John Maraganore – Startup Investor Profile

General Info

Chief Executive Officer & Director at Alnylam Pharmaceuticals.
Location: Boston
Country:
Industries:
Investment Regions:
Investment Stages: late-stage, pre-seed, seed, series-a
Website:

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🤖 AI Activity Report

Status: very-active

AI Reasoning: Found a recent investment/launch: City Therapeutics raised $135M Series A led by John Maraganore on Oct 8, 2024. That date is less than 6 months before Nov 1, 2025? Wait calculate: From Oct 8, 2024 to Nov 1, 2025 is 388 days >6 months. But also found board appointment June 11, 2025 (Instil Bio) which is within 6 months before Nov 1, 2025 (about 4.7 months). The June 11, 2025 activity indicates recent investment/board involvement with Axion Bio/Instil Bio. The invested startup named City Therapeutics (and board role at Instil Bio/Axion Bio) supports classification as very-active.

Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.

Warm Intros from Portfolio Companies


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