13F HOLDINGS REPORT
Atika Capital Management LLC
Quarter ended Q4 2025 · Filed February 13, 2026 · Accession 0001214659-26-001658
Total Value
$949.8M
Positions
231
Other Managers
2
Confidential Omitted
No
Holdings (231)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | SPDR SERIES TRUST | 78464A870 | 5,416 | $66.0M | 6.95% |
| 2 | VERTIV HOLDINGS CO | VRT | 369,018 | $59.8M | 6.29% |
| 3 | SPDR SERIES TRUST | 78464A870 | 2,679 | $32.7M | 3.44% |
| 4 | VERTIV HOLDINGS CO | VRT | 182,842 | $29.6M | 3.12% |
| 5 | ELI LILLY & CO | LLY | 23,931 | $25.7M | 2.71% |
| 6 | ECHOSTAR CORP | SATS | 2,275 | $24.7M | 2.60% |
| 7 | INTUITIVE SURGICAL INC | ISRG | 32,976 | $18.7M | 1.97% |
| 8 | SPDR SERIES TRUST | 78464A870 | 1,530 | $18.7M | 1.96% |
| 9 | VERTIV HOLDINGS CO | VRT | 84,240 | $13.6M | 1.44% |
| 10 | ELI LILLY & CO | LLY | 11,853 | $12.7M | 1.34% |
| 11 | ISHARES TR | 464287655 | 513 | $12.6M | 1.33% |
| 12 | TEVA PHARMACEUTICAL INDS | 881624209 | 398,758 | $12.4M | 1.31% |
| 13 | ECHOSTAR CORP | SATS | 1,109 | $12.1M | 1.27% |
| 14 | SHOPIFY INC | SHOP | 69,968 | $11.3M | 1.19% |
| 15 | MADRIGAL PHARMACEUTICALS | MDGL | 18,993 | $11.1M | 1.16% |
| 16 | BWX TECHNOLOGIES INC | BWXT | 61,480 | $10.6M | 1.12% |
| 17 | AMAZON COM INC | AMZN | 45,141 | $10.4M | 1.10% |
| 18 | COGENT BIOSCIENCES INC | COGT | 285,516 | $10.1M | 1.07% |
| 19 | NETFLIX INC | NFLX | 104,500 | $9.8M | 1.03% |
| 20 | INTUITIVE SURGICAL INC | ISRG | 16,853 | $9.5M | 1.00% |
| 21 | TALEN ENERGY CORP | TLN | 23,755 | $8.9M | 0.94% |
| 22 | SEAGATE TECHNOLOGY HLDNGS | SE | 29,289 | $8.1M | 0.85% |
| 23 | CIENA CORP | CIEN | 33,856 | $7.9M | 0.83% |
| 24 | ECHOSTAR CORP | SATS | 70,423 | $7.7M | 0.81% |
| 25 | TESLA INC | TSLA | 16,928 | $7.6M | 0.80% |
| 26 | INSMED INC | INSM | 43,584 | $7.6M | 0.80% |
| 27 | ALPHABET INC | GOOG | 23,824 | $7.5M | 0.79% |
| 28 | TERNS PHARMACEUTICALS INC | TERN | 181,221 | $7.3M | 0.77% |
| 29 | MASTEC INC | MTZ | 31,598 | $6.9M | 0.72% |
| 30 | MERCADOLIBRE INC | MELI | 3,356 | $6.8M | 0.71% |
| 31 | ECHOSTAR CORP | SATS | 599 | $6.5M | 0.69% |
| 32 | TEVA PHARMACEUTICAL INDS | 881624209 | 204,940 | $6.4M | 0.67% |
| 33 | GUARDANT HEALTH INC | GH | 60,940 | $6.2M | 0.66% |
| 34 | ISHARES TR | 464287655 | 252 | $6.2M | 0.65% |
| 35 | CLOUDFLARE INC | NET | 30,994 | $6.1M | 0.64% |
| 36 | FIVE BELOW INC | FIVE | 31,728 | $6.0M | 0.63% |
