CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in WAT — Waters Corp /De/
CIK 884546
SAN FRANCISCO, CA
Position in WAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$230,057,646
+$57,893,242 QoQ
Shares Held
772,524
+70.4% QoQ
Ownership
0.787%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.97462861995226.ToString("F0")%
Shared 0.ToString("F0")%
None 0.025371380047739613.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $4,755,724,319 across 32 Diagnostics & Research names. WAT ranks #5 (4.8% 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/
This page
|
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 WAT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $230,057,646 | 772,524 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $172,164,404 | 453,267 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $136,199,185 | 454,285 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $150,970,271 | 432,530 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $151,973,205 | 412,332 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $147,845,546 | 398,527 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $138,428,449 | 384,641 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $109,310,253 | 376,776 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $127,156,840 | 369,395 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $117,619,722 | 357,257 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $94,373,210 | 344,164 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $96,375,533 | 361,580 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $116,043,750 | 374,782 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $126,507,257 | 369,278 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $96,797,117 | 359,133 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $108,467,772 | 327,717 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $101,146,168 | 325,868 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $116,461,346 | 312,564 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $108,573,465 | 303,872 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $104,242,196 | 301,618 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $82,903,187 | 291,738 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $67,057,005 | 271,025 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $52,903,457 | 270,357 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $51,820,260 | 287,252 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $53,718,585 | 295,076 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||