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RGEN US Equity

Repligen CorpHealth Care · Biological Products, (No Diagnostic Substances) · CIK 730272 · FY ends Dec 31
$176.36
+10.21 (+6.15%)
USD · as of 2026-08-19 · marketstack

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

6 settlement cycles
Shares short6.1M
% of shares out10.9%
Days to cover3.9
Δ vs 2026-07-15+5.5%
▲ 6.1M shares shortline top = 7.9d to cover2026-05-15: 5.7M short · 3.9d to cover2026-052026-05-29: 6.0M short · 4.9d to cover2026-052026-06-15: 5.7M short · 6.4d to cover2026-062026-06-30: 6.0M short · 4.7d to cover2026-062026-07-15: 5.8M short · 7.9d to cover2026-072026-07-31: 6.1M short · 3.9d to cover2026-07

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

SettlementShares shortΔ vs priorAvg daily volumeDays to cover
2026-07-316,132,499+5.5%1,561,2303.9
2026-07-155,811,745-3.9%732,4477.9
2026-06-306,048,812+5.6%1,299,5244.7
2026-06-155,726,265-4.0%900,2716.4
2026-05-295,962,038+4.7%1,218,4614.9
2026-05-155,695,614+3.5%1,471,5583.9

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.