PHAT (Phathom Pharmaceuticals) OCF Margin %: -26.84% (As of Mar. 2026)

What is Phathom Pharmaceuticals OCF Margin %?

Phathom Pharmaceuticals PHAT -2.30% 25 OCF Margin % is -26.84% as of Mar. 2026. GuruFocus rates PHAT with a GF Score™ of 25/100. The stock has 3 warning signs investors should review. Among 960 Biotechnology companies, Phathom Pharmaceuticals ranks better than 52.92% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Phathom Pharmaceuticals's Cash Flow from Operations for the three months ended in Mar. 2026 was $-15.6 Mil. Phathom Pharmaceuticals's Revenue for the three months ended in Mar. 2026 was $58.3 Mil. Therefore, Phathom Pharmaceuticals's OCF Margin % for the quarter that ended in Mar. 2026 was -26.84%.

As of today, Phathom Pharmaceuticals's current OCF Yield % is -11.52%.

The historical rank and industry rank for Phathom Pharmaceuticals's OCF Margin % or its related term are showing as below:

PHAT' s OCF Margin % Range Over the Past 10 Years
Min: -20173.02 Med: -482.82 Max: -95.24
Current: -47.58

During the past 8 years, the highest OCF Margin % of Phathom Pharmaceuticals was -95.24%. The lowest was -20173.02%. And the median was -482.82%.

PHAT's OCF Margin % is ranked better than
52.92% of 960 companies
in the Biotechnology industry
Industry Median: -68.59 vs PHAT: -47.58

Phathom Pharmaceuticals OCF Margin % Related Terms

Phathom Pharmaceuticals OCF Margin % Historical Data

* Premium members only.

The historical data trend for Phathom Pharmaceuticals's OCF Margin % 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.

Phathom Pharmaceuticals OCF Margin % Chart

Phathom Pharmaceuticals Annual Data

Trend

Dec18

Dec19

Dec20

Dec21

Dec22

Dec23

Dec24

Dec25

OCF Margin %

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0.00

-20,173.02

-482.82

-95.24

Phathom Pharmaceuticals Quarterly Data
	Jun21	Sep21	Dec21	Mar22	Jun22	Sep22	Dec22	Mar23	Jun23	Sep23	Dec23	Mar24	Jun24	Sep24	Dec24	Mar25	Jun25	Sep25	Dec25	Mar26
OCF Margin %	Get a 7-Day Free Trial															-297.80	-158.80	-28.51	-8.68	-26.84

PHAT vs AURA, RLMD, SMNR: OCF Margin % Comparison

For the Biotechnology subindustry, Phathom Pharmaceuticals's OCF Margin %, along with its competitors' market caps and OCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Phathom Pharmaceuticals OCF Margin % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Phathom Pharmaceuticals's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Phathom Pharmaceuticals's OCF Margin % falls into.

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Phathom Pharmaceuticals Inc PHAT

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Phathom Pharmaceuticals OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Phathom Pharmaceuticals's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin	=	Cash Flow from Operations (A: Dec. 2025 )	/	Revenue (A: Dec. 2025 )
	=	-166.775	/	175.11
	=	-95.24 %

Phathom Pharmaceuticals's OCF Margin for the quarter that ended in Mar. 2026 is calculated as

OCF Margin	=	Cash Flow from Operations (Q: Mar. 2026 )	/	Revenue (Q: Mar. 2026 )
	=	-15.647	/	58.301
	=	-26.84 %

Frequently Asked Questions Learn more about OCF Margin % →

What does a OCF Margin % of -26.84% mean?

Phathom Pharmaceuticals (PHAT) has a OCF Margin % of -26.84% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Phathom Pharmaceuticals and its competitors. According to the industry distribution chart, Phathom Pharmaceuticals ranks #452 out of 960 companies in the Biotechnology industry, placing it in the top 47.1%.

Is Phathom Pharmaceuticals' OCF Margin % too high?

Phathom Pharmaceuticals' current OCF Margin % is -26.84%. Based on the distribution chart, Phathom Pharmaceuticals ranks #452 out of 960 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Phathom Pharmaceuticals has a GF Score™ of 25/100, reflecting its overall financial health beyond just this single metric.

How does Phathom Pharmaceuticals' OCF Margin % compare to AURA and RLMD?

According to the Biotechnology industry distribution chart, Phathom Pharmaceuticals ranks #452 out of 960 companies for OCF Margin %. This puts Phathom Pharmaceuticals in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.

What is a good OCF Margin % for a Biotechnology company?

A good OCF Margin % depends on the Biotechnology industry context. However, OCF Margin % 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 OCF Margin % mean?

A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Phathom Pharmaceuticals and its competitors. Phathom Pharmaceuticals's current OCF Margin % is -26.84%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.

Is Phathom Pharmaceuticals stock overvalued right now?

Phathom Pharmaceuticals (PHAT) has a current OCF Margin % of -26.84%. The current OCF Margin % is -26.84%. Phathom Pharmaceuticals' overall GF Score™ is 25/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.

How is OCF Margin % calculated?

OCF Margin % is calculated from a company's financial statements. For Phathom Pharmaceuticals (PHAT), the current OCF Margin % is -26.84% 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.

Phathom Pharmaceuticals Business Description

Industry Healthcare Biotechnology

Comparable Companies AURA RLMD SMNR ALLO CTMX OMER GERN LBRX ODTX SLDB VRTX REGN XBRU:UCB XBRU:ARGX XKRX:207940 ALNY RVMD ASX:CSL ONC XKRX:068270

Address 100 Campus Drive, Suite 102, Florham Park, NJ, USA, 07932

Website https://www.phathompharma.com

Phathom Pharmaceuticals Inc operates as a clinical-stage biopharmaceutical company. The firm is focused on developing and commercializing novel treatments for gastrointestinal, or GI, diseases. Its product comprises vonoprazan, an oral small-molecule potassium competitive acid blocker medicine that blocks acid secretion in the stomach. Vonoprazan shows rapid, potent, and durable anti-secretory effects and has demonstrated clinical benefits in the treatment of gastroesophageal reflux disease, and in combination with antibiotics for the treatment of Helicobacter pylori infection.

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