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

PACIFIC BIOSCIENCES OF CALIF (PACB) is widely held by institutional investors, with 214 firms reporting positions valued at approximately $320.29M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $54.33M in PACB holdings in its latest filing.

Recent insider activity includes 2 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.