CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in PSNL — Personalis, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in PSNL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$921,267
-$337,766 QoQ
Shares Held
144,626
-8.6% QoQ
Ownership
0.138%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 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 Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $4,743,797,769 across 32 Diagnostics & Research names. PSNL ranks #32 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
2,934,842 | $1,442,562,888 | |
| 2 | DHR |
Danaher Corp /De/
|
4,734,898 | $897,736,660 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
610,217 | $342,874,830 | |
| 4 | IQV |
Iqvia Holdings Inc.
|
1,412,147 | $240,827,549 | |
| 5 | WAT |
Waters Corp /De/
|
772,524 | $230,057,646 | |
| 6 | A |
Agilent Technologies, Inc.
|
1,904,308 | $217,053,025 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
161,665 | $203,891,898 | |
| 8 | LH |
Labcorp Holdings Inc.
|
646,135 | $172,395,279 |
All Filings in PSNL
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $921,267 | 144,626 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,259,033 | 158,170 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $1,031,085 | 158,142 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $1,043,971 | 159,142 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $80,529 | 22,943 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $132,598 | 22,941 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $123,422 | 22,941 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $26,840 | 22,941 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $34,182 | 22,941 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $48,176 | 22,941 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $27,758 | 22,941 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $43,129 | 22,941 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $63,317 | 22,941 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $45,423 | 22,941 | Shares | Sole | 2023-02-13 | |
| 2022-06-30 | $537,613 | 155,830 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $2,146,975 | 262,146 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $3,636,952 | 254,867 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $4,806,171 | 249,801 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $5,195,936 | 205,373 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $4,546,672 | 184,749 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $5,653,828 | 154,434 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $3,276,547 | 151,202 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $1,070,997 | 82,575 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $577,868 | 71,607 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||