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RE

Regeneron Pharmaceuticals, Inc. (REGN) short interest & options flow

NASDAQ

Regeneron Pharmaceuticals rose 15.3% over the past week to $927.89, a move that left most of its closest biotech peers well behind: GILD gained 9.4%, VRTX 6.7%, and AMGN 6.1%, while KNSA was the only peer to come close, adding 20.2% on its own separate catalyst. The Q3 earnings release on October 30 was clearly the trigger, and…

Latest pulse15 Oct 2026

REGN upgraded to Buy by UBS with $978 price target, implying 26% upside from $778 close.

$919.96+1.73% 1d-4.30% 1w+23.23% 1mClose: 9 Nov 2026
Short interest % of float
Low
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Cost to borrow
Low
Live CTB on ORTEX →
Availability
High
Live availability on ORTEX →
Market cap
$92.32B
Next earnings
1 Feb 2027
See the full picture on ORTEX →Live short interest, options flow, signals, 13F filings, and more.

Key data as of 10 Nov 2026

ORTEX chart of Regeneron Pharmaceuticals, Inc. (REGN) share price and short interest (% of free float), six months to November 9, 2026

Latest signals on REGN

  • Analyst

    REGN upgraded to Buy by UBS with $978 price target, implying 26% upside from $778 close.

  • Cost to Borrow

    REGN cost to borrow surges to 0.44%, up 237% in one week.

REGN news and analysis

RSS
ConfluenceREGN

UBS Upgrades REGN to Buy as Shorts Retreat Before Earnings

Regeneron Pharmaceuticals picked up a meaningful endorsement from UBS on October 15. The upgrade arrived as short sellers have been quietly pulling back, and with Q3 earnings just 15 days away. UBS analyst Trung Huynh…

1 min read
Trader NoteREGN

REGN Options Flash Caution as Analysts Race to Catch Up

Regeneron Pharmaceuticals heads into the final weeks of summer with a 20% one-month rally behind it and options traders turning noticeably more defensive — the sharpest tension in the setup right now. The clearest…

1 min read

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