Xilio Therapeutics, Inc. (XLO)

NASDAQ: XLO · Real-Time Price · USD
7.88
-0.30 (-3.67%)
At close: Apr 28, 2026, 4:00 PM EDT
7.92
+0.04 (0.51%)
After-hours: Apr 28, 2026, 4:10 PM EDT
-3.67%
Market Cap 45.57M
Revenue (ttm) 43.77M
Net Income (ttm) -35.04M
Shares Out 5.78M
EPS (ttm) -7.73
PE Ratio n/a
Forward PE n/a
Dividend n/a
Ex-Dividend Date n/a
Volume 33,744
Open 8.25
Previous Close 8.18
Day's Range 7.88 - 8.27
52-Week Range 6.47 - 16.52
Beta -0.12
Analysts Buy
Price Target 28.00 (+255.33%)
Earnings Date May 14, 2026

About XLO

Xilio Therapeutics, Inc., a clinical-stage biotechnology company, engages in the discovery and development of masked immuno-oncology therapies. The company’s pipeline includes XTX501, a bispecific PD-1 / masked IL-2, for patients with metastatic non-small cell lung cancer; Efarindodekin alfa, an investigational, masked IL-12, that is in Phase 2 clinical trial for patients with advanced solid tumors; and Vilastobart, an investigational tumor-activated, Fc-enhanced, high affinity binding anti-CTLA-4 monoclonal antibody. The company was founded in... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Oct 22, 2021
Employees 76
Stock Exchange NASDAQ
Ticker Symbol XLO
Full Company Profile

Financial Performance

In 2025, Xilio Therapeutics's revenue was $43.77 million, an increase of 589.88% compared to the previous year's $6.34 million. Losses were -$35.04 million, -39.84% less than in 2024.

Financial Statements

Analyst Forecast

According to one analyst, the rating for XLO stock is "Buy" and the 12-month stock price target is $28.0.

Price Target
$28.0
(255.33% upside)
Analyst Consensus: Buy
Stock Forecasts

News

Xilio Therapeutics Announces New Preclinical Data at AACR Annual Meeting for XTX601, a Masked T Cell Engager Targeting CLDN18.2

XTX601 demonstrated protease-dependent, tumor-selective activation and potent anti-tumor activity in multiple preclinical models

11 days ago - GlobeNewsWire

Xilio Therapeutics Appoints Cheryl R. Blanchard, Ph.D.

WALTHAM, Mass., April 16, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people...

12 days ago - GlobeNewsWire

Xilio Therapeutics Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

WALTHAM, Mass., April 03, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people...

25 days ago - GlobeNewsWire

Xilio Therapeutics Announces Pipeline and Business Updates and Fourth Quarter and Full Year 2025 Financial Results

XTX501, a potential best-in-class bispecific PD-1 / masked IL-2, on track for planned IND submission in mid-2026 and Phase 1 initiation in the second half of 2026

5 weeks ago - GlobeNewsWire

Xilio Therapeutics to Present New Preclinical Data for its Masked T Cell Engager Program Targeting CLDN18.2 at the American Association for Cancer Research (AACR) Annual Meeting

WALTHAM, Mass., March 17, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people...

6 weeks ago - GlobeNewsWire

Xilio Therapeutics Announces 1-for-14 Reverse Stock Split

WALTHAM, Mass., March 12, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people...

6 weeks ago - GlobeNewsWire

Xilio Therapeutics Transcript: Leerink Global Healthcare Conference 2026

A new dual-targeted PSMA/STEAP1 cell engager with CD3 masking and CD2 co-stimulation was announced, aiming to address tumor heterogeneity and resistance in prostate cancer. INDs for this and the claudin 18.2 program are planned for 2027. The CTLA-4 and PD-1 IL-2 programs also showed promising progress.

7 weeks ago - Transcripts

Xilio Therapeutics to Present at the Leerink Partners Global Healthcare Conference

WALTHAM, Mass., March 02, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people...

2 months ago - GlobeNewsWire

Xilio Therapeutics Announces Pricing of Underwritten Offering

WALTHAM, Mass., Feb. 11, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people ...

2 months ago - GlobeNewsWire

Xilio Therapeutics Highlights Upcoming Milestones and Recent Corporate Updates

Received $35.8 million in gross proceeds from Series B warrant exercises, including full exercise by Coastlands Capital, Frazier Life Sciences and Gilead Sciences, Inc., and extended anticipated cash ...

3 months ago - GlobeNewsWire

Xilio Therapeutics Announces Pipeline and Business Updates and Third Quarter 2025 Financial Results

Reported late-breaking Phase 2 data at SITC for vilastobart demonstrating a 40% ORR in heavily pretreated patients with MSS mCRC without liver metastases and high plasma tumor mutational burden  Prese...

