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Side-by-side financial comparison of IRONWOOD PHARMACEUTICALS INC (IRWD) and NATURAL RESOURCE PARTNERS LP (NRP). Click either name above to swap in a different company.

NATURAL RESOURCE PARTNERS LP is the larger business by last-quarter revenue ($51.3M vs $47.7M, roughly 1.1× IRONWOOD PHARMACEUTICALS INC). NATURAL RESOURCE PARTNERS LP runs the higher net margin — 78.5% vs -4.8%, a 83.3% gap on every dollar of revenue. On growth, NATURAL RESOURCE PARTNERS LP posted the faster year-over-year revenue change (-21.8% vs -47.3%). Over the past eight quarters, NATURAL RESOURCE PARTNERS LP's revenue compounded faster (-8.3% CAGR vs -20.2%).

Ironwood Pharmaceuticals, Inc. is a publicly traded pharmaceutical company. It was originally called Microbia, Inc.

Natural Resource Partners LP is a U.S.-headquartered master limited partnership that owns, manages and leases mineral reserve interests. Its asset portfolio covers coal, aggregates, industrial minerals and oil & gas, with operations primarily across North America, deriving most revenue from royalties paid by third-party resource extraction operators.

IRWD vs NRP — Head-to-Head

Bigger by revenue
NRP
NRP
1.1× larger
NRP
$51.3M
$47.7M
IRWD
Growing faster (revenue YoY)
NRP
NRP
+25.5% gap
NRP
-21.8%
-47.3%
IRWD
Higher net margin
NRP
NRP
83.3% more per $
NRP
78.5%
-4.8%
IRWD
Faster 2-yr revenue CAGR
NRP
NRP
Annualised
NRP
-8.3%
-20.2%
IRWD

Income Statement — Q4 FY2025 vs Q1 FY2025

Metric
IRWD
IRWD
NRP
NRP
Revenue
$47.7M
$51.3M
Net Profit
$-2.3M
$40.3M
Gross Margin
Operating Margin
14.3%
83.7%
Net Margin
-4.8%
78.5%
Revenue YoY
-47.3%
-21.8%
Net Profit YoY
-200.9%
-28.4%
EPS (diluted)
$0.01

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
IRWD
IRWD
NRP
NRP
Q4 25
$47.7M
Q3 25
$122.1M
Q2 25
$85.2M
Q1 25
$41.1M
$51.3M
Q4 24
$90.5M
$61.8M
Q3 24
$91.6M
$50.4M
Q2 24
$94.4M
$54.6M
Q1 24
$74.9M
$65.6M
Net Profit
IRWD
IRWD
NRP
NRP
Q4 25
$-2.3M
Q3 25
$40.1M
Q2 25
$23.6M
Q1 25
$-37.4M
$40.3M
Q4 24
$2.3M
$42.8M
Q3 24
$3.6M
$38.6M
Q2 24
$-860.0K
$46.1M
Q1 24
$-4.2M
$56.2M
Operating Margin
IRWD
IRWD
NRP
NRP
Q4 25
14.3%
Q3 25
61.8%
Q2 25
53.2%
Q1 25
-70.7%
83.7%
Q4 24
34.8%
74.9%
Q3 24
28.0%
84.9%
Q2 24
26.5%
92.3%
Q1 24
14.7%
91.0%
Net Margin
IRWD
IRWD
NRP
NRP
Q4 25
-4.8%
Q3 25
32.8%
Q2 25
27.7%
Q1 25
-90.9%
78.5%
Q4 24
2.5%
69.2%
Q3 24
4.0%
76.6%
Q2 24
-0.9%
84.4%
Q1 24
-5.6%
85.7%
EPS (diluted)
IRWD
IRWD
NRP
NRP
Q4 25
$0.01
Q3 25
$0.23
Q2 25
$0.14
Q1 25
$-0.23
Q4 24
$0.03
Q3 24
$0.02
Q2 24
$-0.01
Q1 24
$-0.03

