HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in BLLN — BillionToOne, Inc.
CIK 1535845
TORONTO, A6
Position in BLLN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$9,994,334
New position
Shares Held
83,300
first reported quarter
Ownership
0.177%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#35
of 156 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
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. BLLN ranks #5 (3.8% 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
|
115,921 | $24,569,455 | |
| 5 | BLLN |
BillionToOne, Inc.
This page
|
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 BLLN
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $9,994,334 | 83,300 | Shares | Sole | 2026-08-13 | |
| No filing history on record for this holder in this stock. | ||||||