BillionToOne (BLLN)
Develops molecular diagnostics for prenatal screening and cancer treatment selection.
$116.04
vs last close−0.03 (−0.03%)
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13F · 13D/G · Form 4
| Institutions | ≈ 33.23% | 15.28M shares | |
|---|---|---|---|
| 164 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 0.00% | 700 shares | |
| 1 holder · as of Sep 21, 2026 | |||
| Other | ≈ 66.77% | 30.71M shares | |
| remainder | |||
46.00M company shares as of Aug 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
The share count has not been confirmed by a second filing; stakes use it as it stands.
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
13F, as of Jun 30, 2026
164 holders · 15.28M shares · 79 new positions · 130 increased · 13 reduced · 11 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Adams Street Partners LLC | 1.71M | 3.72% | 0 | Aug 14, 2026 |
| Price T Rowe Associates Inc /MD/ | 1.01M | 2.20% | +272.8K | Aug 14, 2026 |
| Baillie Gifford & Co | 901.4K | 1.96% | −358.6K | Aug 6, 2026 |
| Vanguard Portfolio Management LLC | 841.0K | 1.83% | +689.8K | Aug 13, 2026 |
| Invesco Ltd. | 835.6K | 1.82% | +429.1K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 799.5K | 1.74% | +617.0K | Aug 13, 2026 |
| Neuberger Berman Group LLC | 764.2K | 1.66% | +55.0K | Aug 13, 2026 |
| Bamco Inc /NY/ | 742.1K | 1.61% | +608 | Aug 14, 2026 |
13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 17, 2026 | Thomas P. Lynchofficer: See Remarks | Sale · 4 lots | 35,112 | $110.33 | 700 |
House and Senate disclosures
Not reported.