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NASDAQ: NEPH
Nephros Inc Stock Ownership - Who owns Nephros?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Nephros Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert R. Banks Jr.President and CEO2026-03-23120,000$1.44
$172.80kBuy
Judy KrandelChief Financial Officer2026-03-2368,861$1.71
$117.75kBuy

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Net Insider Buy/Sell (L12M) Ownership

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NEPH Shareholders

What type of owners hold Nephros Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Lambda Investors LLC408.72%44,372,491$148.20MInsider
Wexford Capital LP165.63%17,982,173$60.06MInsider
Stagg Capital Group LLC34.54%3,749,558$12.52MInsider
Wexford Capital LP33.16%3,600,552$12.03MInstitution
Enso Capital Management LLC31.39%3,407,616$11.38MInsider
Matthew Rosenberg7.81%847,935$2.83MInsider
Topline Capital Management LLC5.36%581,967$1.94MInstitution
Eric A. Md Rose5.07%550,000$1.84MInsider
Southpaw Asset Management LP4.84%525,079$1.75MInsider
Lawrence J. Centella2.01%218,467$729.68kInsider

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NEPH vs Medical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
NEPH6.84%93.16%Net BuyingNet Buying
MLSS5.13%57.46%Net Selling
HBIO4.93%95.07%Net SellingNet Buying
ZTEK1.76%0.00%
RVP6.80%93.20%Net Buying
View Top Medical Stocks

Nephros Stock Ownership FAQ

Who owns Nephros?

Nephros (NASDAQ: NEPH) is owned by 49.47% institutional shareholders, 673.47% Nephros insiders, and 0.00% retail investors. Lambda Investors LLC is the largest individual Nephros shareholder, owning 44.37M shares representing 408.72% of the company. Lambda Investors LLC's Nephros shares are currently valued at $148.20M.

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