Balance Sheet & Financial Strength

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

Metric
IRWD
IRWD
NRP
NRP
Cash + ST InvestmentsLiquidity on hand
$215.5M
$30.9M
Total DebtLower is stronger
$138.8M
Stockholders' EquityBook value
$-261.8M
Total Assets
$396.9M
$772.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRWD
IRWD
NRP
NRP
Q4 25
$215.5M
Q3 25
$140.4M
Q2 25
$92.9M
Q1 25
$108.5M
$30.9M
Q4 24
$88.6M
$30.4M
Q3 24
$88.2M
$30.9M
Q2 24
$105.5M
$32.3M
Q1 24
$121.5M
$11.0M
Total Debt
IRWD
IRWD
NRP
NRP
Q4 25
Q3 25
$199.5M
Q2 25
$199.3M
Q1 25
$199.2M
$138.8M
Q4 24
$199.0M
$142.1M
Q3 24
$198.8M
$197.4M
Q2 24
$198.6M
$210.3M
Q1 24
$398.3M
$188.8M
Stockholders' Equity
IRWD
IRWD
NRP
NRP
Q4 25
$-261.8M
Q3 25
$-264.2M
Q2 25
$-308.2M
Q1 25
$-334.1M
Q4 24
$-301.3M
Q3 24
$-311.3M
Q2 24
$-321.7M
Q1 24
$-330.5M
Total Assets
IRWD
IRWD
NRP
NRP
Q4 25
$396.9M
Q3 25
$396.1M
Q2 25
$342.9M
Q1 25
$327.2M
$772.5M
Q4 24
$350.9M
$772.9M
Q3 24
$389.5M
$772.9M
Q2 24
$395.6M
$789.6M
Q1 24
$438.8M
$772.9M

Cash Flow & Capital Efficiency

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

Metric
IRWD
IRWD
NRP
NRP
Operating Cash FlowLast quarter
$74.6M
$34.4M
Free Cash FlowOCF − Capex
$74.6M
FCF MarginFCF / Revenue
156.3%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
0.86×
TTM Free Cash FlowTrailing 4 quarters
$127.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRWD
IRWD
NRP
NRP
Q4 25
$74.6M
Q3 25
$47.6M
Q2 25
$-15.1M
Q1 25
$20.0M
$34.4M
Q4 24
$15.2M
$66.2M
Q3 24
$9.9M
$54.1M
Q2 24
$33.5M
$56.6M
Q1 24
$45.0M
$71.5M
Free Cash Flow
IRWD
IRWD
NRP
NRP
Q4 25
$74.6M
Q3 25
$47.6M
Q2 25
$-15.1M
Q1 25
$19.9M
Q4 24
Q3 24
$9.9M
Q2 24
$33.4M
Q1 24
$44.9M
FCF Margin
IRWD
IRWD
NRP
NRP
Q4 25
156.3%
Q3 25
39.0%
Q2 25
-17.7%
Q1 25
48.4%
Q4 24
Q3 24
10.8%
Q2 24
35.4%
Q1 24
60.0%
Capex Intensity
IRWD
IRWD
NRP
NRP
Q4 25
0.0%
Q3 25
0.0%
Q2 25
0.0%
Q1 25
0.1%
Q4 24
0.0%
0.0%
Q3 24
0.0%
0.0%
Q2 24
0.1%
0.0%
Q1 24
0.1%
0.0%
Cash Conversion
IRWD
IRWD
NRP
NRP
Q4 25
Q3 25
1.19×
Q2 25
-0.64×
Q1 25
0.86×
Q4 24
6.74×
1.55×
Q3 24
2.71×
1.40×
Q2 24
1.23×
Q1 24
1.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IRWD
IRWD

Segment breakdown not available.

NRP
NRP

Coal Royalty Revenues$35.5M69%
Soda Ash Segment$4.6M9%
Transportation And Processing Services$4.4M9%
Production Lease Minimum Revenues$2.7M5%
Oil And Gas Royalty Revenues$2.4M5%
Other$1.6M3%

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