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NEPHNephros, Inc.
$3.15$34M
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NEPH logoNephros, Inc.(NEPH)Earnings, Financials & Key Ratios

NEPH•NASDAQ
28.6× P/E·Price updated Jun 19, 2026
SectorHealthcareIndustryMedical InstrumentsSub-IndustryWound care and infection prevention
AboutNephros, Inc. develops and sells high performance water solutions to the medical and commercial markets in the United States. The company operates in three segments: Water Filtration, Pathogen Detection, and Renal Products. It offers ultrafiltration products that are used in dialysis centers for the removal of biological contaminants from water and bicarbonate concentrate; and in hospitals for the prevention of infection from waterborne pathogens, such as legionella and pseudomonas, as well as in military and outdoor recreation, commercial, and other healthcare facilities. The company also develops and sells real-time water testing systems to provide actionable data on waterborne pathogens; and medical device products for patients with renal disease, including a 2nd generation hemodiafiltration system for the treatment of patients with end stage renal disease. In addition, it offers water filters that improve the taste and odor of water, as well as reduce biofilm, bacteria, and scale build-up in downstream equipment under the Nephros and AETHER brands for the food service, hospitality, convenience store, and health care markets. The company was incorporated in 1997 and is headquartered in South Orange, New Jersey.Show more
  • Revenue$19M+32.7%
  • EBITDA$1M+799.3%
  • Net Income$1M+1513.5%
  • EPS (Diluted)0.11+1471.4%
  • Gross Margin61.13%-0.8%
  • EBITDA Margin6.84%+577.9%
  • Operating Margin6.1%+14285.1%
  • Net Margin6.35%+1116.2%
  • ROE12.71%+1355.2%

NEPH Key Insights

Nephros, Inc. (NEPH) fundamental analysis — strengths, weaknesses & financial health based on data analysis

✓Strengths

  • ✓High quality earnings: Operating CF exceeds net income
  • ✓Strong 5Y sales CAGR of 17.0%
  • ✓Efficient asset utilization: 1.4x turnover

✗Weaknesses

  • ✗Trading more than 30% below 52-week high

* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.

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NEPH Price & Volume

Nephros, Inc. (NEPH) stock price & volume — 10-year historical chart

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NEPH Growth Metrics

Nephros, Inc. (NEPH) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR

Revenue CAGR

10 Years25.46%
5 Years17.02%
3 Years23.5%
TTM23.25%

Profit CAGR

10 Years-
5 Years-
3 Years-
TTM-3.12%

EPS CAGR

10 Years-
5 Years-
3 Years-
TTM-6.49%

Return on Capital

10 Years-39.49%
5 Years-12.04%
3 Years-1.75%
Last Year11.17%

NEPH Peer Comparison

Nephros, Inc. (NEPH) competitors in Wound care and infection prevention — business model, growth, and fundamentals comparison

Select Columns
Stock Universe
Valuation
Growth
Profitability
Financial Health
Dividends & Buybacks
Price Performance
Technical
Fundamentals ($)
Sector-Specific
Institutional Holdings
CompanyMarket CapStock PriceP/E Ratio (TTM)Revenue Growth 1YNet MarginReturn on Equity (ROE)FCF YieldDebt / Equity
CNMD logoCNMDCONMED CorporationDirect Competitor1B32.5821.585.16%4%5.4%0.81
NVCR logoNVCRNovoCure LimitedDirect Competitor1.62B14.28-11.708.28%-25.66%-50.82%0.85
ANGO logoANGOAngioDynamics, Inc.Direct Competitor505.13M12.15-14.64-3.76%-9.02%-15.71%
NX logoNXQuanex Building Products CorporationProduct Competitor780.78M17.00-3.1343.81%-13.85%-35.45%1.18
FELE logoFELEFranklin Electric Co., Inc.Product Competitor4.6B104.2032.065.44%6.91%11.44%0.21
CWCO logoCWCOConsolidated Water Co. Ltd.Product Competitor478.25M29.8926.22-1.41%13.5%7.67%0.01
DHR logoDHRDanaher CorporationSupply Chain125.4B177.1735.152.9%14.89%7.06%0.35
PEN logoPENPenumbra, Inc.Supply Chain12.48B317.2070.1817.5%11.76%12.32%0.15

Compare NEPH vs Peers

Nephros, Inc. (NEPH) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.

Closest Rival

vs CNMD

Most directly comparable listed peer for NEPH.

Scale Benchmark

vs DHR

Larger-name benchmark to compare NEPH against a more recognizable public peer.

