REGNRegeneron Pharmaceuticals

$814.96

Who owns REGN

1,358 institutions reported holding REGN for 2026Q1, together 81% of the company, more than the 1,353 a quarter earlier.

1,358

Institutions reporting a position · as of 2026Q1 · up from 1,353 the quarter before

Shares held by institutions
87.6M

Shares held by institutions · 81% of the company · long US equity positions only, as reported on Form 13F

Reported value
$67.5B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
30%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
126
Positions exited
126
Added to
506
Reduced
415
Top 10 holdersof the company
40%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q11,35887.6M$67.5B
2025Q41,35388.9M$68.6B
2025Q31,22586.9M$48.8B
2025Q21,17989.1M$46.8B
2025Q11,26192.8M$58.9B
2024Q41,28893.3M$66.5B
2024Q31,36793.7M$97.2B
2024Q21,31393.9M$98.6B
2024Q11,28493.1M$89.2B
2023Q41,24991.3M$80.2B
2023Q31,15291.0M$74.9B
2023Q21,14392.4M$66.1B
2023Q11,17298.9M$76.0B
2022Q41,13993.9M$66.7B
2022Q31,06292.7M$63.9B
2022Q21,04493.0M$54.9B
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC9.4M8.7%$7.27B
BlackRock Inc.8.9M8.3%$6.91B
STATE STREET CORP4.7M4.3%$3.60B
Dodge & Cox4.5M4.1%$3.44B
JPMORGAN CHASE & CO4.3M4.0%$3.23B
FRANKLIN RESOURCES INC2.7M2.5%$2.10B
GEODE CAPITAL MANAGEMENT LLC2.6M2.4%$2.01B
PRICE T ROWE ASSOCIATES INC /MD/2.2M2.0%$1.68B
Nuveen Asset Management, LLC2.1M1.9%$1.60B
LOOMIS SAYLES & CO L P1.9M1.8%$1.48B

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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