SIGA (SIGA Technologies) Change In Inventory: $-6.42 Mil (TTM As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

SIGA SIGA Technologies Inc SIGA
62 GF Score
Price $2.89
GF Value $2.55
Valuation Modestly Overvalued
! 5 Warning Signs
View Full Analysis

What is SIGA Technologies Change In Inventory?

SIGA Technologies SIGA +1.05% 62 Change In Inventory is $-6.42 Mil as of Jun. 2026. GuruFocus rates SIGA with a GF Score™ of 62/100 and a GF Value™ of $2.55 (Modestly Overvalued). The stock has 5 warning signs investors should review.

SIGA Technologies's change in inventory for the quarter that ended in Jun. 2026 was $15.35 Mil. It means SIGA Technologies's inventory declined by $15.35 Mil from Mar. 2026 to Jun. 2026 .

SIGA Technologies's change in inventory for the fiscal year that ended in Dec. 2025 was $-0.85 Mil. It means SIGA Technologies's inventory increased by $0.85 Mil from Dec. 2024 to Dec. 2025 .

SIGA Technologies's Total Inventories for the quarter that ended in Jun. 2026 was $41.11 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. SIGA Technologies's Days Inventory for the quarter that ended in Jun. 2026 was 253.59.

Inventory Turnover measures how fast the company turns over its inventory within a year. SIGA Technologies's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.36.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. SIGA Technologies's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.19.


SIGA Technologies  (NAS:SIGA) Change In Inventory Explanation

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

SIGA Technologies's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=48.803/17.561*365 / 4
=253.59

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

SIGA Technologies's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

3. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

SIGA Technologies's Inventory to Revenue for the quarter that ended in Jun. 2026 is calculated as

* 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.


SIGA Technologies Change In Inventory Related Terms


SIGA Technologies Change In Inventory Historical Data

* Premium members only.

The historical data trend for SIGA Technologies's Change In Inventory 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.

SIGA Technologies Change In Inventory Chart

SIGA Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.14 -19.96 -25.52 15.34 -0.85

SIGA Technologies Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Change In Inventory 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 22.97 -12.39 -1.93 -7.44 15.35
SIGA
62GF Score
SIGA Technologies Inc SIGA
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

SIGA Technologies Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-6.42 Mil.

* 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 Change In Inventory →
What does a Change In Inventory of $-6.42 Mil mean?
SIGA Technologies (SIGA) has a Change In Inventory of $-6.42 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for SIGA Technologies and its competitors.
Is SIGA Technologies' Change In Inventory too high?
SIGA Technologies' current Change In Inventory is $-6.42 Mil. Overall, SIGA Technologies has a GF Score™ of 62/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does SIGA Technologies' Change In Inventory compare to ANIK and TKNO?
SIGA Technologies' Change In Inventory of $-6.42 Mil can be compared against companies in the Drug Manufacturers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Drug Manufacturers company?
A good Change In Inventory depends on the Drug Manufacturers industry context. However, Change In Inventory 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 Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for SIGA Technologies and its competitors. SIGA Technologies's current Change In Inventory is $-6.42 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SIGA Technologies stock overvalued right now?
Based on GuruFocus' analysis, SIGA Technologies (SIGA) is currently considered Modestly Overvalued. The stock's GF Value™ is $2.55, compared to a current price of $2.89 — trading 13.3% above its estimated fair value. The current Change In Inventory is $-6.42 Mil. SIGA Technologies' overall GF Score™ is 62/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For SIGA Technologies (SIGA), the current Change In Inventory is $-6.42 Mil as of Jun. 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 SIGA Technologies (SIGA) Overvalued in 2026?

Based on GuruFocus' analysis, SIGA Technologies stock appears to be overvalued. The current stock price of $2.89 is trading 13.3% above its estimated GF Value™ of $2.55. GuruFocus considers SIGA Technologies to be Modestly Overvalued.

Key valuation signals for SIGA:

  • Change In Inventory: $-6.42 Mil
  • GF Value™: $2.55 vs. price of $2.89 (13.3% above fair value)
  • GF Score™: 62/100 with 5 warning signs

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


SIGA Technologies Business Description

Address 31 East 62nd Street, New York, NY, USA, 10065
SIGA Technologies Inc a commercial-stage pharmaceutical company. The Company sells its product, TPOX oral TPOXX, also known as tecovirimat, Tecovirimat-SIGA, or TEPOXX (tecovirimat) in certain international markets, to the U.S. Government and international governments (including government-affiliated entities). The Company operates in one single operating and reportable segment, which includes all activities related to the sale of the Company's Oral and IV TPOXX as well as research and development services.
62GF Score

Get the complete analysis for SIGA

Change In Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$2.89
Price
$2.55
GF Value