NATURAL RESOURCE PARTNERS LP (NRP) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value (m); Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value (m); Formula and calculation Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified..
Spending and interest coverage
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | (m) | Share-based compensation / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Interest coverage · 12 months | (m) | Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | |
| Revenue | (m) | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 8.57M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 111.66M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: (m). Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | (m) | (m) | $8.57M | $111.66M | (m) | (m) | (m) | (m) | (m) |
| 2026-03-31 | (m) | (m) | $9.56M | $122.02M | (m) | (m) | (m) | (m) | (m) |
| 2025-12-31 | (m) | (m) | $11.12M | $144.35M | (m) | (m) | (m) | (m) | (m) |
| 2025-09-30 | (m) | (m) | $10.53M | $158.49M | (m) | (m) | (m) | (m) | (m) |
| 2025-06-30 | (m) | (m) | $10.81M | $168.60M | (m) | (m) | (m) | (m) | (m) |
| 2025-03-31 | (m) | $218.04M | $11.06M | $182.42M | (m) | (m) | 5.07% | (m) | (m) |
| 2024-12-31 | (m) | $232.35M | $11.31M | $199.20M | (m) | (m) | 4.87% | (m) | (m) |
| 2024-09-30 | (m) | $243.49M | $11.88M | $221.80M | (m) | (m) | 4.88% | (m) | (m) |
| 2024-06-30 | (m) | $261.62M | $11.65M | $246.70M | (m) | (m) | 4.45% | (m) | (m) |
| 2024-03-31 | (m) | $268.04M | $11.38M | $270.11M | $14.74M | (m) | 4.25% | 18.33× | Reported |
| 2023-12-31 | (m) | $278.73M | $10.91M | $292.54M | $14.10M | (m) | 3.91% | 20.74× | Reported |
| 2023-09-30 | (m) | $281.03M | $9.46M | $294.43M | $13.82M | (m) | 3.37% | 21.30× | Reported |
| 2023-06-30 | (m) | $293.88M | $8.12M | $308.92M | $15.12M | (m) | 2.76% | 20.43× | Reported |
| 2023-03-31 | (m) | $312.20M | $6.82M | $314.07M | $19.74M | (m) | 2.18% | 15.91× | Reported |
| 2022-12-31 | (m) | $307.01M | $5.77M | $305.23M | $26.27M | (m) | 1.88% | 11.62× | Reported |
| 2022-09-30 | (m) | $311.62M | $5.42M | $299.65M | $32.20M | (m) | 1.74% | 9.30× | Reported |
| 2022-06-30 | (m) | $312.64M | $5.11M | $256.62M | $36.72M | (m) | 1.63% | 6.99× | Reported |
| 2022-03-31 | (m) | $248.84M | $4.36M | $202.71M | $38.29M | (m) | 1.75% | 5.29× | Reported |
| 2021-12-31 | (m) | $194.25M | $4.04M | $147.78M | $38.88M | (m) | 2.08% | 3.80× | Reported |
| 2021-09-30 | (m) | $154.49M | $3.84M | $107.33M | $39.38M | (m) | 2.49% | 2.73× | Reported |
| 2021-06-30 | (m) | $132.38M | $3.64M | $85.65M | $39.99M | (m) | 2.75% | 2.14× | Reported |
| 2021-03-31 | (m) | $130.19M | $3.97M | $-54.58M | $40.63M | (m) | 3.05% | -1.34× | Reported |
| 2020-12-31 | (m) | $129.01M | $3.57M | $-43.85M | $40.97M | (m) | 2.77% | -1.07× | Reported |
| 2020-09-30 | (m) | $137.06M | $3.08M | $-177.67M | $41.28M | (m) | 2.25% | -4.30× | Reported |
| 2020-06-30 | (m) | $152.90M | $2.64M | $-145.55M | $41.46M | (m) | 1.73% | -3.51× | Reported |
| 2020-03-31 | (m) | $189.19M | $2.19M | $30.47M | $43.59M | (m) | 1.16% | 0.70× | Reported |
| 2019-12-31 | (m) | $210.35M | $2.36M | $51.32M | $47.45M | (m) | 1.12% | 1.08× | Reported |
| 2019-09-30 | (m) | $219.39M | $2.13M | $212.47M | $54.06M | (m) | 0.97% | 3.93× | Reported |
| 2019-06-30 | (m) | $224.98M | $1.82M | $206.22M | $61.12M | (m) | 0.81% | 3.37× | Reported |
