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RG

Repligen Corporation (RGEN) short interest & options flow

NASDAQ

Repligen Corporation is the laggard in its peer group this week, dropping 1.7% while the median of its closest correlated names gained 6.9%, and that gap opens up into a quarterly earnings release scheduled for Wednesday afternoon. Among the most correlated peers, Charles River Laboratories rose nearly 14% on the week and Tempus AI added 8%…

$173.98-2.77% 1d-2.41% 1w+0.06% 1mClose: 10 Nov 2026
Short interest % of float
High
Live SI on ORTEX →
Cost to borrow
Low
Live CTB on ORTEX →
Market cap
$11.03B
Next earnings
18 Feb 2027
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Key data as of 12 Nov 2026

ORTEX chart of Repligen Corporation (RGEN) share price and short interest (% of free float), six months to November 10, 2026

RGEN news and analysis

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