16.41
price down icon0.61%   -0.10
after-market After Hours: 16.46 0.05 +0.30%
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Zenas Biopharma Inc stock is traded at $16.41, with a volume of 809.10K. It is down -0.61% in the last 24 hours and down -58.31% over the past month. Zenas BioPharma Inc is a clinical-stage biopharmaceutical company. Its I&I product candidate, obexelimab, is a bifunctional monoclonal antibody designed to bind both CD19 and FcyRIIb, which are present across B cell lineage, in order to inhibit the activity of cells that are implicated in many autoimmune diseases without depleting them.
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Previous Close:
$16.51
Open:
$16.37
24h Volume:
809.10K
Relative Volume:
1.29
Market Cap:
$880.88M
Revenue:
-
Net Income/Loss:
-
P/E Ratio:
-
EPS:
-
Net Cash Flow:
-
1W Performance:
-54.81%
1M Performance:
-58.31%
6M Performance:
+64.59%
1Y Performance:
+76.83%
1-Day Range:
Value
$15.80
$17.15
1-Week Range:
Value
$13.50
$36.64
52-Week Range:
Value
$5.83
$44.60

Zenas Biopharma Inc Stock (ZBIO) Company Profile

Name
Name
Zenas Biopharma Inc
Name
Phone
857-271-2954
Name
Address
852 WINTER STREET, SUITE 250, WALTHAM
Name
Employee
130
Name
Twitter
Name
Next Earnings Date
Name
Latest SEC Filings
Name
ZBIO's Discussions on Twitter

Compare ZBIO with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
ZBIO
Zenas Biopharma Inc
16.41 886.24M 0 0 0 0.00
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
469.68 122.84B 11.74B 3.68B 3.34B 14.19
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REGN
Regeneron Pharmaceuticals Inc
801.01 85.37B 14.25B 4.58B 3.88B 41.77
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
399.40 55.82B 3.21B 43.57M 221.36M 0.2405
Biotechnology icon
ARGX
Argen X Se Adr
795.57 50.67B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
INSM
Insmed Inc
170.27 37.54B 447.02M -1.18B -906.14M -6.1812

Zenas Biopharma Inc Stock (ZBIO) Upgrades & Downgrades

Date Action Analyst Rating Change
Jan-05-26 Downgrade Morgan Stanley Overweight → Equal-Weight
Mar-20-25 Initiated Wedbush Outperform
Feb-04-25 Initiated Wolfe Research Outperform
Dec-16-24 Initiated H.C. Wainwright Buy
Nov-05-24 Initiated Rodman & Renshaw Buy
Oct-08-24 Initiated Citigroup Buy
Oct-08-24 Initiated Guggenheim Buy
Oct-08-24 Initiated Jefferies Buy
Oct-08-24 Initiated Morgan Stanley Overweight
View All

Zenas Biopharma Inc Stock (ZBIO) Latest News

pulisher
03:38 AM

Will Zenas BioPharma Inc. stock benefit from upcoming earnings reportsWeekly Investment Recap & Safe Investment Capital Preservation Plans - ulpravda.ru

03:38 AM
pulisher
01:47 AM

What insider trading reveals about Zenas BioPharma Inc. stockTrade Risk Summary & High Return Stock Watch Alerts - ulpravda.ru

01:47 AM
pulisher
12:55 PM

Will Zenas BioPharma Inc. stock reach Wall Street targetsRisk Management & Reliable Momentum Entry Alerts - ulpravda.ru

12:55 PM
pulisher
12:39 PM

Is Zenas BioPharma Inc. stock a bargain at current levels2025 Price Momentum & Weekly High Momentum Picks - ulpravda.ru

12:39 PM
pulisher
10:00 AM

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zenas BioPharma, Inc.ZBIO - PR Newswire

10:00 AM
pulisher
Jan 07, 2026

Bronstein, Gewirtz & Grossman, LLC Encourages Zenas BioPharma, Inc. (ZBIO) Investors to Inquire about Securities Investigation - ACCESS Newswire

