BillionToOne, Inc. (BLLN) Insider Ownership

Historic Insider Ownership Trends

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Ventures I, L.P. Neotribe 2,819,490 242,216 10 Nov, 2025
Krishna Kittu Kolluri 8,333 2,819,490 10 Nov, 2025
Firat Ileri 37,314 2,580,833 10 Nov, 2025
Bird Ventures Management Nv Humming 0 2,580,833 20 Jan, 2026
Akshay Rai 0 1,784,414 10 Nov, 2025
Thomas S Bremner 8,333 693,143 10 Nov, 2025
Shan Riku Sakakibara Chief Product Officer 220,000 0 12 Nov, 2025
Oguzhan Atay See Remarks 0 200,000 12 Nov, 2025
Bosch John Roderick Ten See Remarks 37,800 0 12 Nov, 2025
Nancy Joann Johnson See Remarks 35,900 0 12 Nov, 2025
Akshay Rai 13,509 0 12 Nov, 2025
Anthony Pagano 4,896 0 05 Jan, 2026
David Tsao Chief Technology Officer 1,000 0 12 Nov, 2025
Thomas P. Lynch See Remarks 700 0 12 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock A 640,727 - 640,727 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock A 18,845 - 18,845 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock A 2,015,118 - 2,015,118 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock A 2,451,665 - 2,631,664 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock A 2,580,833 - 2,580,833 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock D 640,727 - 0 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock D 18,845 - 0 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock D 2,015,118 - 0 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock D 2,631,664 - 0 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Common Stock D 2,580,833 - 0 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Class A Common Stock A 640,727 - 640,727 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Class A Common Stock A 18,845 - 18,845 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Class A Common Stock A 2,015,118 - 2,015,118 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Class A Common Stock A 2,631,664 - 2,631,664 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Class A Common Stock A 2,580,833 - 2,580,833 I J
07 Nov, 2025 Bird Ventures Management Nv Humming Series B-2 Convertible Preferred Stock D 640,727 - 0 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Series B-1 Convertible Preferred Stock D 18,845 - 0 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Series C Convertible Preferred Stock D 1,569,015 - 0 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Series D Convertible Preferred Stock D 446,103 - 0 I C
07 Nov, 2025 Bird Ventures Management Nv Humming Series A-1 Convertible Preferred Stock D 20,000 - 0 I C