Funds › Atika Capital Management LLC
Atika Capital Management LLC
13F for Q3 2026, filed Nov 13, 2026. 70 positions worth $1.2B.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
Latest report
Q3 2026
filed Nov 13, 2026
Reported value
$1.2B
−$288.3M (19.0%) vs Q2 2026
Positions
70
62 in Q2 2026
Top 10 share
46.2%
of reported value
CheckedEach line's price per share is checked against other managers' reports of the same stock. Unit mix-ups are corrected. Reports no fix can rescue are left out.
Clean
prices match other managers' reports
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Holdings, Q3 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | VRT Vertiv Holdings Co | 666,100 | $160.7M | 13.0% | Unchanged | 13F ↗ |
| 2 | AMD Advanced Micro Devices, Inc. | 133,600 | $81.7M | 6.6% | +39.9% | 13F ↗ |
| 3 | STX Seagate Technology Holdings PLC | 78,795 | $72.7M | 5.9% | -1.3% | 13F ↗ |
| 4 | LLY Eli Lilly and Company | 47,100 | $54.5M | 4.4% | +14.6% | 13F ↗ |
| 5 | INTC Intel Corporation | 369,613 | $44.4M | 3.6% | +40.0% | 13F ↗ |
| 6 | GH Guardant Health, Inc. | 203,000 | $36.2M | 2.9% | +12.2% | 13F ↗ |
| 7 | ISRG Intuitive Surgical, Inc. | 87,216 | $35.5M | 2.9% | +52.4% | 13F ↗ |
| 8 | SITM SiTime Corporation | 50,000 | $32.6M | 2.6% | +233% | 13F ↗ |
| 9 | ECHO EchoStar Corporation | 343,400 | $30.7M | 2.5% | +3.6% | 13F ↗ |
| 10 | AMZN Amazon.com, Inc. | 85,000 | $21.2M | 1.7% | +93.2% | 13F ↗ |
| 11 | CIEN Ciena Corporation | 54,026 | $19.0M | 1.5% | +10.8% | 13F ↗ |
| 12 | TWST Twist Bioscience Corporation | 89,000 | $17.2M | 1.4% | -17.6% | 13F ↗ |
| 13 | META Meta Platforms, Inc. | 22,500 | $16.3M | 1.3% | New | 13F ↗ |
| 14 | TBBB BBB Foods Inc. | 284,000 | $14.9M | 1.2% | +13.6% | 13F ↗ |
| 15 | TXG 10x Genomics, Inc. | 160,000 | $14.5M | 1.2% | New | 13F ↗ |
| 16 | SHOP Shopify Inc. | 94,500 | $14.0M | 1.1% | New | 13F ↗ |
| 17 | FIVE Five Below, Inc. | 63,000 | $13.8M | 1.1% | +57.5% | 13F ↗ |
| 18 | RVMD Revolution Medicines, Inc. | 63,000 | $12.9M | 1.0% | -28.4% | 13F ↗ |
| 19 | TSM Taiwan Semiconductor Manufacturing Company Ltd. | 28,000 | $12.8M | 1.0% | New | 13F ↗ |
| 20 | NFLX Netflix, Inc. | 180,000 | $12.5M | 1.0% | Unchanged | 13F ↗ |
| 21 | CRL Charles River Laboratories International, Inc. | 42,000 | $12.4M | 1.0% | +10.5% | 13F ↗ |
| 22 | HOOD Robinhood Markets, Inc. | 108,000 | $12.2M | 1.0% | New | 13F ↗ |
