BillionToOne
BLLN · NASDAQ
$103.50+$2.47 (+2.44%)TodayMarket closed ·
Prev close $101.03
Who owns BLLN
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 46.1% of BLLN’s shares.
- Humming Bird Ventures Management NV17.1%
- NeoTribe Management Company, LLC7.6%
- Bremner (Thomas S.)4.2%
- Rai (Akshay)3.9%
- Next 6 largest institutions13.2%
- All other shareholders53.9%
| Holder | Shares | % of shares |
|---|---|---|
| Humming Bird Ventures Management NV | 7.89M | 17.15% |
| NeoTribe Management Company, LLC | 3.49M | 7.58% |
| Bremner (Thomas S.) | 1.94M | 4.22% |
| Rai (Akshay) | 1.79M | 3.90% |
| Adams Street Partners, LLC | 1.71M | 3.72% |
| T. Rowe Price Associates, Inc. | 1.00M | 2.18% |
| Baillie Gifford & Co. | 901.42K | 1.96% |
| Vanguard Portfolio Management, LLC | 840.97K | 1.83% |
| Invesco Advisers, Inc. | 835.61K | 1.82% |
| Vanguard Capital Management, LLC | 799.47K | 1.74% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 726.76K | 1.58% |
| Vanguard Small-Cap Index Fund | 524.08K | 1.14% |
| Invesco Discovery Fund | 487.50K | 1.06% |
| T. Rowe Price Health Sciences Fund | 377.57K | 0.82% |
| Baron Discovery Fund | 286.83K | 0.62% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $47.68M (166 trades) of BLLN on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Atay Oguzhan | Option exercise | 5.15K | $14.42K |
| Atay Oguzhan | Sale | 133 | $13.67K |
| Atay Oguzhan | Sale | 980 | $99.75K |
| Atay Oguzhan | Sale | 1.28K | $128.37K |
| Atay Oguzhan | Sale | 1.86K | $185.81K |
| Atay Oguzhan | Sale | 900 | $88.59K |
| Atay Oguzhan | Option exercise | 5.15K | $14.42K |
| Atay Oguzhan | Option exercise | 3.18K | $8.91K |
| Atay Oguzhan | Sale | 2.67K | $261.37K |
| Atay Oguzhan | Sale | 100 | $9.90K |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.82M
- Days to cover
- 3.88
- % of shares outstanding
- 6.13%
- Average daily volume
- 725.77K
- Change since last report
- +7.3%
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