Position in PSNL
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$34,170,000
+$23,978,000 QoQ
Shares Held
2,550,000
+59.4% QoQ
Ownership
2.39%
of shares outstanding
% of Portfolio
1.71%
of 13F equity value
Holder Rank
#9
of 157 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PSNL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Casdin Capital, LLC holds $469,206,926 across 7 Diagnostics & Research names. PSNL ranks #3 (7.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WGS |
GeneDx Holdings Corp.
|
3,707,164 | $254,496,808 | |
| 2 | ILMN |
Illumina, Inc.
|
530,000 | $93,189,900 | |
| 3 | PSNL |
Personalis, Inc.
This page
|
2,550,000 | $34,170,000 | |
| 4 | GRAL |
GRAIL, Inc.
|
480,000 | $32,769,600 | |
| 5 | GH |
Guardant Health, Inc.
|
185,000 | $27,755,550 | |
| 6 | VCYT |
Veracyte, Inc.
|
276,308 | $16,227,568 | |
| 7 | DGX |
Quest Diagnostics Inc
|
50,000 | $10,597,500 |
All Filings in PSNL
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $34,170,000 | 2,550,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $10,192,000 | 1,600,000 | Shares | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||