| 23 | TEVA Teva Pharmaceutical Industries Limited | 290,000 | $11.5M | 0.9% | New | 13F ↗ |
| 24 | SN SharkNinja, Inc. | 60,000 | $10.8M | 0.9% | -31.8% | 13F ↗ |
| 25 | MRK Merck & Company, Inc. | 72,000 | $10.5M | 0.8% | New | 13F ↗ |
| 26 | NET Cloudflare, Inc. | 28,000 | $9.7M | 0.8% | New | 13F ↗ |
| 27 | APPF AppFolio, Inc. | 47,500 | $9.5M | 0.8% | Unchanged | 13F ↗ |
| 28 | USO United States Oil Fund | 62,000 | $9.0M | 0.7% | New | 13F ↗ |
| 29 | MTZ MasTec, Inc. | 42,000 | $9.0M | 0.7% | +18.3% | 13F ↗ |
| 30 | DASH DoorDash, Inc. | 48,000 | $8.8M | 0.7% | New | 13F ↗ |
| 31 | BE Bloom Energy Corporation | 31,500 | $8.7M | 0.7% | New | 13F ↗ |
| 32 | MANE Veradermics, Incorporated | 70,500 | $8.5M | 0.7% | +488% | 13F ↗ |
| 33 | DNTH Dianthus Therapeutics, Inc. | 97,000 | $8.5M | 0.7% | -41.2% | 13F ↗ |
| 34 | ROIV Roivant Sciences Ltd. | 225,000 | $8.2M | 0.7% | +3.7% | 13F ↗ |
| 35 | RKLB Rocket Lab Corporation | 118,000 | $8.2M | 0.7% | -30.2% | 13F ↗ |
| 36 | VPG Vishay Precision Group, Inc. | 113,000 | $8.2M | 0.7% | -4.2% | 13F ↗ |
| 37 | SDGR Schrodinger, Inc. | 247,500 | $7.7M | 0.6% | New | 13F ↗ |
| 38 | VKTX Viking Therapeutics, Inc. | 230,000 | $7.5M | 0.6% | New | 13F ↗ |
| 39 | BWXT BWX Technologies, Inc. | 54,000 | $7.4M | 0.6% | Unchanged | 13F ↗ |
| 40 | FERG Ferguson Enterprises Inc. | 29,300 | $6.5M | 0.5% | Unchanged | 13F ↗ |
| 41 | UTHR United Therapeutics Corporation | 12,000 | $6.5M | 0.5% | New | 13F ↗ |
| 42 | GTLB GitLab Inc. | 135,000 | $6.4M | 0.5% | New | 13F ↗ |
| 43 | BOX Box, Inc. | 190,000 | $6.4M | 0.5% | New | 13F ↗ |
| 44 | Listed Fds Tr Roun Ma Seve Etf | 88,000 | $6.3M | 0.5% | New | 13F ↗ |
| 45 | PTGX Protagonist Therapeutics, Inc. | 44,000 | $6.2M | 0.5% | -29.1% | 13F ↗ |
| 46 | ULCC Frontier Group Holdings, Inc. | 1.02M | $6.1M | 0.5% | New | 13F ↗ |
| 47 | COGT Cogent Biosciences, Inc. | 172,000 | $5.5M | 0.4% | -36.8% | 13F ↗ |
| 48 | FROG JFrog Ltd. | 55,000 | $5.3M | 0.4% | New | 13F ↗ |
| 49 | SNOW Snowflake Inc. | 15,600 | $5.3M | 0.4% | New | 13F ↗ |
| 50 | KYMR Kymera Therapeutics, Inc. | 45,000 | $5.0M | 0.4% | -56.7% | 13F ↗ |
Showing the top 50 of 70 positions. Premium lists every position, plus puts and calls.
Changes since Q2 2026
34 new, 16 added to, 13 trimmed, 26 exited, 7 unchanged. By estimated dollars.
