PACIFIC BIOSCIENCES OF CALIF (PACB) Institutional Ownership and Insiders Activity

PACIFIC BIOSCIENCES OF CALIF (PACB) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $51.17M based on SEC Form 13F filings for the quarter ended March 31, 2026.

ARK Invest is the largest disclosed holder, reporting approximately $47.88M in PACB holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with ARK Invest representing the majority of disclosed value.