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REGN US Equity

Regeneron Pharmaceuticals, Inc.Health Care · Pharmaceutical Preparations · CIK 872589 · FY ends Dec 31
$840.84
+30.60 (+3.78%)
USD · as of 2026-08-19 · marketstack

Short interest· FINRA consolidated · settlement 2026-07-31

6 settlement cycles
Shares short3.4M
% of shares out3.6%
Days to cover3.9
Δ vs 2026-07-15-3.3%
▲ 3.5M shares shortline top = 4.7d to cover2026-05-15: 2.8M short · 3.6d to cover2026-052026-05-29: 3.0M short · 2.0d to cover2026-052026-06-15: 3.3M short · 3.4d to cover2026-062026-06-30: 3.5M short · 2.9d to cover2026-062026-07-15: 3.5M short · 4.7d to cover2026-072026-07-31: 3.4M short · 3.9d to cover2026-07

bars = shares short · line = days to cover (own scale)

SettlementShares shortΔ vs priorAvg daily volumeDays to cover
2026-07-313,385,841-3.3%858,6623.9
2026-07-153,501,203+0.2%741,2244.7
2026-06-303,494,420+5.8%1,199,8402.9
2026-06-153,304,329+10.1%968,6903.4
2026-05-293,001,968+8.0%1,532,4322.0
2026-05-152,780,809-15.0%764,0413.6

FINRA Rule 4560 · twice monthly, published ~a week later.

Output of a disclosed model — assumptions may be wrong. Research, not investment advice. See the Disclaimer.