Jan 07, 2026
pulisher
Jan 07, 2026

Zenas BioPharma Touts Phase 3 Win, But Stock Crashes - Yahoo Finance UK

Jan 07, 2026
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Jan 06, 2026

ZBIO Tanks Despite Positive Data From Rare Autoimmune Diseases Study - sharewise.com

Jan 06, 2026
pulisher
Jan 06, 2026

Bronstein, Gewirtz & Grossman, LLC Announces an Investigation Against Zenas BioPharma, Inc. (ZBIO) and Encourages Stockholders to Learn More About the Investigation - ACCESS Newswire

Jan 06, 2026
pulisher
Jan 06, 2026

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zenas ... - Bluefield Daily Telegraph

Jan 06, 2026
pulisher
Jan 06, 2026

Morgan Stanley Downgrades Zenas BioPharma (ZBIO) Rating and Pric - GuruFocus

Jan 06, 2026
pulisher
Jan 06, 2026

Zenas BioPharma (NASDAQ:ZBIO) Trading Down 15.5% Following Analyst Downgrade - MarketBeat

Jan 06, 2026
pulisher
Jan 06, 2026

Zenas BioPharma stock slides again premarket after INDIGO Phase 3 data sparks fresh scrutiny - TechStock²

Jan 06, 2026
pulisher
Jan 06, 2026

Zenas’s Obexelimab Meets Phase III Endpoint In IgG4-RD But Trails Amgen Rival - Citeline News & Insights

Jan 06, 2026
pulisher
Jan 06, 2026

Zenas Biopharma stock maintains Buy rating at H.C. Wainwright after positive trial data - Investing.com Canada

Jan 06, 2026
pulisher
Jan 06, 2026

Why Zenas BioPharma's Selloff Was Structurally Inevitable - Benzinga

Jan 06, 2026
pulisher
Jan 06, 2026

Zenas’ stock drops 51% despite lead asset’s Phase III rare disease win - Yahoo Finance

Jan 06, 2026
pulisher
Jan 06, 2026

Jefferies lowers Zenas Biopharma stock price target to $48 on trial data - Investing.com Canada

Jan 06, 2026
pulisher
Jan 06, 2026

Zenas: Maintaining 'Strong Buy' As Cross-Trial Comparison Of Obexelimab Should Not Be A Factor - Seeking Alpha

Jan 06, 2026
pulisher
Jan 06, 2026

How Much Could Obexelimab’s Phase 3 Win Reshape Zenas BioPharma’s (ZBIO) Autoimmune Franchise Ambitions? - Yahoo Finance

Jan 06, 2026
pulisher
Jan 06, 2026

Zenas BioPharma Stock Pre-Market (-4.0%) : Fallout From Phase 3 Data Disappointment - Trefis

Jan 06, 2026
pulisher
Jan 05, 2026

Why Is ZBIO Stock Falling Pre-Market Today? - Stocktwits

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma's immune disorder drug meets main goal in late-stage trial, ETPharma - ETPharma.com

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma’s immune disorder drug meets main goal in late-stage trial - whbl.com

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas Biopharma stock rating downgraded by Morgan Stanley on trial results - Investing.com Canada

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma (NASDAQ:ZBIO) Downgraded to "Equal Weight" Rating by Morgan Stanley - MarketBeat

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma Stock Plummets 57% Despite Positive Phase 3 INDIGO Results - Nasdaq

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma (NASDAQ:ZBIO) Shares Gap DownHere's Why - MarketBeat

Jan 05, 2026
pulisher
Jan 05, 2026

Obexelimab’s Strong Phase 3 Data and Differentiated Positioning Underpin Zenas BioPharma Buy Rating and $44 Target - TipRanks

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas Bio Inflammation Drug Meets Phase 3 Goals, But Is It Enough to Compete With Amgen? - MedCity News

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma Shares Phase III INDIGO Win as Obexelimab Cuts IgG4-RD Flare Risk 56% - MarketBeat

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma announces positive phase 3 Obexelimab results - MSN

Jan 05, 2026
pulisher
Jan 05, 2026

Indigo grills: Street querying Zenas phase III IgG4-RD beat - BioWorld MedTech

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas shares crash after top drug misses expectations in immune disease study - BioPharma Dive

