Atika Capital Management LLC
Position in STX — Seagate Technology Holdings plc
CIK 1599731
NEW YORK, NY
Position in STX
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$77,069,725
+$56,110,566 QoQ
Shares Held
79,865
+49.3% QoQ
Ownership
0.035%
of shares outstanding
% of Portfolio
7.65%
of 13F equity value
Holder Rank
#176
of 1,934 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in STX Over Time
Shares Held
Position Value (USD)
Derivatives in STX
reported options exposure · as of Sep 30, 2025CallValue
$55,237
CallShares
234
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Computer Hardware
Technology · as of Jun 30, 2026Atika Capital Management LLC holds $94,670,052 across 3 Computer Hardware names. STX ranks #1 (81.4% of the industry book) .
All Filings in STX
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $77,069,725 | 79,865 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $20,959,159 | 53,500 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $14,294,667 | 51,907 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $55,237 | 234 | Call | Defined | 2025-11-13 | |
| 2025-09-30 | $27,877,740 | 118,096 | Shares | Defined | 2025-11-13 | |
| No filing history on record for this holder in this stock. | ||||||