Atika Capital Management LLC
Position in DFTX — Definium Therapeutics, Inc.
CIK 1599731
NEW YORK, NY
Position in DFTX
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$5,738,879
New position
Shares Held
122,000
first reported quarter
Ownership
0.091%
of shares outstanding
% of Portfolio
0.57%
of 13F equity value
Holder Rank
#92
of 358 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Biotechnology
Healthcare · as of Jun 30, 2026Atika Capital Management LLC holds $138,478,275 across 17 Biotechnology names. DFTX ranks #10 (4.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
88,000 | $16,480,639 | |
| 2 | ASND |
Ascendis Pharma A/S
|
61,000 | $16,269,919 | |
| 3 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
165,000 | $16,084,198 | |
| 4 | AXSM |
Axsome Therapeutics, Inc.
|
63,000 | $15,420,508 | |
| 5 | KYMR |
Kymera Therapeutics, Inc.
|
104,000 | $11,925,678 | |
| 6 | COGT |
Cogent Biosciences, Inc.
|
272,000 | $10,526,399 | |
| 7 | ORKA |
Oruka Therapeutics, Inc.
|
100,000 | $9,516,998 | |
| 8 | ROIV |
Roivant Sciences Ltd.
|
217,000 | $7,679,628 |
All Filings in DFTX
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,738,879 | 122,000 | Shares | Defined | 2026-08-13 | |
| No filing history on record for this holder in this stock. | ||||||