Investor AH Bio Fund II, L.P.
13D/G Filings

This page shows a list of all the recent 13D/G filings made by AH Bio Fund II, L.P. . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2026-06-04 13D/A NAUT / Nautilus Biotechnology, Inc. 12,653,917
2023-11-17 13D/A EQRX / EQRx Inc 53,064,157 0
2021-12-27 13D EQRX / EQRx Inc 53,064,157
2021-06-30 13D / Nautilus Biotechnology Inc 17,653,917