5 months ago - GlobeNewsWire

Xilio Therapeutics Transcript: Status Update

Phase II data show Vilastobart plus Atezolizumab yields a 40% response rate in high plasma TMB MSS CRC, with strong safety and biomarker-driven patient selection. Plasma TMB testing is practical and may expand to other cancers, while additional pipeline advances and milestones are expected in 2026.

6 months ago - Transcripts

Xilio Therapeutics Announces Late-Breaking Phase 2 Data for Vilastobart in Patients with MSS mCRC and High Plasma Tumor Mutational Burden at Society for Immunotherapy of Cancer (SITC) 40th Annual Meeting

40% ORR in heavily pre-treated patients with MSS mCRC without liver metastases and with high plasma tumor mutational burden (TMB)

6 months ago - GlobeNewsWire

Xilio Therapeutics Highlights Portfolio of Differentiated Masked Immunotherapies at Society for Immunotherapy of Cancer (SITC) 40th Annual Meeting

Preclinical data support best-in-class potential of masked T cell engager programs and platform utilizing Xilio's ATACR and SEECR formats, including efficient masking, potent anti-tumor activity and b...

6 months ago - GlobeNewsWire

Xilio Therapeutics to Present Phase 2 Data for Vilastobart Highlighting Response Rate in Patients with MSS mCRC and High Plasma Tumor Mutational Burden as a Late-Breaking Presentation at SITC 40th Annual Meeting

WALTHAM, Mass., Oct. 30, 2025 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing tumor-activated immuno-oncology therapies fo...

6 months ago - GlobeNewsWire

Xilio Therapeutics Announces Upcoming Presentations at the Society for Immunotherapy of Cancer (SITC) 40th Annual Meeting

WALTHAM, Mass., Oct. 03, 2025 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing tumor-activated immuno-oncology therapies fo...

7 months ago - GlobeNewsWire

Xilio Therapeutics Announces Initiation of Phase 2 Trial for Efarindodekin Alfa (XTX301), a Tumor-Activated IL-12, and Achievement of $17.5 Million Development Milestone Under Exclusive License Agreement with Gilead

Phase 1 data for efarindodekin alfa (XTX301) demonstrate promising anti-tumor activity in patients with advanced solid tumors Achievement of milestone extends anticipated cash runway into first quarte...

8 months ago - GlobeNewsWire

Xilio Therapeutics Announces Pipeline and Business Updates and Second Quarter 2025 Financial Results

Announced updated Phase 2 data at ASCO for vilastobart, a tumor-activated, Fc-enhanced, anti-CTLA-4, demonstrating deep and durable responses and a meaningfully differentiated safety and tolerability ...

9 months ago - GlobeNewsWire

Xilio Therapeutics Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

WALTHAM, Mass., July 02, 2025 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing tumor-activated immuno-oncology therapies fo...

10 months ago - GlobeNewsWire

Xilio Therapeutics Appoints Akintunde Bello, Ph.D., to its Board of Directors

WALTHAM, Mass., June 10, 2025 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing tumor-activated immuno-oncology therapies fo...

11 months ago - GlobeNewsWire

Xilio Therapeutics Announces Closing of $50.0 Million Public Offering

Total gross proceeds of up to $150.0 million before the end of 2026 if all Series B warrants and Series C warrants are exercised for cash Xilio may elect to cancel unexercised Series B or Series C war...

11 months ago - GlobeNewsWire

Xilio Therapeutics Announces Pricing of $50.0 Million Public Offering

WALTHAM, Mass., June 02, 2025 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing tumor-activated immuno-oncology therapies fo...

11 months ago - GlobeNewsWire

Xilio Therapeutics Announces Proposed Public Offering

WALTHAM, Mass., June 02, 2025 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing tumor-activated immuno-oncology therapies fo...

11 months ago - GlobeNewsWire

Xilio Therapeutics Announces Updated Phase 2 Data for Vilastobart, a Tumor-Activated Anti-CTLA-4, in Combination with Atezolizumab in Patients with Metastatic Microsatellite Stable Colorectal Cancer

26% preliminary objective response rate observed in heavily pre-treated patients with metastatic microsatellite stable colorectal cancer (MSS CRC) without liver metastases

11 months ago - GlobeNewsWire

Xilio Therapeutics Announces Pipeline and Business Updates and First Quarter 2025 Financial Results

Updated Phase 2 data to be presented at ASCO for vilastobart, a tumor-activated, Fc-enhanced, anti-CTLA-4, in combination with atezolizumab in patients with metastatic microsatellite stable colorectal...

1 year ago - GlobeNewsWire