Peer Set

Compare Top 5

vs CNMD, NVCR, ANGO, NX

NEPH Income Statement

Nephros, Inc. (NEPH) annual income statement — 10-year revenue, gross profit & net income history

10Y historyFree accessUpdated daily
MetricDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Sales/Revenue
3.81M5.69M10.33M8.56M10.22M9.97M14.24M14.16M18.79M19.12M
Revenue Growth %
64.18%49.3%81.71%-17.16%19.34%-2.37%42.74%-0.53%32.67%23.25%
Cost of Goods Sold
1.52M2.48M4.25M3.65M4.58M5.24M5.83M5.44M7.3M7.83M
COGS % of Revenue
39.83%43.68%41.13%42.61%44.87%52.57%40.97%38.41%38.87%-
Gross Profit
2.29M▲ 0%
3.2M▲ 39.7%
6.08M▲ 89.9%
4.91M▼ 19.2%
5.63M▲ 14.7%
4.73M▼ 16.0%
8.4M▲ 77.7%
8.72M▲ 3.8%
11.48M▲ 31.7%
11.29M▲ 0%
Gross Margin %
60.17%56.32%58.87%57.39%55.13%47.43%59.03%61.59%61.13%59.06%
Gross Profit Growth %
77.13%39.75%89.95%-19.25%14.66%-16.01%77.66%3.78%31.66%-
Operating Expenses
4.52M6.22M9.24M9.19M8.88M9.07M10M8.72M10.34M10.62M
OpEx % of Revenue
118.61%109.35%89.4%107.32%86.96%90.89%70.22%61.55%55.03%-
Selling, General & Admin
3.3M4.52M6.12M6.47M7.2M7.59M8.91M7.68M9M9.27M
SG&A % of Revenue
86.58%79.43%59.21%75.53%70.42%76.12%62.59%54.2%47.9%-
Research & Development
1M1.54M3.09M2.76M1.5M1.25M873K906K1.34M1.39M
R&D % of Revenue
26.31%27.06%29.9%32.23%14.66%12.58%6.13%6.4%7.13%-
Other Operating Expenses
218K-35K30K-37K192K218K214K135K0-39K
Operating Income
-2.23M▲ 0%
-3.02M▼ 35.5%
-3.15M▼ 4.6%
-4.28M▼ 35.5%
-3.25M▲ 23.9%
-4.33M▼ 33.3%
-1.59M▲ 63.3%
6K▲ 100.4%
1.15M▲ 19000.0%
677K▲ 0%
Operating Margin %
-58.44%-53.03%-30.53%-49.94%-31.83%-43.46%-11.19%0.04%6.1%3.54%
Operating Income Growth %
22.41%-35.49%-4.61%-35.5%23.93%-33.3%63.25%100.38%19000%-
EBITDA
-2.01M-2.85M-2.96M-4.07M-3M-3.76M-1.38M143K1.29M806K
EBITDA Margin %
-52.72%-50.17%-28.59%-47.51%-29.36%-37.73%-9.69%1.01%6.84%4.21%
EBITDA Growth %
23.91%-42.08%-3.58%-37.63%26.24%-25.47%63.36%110.37%799.3%-12.01%
D&A (Non-Cash Add-back)
218K163K200K208K252K571K214K137K140K129K
EBIT
-2.3M-3.25M-3.21M-4.42M-2.74M-4.26M-1.57M90K1.15M685K
Net Interest Income
-298K-168K-195K-99K-31K-6K62K93K138K157K
Interest Income
4K4K011K10K14K64K94K139K158K
Interest Expense
302K172K195K110K41K20K2K1K1K1K
Other Income/Expense
-372K-402K-249K-251K468K58K18K83K60K111K
Pretax Income
-2.6M▲ 0%
-3.42M▼ 31.6%
-3.4M▲ 0.4%
-4.53M▼ 33.0%
-2.78M▲ 38.5%
-4.28M▼ 53.6%
-1.57M▲ 63.2%
89K▲ 105.7%
1.21M▲ 1255.1%
788K▲ 0%
Pretax Margin %
-68.21%-60.1%-32.94%-52.87%-27.25%-42.88%-11.06%0.63%6.42%4.12%
Income Tax
-1.79M-93K-225K000015K12K12K
Effective Tax Rate %
68.86%2.72%6.61%0%0%0%0%16.85%1%1.52%
Net Income
-809K▲ 0%
-3.4M▼ 320.5%
-3.42M▼ 0.5%
-4.77M▼ 39.4%
-4.11M▲ 13.8%
-7.38M▼ 79.7%
-1.57M▲ 78.7%
74K▲ 104.7%
1.19M▲ 1513.5%
776K▲ 0%
Net Margin %
-21.24%-59.82%-33.09%-55.67%-40.2%-74%-11.06%0.52%6.35%4.06%
Net Income Growth %
73.32%-320.52%-0.53%-39.36%13.83%-79.74%78.66%104.7%1513.51%-3.12%
Net Income (Continuing)
-809K-3.33M-3.18M-4.53M-2.78M-4.28M-1.57M74K1.19M776K
Discontinued Operations
0000-1.08M-2.83M0000
Minority Interest
03M3.01M3.05M3.05M3.29M0000
EPS (Diluted)
-0.14▲ 0%
-0.50▼ 257.1%
-0.42▲ 16.0%
-0.52▼ 23.8%
-0.41▲ 21.2%
-0.72▼ 75.6%
-0.15▲ 79.2%
0.01▲ 104.7%
0.11▲ 1471.4%
0.07▲ 0%
EPS Growth %
75%-257.14%16%-23.81%21.15%-75.61%79.17%104.67%--6.49%
EPS (Basic)
-0.14-0.50-0.42-0.52-0.41-0.72-0.150.010.11-
Diluted Shares Outstanding
5.88M6.85M7.54M9.08M10.02M10.3M10.39M10.6M10.97M10.99M
Basic Shares Outstanding
5.88M6.85M7.54M9.08M10.02M10.3M10.39M10.53M10.61M10.65M
Dividend Payout Ratio
----------

