Nephros, Inc. (NEPH) Key Metrics

NASDAQ: NEPHValuation, returns, debt and efficiency ratios over 10 years.

NEPH valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$39.6M
Enterprise value
$41.9M
P/E (TTM)
24.3
Forward P/E
—
PEG ratio
—
Price / sales
1.9
10-yr median 6.0
Price / book
3.8
10-yr median 5.7
EV / EBITDA
22.3
Dividend yield
—
Beta
1.64

NEPH key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

NEPH valuation Price multiples at each fiscal year-end price.

P/E ratio−78.7%
44.8
2025 · hover or tap a bar for each year
2024: 210.62025: 44.8 (−78.7%)
20162025
Price / sales+158.9%
2.8
2025 · hover or tap a bar for each year
2016: 7.7 (+98.9%)2017: 6.3 (−18.4%)2018: 6.2 (−1.3%)2019: 7.3 (+17.6%)2020: 9.1 (+25.3%)2021: 5.8 (−36.4%)2022: 1.2 (−79.4%)2023: 2.5 (+111.3%)2024: 1.1 (−56.4%)2025: 2.8 (+158.9%)
20162025
Price / book+189.0%
5.2
2025 · hover or tap a bar for each year
2016: 26.7 (+848.2%)2017: 12.2 (−54.2%)2018: 9.2 (−24.3%)2019: 16.1 (+73.6%)2020: 6.2 (−61.2%)2021: 5.1 (−18.8%)2022: 2.1 (−57.8%)2023: 4.3 (+101.8%)2024: 1.8 (−57.8%)2025: 5.2 (+189.0%)
20162025
EV / EBITDA−37.3%
36.5
2025 · hover or tap a bar for each year
2024: 58.32025: 36.5 (−37.3%)
20162025
Price / free cash flow
32.5
2025 · hover or tap a bar for each year
2023: 47.82025: 32.5
20162025
Free cash flow yield+6.6 pts
3.1%
2025 · hover or tap a bar for each year
2016: −12.1% (+39.0 pts)2017: −0.3% (+11.8 pts)2018: −10.4% (−10.1 pts)2019: −3.1% (+7.4 pts)2020: −9.2% (−6.1 pts)2021: −2.5% (+6.7 pts)2022: −28.3% (−25.8 pts)2023: 2.1% (+30.4 pts)2024: −3.5% (−5.6 pts)2025: 3.1% (+6.6 pts)
20162025

NEPH valuation history

Fiscal year-endToday10-year median

NEPH returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

NEPH debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

NEPH cash returned to shareholders

DividendsBuybacksFree cash flow

NEPH price vs earnings per share

Share price at year-endEPS (right axis)

