Position in CSTL
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$429
-$12 QoQ
Shares Held
18
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#170
of 175 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in CSTL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Investors Portfolio Services LLC holds $52,734 across 7 Diagnostics & Research names. CSTL ranks #5 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
251 | $47,810 | |
| 2 | LH |
Labcorp Holdings Inc.
|
6 | $1,680 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
2 | $1,052 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
2 | $1,002 | |
| 5 | CSTL |
Castle Biosciences Inc
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|
18 | $429 | |
| 6 | FLGT |
Fulgent Genetics, Inc.
|
20 | $410 | |
| 7 | ILMN |
Illumina, Inc.
|
2 | $351 |
All Filings in CSTL
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $429 | 18 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $441 | 18 | Shares | Sole | 2026-05-14 | |
| No filing history on record for this holder in this stock. | ||||||