NEPH Balance Sheet

Nephros, Inc. (NEPH) balance sheet — assets, liabilities & shareholders' equity

MetricDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Total Current Assets
3.81M8.17M8.3M15.15M13.63M8.26M8.4M8.3M11.22M11.5M
Cash & Short-Term Investments
2.21M4.58M4.17M8.25M6.97M3.63M4.31M3.76M5.4M4.02M
Cash Only
2.19M4.58M4.17M8.25M6.97M3.63M4.31M3.76M5.4M4.02M
Short-Term Investments
20K000000000
Accounts Receivable
836K1.45M1.27M1.36M1.64M1.29M1.5M1.78M2.41M3.52M
Days Sales Outstanding
80.1193.1944.8658.1558.6247.0638.3545.946.950.75
Inventory
674K1.86M2.56M5.3M4.46M3.15M2.47M2.62M3.23M3.62M
Days Inventory Outstanding
162.17273.9220.03530.69355.29219.46154.56175.49161.51137.84
Other Current Assets
26K231K00351K0132K142K177K338K
Total Non-Current Assets
1.17M2.38M3.33M3.36M4.02M2.74M3.46M2.91M2.42M2.3M
Property, Plant & Equipment
52K91K1.19M1.33M686K1.1M1.96M1.54M1.13M1.02M
Fixed Asset Turnover
73.25x62.49x8.71x6.43x14.89x9.07x7.27x9.21x16.67x16.23x
Goodwill
0748K759K759K759K759K759K759K759K759K
Intangible Assets
1.07M1.53M1.35M1.18M1M825K652K565K318K310K
Long-Term Investments
39K0036K000000
Other Non-Current Assets
11K18K32K53K1.57M54K86K50K214K206K
Total Assets
4.98M▲ 0%
10.56M▲ 111.9%
11.63M▲ 10.1%
18.51M▲ 59.2%
17.65M▼ 4.6%
11M▼ 37.7%
11.86M▲ 7.8%
11.21M▼ 5.5%
13.64M▲ 21.7%
13.79M▲ 0%
Asset Turnover
0.76x0.54x0.89x0.46x0.58x0.91x1.20x1.26x1.38x1.45x
Asset Growth %
86.07%111.88%10.14%59.17%-4.65%-37.68%7.84%-5.49%21.69%76.65%
Total Current Liabilities
1.87M2.65M2.43M1.32M2.39M1.41M2.11M1.56M2.77M2.53M
Accounts Payable
872K836K959K423K1.33M740K873K649K914K1.46M
Days Payables Outstanding
209.81122.8482.3642.32106.2251.5154.6343.5545.6745.98
Short-Term Debt
711K1.19M771K229K248K71K00391K402K
Deferred Revenue (Current)
70K396K00000000
Other Current Liabilities
0590K300K051K0001.37M662K
Current Ratio
2.04x3.08x3.42x11.44x5.70x5.85x3.98x5.31x4.06x4.55x
Quick Ratio
1.68x2.38x2.36x7.43x3.84x3.62x2.81x3.64x2.89x3.12x
Cash Conversion Cycle
32.47244.25182.53546.52307.69215.01138.28177.84162.73142.61
Total Non-Current Liabilities
1.16M1.11M1.51M1.61M511K706K1.39M1.06M672K566K
Long-Term Debt
954K843K623K853K99K1K000566K
Capital Lease Obligations
00889K759K340K705K1.39M1.06M672K2.32M
Deferred Tax Liabilities
-208K000000000
Other Non-Current Liabilities
0263K0072K00000
Total Liabilities
3.03M3.76M3.94M2.94M2.9M2.12M3.5M2.63M3.44M3.09M
Total Debt
1.67M2.03M2.54M2.17M1M1.09M1.84M1.41M1.06M968K
Net Debt
-529K-2.55M-1.62M-6.08M-5.97M-2.54M-2.47M-2.35M-4.34M-3.05M
Debt / Equity
0.85x0.30x0.33x0.14x0.07x0.12x0.22x0.16x0.10x0.09x
Debt / EBITDA
-------9.87x0.83x1.20x
Net Debt / EBITDA
--------16.43x-3.37x-3.78x
Interest Coverage
-7.60x-18.87x-16.46x-40.15x-66.90x-212.85x-786.50x90.00x1146.00x685.00x
Total Equity
1.95M▲ 0%
6.8M▲ 248.6%
7.69M▲ 13.1%
15.57M▲ 102.5%
14.75M▼ 5.3%
8.88M▼ 39.8%
8.36M▼ 5.9%
8.59M▲ 2.7%
10.2M▲ 18.8%
10.7M▲ 0%
Equity Growth %
192.35%248.62%13.11%102.54%-5.29%-39.79%-5.89%2.72%18.84%77.53%
Book Value per Share
0.330.991.021.721.470.860.800.810.930.97
Total Shareholders' Equity
1.95M3.8M4.67M12.52M11.7M5.59M8.36M8.59M10.2M10.7M
Common Stock
55K64K8K10K10K10K10K11K11K11K
Retained Earnings
-121.11M-124.15M-127.33M-131.86M-135.72M-142.83M-144.41M-144.33M-143.14M-143M
Treasury Stock
0000000000
Accumulated OCI
77K71K65K74K64K00000
Minority Interest
03M3.01M3.05M3.05M3.29M0000

