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STRO

Sutro Biopharma, Inc.distress 5/10 · elevated risk
$22.69-3%today-45% from 52w high
sutrobio.com133 employeesFounded 2003South San Francisco, CABiotechnology
Oncology 4
Lead: Lung Cancer · target FOLR1 · est. market ~$35B (approx, global)
Revenue
$15M
Liquidity
$203M
Runway
1.3 yrs
Shares 1y
-80%

Price & events

+39.0% over 6M
$13.98$27.44$40.91Jan 26Apr 26Jul 262.8Mdilution: EFFECT shelf_effective (2026-04-01)dilution: 424B3 offering (2026-04-01)dilution: S-3 shelf_registration (2026-03-23)dilution: 424B5 offering (2026-02-10)financing: 8-K material_agreement (2026-02-10)rating: Barclays: Overweight (2026-05-28)rating: Wedbush: Neutral → Outperform (2026-05-15)rating: Leerink Partners: Outperform (2026-05-15)rating: HC Wainwright & Co.: Buy (2026-05-15)rating: Mizuho: Outperform (2026-04-30)rating: Citizens: Market Outperform (2026-04-23)rating: Citizens: Market Outperform (2026-04-17)rating: Leerink Partners: Outperform (2026-04-07)
CatalystRating changeDilutionFinancingdashed = today
-3.0%
1D
-4.4%
1W
-22.3%
1M
-34.9%
3M
+50.8%
6M
+163.8%
1Y
-41.7%
2Y
-86.7%
5Y
-89.1%
All

Overview

Market Cap
$375.98M
Volume
10.86K
52 Week Range
$7.30 – $40.91
Total Shares
16.57M
Float Shares
10.30M
Short %
8.24%
% Held by Insiders
2.26%
% Held by Institutions
87.40%
RVOL
0.03x
Beta
1.52

Pipeline stages · 2 programs

STRO-004, Pembrolizumab
Preclin
Ph1
Ph2
Ph3
Filed
PDUFA
Approved
next 2027-12
Luveltamab tazevibulin, Pegfilgrastim, GemcitabineFOLR1
Preclin
Ph1
Ph2
Ph3
Filed
PDUFA
Approved

Pipeline · 5 trials · 1 upcoming

ReadoutPhaseDrugIndicationEnrollStatus
2027-12
Estimated 50%
readout ~2027-12-31
Phase 1STRO-004, PembrolizumabHead and Neck Squamous Cell Carcinoma HNSCC, Non-Small Cell Lung Cancer NSCLC, Esophageal Cancer, Gastric Cancer, Colorectal Cancer, Pancreatic Ductal Adenocarcinoma (PDAC), Cervical Cancer, Endometrial Cancer, Urothelial Cancerrecruiting
2025-08-26
Phase 2/3Luveltamab tazevibulin, Pegfilgrastim, GemcitabineOvarian Cancer, Epithelial Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cancer, Platinum-resistant Ovarian Cancer600terminated
2025-06-01
Phase 1/2Luveltamab tazevibulinAcute Myeloid Leukemia (AML)24terminated
2025-06-01
Phase 1STRO-002, BevacizumabOvarian Cancer, Ovarian Carcinoma, Ovary Cancer, Fallopian Tube Cancer, Primary Peritoneal Carcinoma58terminated
2025-05-01
Phase 2Luveltamab tazevibulinLung Cancer, Lung Cancer Metastatic, Lung Cancer, Nonsmall Cell, Lung Cancer Non-Small Cell Stage IIIB, Lung Cancer Non-small Cell Stage IV, Lung Cancer, Non-small Cell0withdrawn

Catalyst news & presentations · 1

Approved drugs (0)

  • none — clinical-stage

Capital structure — dilution & financing

Shares out: 16,570,439 · 2 offerings/1y · 0 PIPEs
  • 2026-04-01424B3offering
  • 2026-04-01EFFECTshelf_effective
  • 2026-03-23S-3shelf_registration
  • 2026-02-108-Kmaterial_agreement
  • 2026-02-10424B5offering
  • 2024-11-14SC 13G/Astrategic_stake
  • 2024-11-14SC 13G/Astrategic_stake
🔒 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 $48 (+110% upside) · 12 analysts
  • 2026-05-28BarclaysOverweight
  • 2026-05-15WedbushNeutral → Outperform
  • 2026-05-15Leerink PartnersOutperform
  • 2026-05-15HC Wainwright & Co.Buy
  • 2026-04-30MizuhoOutperform
  • 2026-04-23CitizensMarket Outperform

Competitors — FOLR1

  • none identified

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