HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in DGX — Quest Diagnostics Inc
CIK 1535845
TORONTO, A6
Position in DGX
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$24,569,455
-$8,925,878 QoQ
Shares Held
115,921
-32.2% QoQ
Ownership
0.105%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#101
of 1,090 holders
Holding Since
Sep 2020
15 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DGX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $260,067,258 across 15 Diagnostics & Research names. DGX ranks #4 (9.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
471,859 | $89,879,702 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
110,138 | $55,218,787 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
96,055 | $50,567,194 | |
| 4 | DGX |
Quest Diagnostics Inc
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|
115,921 | $24,569,455 | |
| 5 | BLLN |
BillionToOne, Inc.
|
83,300 | $9,994,334 | |
| 6 | WGS |
GeneDx Holdings Corp.
|
141,500 | $9,713,975 | |
| 7 | WAT |
Waters Corp /De/
|
16,896 | $6,336,675 | |
| 8 | A |
Agilent Technologies, Inc.
|
47,668 | $6,331,740 |
All Filings in DGX
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $24,569,455 | 115,921 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $33,495,333 | 170,912 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $29,221,931 | 168,397 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $843,697 | 4,427 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $799,892 | 4,453 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $223,851 | 1,323 | Shares | Sole | 2025-05-14 | |
| 2022-12-31 | $508,430 | 3,250 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $721,171 | 5,878 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,534,066 | 19,056 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $947,208 | 6,921 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $1,101,208 | 6,365 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $10,026 | 69 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $9,105 | 69 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $2,554,607 | 19,905 | Shares | Sole | 2021-05-13 | |
| 2020-09-30 | $130,060 | 1,136 | Shares | Sole | 2021-03-01 | |
| No filing history on record for this holder in this stock. | ||||||