NEPH Cash Flow Statement

Nephros, Inc. (NEPH) cash flow — operating, investing & free cash flow history

MetricDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Cash from Operations
-77K-3.66M-2.28M-6.9M-1.42M-3.23M827K-492K1.65M-348K
Operating CF Margin %
-2.02%-64.39%-22.02%-80.63%-13.87%-32.42%5.81%-3.47%8.76%-
Operating CF Growth %
96.35%-4655.84%37.85%-203.3%79.47%-128.23%125.57%-159.49%434.35%-287.01%
Net Income
-809K-3.33M-3.18M-4.53M-3.87M-4.55M-1.57M74K1.19M776K
Depreciation & Amortization
218K163K200K208K252K351K214K137K139K126K
Stock-Based Compensation
772K985K1.33M779K1.26M952K1.05M153K296K210K
Deferred Taxes
0322K56K0000000
Other Non-Cash Items
135K45K-105K129K56K-213K648K698K429K531K
Working Capital Changes
-393K-1.85M-580K-3.49M883K229K488K-1.55M-413K-1.99M
Change in Receivables
-416K-484K392K-333K-278K357K-221K-285K-633K-844K
Change in Inventory
-195K-1.08M-735K-2.76M296K915K387K-407K-685K-1.74M
Change in Payables
268K-130K119K-538K908K-593K133K-220K259K614K
Cash from Investing
0-991K-151K-239K-85K-137K-75K-50K00
Capital Expenditures
00-14K-239K-36K-137K-75K-55K00
CapEx % of Revenue
--0.14%2.79%0.35%1.37%0.53%0.39%-0%
Acquisitions
0-991K-137K0000000
Investments
----------
Other Investing
0000-49K005K00
Cash from Financing
1.99M7.05M2.02M11.22M237K34K-79K-5K-5K285K
Debt Issued (Net)
711K131K-633K-321K-264K-286K-79K-5K-5K-5K
Equity Issued (Net)
1.18M3.78M1.99M11.45M501K163K000290K
Dividends Paid
0000000000
Share Repurchases
0000000000
Other Financing
100K3.14M658K85K0157K0000
Net Change in Cash
1.92M▲ 0%
2.39M▲ 24.4%
-415K▼ 117.4%
4.08M▲ 1083.9%
-1.28M▼ 131.3%
-3.34M▼ 161.7%
673K▲ 120.2%
-547K▼ 181.3%
1.64M▲ 399.8%
-63K▲ 0%
Free Cash Flow
-77K▲ 0%
-3.66M▼ 4655.8%
-2.29M▲ 37.5%
-7.14M▼ 211.9%
-1.45M▲ 79.7%
-3.37M▼ 132.0%
752K▲ 122.3%
-547K▼ 172.7%
1.65M▲ 400.7%
-348K▲ 0%
FCF Margin %
-2.02%-64.39%-22.16%-83.42%-14.22%-33.79%5.28%-3.86%8.76%-1.82%
FCF Growth %
96.43%-4655.84%37.47%-211.88%79.66%-132%122.31%-172.74%400.73%-177.85%
FCF per Share
-0.01-0.53-0.30-0.79-0.15-0.330.07-0.050.15-0.03
FCF Conversion (FCF/Net Income)
0.10x1.08x0.67x1.45x0.35x0.44x-0.53x-6.65x1.38x-0.45x
Interest Paid
148K150K139K93K41K00001K
Taxes Paid
7K4K5K22K79K00000

