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ATRA

Atara Biotherapeuticsdistress 7/10 · high distress / dilution risk
$7.88-3%today-56% from 52w high
atarabio.com13 employeesFounded 2012Thousand Oaks, CABiotechnology
Immunology / Inflammation 1Oncology 1
Lead: EBV+ PTLD · target CD19
Revenue
pre-revenue
Liquidity
$8M
Runway
0.3 yrs
Shares 1y
+28%

Price & events

+57.6% over 6M
$4.18$7.91$11.65Jan 26Apr 26Jul 2677.0Mdilution: 424B5 offering (2026-05-12)dilution: EFFECT shelf_effective (2026-03-25)dilution: 424B3 offering (2026-03-25)dilution: S-3 shelf_registration (2026-03-17)dilution: 424B5 offering (2026-03-16)financing: 8-K private_placement (2026-02-23)rating: Freedom Broker: Sell → Hold (2026-05-18)rating: Canaccord Genuity: Hold → Buy (2026-05-08)
CatalystRating changeDilutionFinancingdashed = today
-3.0%
1D
-9.6%
1W
-29.4%
1M
+60.8%
3M
+51.0%
6M
-35.7%
1Y
-24.4%
2Y
-97.5%
5Y
-98.4%
All

Overview

Market Cap
$71.00M
Volume
4.07K
52 Week Range
$4.18 – $18.09
Total Shares
9.01M
Float Shares
4.66M
Short %
5.72%
% Held by Insiders
16.92%
% Held by Institutions
52.46%
RVOL
0.05x
Beta
0.09

Pipeline stages · 1 programs

ATA3219CD19
Preclin
Ph1
Ph2
Ph3
Filed
PDUFA
Approved

Pipeline · 2 trials · 0 upcoming

ReadoutPhaseDrugIndicationEnrollStatus
2025-04-16
Phase 1ATA3219Lupus Nephritis, Systemic Lupus Erythematosus0withdrawn
2025-03-03
Phase 1ATA3219Relapsed/Refractory B-cell Non-Hodgkin Lymphoma1terminated

Catalyst news & presentations · 10

Approved drugs (0)

  • none — clinical-stage

Capital structure — dilution & financing

Shares out: 9,010,172 · 3 offerings/1y · 1 PIPEs
  • 2026-05-12424B5offering
  • 2026-03-25424B3offering
  • 2026-03-25EFFECTshelf_effective
  • 2026-03-17S-3shelf_registration
  • 2026-03-16424B5offering
  • 2026-02-238-Kprivate_placement
  • 2026-01-028-Kmaterial_agreement
🔒 Positioning — Pro
Short interest / days-to-cover, insider buys & sells.
Upgrade to Pro
🔒 Top holders — Pro
Institutional ownership + quarter-over-quarter accumulation/trimming.
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Wall St ratings

strong buy · target $14 (+73% upside) · 3 analysts
  • 2026-05-18Freedom BrokerSell → Hold
  • 2026-05-08Canaccord GenuityHold → Buy
  • 2026-01-21Freedom BrokerBuy → Sell
  • 2026-01-13Canaccord GenuityBuy → Hold
  • 2025-12-19Canaccord GenuityBuy
  • 2025-03-11Canaccord GenuityBuy

Competitors — CD19

  • ZBIOZenas BioPharma, Inc.$2.0B · D3
  • KYTXKyverna Therapeutics, Inc.$439M · D5
  • IPSCCentury Therapeutics, Inc.$381M · D6
  • FATEFATE THERAPEUTICS INC$294M · D3
  • NKTXNkarta, Inc.$166M · D3
  • CRBUCaribou Biosciences, Inc.$160M · D0

Not financial advice. Data: ClinicalTrials.gov, SEC EDGAR, FINRA, Nasdaq, Yahoo.