T. Rowe Price Investment Management, Inc.
Position in BLLN — BillionToOne, Inc.
CIK 1897612
BALTIMORE, MD
Position in BLLN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$11,152,980
+$10,889,947 QoQ
Shares Held
92,957
+2792.3% QoQ
Ownership
0.197%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#31
of 156 holders
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BLLN Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026T. Rowe Price Investment Management, Inc. holds $7,246,348,599 across 15 Diagnostics & Research names. BLLN ranks #10 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVTY |
Revvity, Inc.
|
18,261,177 | $2,031,738,553 | |
| 2 | WAT |
Waters Corp /De/
|
3,817,779 | $1,431,819,836 | |
| 3 | DHR |
Danaher Corp /De/
|
6,919,744 | $1,318,072,837 | |
| 4 | A |
Agilent Technologies, Inc.
|
7,756,921 | $1,030,351,816 | |
| 5 | MTD |
Mettler Toledo International Inc/
|
694,424 | $887,133,604 | |
| 6 | NTRA |
Natera, Inc.
|
1,123,741 | $305,039,494 | |
| 7 | SHC |
Sotera Health Co
|
10,518,373 | $186,701,120 | |
| 8 | NEO |
Neogenomics Inc
|
1,216,358 | $17,746,663 |
All Filings in BLLN
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,152,980 | 92,957 | Shares | Sole | 2026-08-14 | |
| 2025-12-31 | $263,033 | 3,214 | Shares | Sole | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||