NEPH Key Ratios

Nephros, Inc. (NEPH) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios

Metric201720182019202020212022202320242025TTM
Return on Equity (ROE)
-61.83%-77.78%-47.21%-40.98%-27.09%-62.48%-18.27%0.87%12.71%7.66%
Return on Invested Capital (ROIC)
-125.95%-79.83%-45.88%-41.2%-26.7%-43.02%-19.54%0.07%14.21%8.04%
Gross Margin
60.17%56.32%58.87%57.39%55.13%47.43%59.03%61.59%61.13%59.06%
Net Margin
-21.24%-59.82%-33.09%-55.67%-40.2%-74%-11.06%0.52%6.35%4.06%
Debt / Equity
0.85x0.30x0.33x0.14x0.07x0.12x0.22x0.16x0.10x0.09x
Interest Coverage
-7.60x-18.87x-16.46x-40.15x-66.90x-212.85x-786.50x90.00x1146.00x685.00x
FCF Conversion
0.10x1.08x0.67x1.45x0.35x0.44x-0.53x-6.65x1.38x-0.45x
Revenue Growth
64.18%49.3%81.71%-17.16%19.34%-2.37%42.74%-0.53%32.67%23.25%
Related:NEPH Dividend History·NEPH Revenue History·NEPH Price History·NEPH P/E History·NEPH Financial Ratios·NEPH Institutional Holders

NEPH SEC Filings & Documents

Nephros, Inc. (NEPH) SEC filings — annual & quarterly reports (10-K, 10-Q)

8-K Announcements

6
Material company update

May 7, 2026·SEC

Material company update

Mar 27, 2026·SEC

Material company update

Nov 26, 2025·SEC

10-K Annual Reports

4
FY 2026

Mar 12, 2026·SEC

FY 2025

Mar 24, 2025·SEC

FY 2024

Mar 15, 2024·SEC

10-Q Quarterly Reports

6
FY 2026

May 7, 2026·SEC

FY 2025

Nov 6, 2025·SEC

FY 2025

Aug 7, 2025·SEC

NEPH Frequently Asked Questions

Nephros, Inc. (NEPH) stock FAQ — growth, dividends, profitability & financials explained

Growth & Financials

Nephros, Inc. (NEPH) reported $19.1M in revenue for fiscal year 2025.

Nephros, Inc. (NEPH) grew revenue by 32.7% over the past year. This is strong growth.

Yes, Nephros, Inc. (NEPH) is profitable, generating $0.8M in net income for fiscal year 2025 (6.4% net margin).

Dividend & Returns

Nephros, Inc. (NEPH) has a return on equity (ROE) of 12.7%. This is reasonable for most industries.

Nephros, Inc. (NEPH) had negative free cash flow of $0.3M in fiscal year 2025, likely due to heavy capital investments.

What if you invested $1,000 in NEPH back in 2002?

Total return calculator · dividends reinvested · 24+ years of data

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How much would $100/month in NEPH be worth today?

Dollar cost averaging calculator · DCA vs lump sum

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