vs

Side-by-side financial comparison of SIGA TECHNOLOGIES INC (SIGA) and Solid Power, Inc. (SLDP). Click either name above to swap in a different company.

SIGA TECHNOLOGIES INC is the larger business by last-quarter revenue ($3.8M vs $3.6M, roughly 1.0× Solid Power, Inc.). On growth, Solid Power, Inc. posted the faster year-over-year revenue change (-18.6% vs -95.3%). SIGA TECHNOLOGIES INC produced more free cash flow last quarter ($43.1M vs $-23.0M). Over the past eight quarters, Solid Power, Inc.'s revenue compounded faster (-21.9% CAGR vs -61.4%).

SIGA Technologies, Inc. is an American pharmaceutical company founded in 1995, based in New York City, which develops and sells pharmaceutical solutions for the antiviral treatment of smallpox, monkeypox, cowpox, and vaccinia complications.

Solid Energy was the largest coal mining company in New Zealand and is a state owned enterprise of the New Zealand Government.

SIGA vs SLDP — Head-to-Head

Bigger by revenue
SIGA
SIGA
1.0× larger
SIGA
$3.8M
$3.6M
SLDP
Growing faster (revenue YoY)
SLDP
SLDP
+76.8% gap
SLDP
-18.6%
-95.3%
SIGA
More free cash flow
SIGA
SIGA
$66.1M more FCF
SIGA
$43.1M
$-23.0M
SLDP
Faster 2-yr revenue CAGR
SLDP
SLDP
Annualised
SLDP
-21.9%
-61.4%
SIGA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SIGA
SIGA
SLDP
SLDP
Revenue
$3.8M
$3.6M
Net Profit
Gross Margin
21.2%
Operating Margin
-730.1%
Net Margin
Revenue YoY
-95.3%
-18.6%
Net Profit YoY
-111.9%
EPS (diluted)
$-0.15

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
SIGA
SIGA
SLDP
SLDP
Q4 25
$3.8M
$3.6M
Q3 25
$2.6M
$3.7M
Q2 25
$81.1M
$6.5M
Q1 25
$7.0M
$6.0M
Q4 24
$81.5M
$4.5M
Q3 24
$10.0M
$4.7M
Q2 24
$21.8M
$5.1M
Q1 24
$25.4M
$6.0M
Net Profit
SIGA
SIGA
SLDP
SLDP
Q4 25
Q3 25
$-6.4M
$-25.9M
Q2 25
$35.5M
$-25.3M
Q1 25
$-408.2K
$-15.2M
Q4 24
$45.8M
Q3 24
$1.3M
$-22.4M
Q2 24
$1.8M
$-22.3M
Q1 24
$10.3M
$-21.2M
Gross Margin
SIGA
SIGA
SLDP
SLDP
Q4 25
21.2%
Q3 25
61.8%
Q2 25
68.5%
Q1 25
97.8%
Q4 24
82.7%
Q3 24
83.8%
Q2 24
43.6%
Q1 24
87.3%
Operating Margin
SIGA
SIGA
SLDP
SLDP
Q4 25
-730.1%
Q3 25
-390.2%
-654.4%
Q2 25
56.3%
-398.9%
Q1 25
-32.0%
-399.4%
Q4 24
70.1%
-561.1%
Q3 24
5.4%
-593.2%
Q2 24
5.0%
-530.8%
Q1 24
44.3%
-433.1%
Net Margin
SIGA
SIGA
SLDP
SLDP
Q4 25
Q3 25
-243.0%
-693.1%
Q2 25
43.7%
-390.7%
Q1 25
-5.8%
-251.8%
Q4 24
56.2%
Q3 24
13.4%
-482.0%
Q2 24
8.4%
-438.9%
Q1 24
40.4%
-356.2%
EPS (diluted)
SIGA
SIGA
SLDP
SLDP
Q4 25
$-0.15
Q3 25
$-0.09
$-0.14
Q2 25
$0.49
$-0.14
Q1 25
$-0.01
$-0.08
Q4 24
$0.63
$-0.16
Q3 24
$0.02
$-0.13
Q2 24
$0.03
$-0.13
Q1 24
$0.14
$-0.12