| 37 | DOORDASH INC | DASH | 25,956 | $5.9M | 0.62% |
| 38 | APPFOLIO INC | APPF | 25,171 | $5.9M | 0.62% |
| 39 | AXSOME THERAPEUTICS INC | AXSM | 31,316 | $5.7M | 0.60% |
| 40 | ELI LILLY & CO | LLY | 5,316 | $5.7M | 0.60% |
| 41 | MADRIGAL PHARMACEUTICALS | MDGL | 9,659 | $5.6M | 0.59% |
| 42 | SHOPIFY INC | SHOP | 34,330 | $5.5M | 0.58% |
| 43 | MONGODB INC | MDB | 12,598 | $5.3M | 0.56% |
| 44 | BWX TECHNOLOGIES INC | BWXT | 30,107 | $5.2M | 0.55% |
| 45 | TEVA PHARMACEUTICAL INDS | 881624209 | 1,656 | $5.2M | 0.54% |
| 46 | AMAZON COM INC | AMZN | 22,148 | $5.1M | 0.54% |
| 47 | THE REALREAL INC | 88339P101 | 318,807 | $5.0M | 0.53% |
| 48 | COGENT BIOSCIENCES INC | COGT | 140,087 | $5.0M | 0.52% |
| 49 | HEICO CORP NEW | HEI-A | 14,848 | $4.8M | 0.51% |
| 50 | NETFLIX INC | NFLX | 48,990 | $4.6M | 0.48% |
| 51 | LEMONADE INC | LMND | 64,279 | $4.6M | 0.48% |
| 52 | QXO INC | QXO-PB | 236,989 | $4.6M | 0.48% |
| 53 | CARLISLE COS INC | 142339100 | 14,283 | $4.6M | 0.48% |
| 54 | GE AEROSPACE | 369604301 | 14,641 | $4.5M | 0.47% |
| 55 | ROBINHOOD MKTS INC | 770700102 | 387 | $4.4M | 0.46% |
| 56 | TALEN ENERGY CORP | TLN | 11,656 | $4.4M | 0.46% |
| 57 | PROTAGONIST THERAPEUTICS | PTGX | 48,527 | $4.2M | 0.45% |
| 58 | EMBRAER S.A. | EMBJ | 65,415 | $4.2M | 0.44% |
| 59 | ISHARES BITCOIN TRUST ETF | IBIT | 847 | $4.2M | 0.44% |
| 60 | INTUITIVE SURGICAL INC | ISRG | 7,387 | $4.2M | 0.44% |
| 61 | ABIVAX SA | AAVXF | 30,766 | $4.1M | 0.44% |
| 62 | IMMUNOME INC | IMNM | 188,655 | $4.1M | 0.43% |
| 63 | SEAGATE TECHNOLOGY HLDNGS | SE | 14,371 | $4.0M | 0.42% |
| 64 | TTM TECHNOLOGIES INC | TTMI | 57,257 | $4.0M | 0.42% |
| 65 | CIENA CORP | CIEN | 16,611 | $3.9M | 0.41% |
| 66 | ECHOSTAR CORP | SATS | 34,553 | $3.8M | 0.40% |
| 67 | TESLA INC | TSLA | 8,305 | $3.7M | 0.39% |
| 68 | ROKU INC | ROKU | 34,420 | $3.7M | 0.39% |
| 69 | INSMED INC | INSM | 21,343 | $3.7M | 0.39% |
| 70 | ALPHABET INC | GOOG | 11,667 | $3.7M | 0.39% |
| 71 | TERNS PHARMACEUTICALS INC | TERN | 88,915 | $3.6M | 0.38% |
| 72 | ISHARES TR | 464287655 | 145 | $3.6M | 0.38% |
| 73 | RH | RH | 19,760 | $3.5M | 0.37% |
| 74 | TEVA PHARMACEUTICAL INDS | 881624209 | 113,302 | $3.5M | 0.37% |
| 75 | FERGUSON ENTERPRISES INC | FERG | 15,817 | $3.5M | 0.37% |
| 76 | MASTEC INC | MTZ | 15,503 | $3.4M | 0.35% |