NEPH key metrics

2016–2025
Nephros, Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$53.5M$15.6M$35.9M$11.9M$59.1M$77.9M$75.0M$35.1M$23.8M$17.8M
Enterprise value$49.2M$13.2M$33.5M$9.4M$53.1M$71.8M$73.4M$32.6M$23.3M$18.3M
P/E ratio44.8210.6————————
Price / sales2.81.12.51.25.89.17.36.26.37.7
Price / book5.21.84.32.15.16.216.19.212.226.7
Price / free cash flow32.5—47.8———————
Price / operating cash flow32.5—43.5———————
EV / sales2.60.92.40.95.28.47.15.76.17.9
EV / EBITDA36.558.3————————
EV / free cash flow29.9—44.5———————
Earnings yield2.2%0.5%−4.4%−62.0%−6.9%−6.1%−4.6%−9.7%−3.4%−17.0%
Free cash flow yield3.1%−3.5%2.1%−28.3%−2.5%−9.2%−3.1%−10.4%−0.3%−12.1%
Dividend yield———2.3%——————
Shareholder yield (dividends + buybacks)———2.6%—0.0%0.0%0.0%0.0%0.0%
Share price at fiscal year-end$4.88$1.47$3.46$1.16$5.90$8.58$9.95$5.13$4.05$3.29
Per share
Revenue per share$1.71$1.34$1.37$0.97$1.02$0.94$1.37$0.83$0.65$0.43
Earnings per share$0.11$0.01−$0.15−$0.72−$0.41−$0.52−$0.45−$0.50−$0.14−$0.56
Operating cash flow per share$0.15−$0.05$0.08−$0.31−$0.14−$0.76−$0.30−$0.53−$0.01−$0.39
Free cash flow per share$0.15−$0.05$0.07−$0.33−$0.15−$0.79−$0.30−$0.53−$0.01−$0.40
Cash per share$0.49$0.35$0.41$0.35$0.70$0.91$0.55$0.67$0.38$0.06
Book value per share$0.93$0.81$0.80$0.54$1.17$1.38$0.62$0.55$0.33$0.12
Tangible book value per share$0.83$0.68$0.67$0.39$0.99$1.17$0.34$0.22$0.15−$0.11
Dividends per share———$0.03——————
Capex per share$0.00$0.01$0.01$0.01$0.00$0.03$0.00$0.00$0.00$0.01
Debt per share$0.10$0.13$0.18$0.11$0.10$0.24$0.34$0.30$0.28$0.16
Shares outstanding11.0M10.6M10.4M10.3M10.0M9.1M7.5M6.8M5.9M5.4M
Change in shares outstanding+3.5%+2.1%+0.9%+2.8%+10.3%+20.4%+10.2%+16.4%+9.0%+39.7%
Returns & profitability
Return on equity (ROE)12.7%0.9%−22.6%−85.4%−33.9%−55.4%−80.7%−118.4%−61.8%−182.0%
Return on invested capital (ROIC)18.8%0.1%−28.2%−78.1%−42.2%−71.1%−115.9%−180.0%−135.1%−173.1%
Return on assets (ROA)9.6%0.6%−13.8%−51.5%−22.7%−31.6%−30.8%−43.8%−21.1%−91.2%
Return on tangible assets9.5%0.7%−15.1%−78.4%−25.8%−28.8%−35.9%−41.1%−20.7%−214.1%
Free cash flow margin8.8%−3.9%5.3%−33.8%−14.2%−83.4%−22.2%−64.4%−2.0%−93.0%
Income quality (OCF / net income)1.38−6.65————————
Financial health
Total debt$1.1M$1.4M$1.8M$1.1M$1.0M$2.2M$2.5M$2.0M$1.7M$838,000
Cash & short-term investments$5.4M$3.8M$4.3M$3.6M$7.0M$8.2M$4.2M$4.6M$2.2M$302,000
Net debt−$4.3M−$2.3M−$2.5M−$2.5M−$6.0M−$6.1M−$1.6M−$2.6M−$549,000$536,000
Debt / equity0.100.160.220.200.090.170.540.530.851.26
Debt / assets0.080.130.150.100.060.120.220.190.330.31
Net debt / EBITDA−3.22−10.35————————
Current ratio4.065.313.985.855.7011.443.423.082.041.41
Quick ratio2.893.642.813.623.847.432.362.381.680.88
Interest coverage—6.0-796.5-216.8-79.3-38.9-16.2-17.5-7.4-16.7
Working capital$8.5M$6.7M$6.3M$6.8M$11.2M$13.8M$5.9M$5.5M$1.9M$369,000
Invested capital$5.9M$6.2M$5.9M$3.1M$5.7M$6.4M$3.1M$1.2M$1.4M$1.2M
Tangible asset value$9.1M$7.3M$6.9M$7.3M$13.0M$13.6M$5.6M$4.5M$878,000−$595,000
Net current asset value$7.8M$5.7M$4.9M$6.1M$10.7M$12.2M$4.4M$4.4M$776,000−$747,000
Graham number$1.51$0.36————————
Graham net-net per share$0.49$0.36$0.30$0.39$0.75$0.99$0.33$0.42$0.02−$0.22
Capital allocation
Dividends paid———$276,000——————
Share buybacks (net)———$31,000—$0$0$0$0$0
Capex / revenue0.0%0.4%0.5%1.4%0.4%2.8%0.1%0.2%0.4%1.9%
Capex / operating cash flow0.0%—9.1%———————
Capex / depreciation0.000.400.350.390.141.150.070.090.060.20
Stock-based compensation / revenue1.6%1.1%7.4%9.8%12.3%9.1%12.9%17.3%20.3%25.7%
R&D / revenue7.1%6.4%6.1%12.6%14.7%32.2%29.9%27.1%26.3%46.5%
SG&A / revenue47.9%54.2%58.2%76.1%75.5%75.5%59.2%79.4%86.6%123.0%
Efficiency
Days sales outstanding40.742.235.753.653.756.248.173.458.661.8
Days of inventory on hand146.1170.6175.9265.0388.8393.5190.1186.5138.7190.3
Days payables outstanding39.151.150.572.270.069.177.1125.5175.3220.0
Cash conversion cycle (days)147.8161.8161.1246.4372.5380.5161.0134.422.132.0
Receivables turnover8.968.6410.246.826.806.507.594.976.225.91
Payables turnover9.357.157.235.065.225.284.742.912.081.66
Inventory turnover2.502.142.071.380.940.931.921.962.631.92
Asset turnover1.511.231.250.700.570.570.930.730.990.70
Average receivables$2.1M$1.6M$1.4M$1.5M$1.5M$1.3M$1.4M$1.1M$612,000$392,500
Average payables$781,500$761,000$806,500$1.0M$878,500$691,000$897,500$854,000$728,500$618,500
Average inventory$2.9M$2.5M$2.8M$3.8M$4.9M$3.9M$2.2M$1.3M$576,500$535,000
Intangibles / total assets7.9%11.8%11.9%14.4%10.0%10.5%18.2%21.6%21.5%47.1%

