Callan Family Office, LLC
Family OfficePosition in GH — Guardant Health, Inc.
CIK 1938970
RADNOR, PA
Position in GH
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$912,182
+$579,650 QoQ
Shares Held
6,080
+68.9% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#324
of 594 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GH Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Callan Family Office, LLC holds $27,416,772 across 17 Diagnostics & Research names. GH ranks #10 (3.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
16,644 | $8,344,635 | |
| 2 | DHR |
Danaher Corp /De/
|
20,031 | $3,815,504 | |
| 3 | A |
Agilent Technologies, Inc.
|
16,725 | $2,221,581 | |
| 4 | IDXX |
Idexx Laboratories Inc /De
|
3,531 | $1,858,859 | |
| 5 | ILMN |
Illumina, Inc.
|
10,254 | $1,802,960 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
9,044 | $1,747,481 | |
| 7 | DGX |
Quest Diagnostics Inc
|
5,868 | $1,243,722 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
902 | $1,152,314 |
All Filings in GH
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $912,182 | 6,080 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $332,532 | 3,600 | Shares | Sole | 2026-05-13 | |
| No filing history on record for this holder in this stock. | ||||||