| 77 | SHARKNINJA INC | SN | 29,696 | $3.3M | 0.35% |
| 78 | MERCADOLIBRE INC | MELI | 1,646 | $3.3M | 0.35% |
| 79 | ROBINHOOD MKTS INC | 770700102 | 29,059 | $3.3M | 0.35% |
| 80 | SHOPIFY INC | SHOP | 19,702 | $3.2M | 0.33% |
| 81 | DIANTHUS THERAPEUTICS INC | DNTH | 75,909 | $3.1M | 0.33% |
| 82 | APPFOLIO INC | APPF | 13,437 | $3.1M | 0.33% |
| 83 | MADRIGAL PHARMACEUTICALS | MDGL | 5,348 | $3.1M | 0.33% |
| 84 | CURTISS WRIGHT CORP | CW | 5,576 | $3.1M | 0.32% |
| 85 | WARBY PARKER INC | WRBY | 140,485 | $3.1M | 0.32% |
| 86 | GUARDANT HEALTH INC | GH | 29,900 | $3.1M | 0.32% |
| 87 | BWX TECHNOLOGIES INC | BWXT | 17,313 | $3.0M | 0.32% |
| 88 | CLOUDFLARE INC | NET | 15,178 | $3.0M | 0.32% |
| 89 | AMAZON COM INC | AMZN | 12,711 | $2.9M | 0.31% |
| 90 | FIVE BELOW INC | FIVE | 15,537 | $2.9M | 0.31% |
| 91 | DOORDASH INC | DASH | 12,735 | $2.9M | 0.30% |
| 92 | COGENT BIOSCIENCES INC | COGT | 80,397 | $2.9M | 0.30% |
| 93 | AXSOME THERAPEUTICS INC | AXSM | 15,365 | $2.8M | 0.30% |
| 94 | MEDLINE INC | MDLN | 66,504 | $2.8M | 0.29% |
| 95 | FLOOR & DECOR HLDGS INC | FND | 457 | $2.8M | 0.29% |
| 96 | TEVA PHARMACEUTICAL INDS | 881624209 | 865 | $2.7M | 0.28% |
| 97 | BBB FOODS INC | TBBB | 80,284 | $2.7M | 0.28% |
| 98 | RIVIAN AUTOMOTIVE INC | RIVN | 1,336 | $2.6M | 0.28% |
| 99 | MONGODB INC | MDB | 6,181 | $2.6M | 0.27% |
| 100 | FIGURE TECHNOLOGY SOLUTIO | FGRS | 62,885 | $2.6M | 0.27% |
| 101 | BATH & BODY WORKS INC | BBWI | 126,959 | $2.5M | 0.27% |
| 102 | ISHARES TR | 464287234 | 461 | $2.5M | 0.27% |
| 103 | TALEN ENERGY CORP | TLN | 6,689 | $2.5M | 0.26% |
| 104 | NETFLIX INC | NFLX | 26,510 | $2.5M | 0.26% |
| 105 | ASCENDIS PHARMA A/S | ASND | 11,647 | $2.5M | 0.26% |
| 106 | THE REALREAL INC | 88339P101 | 156,422 | $2.5M | 0.26% |
| 107 | ROCKET LAB CORP | RKLB | 35,049 | $2.4M | 0.26% |
| 108 | EOS ENERGY ENTERPRISES INC | EOSE | 2,054 | $2.4M | 0.25% |
| 109 | HEICO CORP NEW | HEI-A | 7,271 | $2.4M | 0.25% |
| 110 | XENON PHARMACEUTICALS INC | XENE | 52,197 | $2.3M | 0.25% |
| 111 | ALNYLAM PHARMACEUTICALS INC | ALNY | 5,834 | $2.3M | 0.24% |
| 112 | ROBINHOOD MKTS INC | 770700102 | 202 | $2.3M | 0.24% |
| 113 | SEAGATE TECHNOLOGY HLDNGS | SE | 8,247 | $2.3M | 0.24% |
| 114 | LEMONADE INC | LMND | 31,538 | $2.2M | 0.24% |
| 115 | QXO INC | QXO-PB | 116,278 | $2.2M | 0.24% |
| 116 | DBV TECHNOLOGIES S A | DBVTF | 116,735 | $2.2M | 0.24% |
