OSTERWEIS CAPITAL MANAGEMENT INC
Position in GH — Guardant Health, Inc.
CIK 1007524
SAN FRANCISCO, CA
Position in GH
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$14,600,919
+$842,777 QoQ
Shares Held
97,320
-34.7% QoQ
Ownership
0.073%
of shares outstanding
% of Portfolio
0.79%
of 13F equity value
Holder Rank
#139
of 593 holders
Holding Since
Mar 2020
9 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, 2026OSTERWEIS CAPITAL MANAGEMENT INC holds $68,615,604 across 6 Diagnostics & Research names. GH ranks #2 (21.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
186,015 | $35,432,136 | |
| 2 | GH |
Guardant Health, Inc.
This page
|
97,320 | $14,600,919 | |
| 3 | TWST |
Twist Bioscience Corp
|
111,458 | $11,466,799 | |
| 4 | LH |
Labcorp Holdings Inc.
|
25,240 | $7,067,200 | |
| 5 | A |
Agilent Technologies, Inc.
|
324 | $43,036 | |
| 6 | TMO |
Thermo Fisher Scientific Inc.
|
11 | $5,514 |
All Filings in GH
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,600,919 | 97,320 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $13,758,142 | 148,946 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $13,884,503 | 135,936 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $13,433,887 | 215,011 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $12,506,044 | 240,316 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $12,633,924 | 296,571 | Shares | Sole | 2025-06-05 | |
| 2020-12-31 | $5,135,868 | 39,850 | Shares | Other | 2021-02-12 | |
| 2020-09-30 | $2,640,243 | 23,620 | Shares | Other | 2020-11-13 | |
| 2020-03-31 | $3,147,312 | 45,220 | Shares | Other | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||