Position in WDC
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$7,978,251
-$936,558 QoQ
Shares Held
12,491
-62.1% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
1.42%
of 13F equity value
Holder Rank
#492
of 1,836 holders
Holding Since
Sep 2022
16 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Jun 30, 2026JOHN G ULLMAN & ASSOCIATES INC holds $9,996,320 across 3 Computer Hardware names. WDC ranks #1 (79.8% of the industry book) .
All Filings in WDC
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,978,251 | 12,491 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $8,914,809 | 32,958 | Shares | Sole | 2026-05-06 | |
| 2025-12-31 | $11,078,339 | 64,308 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $9,131,523 | 76,058 | Shares | Sole | 2025-11-05 | |
| 2025-06-30 | $5,921,826 | 92,543 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $4,067,702 | 100,611 | Shares | Sole | 2025-05-06 | |
| 2024-12-31 | $5,573,913 | 93,475 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $6,502,432 | 95,218 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $7,657,928 | 101,068 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $6,963,886 | 102,050 | Shares | Sole | 2024-05-06 | |
| 2023-12-31 | $5,433,390 | 103,750 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $3,634,429 | 79,650 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $2,048,220 | 54,000 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $2,282,804 | 60,600 | Shares | Sole | 2023-05-05 | |
| 2022-12-31 | $1,716,318 | 54,400 | Shares | Sole | 2023-02-08 | |
| 2022-09-30 | $1,773,976 | 54,500 | Shares | Sole | 2022-10-19 | |
| No filing history on record for this holder in this stock. | ||||||