| 117 | CARLISLE COS INC | 142339100 | 6,995 | $2.2M | 0.24% |
| 118 | CIENA CORP | CIEN | 9,533 | $2.2M | 0.23% |
| 119 | GE AEROSPACE | 369604301 | 7,184 | $2.2M | 0.23% |
| 120 | KINIKSA PHARMACEUTICALS | G52694109 | 53,023 | $2.2M | 0.23% |
| 121 | FERGUSON ENTERPRISES INC | FERG | 9,761 | $2.2M | 0.23% |
| 122 | ECHOSTAR CORP | SATS | 19,830 | $2.2M | 0.23% |
| 123 | TESLA INC | TSLA | 4,767 | $2.1M | 0.23% |
| 124 | INSMED INC | INSM | 12,273 | $2.1M | 0.22% |
| 125 | IONIS PHARMACEUTICALS INC | IONS | 26,796 | $2.1M | 0.22% |
| 126 | ALPHABET INC | GOOG | 6,709 | $2.1M | 0.22% |
| 127 | ABIVAX SA | AAVXF | 15,570 | $2.1M | 0.22% |
| 128 | PROTAGONIST THERAPEUTICS | PTGX | 23,809 | $2.1M | 0.22% |
| 129 | EMBRAER S.A. | EMBJ | 32,095 | $2.1M | 0.22% |
| 130 | TERNS PHARMACEUTICALS INC | TERN | 51,029 | $2.1M | 0.22% |
| 131 | ISHARES BITCOIN TRUST ETF | IBIT | 415 | $2.1M | 0.22% |
| 132 | ABERCROMBIE & FITCH CO | ANF | 16,364 | $2.1M | 0.22% |
| 133 | IMMUNOME INC | IMNM | 92,563 | $2.0M | 0.21% |
| 134 | TTM TECHNOLOGIES INC | TTMI | 28,093 | $1.9M | 0.20% |
| 135 | MASTEC INC | MTZ | 8,897 | $1.9M | 0.20% |
| 136 | MERCADOLIBRE INC | MELI | 945 | $1.9M | 0.20% |
| 137 | ROKU INC | ROKU | 16,888 | $1.8M | 0.19% |
| 138 | RAPT THERAPEUTICS INC | 75382E208 | 53,179 | $1.8M | 0.19% |
| 139 | GUARDANT HEALTH INC | GH | 17,160 | $1.8M | 0.18% |
| 140 | RH | RH | 9,676 | $1.7M | 0.18% |
| 141 | APPLIED OPTOELECTRONICS INC | AAOI | 49,461 | $1.7M | 0.18% |
| 142 | CLOUDFLARE INC | NET | 8,728 | $1.7M | 0.18% |
| 143 | FIVE BELOW INC | FIVE | 8,935 | $1.7M | 0.18% |
| 144 | DOORDASH INC | DASH | 7,309 | $1.7M | 0.17% |
| 145 | SHARKNINJA INC | SN | 14,542 | $1.6M | 0.17% |
| 146 | ROBINHOOD MKTS INC | 770700102 | 14,258 | $1.6M | 0.17% |
| 147 | AXSOME THERAPEUTICS INC | AXSM | 8,819 | $1.6M | 0.17% |
| 148 | DIANTHUS THERAPEUTICS INC | DNTH | 37,244 | $1.5M | 0.16% |
| 149 | CURTISS WRIGHT CORP | CW | 2,736 | $1.5M | 0.16% |
| 150 | WARBY PARKER INC | WRBY | 68,928 | $1.5M | 0.16% |
| 151 | TEVA PHARMACEUTICAL INDS | 881624209 | 479 | $1.5M | 0.16% |
| 152 | MONGODB INC | MDB | 3,547 | $1.5M | 0.16% |
| 153 | ROCKET COS INC | 77311W101 | 73,354 | $1.4M | 0.15% |
| 154 | THE REALREAL INC | 88339P101 | 89,771 | $1.4M | 0.15% |
| 155 | RIVIAN AUTOMOTIVE INC | RIVN | 698 | $1.4M | 0.14% |
