Position in CSTL
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$13,000,658
-$1,498,596 QoQ
Shares Held
545,101
-7.7% QoQ
Ownership
1.78%
of shares outstanding
% of Portfolio
1.18%
of 13F equity value
Holder Rank
#15
of 176 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 76%
Shared 24%
None 0%
Common Shares in CSTL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026AIGH Capital Management LLC holds $51,277,954 across 3 Diagnostics & Research names. CSTL ranks #3 (25.4% of the industry book) .
All Filings in CSTL
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $13,000,658 | 545,101 | Shares | Other | 2026-08-07 | |
| 2026-03-31 | $14,499,254 | 590,601 | Shares | Other | 2026-04-30 | |
| 2025-12-31 | $24,301,568 | 624,719 | Shares | Other | 2026-02-02 | |
| 2025-09-30 | $16,104,924 | 707,287 | Shares | Other | 2025-10-31 | |
| No filing history on record for this holder in this stock. | ||||||