13F-HR filed by Atika Capital Management LLC
Atika Capital Management LLC filed this 13F-HR for the quarter ended 2025-12-31, filed 2026-02-13, with 77 holding rows worth $949,828,507.
- Accession
- 0001214659-26-001658
- Filer
- CIK 1599731
- Filed
- 2026-02-13
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q4 2025
A holdings report, 231 entries on the cover page, a total value of $949,828,507 stated on the cover page (in dollars after the unit check, H1), rows summing to $949,828,507 with VALUE read as dollars as filed, 13F file number 028-15941. The quarter's positions are built on this report. The resolved quarter.
Other managers
- included managerAtika Capital Partners LP028-16711
- included managerOptika Master Portfolio Ltd028-20128
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| SPDR SER TR | 78464A870 | S&P BIOTECH | 9,625 | $117,357,625 | dollars as filed | put |
| VERTIV HOLDINGS CO COM CL A | 92537N108 | Stock | 636,100 | $103,054,560 | dollars as filed | |
| Eli Lilly and Company | 532457108 | COM | 41,100 | $44,169,348 | dollars as filed | |
| ECHOSTAR CORP | 278768106 | CL A | 3,983 | $43,295,210 | dollars as filed | call |
| Intuitive Surgical,Inc. | 46120E602 | COM | 57,216 | $32,404,853 | dollars as filed | |
| iShares Russell 2000 ETF | 464287655 | SHS | 910 | $22,400,560 | dollars as filed | put |
| TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS | 881624209 | ADR | 717,000 | $22,377,569 | dollars as filed | |
| SHOPIFY INC | 82509L107 | CL A SUB VTG SHS | 124,000 | $19,960,280 | dollars as filed | |
| MADRIGAL PHARMACEUTICALS INC COM | 558868105 | Stock | 34,000 | $19,799,560 | dollars as filed | |
| BWX TECHNOLOGIES INC | 05605H100 | COM | 108,900 | $18,822,276 | dollars as filed | |
| Amazon.com, Inc | 023135106 | COM | 80,000 | $18,465,600 | dollars as filed | |
| COGENT BIOSCIENCES INC | 19240Q201 | COM | 506,000 | $17,973,119 | dollars as filed | |
| Netflix, Inc | 64110L106 | COM | 180,000 | $16,876,800 | dollars as filed | |
| TALEN ENERGY CORP COM | 87422Q109 | Stock | 42,100 | $15,780,764 | dollars as filed | |
| SEAGATE TECHNOLOGY HLDNGS | G7997R103 | ORD SHS | 51,907 | $14,294,669 | dollars as filed | |
| CIENA CORP COM NEW | 171779309 | Stock | 60,000 | $14,032,201 | dollars as filed | |
| ECHOSTAR CORP | 278768106 | CL A | 124,806 | $13,566,412 | dollars as filed | |
| Tesla Motors, Inc | 88160R101 | COM | 30,000 | $13,491,600 | dollars as filed | |
| INSMED INC COM PAR $.01 | 457669307 | Stock | 77,200 | $13,435,888 | dollars as filed | |
| Alphabet Inc. Reg. Shares C | 02079K107 | COM | 42,200 | $13,242,360 | dollars as filed | |
| TERNS PHARMACEUTICALS INC COM | 880881107 | Stock | 321,165 | $12,975,066 | dollars as filed | |
| MASTEC INC COM | 576323109 | Stock | 55,998 | $12,172,285 | dollars as filed | |
| MERCADOLIBREINC | 58733R102 | STOK | 5,947 | $11,978,805 | dollars as filed | |
| GUARDANT HEALTH INC COM | 40131M109 | Stock | 108,000 | $11,031,120 | dollars as filed | |
| CLOUDFLARE INC CL A COM | 18915M107 | Stock | 54,900 | $10,823,535 | dollars as filed | |
| FIVE BELOW INC COM | 33829M101 | Stock | 56,200 | $10,585,832 | dollars as filed | |
| DOORDASH INC CL A | 25809K105 | Stock | 46,000 | $10,418,080 | dollars as filed | |
| APPFOLIO INC | 03783C100 | COM CL A | 44,500 | $10,352,925 | dollars as filed | |
| AXSOME THERAPEUTICS INC. COM | 05464T104 | Stock | 55,500 | $10,136,520 | dollars as filed | |
| MONGODB INC CL A | 60937P106 | Stock | 22,326 | $9,369,999 | dollars as filed | |
| TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS | 881624209 | ADR | 3,000 | $9,363,000 | dollars as filed | call |
| THE REALREAL INC | 88339P101 | COM | 565,000 | $8,915,699 | dollars as filed | |
| HEICO CORP NEW COM | 422806109 | Stock | 26,300 | $8,510,417 | dollars as filed | |
| LEMONADEINC | 52567D107 | STOK | 113,917 | $8,108,612 | dollars as filed | |
| QXO INC COM NEW | 82846H405 | Stock | 420,000 | $8,101,801 | dollars as filed | |
