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BLLN

BillionToOne, Inc.

NASDAQ · Healthcare · Medical - Diagnostics & Research · US

$103.78
+2.72%
Ask drillr
0
Insider buys (3m)
35
Insider sells (3m)
-$11.2M
Net value (3m)
-19.4%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Oct 19, 2026Lynch Thomas P. · officer: See RemarksM-Exempt2,000$8.65
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale900$98
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOM-Exempt5,150$2.80
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale100$99
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale3,083$98
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOM-Exempt3,183$2.80
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale1,861$100
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale2,667$98
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale133$103
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale980$102
Oct 16, 2026Atay Oguzhan · director, officer: Chairman and CEOSale1,276$101
Oct 14, 2026Atay Oguzhan · director, officer: Chairman and CEOSale1,961$92
Oct 14, 2026Atay Oguzhan · director, officer: Chairman and CEOSale6,763$94
Oct 14, 2026Atay Oguzhan · director, officer: Chairman and CEOSale2,667$98
Oct 14, 2026Atay Oguzhan · director, officer: Chairman and CEOSale1,521$96
Oct 14, 2026Atay Oguzhan · director, officer: Chairman and CEOSale3,869$95
Oct 14, 2026Atay Oguzhan · director, officer: Chairman and CEOSale2,553$93
Oct 14, 2026Atay Oguzhan · director, officer: Chairman and CEOM-Exempt16,667$2.80
Oct 13, 2026Lynch Thomas P. · officer: See RemarksM-Exempt8,000$8.65
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale400$106
Oct 7, 2026ten Bosch John Roderick · officer: SVP of Laboratory OperationsSale1,417$105
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerM-Exempt10,000$2.80
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale866$106
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale1,909$107
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale4,284$108
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale2,921$109
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale20$110
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale555$106
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale2,200$107
Oct 7, 2026Tsao David · director, officer: Chief Technology OfficerSale4,916$109
Institutional positioning

13F filings over the trailing two quarters

New 106Increased 82Reduced 28Sold out 20
FilerActionSharesFiled
ADAMS STREET PARTNERS LLCUnchanged1,711,430May 15, 2026
ADAMS STREET PARTNERS LLCUnchanged1,711,430Aug 14, 2026
BAILLIE GIFFORD & COReduced1,259,993May 8, 2026
Civilization Ventures Management, LLCUnchanged1,099,431May 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased1,010,322Aug 14, 2026
BAILLIE GIFFORD & COReduced901,420Aug 6, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCIncreased840,970Aug 13, 2026
Invesco Ltd.Increased835,614Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased799,468Aug 13, 2026
Neuberger Berman Group LLCIncreased764,215Aug 13, 2026
BAMCO INC /NY/Increased742,093Aug 14, 2026
BAMCO INC /NY/Increased741,485May 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased737,518May 15, 2026
NEUBERGER BERMAN GROUP LLCIncreased709,214May 14, 2026
WASATCH ADVISORS LPIncreased518,084Jul 10, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 19, 2026