Position in WDC
as of Jun 30, 2026
· filed Jul 13, 2026
Position Value
$3,512,960
-$88,840 QoQ
Shares Held
5,500
-81.7% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.39%
of 13F equity value
Holder Rank
#215
of 920 holders
Holding Since
Jun 2021
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Derivatives in WDC
reported options exposure · as of Dec 31, 2024CallValue
$0
CallShares
10,000
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, 2026ARDSLEY ADVISORY PARTNERS LP holds $78,714,280 across 3 Computer Hardware names. WDC ranks #3 (4.5% of the industry book) .
All Filings in WDC
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,512,960 | 5,500 | Shares | Sole | 2026-07-13 | |
| 2025-09-30 | $3,601,800 | 30,000 | Shares | Sole | 2025-11-14 | |
| 2024-12-31 | — | 17,000 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | — | 10,000 | Call | Sole | 2025-02-14 | |
| 2024-06-30 | — | 72,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | — | 43,500 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | — | 11,500 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | — | 32,000 | Shares | Sole | 2023-11-14 | |
| 2022-09-30 | — | 60,000 | Call | Sole | 2022-11-14 | |
| 2021-12-31 | — | 9,000 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | — | 21,000 | Shares | Sole | 2022-02-14 | |
| 2021-06-30 | — | 175,000 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | — | 15,000 | Call | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||