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NovaBridge Biosciences

NBP
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001778016

In the last 90 days, NovaBridge Biosciences insiders filed 0 open-market purchases and 4 sales; 49 institutions reported holding it in 13F filings for Q2 2026, worth $48.1M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.

Holders of 5% or more of NBP

Holders whose latest Schedule 13D or 13G filing reports 5% or more of NovaBridge Biosciences, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of NBP
HolderLatest formStakeChangeFirst filedLatest filingFiling
Everest Medicines Ltd13D16.10%42.5M sharesNewAug 5, 20251 filingAug 5, 2025SEC
CBC Investment I-Mab Ltd13D/A10.40%27.5M shares−7.50 ppfrom 17.90%Feb 5, 20252 filingsAug 7, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

4 Schedule 13D and 13G filings on NovaBridge Biosciences, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on NBP
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 7, 20254:57 PM ETCBC Investment I-Mab Ltdand 11 others13D/A10.40%27.5M shares−7.50 ppfrom 17.90%Aug 5, 2025SEC
Aug 5, 20254:00 PM ETEverest Medicines Ltd13D16.10%42.5M sharesNewAug 5, 2025SEC
Feb 5, 20258:09 PM ETCBC Investment I-Mab Ltdand 12 others13D17.90%33.6M sharesNewJan 29, 2025SEC
Feb 6, 20248:55 PM ETInfini Capital Management Ltd13G0.00%0 sharesNewBelow 5%Dec 31, 2023SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell NovaBridge Biosciences shares.

No Form 144 notices for NovaBridge Biosciences are on file.