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
SIGA
SIGA
SLDP
SLDP
Cash + ST InvestmentsLiquidity on hand
$155.0M
$250.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$198.8M
$415.7M
Total Assets
$219.5M
$455.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SIGA
SIGA
SLDP
SLDP
Q4 25
$155.0M
$250.8M
Q3 25
$172.0M
$251.2M
Q2 25
$182.5M
$230.9M
Q1 25
$162.3M
$240.9M
Q4 24
$155.4M
$118.2M
Q3 24
$99.3M
$132.0M
Q2 24
$106.9M
$140.5M
Q1 24
$143.9M
$146.6M
Stockholders' Equity
SIGA
SIGA
SLDP
SLDP
Q4 25
$198.8M
$415.7M
Q3 25
$203.5M
$381.2M
Q2 25
$209.3M
$370.6M
Q1 25
$216.1M
$397.1M
Q4 24
$215.8M
$410.3M
Q3 24
$169.4M
$439.4M
Q2 24
$167.6M
$456.8M
Q1 24
$165.0M
$479.4M
Total Assets
SIGA
SIGA
SLDP
SLDP
Q4 25
$219.5M
$455.1M
Q3 25
$231.6M
$416.1M
Q2 25
$235.3M
$398.0M
Q1 25
$247.1M
$419.4M
Q4 24
$244.3M
$448.3M
Q3 24
$195.4M
$470.9M
Q2 24
$192.7M
$492.6M
Q1 24
$243.1M
$516.2M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
SIGA
SIGA
SLDP
SLDP
Operating Cash FlowLast quarter
$43.5M
$-18.4M
Free Cash FlowOCF − Capex
$43.1M
$-23.0M
FCF MarginFCF / Revenue
1136.4%
-633.0%
Capex IntensityCapex / Revenue
9.4%
126.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$103.1M
$-83.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SIGA
SIGA
SLDP
SLDP
Q4 25
$43.5M
$-18.4M
Q3 25
$-9.8M
$-14.3M
Q2 25
$63.1M
$-14.4M
Q1 25
$7.1M
$-26.3M
Q4 24
$56.3M
$-13.9M
Q3 24
$-7.4M
$-9.9M
Q2 24
$6.0M
$-11.1M
Q1 24
$-6.1M
$-29.1M
Free Cash Flow
SIGA
SIGA
SLDP
SLDP
Q4 25
$43.1M
$-23.0M
Q3 25
$-10.1M
$-14.8M
Q2 25
$63.1M
$-17.1M
Q1 25
$7.0M
$-28.6M
Q4 24
$56.3M
$-18.6M
Q3 24
$-7.4M
$-12.6M
Q2 24
$6.0M
$-15.5M
Q1 24
$-33.1M
FCF Margin
SIGA
SIGA
SLDP
SLDP
Q4 25
1136.4%
-633.0%
Q3 25
-385.6%
-397.6%
Q2 25
77.8%
-264.2%
Q1 25
99.9%
-476.1%
Q4 24
69.1%
-416.5%
Q3 24
-74.0%
-271.5%
Q2 24
27.3%
-305.8%
Q1 24
-556.3%
Capex Intensity
SIGA
SIGA
SLDP
SLDP
Q4 25
9.4%
126.5%
Q3 25
11.1%
15.3%
Q2 25
0.0%
41.5%
Q1 25
0.4%
39.1%
Q4 24
0.0%
105.5%
Q3 24
0.2%
59.7%
Q2 24
0.0%
86.8%
Q1 24
0.0%
68.1%
Cash Conversion
SIGA
SIGA
SLDP
SLDP
Q4 25
Q3 25
Q2 25
1.78×
Q1 25
Q4 24
1.23×
Q3 24
-5.49×
Q2 24
3.25×
Q1 24
-0.60×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Related Comparisons