| CARLISLE COS INC COM | 142339100 | Stock | 25,300 | $8,092,458 | dollars as filed | |
| General Electric Company | 369604301 | COM | 25,948 | $7,992,763 | dollars as filed | |
| ROBINHOOD MKTS INC | 770700102 | COM | 700 | $7,917,000 | dollars as filed | put |
| PROTAGONIST THERAPEUTICS | 74366E102 | COM | 86,000 | $7,511,240 | dollars as filed | |
| EMBRAER S.A. | 29082A107 | SPONSORED ADS | 115,930 | $7,462,414 | dollars as filed | |
| IShares Bitcoin Trust Registered | 46438F101 | SHS | 1,500 | $7,447,500 | dollars as filed | put |
| ABIVAX SA- | 00370M103 | SPONSORED ADS | 55,000 | $7,417,025 | dollars as filed | |
| IMMUNOME INC | 45257U108 | COM | 334,341 | $7,181,644 | dollars as filed | |
| TTM TECHNOLOGIES INC | 87305R109 | COM | 101,473 | $7,001,637 | dollars as filed | |
| ROKU INC COM CL A | 77543R102 | Stock | 61,000 | $6,617,890 | dollars as filed | |
| FERGUSON ENTERPRISES INC COMMON STOCK NEW | 31488V107 | Stock | 29,300 | $6,523,059 | dollars as filed | |
| RH | 74967X103 | COM | 35,000 | $6,270,250 | dollars as filed | |
| SHARKNINJA INC COM SHS | G8068L108 | Stock | 52,600 | $5,885,940 | dollars as filed | |
| ROBINHOOD MKTS INC | 770700102 | COM | 51,500 | $5,824,650 | dollars as filed | |
| DIANTHUS THERAPEUTICS INC | 252828108 | COM | 134,528 | $5,543,899 | dollars as filed | |
| CURTISS WRIGHT CORP COM | 231561101 | Stock | 9,882 | $5,447,651 | dollars as filed | |
| WARBY PARKER INC | 93403J106 | CL A COM | 248,971 | $5,425,078 | dollars as filed | |
| MEDLINE INC COM CL A | 58507V107 | Stock | 117,800 | $4,947,600 | dollars as filed | |
| FLOOR & DECOR HLDGS INC CL A | 339750101 | Stock | 800 | $4,871,200 | dollars as filed | call |
| RIVIAN AUTOMOTIVE INC COM CL A | 76954A103 | Stock | 2,420 | $4,769,820 | dollars as filed | call |
| BBB Foods Inc | G0896C103 | COM | 142,282 | $4,750,796 | dollars as filed | |
| FIGURE TECHNOLOGY SOLUTIO | 349381103 | COM CL A | 111,447 | $4,551,495 | dollars as filed | |
| BATH & BODY WORKS INC COM | 070830104 | Stock | 225,000 | $4,518,000 | dollars as filed | |
| ISHARES TR | 464287234 | MSCI EMG MKT ETF | 816 | $4,464,336 | dollars as filed | call |
| ASCENDIS PHARMA A/S DKK 1.0 AD | 04351P101 | SPONSORED ADR | 20,642 | $4,401,700 | dollars as filed | |
| ROCKETLABCORPCLASSCLASSA | 773121108 | STOK | 62,115 | $4,333,142 | dollars as filed | |
| EOS ENERGY ENTERPRISES INC COM CL A | 29415C101 | Stock | 3,720 | $4,263,120 | dollars as filed | call |
| XENON PHARMACEUTICALS INC COM | 98420N105 | Stock | 92,506 | $4,146,119 | dollars as filed | |
| ALNYLAM PHARMACEUTICALS INC COM | 02043Q107 | Stock | 10,339 | $4,111,303 | dollars as filed | |
| DBV TECHNOLOGIES S A | 23306J309 | SPONSORED ADS | 206,881 | $3,965,909 | dollars as filed | |
| KINIKSA PHARMACEUTICALS INTL P ORD SHS CL A | G52694109 | Stock | 93,970 | $3,876,263 | dollars as filed | |
| IONIS PHARMACEUTICALS INC COM | 462222100 | Stock | 47,488 | $3,756,776 | dollars as filed | |
| ABERCROMBIE & FITCH CO CL A | 002896207 | Stock | 29,000 | $3,650,230 | dollars as filed | |
| RAPT THERAPEUTICS INC | 75382E208 | COM NEW | 94,245 | $3,192,078 | dollars as filed | |
| APPLIED OPTOELECTRONICS INC | 03823U102 | COM | 87,657 | $3,055,722 | dollars as filed | |
| ROCKET COS INC | 77311W101 | COM CL A | 130,000 | $2,516,800 | dollars as filed | |
| MODERNA INC | 60770K107 | COM | 760 | $2,241,240 | dollars as filed | put |
| UNITY SOFTWARE INC COM | 91332U101 | Stock | 500 | $2,208,500 | dollars as filed | call |
| CECO ENVIRONMENTAL CORP | 125141101 | COM | 29,804 | $1,783,769 | dollars as filed | |
| CIDARA THERAPEUTICS INC | 171757206 | COM NEW | 49 | $1,082,361 | dollars as filed | call |
| CLEAN HARBORS INC COM | 184496107 | Stock | 3,000 | $703,440 | dollars as filed | |
| REDDIT INC CL A | 75734B100 | Stock | 2,000 | $459,740 | dollars as filed |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001214659-26-001658 | this filing | 2026-02-13 | acceptance time not in the bulk data set |