Position in BLLN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$58,532,825
+$44,620,025 QoQ
Shares Held
741,485
+336.2% QoQ
Ownership
1.61%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#4
of 88 holders
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 96.28642890428323.ToString("F0")%
None 3.7135710957167722.ToString("F0")%
Common Shares in BLLN Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026BAMCO INC /NY/ holds $1,365,916,765 across 13 Diagnostics & Research names. BLLN ranks #3 (4.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
|
1,633,367 | $917,772,583 | |
| 2 | MTD |
Mettler Toledo International Inc/
|
133,639 | $168,545,506 | |
| 3 | BLLN |
BillionToOne, Inc.
This page
|
741,485 | $58,532,825 | |
| 4 | CDNA |
CareDx, Inc.
|
3,336,409 | $57,920,060 | |
| 5 | ICLR |
Icon PLC
|
426,805 | $47,230,241 | |
| 6 | RDNT |
RadNet, Inc.
|
810,066 | $45,274,588 | |
| 7 | ILMN |
Illumina, Inc.
|
219,359 | $27,038,190 | |
| 8 | VCYT |
Veracyte, Inc.
|
655,522 | $21,114,363 |
All Filings in BLLN
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $58,532,825 | 741,485 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $13,912,800 | 170,000 | Shares | Defined | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||