| 156 | APPFOLIO INC | APPF | 5,892 | $1.4M | 0.14% |
| 157 | MEDLINE INC | MDLN | 32,568 | $1.4M | 0.14% |
| 158 | FLOOR & DECOR HLDGS INC | FND | 223 | $1.4M | 0.14% |
| 159 | HEICO CORP NEW | HEI-A | 4,181 | $1.4M | 0.14% |
| 160 | BBB FOODS INC | TBBB | 39,391 | $1.3M | 0.14% |
| 161 | LEMONADE INC | LMND | 18,100 | $1.3M | 0.14% |
| 162 | QXO INC | QXO-PB | 66,733 | $1.3M | 0.14% |
| 163 | CARLISLE COS INC | 142339100 | 4,022 | $1.3M | 0.14% |
| 164 | GE AEROSPACE | 369604301 | 4,123 | $1.3M | 0.13% |
| 165 | MODERNA INC | MRNA | 429 | $1.3M | 0.13% |
| 166 | FIGURE TECHNOLOGY SOLUTIO | FGRS | 30,854 | $1.3M | 0.13% |
| 167 | ROBINHOOD MKTS INC | 770700102 | 111 | $1.3M | 0.13% |
| 168 | BATH & BODY WORKS INC | BBWI | 62,292 | $1.3M | 0.13% |
| 169 | ISHARES TR | 464287234 | 226 | $1.2M | 0.13% |
| 170 | UNITY SOFTWARE INC | U | 279 | $1.2M | 0.13% |
| 171 | EOS ENERGY ENTERPRISES INC | EOSE | 1,074 | $1.2M | 0.13% |
| 172 | ASCENDIS PHARMA A/S | ASND | 5,715 | $1.2M | 0.13% |
| 173 | ROCKET LAB CORP | RKLB | 17,197 | $1.2M | 0.13% |
| 174 | PROTAGONIST THERAPEUTICS | PTGX | 13,664 | $1.2M | 0.13% |
| 175 | EMBRAER S.A. | EMBJ | 18,420 | $1.2M | 0.12% |
| 176 | ISHARES BITCOIN TRUST ETF | IBIT | 238 | $1.2M | 0.12% |
| 177 | ABIVAX SA | AAVXF | 8,664 | $1.2M | 0.12% |
| 178 | XENON PHARMACEUTICALS INC | XENE | 25,611 | $1.1M | 0.12% |
| 179 | IMMUNOME INC | IMNM | 53,123 | $1.1M | 0.12% |
| 180 | ALNYLAM PHARMACEUTICALS INC | ALNY | 2,862 | $1.1M | 0.12% |
| 181 | TTM TECHNOLOGIES INC | TTMI | 16,123 | $1.1M | 0.12% |
| 182 | DBV TECHNOLOGIES S A | DBVTF | 57,275 | $1.1M | 0.12% |
| 183 | KINIKSA PHARMACEUTICALS | G52694109 | 26,016 | $1.1M | 0.11% |
| 184 | ROKU INC | ROKU | 9,692 | $1.1M | 0.11% |
| 185 | IONIS PHARMACEUTICALS INC | IONS | 13,147 | $1.0M | 0.11% |
| 186 | ABERCROMBIE & FITCH CO | ANF | 8,029 | $1.0M | 0.11% |
| 187 | CECO ENVIRONMENTAL CORP | CECO | 16,817 | $1.0M | 0.11% |
| 188 | RH | RH | 5,564 | $996,791 | 0.10% |
| 189 | SHARKNINJA INC | SN | 8,362 | $935,708 | 0.10% |
| 190 | ROBINHOOD MKTS INC | 770700102 | 8,183 | $925,497 | 0.10% |
| 191 | RAPT THERAPEUTICS INC | 75382E208 | 26,092 | $883,736 | 0.09% |
| 192 | DIANTHUS THERAPEUTICS INC | DNTH | 21,375 | $880,864 | 0.09% |
| 193 | CURTISS WRIGHT CORP | CW | 1,570 | $865,494 | 0.09% |
| 194 | WARBY PARKER INC | WRBY | 39,558 | $861,969 | 0.09% |