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas shares plunge on weaker-than-expected data for immune disorder drug - marketscreener.com

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas crashes as late-stage trial data for lead asset disappoint - MSN

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas posts late-stage trial data for lead asset (ZBIO:NASDAQ) - Seeking Alpha

Jan 05, 2026
pulisher
Jan 05, 2026

SHAREHOLDER ALERT: Purcell & Lefkowitz LLP Announces Shareholder Investigation of Zenas BioPharma, Inc. (NASDAQ: ZBIO) - PR Newswire

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma's immune disorder drug meets main goal in late-stage trial - TradingView — Track All Markets

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma Announces Positive Phase 3 Obexelimab Results - TipRanks

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma stock falls after Phase 3 trial results By Investing.com - Investing.com Canada

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma’s obexelimab shows 56% reduction in IgG4-RD flares By Investing.com - Investing.com Canada

Jan 05, 2026
pulisher
Jan 05, 2026

Zenas BioPharma Announces Positive Results from Phase 3 INDIGO Registrational Trial of Obexelimab in Immunoglobulin G4-Related Disease (IgG4-RD) - The Manila Times

Jan 05, 2026
pulisher
Jan 05, 2026

Experimental IgG4-related disease drug sharply cuts flare risk in trial - Stock Titan

Jan 05, 2026
pulisher
Jan 02, 2026

Zenas BioPharma, Inc. (ZBIO) Stock Analysis: A Promising 34.95% Upside in the Biotech Arena - DirectorsTalk Interviews

Jan 02, 2026
pulisher
Dec 30, 2025

Zenas BioPharma stock slides 5% today as biotech shares sag; Phase 3 INDIGO data in focus - ts2.tech

Dec 30, 2025
pulisher
Dec 30, 2025

Zenas BioPharma (ZBIO) stock steadies in premarket after 8% slide as INDIGO trial timing stays in focus - ts2.tech

Dec 30, 2025
pulisher
Dec 29, 2025

Zenas BioPharma (NASDAQ:ZBIO) Shares Down 6.4%Here's Why - MarketBeat

Dec 29, 2025
pulisher
Dec 29, 2025

Is Zenas BioPharma Inc. stock attractive after correctionCandlestick Pattern Analysis & Small Capital Gains - bollywoodhelpline.com

Dec 29, 2025
pulisher
Dec 29, 2025

Zenas BioPharma, Inc (NASDAQ:ZBIO) Drives Innovation in Biologic Science - Kalkine Media

Dec 29, 2025
pulisher
Dec 26, 2025

Zenas BioPharma : Corporate Presentation - marketscreener.com

Dec 26, 2025

Zenas Biopharma Inc Stock (ZBIO) Financials Data

There is no financial data for Zenas Biopharma Inc (ZBIO). Check out other stocks for more information.

Revenue

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Net Income

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Cash Flow

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EPS

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Zenas Biopharma Inc Stock (ZBIO) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
SR ONE CAPITAL MANAGEMENT, LLC
10% Owner
Oct 09 '25
Buy
19.00
126,315
2,399,985
1,917,895
ENRIGHT PATRICK G
Director
Oct 09 '25
Buy
19.00
105,265
2,000,035
1,832,669
ENRIGHT PATRICK G
Director
Oct 09 '25
Buy
20.85
11,990
249,992
11,990
MOULDER LEON O JR
See Remarks
Oct 07 '25
Buy
20.85
36,928
769,949
36,928
Fairmount Funds Management LLC
Director
Oct 07 '25
Buy
19.00
316,219
6,008,161
2,209,025
Lu Hongbo
Director
Oct 07 '25
Buy
19.00
263,160
5,000,040
321,983
MOULDER LEON O JR
Chief Executive Officer
Feb 18 '25
Buy
6.67
25,000
166,750
266,155
Xiao Ting
Director
Feb 07 '25
Buy
7.76
10,000
77,600
47,000
$33.63
price down icon 0.80%
$107.39
price up icon 4.56%
$105.92
price down icon 4.21%
$98.85
price down icon 1.23%
biotechnology ONC
$320.37
price down icon 4.04%
$170.27
price down icon 3.26%
Cap:     |  Volume (24h):