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Zenas BioPharma, Inc. (ZBIO) short interest & options flow

NASDAQ

Zenas BioPharma is trading at a sharp discount to where its own analysts think it should be, and this week's 19% price drop has made that gap wider, not narrower. The most striking development came on the final day of the quarter. Citigroup's Yigal Nochomovitz raised his price target on ZBIO to $48 from $41 while maintaining a Buy rating, a vote of confidence delivered into a…

$28.57+1.10% 1d+3.44% 1w+4.81% 1mClose: 9 Nov 2026
Short interest % of float
High
Live SI on ORTEX →
Cost to borrow
Rising
Live CTB on ORTEX →
Market cap
$1.94B
Next earnings
12 Nov 2026
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 Zenas BioPharma, Inc. (ZBIO) share price and short interest (% of free float), six months to November 9, 2026

ZBIO news and analysis

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Earnings PreviewZBIO

ZBIO CEO Buys Into an Aggressive Short Build

Zenas BioPharma heads into its May 15 results with one of the most aggressive short-interest builds in recent memory — and a CEO who has been buying into the decline with his own cash. Short sellers have dramatically…

1 min read

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