Q1 2026 · 13F-HR
Atika Capital Management LLCholdings as filed
Filed 2026-05-14 · accession 0001214659-26-006119
$796.4M
Reported value
60
Positions
2026-03-31
Period end
The Brief · Atika Capital Management LLC · Q1 2026
AI · grounded in 13F
Atika Capital Management LLC exited its position in SHOP for a reduction of $19.96M. The fund also closed positions in MDGL for $19.8M and HOOD for $13.74M. On the buy side, the fund established new positions in SMH for $27.6M and GDX for $21.1M. Additionally, the fund accumulated shares of VRT, increasing its position by 4.72%.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 92537N108 | VRT | VERTIV HOLDINGS CO | $166.9M | 21.0% | 666,100 | Common | SOLE |
| 78464A870 | XBI | SPDR SERIES TRUST | $54.0M | 6.78% | 4,225 | PUT | SOLE |
| 532457108 | LLY | ELI LILLY & CO | $37.8M | 4.75% | 41,100 | Common | SOLE |
| 92189F676 | SMH | VANECK ETF TRUST | $27.6M | 3.47% | 720 | PUT | SOLE |
| 46120E602 | ISRG | INTUITIVE SURGICAL INC | $26.4M | 3.31% | 57,216 | Common | SOLE |
| 464287655 | IWM | ISHARES TR | $24.8M | 3.11% | 1,000 | PUT | SOLE |
| 278768106 | SATS | ECHOSTAR CORP | $21.3M | 2.68% | 182,000 | Common | SOLE |
| G7997R103 | STX | SEAGATE TECHNOLOGY HLDNGS PL | $21.0M | 2.63% | 53,500 | Common | SOLE |
| 576323109 | MTZ | MASTEC INC | $18.5M | 2.33% | 57,636 | Common | SOLE |
| 278768106 | SATS | ECHOSTAR CORP | $18.5M | 2.33% | 1,583 | CALL | SOLE |
| 64110L106 | NFLX | NETFLIX INC. | $17.3M | 2.17% | 180,000 | Common | SOLE |
| 171779309 | CIEN | CIENA CORP | $16.9M | 2.13% | 43,651 | Common | SOLE |
| 05605H100 | BWXT | BWX TECHNOLOGIES INC | $16.9M | 2.12% | 82,550 | Common | SOLE |
| 64110L106 | NFLX | NETFLIX INC. | $15.9M | 1.99% | 1,650 | CALL | SOLE |
| 880881107 | 430 | TERNS PHARMACEUTICALS INC | $15.8M | 1.99% | 300,000 | Common | SOLE |
| 881624209 | TEVA | TEVA PHARMACEUTICAL INDS LTD | $14.4M | 1.80% | 477,000 | Common | SOLE |
| 92189F106 | GDX | VANECK ETF TRUST | $13.8M | 1.73% | 1,500 | CALL | SOLE |
| 18915M107 | NET | CLOUDFLARE INC | $13.4M | 1.68% | 65,000 | Common | SOLE |
| 02079K107 | GOOG | ALPHABET INC | $12.4M | 1.56% | 43,250 | Common | SOLE |
| 19240Q201 | COGT | COGENT BIOSCIENCES INC | $11.3M | 1.42% | 293,200 | Common | SOLE |
| 687604108 | ORKA | ORUKA THERAPEUTICS INC | $11.3M | 1.42% | 229,900 | Common | SOLE |
| 252828108 | DNTH | DIANTHUS THERAPEUTICS INC | $10.8M | 1.36% | 128,800 | Common | SOLE |
| 958102105 | WDC | WESTERN DIGITAL CORP | $10.2M | 1.28% | 37,717 | Common | SOLE |
| 023135106 | AMZN | AMAZON COM INC | $9.1M | 1.14% | 43,700 | Common | SOLE |
| 87305R109 | TTMI | TTM TECHNOLOGIES INC | $9.1M | 1.14% | 93,000 | Common | SOLE |
| 33829M101 | FIVE | FIVE BELOW INC | $9.0M | 1.13% | 39,480 | Common | SOLE |