| 2019-03-31 | (m) | $208.01M | $1.65M | $198.24M | $66.40M | (m) | 0.79% | 2.99× | Reported |
| 2018-12-31 | (m) | $202.76M | $1.43M | $192.54M | $70.18M | (m) | 0.71% | 2.74× | Reported |
| 2018-09-30 | (m) | $252.97M | (m) | $194.26M | $72.64M | (m) | (m) | 2.67× | Reported |
| 2018-06-30 | (m) | $299.43M | (m) | $197.44M | $75.17M | (m) | (m) | 2.63× | Reported |
| 2018-03-31 | (m) | $335.36M | (m) | $190.99M | $77.77M | (m) | (m) | 2.46× | Reported |
| 2017-12-31 | (m) | $374.16M | (m) | $183.97M | $82.90M | (m) | (m) | 2.22× | Reported |
| 2017-09-30 | (m) | $359.65M | (m) | $161.08M | $86.90M | (m) | (m) | 1.85× | Reported |
| 2017-06-30 | (m) | $357.98M | (m) | $153.46M | $89.31M | (m) | (m) | 1.72× | Reported |
| 2017-03-31 | (m) | $385.73M | (m) | $173.80M | $90.99M | (m) | (m) | 1.91× | Reported |
| 2016-12-31 | (m) | $370.98M | (m) | $185.75M | $90.05M | (m) | (m) | 2.06× | Reported |
| 2016-09-30 | (m) | $446.64M | (m) | $-116.26M | $94.98M | (m) | (m) | -1.22× | Reported |
| 2016-06-30 | (m) | $467.39M | (m) | $-463.00M | $94.93M | (m) | (m) | -4.88× | Reported |
| 2016-03-31 | (m) | $462.06M | (m) | $-471.17M | $94.63M | (m) | (m) | -4.98× | Reported |
| 2015-12-31 | (m) | $488.85M | (m) | $-477.91M | $93.83M | (m) | (m) | -5.09× | Reported |
| 2015-09-30 | (m) | $510.06M | (m) | $-448.90M | $92.42M | (m) | (m) | -4.86× | Reported |
| 2015-06-30 | (m) | $476.19M | (m) | $182.41M | $87.57M | (m) | (m) | 2.08× | Reported |
| 2015-03-31 | (m) | $429.12M | (m) | $176.90M | $83.27M | (m) | (m) | 2.12× | Reported |
| 2014-12-31 | (m) | $399.75M | (m) | $188.92M | $80.19M | (m) | (m) | 2.36× | Reported |
| 2014-09-30 | (m) | $357.22M | (m) | $224.62M | $77.54M | (m) | (m) | 2.90× | Reported |
| 2014-06-30 | (m) | $347.85M | (m) | $221.22M | $74.19M | (m) | (m) | 2.98× | Reported |
| 2014-03-31 | (m) | $344.09M | (m) | $226.15M | $69.59M | (m) | (m) | 3.25× | Reported |
| 2013-12-31 | (m) | $358.12M | (m) | $236.24M | $64.40M | (m) | (m) | 3.67× | Reported |
| 2013-09-30 | (m) | $365.81M | (m) | $242.69M | $57.78M | (m) | (m) | 4.20× | Reported |
| 2013-06-30 | (m) | $377.75M | (m) | $256.71M | $55.94M | (m) | (m) | 4.59× | Reported |
| 2013-03-31 | (m) | $381.61M | (m) | $264.87M | $55.08M | (m) | (m) | 4.81× | Reported |
| 2012-12-31 | (m) | $379.15M | (m) | $267.17M | $53.97M | (m) | (m) | 4.95× | Reported |
| 2012-09-30 | (m) | $369.85M | (m) | $191.36M | $54.20M | (m) | (m) | 3.53× | Reported |
| 2012-06-30 | (m) | $378.83M | (m) | $107.92M | $53.30M | (m) | (m) | 2.02× | Reported |
| 2012-03-31 | (m) | $384.70M | (m) | $113.10M | $52.15M | (m) | (m) | 2.17× | Reported |
| 2011-12-31 | (m) | $377.68M | (m) | $104.14M | $49.18M | (m) | (m) | 2.12× | Reported |
| 2011-09-30 | (m) | $357.57M | (m) | $157.01M | $46.15M | (m) | (m) | 3.40× | Reported |
| 2011-06-30 | (m) | $334.56M | (m) | $223.87M | $43.58M | (m) | (m) | 5.14× | Reported |
| 2011-03-31 | (m) | $322.73M | (m) | $211.01M | $41.49M | (m) | (m) | 5.09× | Reported |
| 2010-12-31 | (m) | $301.40M | (m) | $196.06M | $41.63M | (m) | (m) | 4.71× | Reported |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | (m) | $256.08M | (m) | $153.97M | $40.11M | (m) | (m) | 3.84× | Reported |
| 2009-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-12-31 | (m) | $291.67M | (m) | $197.01M | $28.36M | (m) | (m) | 6.95× | Reported |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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