| 195 | APPLIED OPTOELECTRONICS INC | AAOI | 24,268 | $845,982 | 0.09% |
| 196 | FERGUSON ENTERPRISES INC | FERG | 3,722 | $828,629 | 0.09% |
| 197 | MEDLINE INC | MDLN | 18,728 | $786,576 | 0.08% |
| 198 | RIVIAN AUTOMOTIVE INC | RIVN | 386 | $760,806 | 0.08% |
| 199 | BBB FOODS INC | TBBB | 22,607 | $754,848 | 0.08% |
| 200 | FLOOR & DECOR HLDGS INC | FND | 120 | $730,680 | 0.08% |
| 201 | FIGURE TECHNOLOGY SOLUTIO | FGRS | 17,708 | $723,195 | 0.08% |
| 202 | BATH & BODY WORKS INC | BBWI | 35,749 | $717,840 | 0.08% |
| 203 | ISHARES TR | 464287234 | 129 | $705,759 | 0.07% |
| 204 | ASCENDIS PHARMA A/S | ASND | 3,280 | $699,427 | 0.07% |
| 205 | ROCKET COS INC | 77311W101 | 35,991 | $696,786 | 0.07% |
| 206 | ROCKET LAB CORP | RKLB | 9,869 | $688,461 | 0.07% |
| 207 | EOS ENERGY ENTERPRISES INC | EOSE | 592 | $678,432 | 0.07% |
| 208 | XENON PHARMACEUTICALS INC | XENE | 14,698 | $658,764 | 0.07% |
| 209 | ALNYLAM PHARMACEUTICALS INC | ALNY | 1,643 | $653,339 | 0.07% |
| 210 | UNITY SOFTWARE INC | U | 144 | $636,048 | 0.07% |
| 211 | DBV TECHNOLOGIES S A | DBVTF | 32,871 | $630,137 | 0.07% |
| 212 | MODERNA INC | MRNA | 210 | $619,290 | 0.07% |
| 213 | KINIKSA PHARMACEUTICALS | G52694109 | 14,931 | $615,904 | 0.06% |
| 214 | IONIS PHARMACEUTICALS INC | IONS | 7,545 | $596,885 | 0.06% |
| 215 | CIDARA THERAPEUTICS INC | 171757206 | 27 | $596,403 | 0.06% |
| 216 | ABERCROMBIE & FITCH CO | ANF | 4,607 | $579,883 | 0.06% |
| 217 | RAPT THERAPEUTICS INC | 75382E208 | 14,974 | $507,169 | 0.05% |
| 218 | CECO ENVIRONMENTAL CORP | CECO | 8,251 | $493,822 | 0.05% |
| 219 | APPLIED OPTOELECTRONICS INC | AAOI | 13,928 | $485,530 | 0.05% |
| 220 | ROCKET COS INC | 77311W101 | 20,655 | $399,881 | 0.04% |
| 221 | CLEAN HARBORS INC | CLH | 1,693 | $396,975 | 0.04% |
| 222 | MODERNA INC | MRNA | 121 | $356,829 | 0.04% |
| 223 | UNITY SOFTWARE INC | U | 77 | $340,109 | 0.04% |
| 224 | CIDARA THERAPEUTICS INC | 171757206 | 14 | $309,246 | 0.03% |
| 225 | CECO ENVIRONMENTAL CORP | CECO | 4,736 | $283,450 | 0.03% |
| 226 | REDDIT INC | RDDT | 1,129 | $259,523 | 0.03% |
| 227 | CLEAN HARBORS INC | CLH | 831 | $194,853 | 0.02% |
| 228 | CIDARA THERAPEUTICS INC | 171757206 | 8 | $176,712 | 0.02% |
| 229 | REDDIT INC | RDDT | 554 | $127,348 | 0.01% |
| 230 | CLEAN HARBORS INC | CLH | 476 | $111,612 | 0.01% |
| 231 | REDDIT INC | RDDT | 317 | $72,869 | 0.01% |