| 231561101 | CW | CURTISS WRIGHT CORP | $8.9M | 1.11% | 13,000 | Common | SOLE |
| 40131M109 | GH | GUARDANT HEALTH INC | $8.4M | 1.06% | 91,000 | Common | SOLE |
| 58733R102 | MELI | MERCADOLIBRE INC | $7.8M | 0.98% | 4,510 | Common | SOLE |
| 03783C100 | APPF | APPFOLIO INC | $7.5M | 0.94% | 47,500 | Common | SOLE |
| 92189F106 | GDX | VANECK ETF TRUST | $7.3M | 0.92% | 80,000 | Common | SOLE |
| 91307C102 | UTHR | UNITED THERAPEUTICS CORP DEL | $7.3M | 0.92% | 12,350 | Common | SOLE |
| 485924104 | KRMN | KARMAN HLDGS INC | $7.2M | 0.91% | 90,500 | Common | SOLE |
| 31488V107 | FERG | FERGUSON ENTERPRISES INC | $6.8M | 0.86% | 29,300 | Common | SOLE |
| 74366E102 | PTGX | PROTAGONIST THERAPEUTICS INC | $6.5M | 0.82% | 62,100 | Common | SOLE |
| 184496107 | CLH | CLEAN HARBORS INC | $6.3M | 0.79% | 21,855 | Common | SOLE |
| 87422Q109 | TLN | TALEN ENERGY CORP | $5.9M | 0.74% | 18,490 | Common | SOLE |
| 45257U108 | IMNM | IMMUNOME INC | $5.7M | 0.72% | 262,900 | Common | SOLE |
| 30303M102 | META | META PLATFORMS INC | $5.7M | 0.72% | 10,000 | Common | SOLE |
| 23306J309 | DBVT | DBV TECHNOLOGIES S A | $5.7M | 0.71% | 271,300 | Common | SOLE |
| 773121108 | RKLB | ROCKET LAB CORP | $5.5M | 0.69% | 86,000 | Common | SOLE |
| 422806109 | HEI | HEICO CORP NEW | $5.3M | 0.66% | 19,265 | Common | SOLE |
| 82846H405 | QXO | QXO INC | $5.1M | 0.64% | 264,253 | Common | SOLE |
| 82982T106 | SITM | SITIME CORP | $5.1M | 0.64% | 14,805 | Common | SOLE |
| 458140100 | INTC | INTEL CORP | $4.4M | 0.55% | 1,000 | CALL | SOLE |
| 369604301 | GE | GE AEROSPACE | $4.4M | 0.55% | 15,510 | Common | SOLE |
| 04351P101 | ASNDUSD | ASCENDIS PHARMA A/S | $4.4M | 0.55% | 19,125 | Common | SOLE |
| 88339P101 | REAL | THE REALREAL INC | $4.1M | 0.51% | 451,055 | Common | SOLE |
| 880881107 | 430 | TERNS PHARMACEUTICALS INC | $3.8M | 0.48% | 720 | CALL | SOLE |
| 65487K100 | LASR | NLIGHT INC | $3.8M | 0.47% | 66,000 | Common | SOLE |
| 98420N105 | XENE | XENON PHARMACEUTICALS INC | $3.5M | 0.44% | 59,900 | Common | SOLE |
| G0896C103 | TBBB | BBB FOODS INC | $3.4M | 0.42% | 95,218 | Common | SOLE |
| 578784100 | MAZE | MAZE THERAPEUTICS INC | $3.3M | 0.42% | 111,500 | Common | SOLE |
| 00370M103 | ABVX | ABIVAX SA | $3.2M | 0.40% | 28,800 | Common | SOLE |
| 00404A109 | ACHC | ACADIA HEALTHCARE COMPANY IN | $2.9M | 0.36% | 122,600 | Common | SOLE |
| 93403J106 | WRBY | WARBY PARKER INC | $2.8M | 0.36% | 135,000 | Common | SOLE |
| 501147102 | KRYS | KRYSTAL BIOTECH INC | $2.7M | 0.34% | 10,625 | Common | SOLE |
| 10806X102 | BBIO | BRIDGEBIO PHARMA INC | $2.6M | 0.33% | 35,200 | Common | SOLE |
| 44812J104 | HUT | HUT 8 CORP | $2.3M | 0.29% | 49,300 | Common | SOLE |
| 422806208 | HEI/A | HEICO CORP NEW | $2.2M | 0.28% | 10,575 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.