XFOR (X4 Pharmaceuticals) Tax Rate %: 0.00% (As of Mar. 2026)


XFOR X4 Pharmaceuticals Inc XFOR
29 GF Score
Price $4.23
! 6 Warning Signs
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What is X4 Pharmaceuticals Tax Rate %?

X4 Pharmaceuticals XFOR +5.22% 29 Tax Rate % is 0.00% as of Mar. 2026. GuruFocus rates XFOR with a GF Score™ of 29/100. The stock has 6 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. X4 Pharmaceuticals's Tax Expense for the three months ended in Mar. 2026 was $0.00 Mil. X4 Pharmaceuticals's Pre-Tax Income for the three months ended in Mar. 2026 was $-20.24 Mil. Therefore, X4 Pharmaceuticals's Tax Rate % for the quarter that ended in Mar. 2026 was 0.00%.

X4 Pharmaceuticals Tax Rate % Related Terms

X4 Pharmaceuticals Tax Rate % Historical Data

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The historical data trend for X4 Pharmaceuticals's Tax Rate % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

X4 Pharmaceuticals Tax Rate % Chart

X4 Pharmaceuticals Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Tax Rate %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -0.02 -0.03 -0.08 -0.83 -0.05

X4 Pharmaceuticals Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Tax Rate % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 10.76 -0.14 0.10 0.00 0.00
XFOR
29GF Score
X4 Pharmaceuticals Inc XFOR
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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X4 Pharmaceuticals Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

X4 Pharmaceuticals's Tax Rate % for the fiscal year that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (A: Dec. 2025 )/Pre-Tax Income (A: Dec. 2025 )
=0.041/-79.158
=-0.05 %

X4 Pharmaceuticals's Tax Rate % for the quarter that ended in Mar. 2026 is calculated as

Tax Rate %=Tax Expense (Q: Mar. 2026 )/Pre-Tax Income (Q: Mar. 2026 )
=0/-20.241
=0.00 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Tax Rate % →
What does a Tax Rate % of 0.00% mean?
X4 Pharmaceuticals (XFOR) has a Tax Rate % of 0.00% as of Mar. 2026.
Is X4 Pharmaceuticals' Tax Rate % too high?
X4 Pharmaceuticals' current Tax Rate % is 0.00%. Overall, X4 Pharmaceuticals has a GF Score™ of 29/100, reflecting its overall financial health beyond just this single metric.
How does X4 Pharmaceuticals' Tax Rate % compare to CMPX and LRMR?
X4 Pharmaceuticals' Tax Rate % of 0.00% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Biotechnology company?
A good Tax Rate % depends on the Biotechnology industry context. However, Tax Rate % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. X4 Pharmaceuticals's current Tax Rate % is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is X4 Pharmaceuticals stock overvalued right now?
X4 Pharmaceuticals (XFOR) has a current Tax Rate % of 0.00%. The current Tax Rate % is 0.00%. X4 Pharmaceuticals' overall GF Score™ is 29/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For X4 Pharmaceuticals (XFOR), the current Tax Rate % is 0.00% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

X4 Pharmaceuticals Business Description

Address 61 North Beacon Street, 4th Floor, Boston, MA, USA, 02134
X4 Pharmaceuticals Inc is a biopharmaceutical company developing and commercializing novel therapeutics for the treatment of rare hematology diseases. The Company's clinical candidate is mavorixafor, a small molecule antagonist of the chemokine receptor CXCR4 that is being developed as an oral, once-daily therapy. It can increase the mobilization of mature, functional white blood cells from the bone marrow into the bloodstream. It also has two pre-clinical candidates X4P-003 and X4P-002 which are CXCR4 antagonists with different properties.
29GF Score

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Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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