REGENERON PHARMACEUTICALS (REGN) Institutional Ownership and Insiders Activity
REGENERON PHARMACEUTICALS (REGN) is widely held by institutional investors, with 1320 firms reporting positions valued at approximately $55.81B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $5.68B in REGN holdings in its latest filing.
Recent insider activity includes 9 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
1,320
Total Reported Value
$55.81B
Largest Holder
Blackrock, Inc.
Largest Position
$5.68B
Insider Transactions (90d)
9
Latest Filing Quarter
Q3 2026
New Institutional Positions
0
Funds Exiting Positions
1,286
Top Institutional Owners
View all- Blackrock, Inc.$5.68B
- Vanguard Capital Management Llc$4.13B
- Dodge & Cox Stock Fund$3.04B
- State Street Corp$3.01B
- Invesco Ltd.$2.46B
REGN News
All news- Longleaf Partners Portfolio Update: Mason Hawkins' Investments in Q2 2026
Aug 17, 2026 · valut.ai
- Bronte Capital Management Pty Ltd Q2 2026 Portfolio Activity: Major Buys and Sells Observed
Aug 7, 2026 · valut.ai
- McDonald Capital Investors Inc CA: Portfolio Shifts in Q1 2026
Jul 30, 2026 · valut.ai
Related REGN Institutional Insights:
- REGN 13F Institutional Holders
- REGN Top Institutional Shareholders
- REGN Institutional Ownership Changes
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- REGN Insider Trading & SEC Form 4 Activity
- REGN Articles
- Top Institutional Investor Stock Rankings