REGENERON PHARMACEUTICALS (REGN) Institutional Ownership

REGN is currently held by 6 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $3.79B based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Dodge & Cox Stock Fund, which reported ownership valued at approximately $3.44B in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Dodge & Cox Stock Fund's REGN position is now estimated to be worth approximately $2.76B, representing an estimated loss of -20.01% since the filing period.

Major shareholders tracked on this page include Dodge & Cox Stock Fund, Sound Shore Management, Longleaf Partners, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks 13F-reported ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward REGENERON PHARMACEUTICALS (REGN).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20266$3,791,611,8944,907,346
Q4 20257$3,895,413,8395,046,723
Q3 20257$2,924,625,7015,201,461
Q2 20257$2,185,248,1114,162,377
Q1 20256$1,668,604,6912,630,914
Q4 20244$1,840,661,0742,584,000
Q3 20245$2,722,837,0892,590,119
Q2 20244$2,646,740,4872,518,235
Q1 20244$2,290,429,2172,544,888
Q4 20234$2,105,922,4022,640,572
Q3 20234$1,976,831,7972,563,999
Q2 20234$1,744,540,6642,516,008

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