0M | 1.26% | |
| 17 | IM8NINSMED INC | 77,200 | $12.0M | 1.26% | |
| 18 | TSLATESLA INC | 30,000 | $12.0M | 1.26% | |
| 19 | TERNTERNS PHARMACEUTICALS INC | 321,165 | $12.0M | 1.26% | |
| 20 | GOOGALPHABET INC | 42,200 | $12.0M | 1.26% | |
| 21 | HOODROBINHOOD MKTS INC | 52,200 | $11.0M | 1.16% | Put |
| 22 | MTZMASTEC INC | 55,998 | $10.0M | 1.05% | |
| 23 | MLB1MERCADOLIBRE INC | 5,947 | $10.0M | 1.05% | |
| 24 | GHGUARDANT HEALTH INC | 108,000 | $10.0M | 1.05% | |
| 25 | NETCLOUDFLARE INC | 54,900 | $9.0M | 0.95% | |
| 26 | APPFAPPFOLIO INC | 44,500 | $9.0M | 0.95% | |
| 27 | REALTHE REALREAL INC | 565,000 | $8.0M | 0.84% | |
| 28 | MDBMONGODB INC | 22,326 | $8.0M | 0.84% | |
| 29 | FIVEFIVE BELOW INC | 56,200 | $8.0M | 0.84% | |
| 30 | AXSMAXSOME THERAPEUTICS INC | 55,500 | $8.0M | 0.84% | |
| 31 | DASHDOORDASH INC | 46,000 | $8.0M | 0.84% | |
| 32 | EMBJEMBRAER S.A. | 115,930 | $7.0M | 0.74% | |
| 33 | PTGXPROTAGONIST THERAPEUTICS | 86,000 | $7.0M | 0.74% | |
| 34 | ABVXABIVAX SA | 55,000 | $7.0M | 0.74% | |
| 35 | HEIHEICO CORP NEW | 26,300 | $7.0M | 0.74% | |
| 36 | CSLCARLISLE COS INC | 25,300 | $7.0M | 0.74% | |
| 37 | QXOQXO INC | 420,000 | $7.0M | 0.74% | |
| 38 | LMNDLEMONADE INC | 113,917 | $7.0M | 0.74% | |
| 39 | IBITISHARES BITCOIN TRUST ETF | 1,500 | $7.0M | 0.74% | Put |
| 40 | GEGE AEROSPACE | 25,948 | $7.0M | 0.74% | |
| 41 | IMNMIMMUNOME INC | 334,341 | $6.0M | 0.63% | |
| 42 | ROKUROKU INC | 61,000 | $5.0M | 0.53% | |
| 43 | TTMITTM TECHNOLOGIES INC | 101,473 | $5.0M | 0.53% | |
| 44 | FERGFERGUSON ENTERPRISES INC | 29,300 | $5.0M | 0.53% | |
| 45 | SNSHARKNINJA INC | 52,600 | $4.0M | 0.42% | |
| 46 | DNTHDIANTHUS THERAPEUTICS INC | 134,528 | $4.0M | 0.42% | |
| 47 | CWCURTISS WRIGHT CORP | 9,882 | $4.0M | 0.42% | |
| 48 | RHRH | 35,000 | $4.0M | 0.42% | |
| 49 | WRBYWARBY PARKER INC | 248,971 | $4.0M | 0.42% | |
| 50 | TBBBBBB FOODS INC | 142,282 | $3.0M | 0.32% | |
| 51 | DBVTDBV TECHNOLOGIES S A | 206,881 | $3.0M | 0.32% | |
| 52 | FNDFLOOR & DECOR HLDGS INC | 800 | $3.0M | 0.32% | Call |
| 53 | ASNDASCENDIS PHARMA A/S | 20,642 | $3.0M | 0.32% | |
| 54 | ANFABERCROMBIE & FITCH CO | 29,000 | $3.0M | 0.32% | |
| 55 | XENEXENON PHARMACEUTICALS INC | 92,506 | $3.0M | 0.32% | |
| 56 | ISIIONIS PHARMACEUTICALS INC | 47,488 | $3.0M | 0.32% | |
| 57 | RIVNRIVIAN AUTOMOTIVE INC | 2,420 | $3.0M | 0.32% | Call |
| 58 | EEMISHARES TR | 816 | $3.0M | 0.32% | Call |
| 59 | ALNYALNYLAM PHARMACEUTICALS INC | 10,339 | $3.0M | 0.32% | |
| 60 | BBWIBATH & BODY WORKS INC | 225,000 | $3.0M | 0.32% | |
| 61 | 6RJ0ROCKET LAB CORP | 62,115 | $3.0M | 0.32% | |
| 62 | FIGRFIGURE TECHNOLOGY SOLUTIO | 111,447 | $3.0M | 0.32% | |
| 63 | MDLNMEDLINE INC | 117,800 | $3.0M | 0.32% | |
| 64 | KNSAKINIKSA PHARMACEUTICALS | 93,970 | $3.0M | 0.32% | |
| 65 | EOSEEOS ENERGY ENTERPRISES INC | 3,720 | $3.0M | 0.32% | Call |
| 66 | RAPTRAPT THERAPEUTICS INC | 94,245 | $1.0M | 0.11% | |
| 67 | UUNITY SOFTWARE INC | 500 | $1.0M | 0.11% | Call |
| 68 | CECOCECO ENVIRONMENTAL CORP | 29,804 | $1.0M | 0.11% | |
| 69 | MRNAMODERNA INC | 760 | $1.0M | 0.11% | Put |
| 70 | RKTROCKET COS INC | 130,000 | $1.0M | 0.11% | |
| 71 | AAOIAPPLIED OPTOELECTRONICS INC | 87,657 | $1.0M | 0.11% | |
| 72 | RDDTREDDIT INC | 2,000 | $0 | 0.00% | |
| 73 | CDTXCIDARA THERAPEUTICS INC | 49 | $0 | 0.00% | Call |
| 74 | CLHCLEAN HARBORS INC | 3,000 | $0 | 0.00% |