SPRO (Spero Therapeutics) Total Stockholders Equity: $52.93 Mil (As of Mar. 2026)


SPRO Spero Therapeutics Inc SPRO
55 GF Score
Price $2.10
GF Value $1.05
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Spero Therapeutics Total Stockholders Equity?

Spero Therapeutics SPRO -0.94% 55 Total Stockholders Equity is $52.93 Mil as of Mar. 2026. GuruFocus rates SPRO with a GF Score™ of 55/100 and a GF Value™ of $1.05 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Spero Therapeutics's Total Stockholders Equity for the quarter that ended in Mar. 2026 was $52.93 Mil. It refers to the net assets owned by shareholders. It does not include minority interest.

Total Stockholders Equity is used to calculate Book Value per Share. Spero Therapeutics's Book Value per Share for the quarter that ended in Mar. 2026 was $0.91. The ratio of a company's debt over equity can be used to measure how leveraged this company is. Spero Therapeutics's Debt-to-Equity for the quarter that ended in Mar. 2026 was 0.05.

Spero Therapeutics  (NAS:SPRO) Total Stockholders Equity Explanation

1. Total Stockholders Equity is used to calculate Book Value per Share.

Spero Therapeutics's Book Value per Share for the quarter that ended in Mar. 2026 is

Book Value per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(52.934-0)/57.891
=0.91

2. The ratio of a company's debt over equity can be used to measure how leveraged this company is.

Spero Therapeutics's Debt-to-Equity for the quarter that ended in Mar. 2026 is

Debt-to-Equity=Total Debt / Total Stockholders Equity
=(Short-Term Debt & Capital Lease Obligation + Long-Term Debt & Capital Lease Obligation) / Total Stockholders Equity
=(1.967 + 0.507) / 52.934
=0.05

* 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.

Spero Therapeutics Total Stockholders Equity Related Terms

Spero Therapeutics Total Stockholders Equity Historical Data

* Premium members only.

The historical data trend for Spero Therapeutics's Total Stockholders Equity 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.

Spero Therapeutics Total Stockholders Equity Chart

Spero Therapeutics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Total Stockholders Equity
Get a 7-Day Free Trial Premium Member Only Premium Member Only 88.29 75.93 106.89 46.12 59.02

Spero Therapeutics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Total Stockholders Equity 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 33.81 32.83 26.49 59.02 52.93
SPRO
55GF Score
Spero Therapeutics Inc SPRO
Total Stockholders Equity is just one metric. See GF Score™, valuation, warning signs, and more.
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What does a Total Stockholders Equity of $52.93 Mil mean?
Spero Therapeutics (SPRO) has a Total Stockholders Equity of $52.93 Mil as of Mar. 2026. The total amount of shareholder's equity as recorded on a company's balance sheet. View historical data for Spero Therapeutics and its competitors.
Is Spero Therapeutics' Total Stockholders Equity too high?
Spero Therapeutics' current Total Stockholders Equity is $52.93 Mil. Overall, Spero Therapeutics has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Spero Therapeutics' Total Stockholders Equity compare to VXRT and ADCT?
Spero Therapeutics' Total Stockholders Equity of $52.93 Mil 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 Total Stockholders Equity for a Biotechnology company?
A good Total Stockholders Equity depends on the Biotechnology industry context. However, Total Stockholders Equity 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 Total Stockholders Equity mean?
A high Total Stockholders Equity can signal that a stock is expensive relative to its fundamentals. The total amount of shareholder's equity as recorded on a company's balance sheet. View historical data for Spero Therapeutics and its competitors. Spero Therapeutics's current Total Stockholders Equity is $52.93 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Spero Therapeutics stock overvalued right now?
Based on GuruFocus' analysis, Spero Therapeutics (SPRO) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.05, compared to a current price of $2.10 — trading 99.5% above its estimated fair value. The current Total Stockholders Equity is $52.93 Mil. Spero Therapeutics' overall GF Score™ is 55/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Total Stockholders Equity calculated?
Total Stockholders Equity is calculated from a company's financial statements. For Spero Therapeutics (SPRO), the current Total Stockholders Equity is $52.93 Mil 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.

Is Spero Therapeutics (SPRO) Overvalued in 2026?

Based on GuruFocus' analysis, Spero Therapeutics stock appears to be overvalued. The current stock price of $2.10 is trading 99.5% above its estimated GF Value™ of $1.05. GuruFocus considers Spero Therapeutics to be Significantly Overvalued.

Key valuation signals for SPRO:

  • Total Stockholders Equity: $52.93 Mil
  • GF Value™: $1.05 vs. price of $2.10 (99.5% above fair value)
  • GF Score™: 55/100 with 4 warning signs

No single metric tells the full story. See the SPRO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Spero Therapeutics Business Description

Other Exchanges 2HA:Germany
Address 675 Massachusetts Avenue, 14th Floor, Cambridge, MA, USA, 02139
Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing, and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The company's product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. It is also focused on SPR206, a next-generation polymyxin investigational product candidate being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.
55GF Score

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Total Stockholders Equity is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$2.10
Price
$1.05
GF Value