New positions (34)
| META Meta Platforms, Inc. | 22,500 | New | $16.3M |
| TXG 10x Genomics, Inc. | 160,000 | New | $14.5M |
| SHOP Shopify Inc. | 94,500 | New | $14.0M |
| TSM Taiwan Semiconductor Manufacturing Company Ltd. | 28,000 | New | $12.8M |
| HOOD Robinhood Markets, Inc. | 108,000 | New | $12.2M |
| TEVA Teva Pharmaceutical Industries Limited | 290,000 | New | $11.5M |
| MRK Merck & Company, Inc. | 72,000 | New | $10.5M |
| NET Cloudflare, Inc. | 28,000 | New | $9.7M |
| USO United States Oil Fund | 62,000 | New | $9.0M |
| DASH DoorDash, Inc. | 48,000 | New | $8.8M |
Added to (16)
| AMD Advanced Micro Devices, Inc. | 133,600 | +39.9% | $23.3M |
| SITM SiTime Corporation | 50,000 | +233% | $22.8M |
| INTC Intel Corporation | 369,613 | +40.0% | $12.7M |
| ISRG Intuitive Surgical, Inc. | 87,216 | +52.4% | $12.2M |
| AMZN Amazon.com, Inc. | 85,000 | +93.2% | $10.2M |
| MANE Veradermics, Incorporated | 70,500 | +488% | $7.1M |
| LLY Eli Lilly and Company | 47,100 | +14.6% | $6.9M |
| FIVE Five Below, Inc. | 63,000 | +57.5% | $5.1M |
| GH Guardant Health, Inc. | 203,000 | +12.2% | $3.9M |
| CIEN Ciena Corporation | 54,026 | +10.8% | $1.8M |
Trimmed (13)
| KYMR Kymera Therapeutics, Inc. | 45,000 | -56.7% | -$6.6M |
| DNTH Dianthus Therapeutics, Inc. | 97,000 | -41.2% | -$6.0M |
| RVMD Revolution Medicines, Inc. | 63,000 | -28.4% | -$5.1M |
| SN SharkNinja, Inc. | 60,000 | -31.8% | -$5.0M |
| CW Curtiss-Wright Corporation | 8,000 | -50.0% | -$4.4M |
| TWST Twist Bioscience Corporation | 89,000 | -17.6% | -$3.7M |
| REAL The RealReal, Inc. | 533,000 | -43.3% | -$3.6M |
| RKLB Rocket Lab Corporation | 118,000 | -30.2% | -$3.6M |
| COGT Cogent Biosciences, Inc. | 172,000 | -36.8% | -$3.2M |
| PTGX Protagonist Therapeutics, Inc. | 44,000 | -29.1% | -$2.6M |
Exited (26)
| MRVL Marvell Technology, Inc. | 58,000 | Exited | -$17.3M |
| WDC Western Digital Corporation | 26,477 | Exited | -$16.9M |
| ASND Ascendis Pharma A/S | 61,000 | Exited | -$16.3M |
| AXSM Axsome Therapeutics, Inc. | 63,000 | Exited | -$15.4M |
| Teva Pharmaceutical Industries Ltd ADR | 440,000 | Exited | -$14.9M |
| AXGN Axogen, Inc. | 221,000 | Exited | -$10.2M |
| NOK Nokia Corporation Sponsored · ADR | 750,000 | Exited | -$10.0M |
| ORKA Oruka Therapeutics, Inc. | 100,000 | Exited | -$9.5M |
| TTMI TTM Technologies, Inc. | 50,000 | Exited | -$9.4M |
| ACMR ACM Research, Inc. | 63,000 | Exited | -$8.0M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
All positions
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q3 2026.
Filings
| Filing | ||||||
|---|---|---|---|---|---|---|
| Q3 2026 | Nov 13, 2026 | 13F-HR | 87 | $1.2B | Current | SEC ↗ |
| Q2 2026 | Aug 13, 2026 | 13F-HR | 81 | $1.5B | Current | SEC ↗ |
| Q1 2026 | May 14, 2026 | 13F-HR | 60 | $796.4M | Current | SEC ↗ |
| Q4 2025 | Feb 13, 2026 | 13F-HR | 77 | $949.8M | Current | SEC ↗ |
| Q3 2025 | Nov 13, 2025 | 13F-HR | 86 | $1.2B | Current | SEC ↗ |
| Q2 2025 | Aug 13, 2025 | 13F-HR | 63 | $1000.0M | Current | SEC ↗ |
| Q1 2025 | May 14, 2025 | 13F-HR | 62 | $711.1M | Current | SEC ↗ |
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer