HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in WAT — Waters Corp /De/
CIK 1535845
TORONTO, A6
Position in WAT
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$6,221,935
+$3,429,046 QoQ
Shares Held
20,893
+184.1% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $320,042,579 across 15 Diagnostics & Research names. WAT ranks #7 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
614,167 | $116,446,063 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
|
133,891 | $75,232,013 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
|
81,049 | $39,838,014 | |
| 4 | DGX |
Quest Diagnostics Inc
|
170,912 | $33,495,333 | |
| 5 | MTD |
Mettler Toledo International Inc/
|
24,278 | $30,619,413 | |
| 6 | A |
Agilent Technologies, Inc.
|
60,573 | $6,904,110 | |
| 7 | WAT |
Waters Corp /De/
This page
|
20,893 | $6,221,935 | |
| 8 | MEDP |
Medpace Holdings, Inc.
|
6,332 | $3,040,563 |
All Filings in WAT
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $6,221,935 | 20,893 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $2,792,889 | 7,353 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $13,413,799 | 44,741 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $828,271 | 2,373 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $260,947 | 708 | Shares | Sole | 2025-05-14 | |
| 2023-03-31 | $2,028,695 | 6,552 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $71,599 | 209 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $649,836 | 2,411 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $152,250 | 460 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $46,868 | 151 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $1,397,622 | 3,751 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $53,952 | 151 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $4,890,727 | 14,151 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $42,909 | 151 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $35,875 | 145 | Shares | Sole | 2021-03-01 | |
| 2020-03-31 | $127,435 | 700 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||