Computed from NEPH's annual financial statements (latest annual report filed March 12, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

NEPH valuation and financial ratios

At the end of fiscal 2025 (December 31, 2025), Nephros traded at 44.8 times earnings. Based on the latest twelve months, the trailing P/E is 24.3. Nephros earned a return on equity of 12.7% and a return on invested capital of 18.8% in fiscal 2025. It ended the year with $1.1 million of debt and $5.4 million in cash and short-term investments, a net cash position of $4.3 million. The share count rose 103.2% from 5.4M to 11.0M over 9 years.

See the NEPH income statement, the NEPH chart for price history, or the NEPH stock overview for the latest quote and news.

NEPH key metrics FAQ

What is Nephros's P/E ratio?

Nephros's trailing P/E ratio is 24.3 based on the last twelve months of earnings (as of October 18, 2026). At the end of fiscal 2025 it was 44.8.

What is Nephros's EV/EBITDA?

Nephros's enterprise value was 36.5 times EBITDA at the end of fiscal 2025 (enterprise value $49.2 million, EBITDA $1.3 million); the current EV/EBITDA is 22.3.

What is Nephros's return on equity?

Nephros's return on equity (ROE) was 12.7% in fiscal 2025: net income of $1.2 million on average shareholders' equity of $9.4 million.

What is Nephros's ROIC?

Nephros's return on invested capital was 18.8% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Nephros have?

Nephros had total debt of $1.1 million at the end of fiscal 2025, a debt-to-equity ratio of 0.10 and more cash than debt.

What is Nephros's free cash flow yield?

Nephros generated $1.6 million of free cash flow in fiscal 2025, a free cash flow yield of 3.1% on its market value at year-end ($53.5 million).

What is Nephros's current ratio?

Nephros's current ratio was 4.06 at the end of fiscal 2025: current assets were 4.06 times current liabilities.

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