REGENXBIO INC (RGNX) Institutional Ownership and Insiders Activity

REGENXBIO INC (RGNX) is widely held by institutional investors, with 161 firms reporting positions valued at approximately $504.60M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $76.64M in RGNX holdings in its latest filing.

Recent insider activity includes 12 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.