Who Owns Nephros, Inc. (NEPH)?Hedge Fund & Institutional Holders

$3.56-0.24 (-6.32%)HealthcareNASDAQ

Institutional Holders

39

as of Q4 2025

Total Institutional Value

$2.9970005930001217e+65T

% of Float Held

QoQ Change in Holders

+13 / -3

Price History

$1.36$2.47$3.57$4.68$5.79Sep 24Jun 25Mar 26

NEPH — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Topline Capital Management, LLCIncreased+18K+$176.5M
De Lisle Partners LLPNew Position+25K+$122.0M
Heron Bay Capital ManagementNew Position+13K+$65.0M
Centiva Capital, LPNew Position+11K+$52.0M
ESSEX INVESTMENT MANAGEMENT CO LLCNew Position+39K+$190K
NAVELLIER & ASSOCIATES INCNew Position+27K+$132K
Cannell & Spears LLCNew Position+11K+$53K
ROYAL BANK OF CANADAIncreased+736+$0
MARSHALL WACE, LLPNew Position+22K+$0
PRELUDE CAPITAL MANAGEMENT, LLCNew Position+15K+$0
Cambridge Investment Research Advisors, Inc.New Position+69K+$0
NewEdge Advisors, LLCNew Position+27+$0
Quadrature Capital LtdNew Position+23K+$0
Kestra Advisory Services, LLCNew Position+6K+$0
SageView Advisory Group, LLCNew Position+590+$0

NEPH — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
SUSQUEHANNA INTERNATIONAL GROUP, LLPClosed Position-10K-$49.1M
BARD ASSOCIATES INCDecreased-6K-$8.3M
VANGUARD GROUP INCDecreased-48K-$1.3M
BARCLAYS PLCClosed Position-106-$501K
UBS Group AGClosed Position-66-$312K
ELKHORN PARTNERS LIMITED PARTNERSHIPDecreased-6K-$25K
GEODE CAPITAL MANAGEMENT, LLCDecreased-1K-$0
BANK OF AMERICA CORP /DE/Decreased-19-$0

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Topline Capital Management, LLC614,302$3.0B0.27%Share
2BARD ASSOCIATES INC121,619$593.0M0.15%Share
3De Lisle Partners LLP25,000$122.0M0.02%Share
4Heron Bay Capital Management13,471$65.0M0.01%Share
5Centiva Capital, LP10,835$52.0M0.00%Share
6WEXFORD CAPITAL LP3,617,033$17.7M3.40%Share
7Mesirow Financial Investment Management, Inc.50,000$244K0.01%Share
8ESSEX INVESTMENT MANAGEMENT CO LLC38,984$190K0.03%Share
9NAVELLIER & ASSOCIATES INC27,175$132K0.01%Share
10Cannell & Spears LLC11,000$53K0.00%Share
11ELKHORN PARTNERS LIMITED PARTNERSHIP7,000$34K0.02%Share
12Kestra Advisory Services, LLC6,015$00.00%Share
13Cambridge Investment Research Advisors, Inc.69,149$00.00%Share
14MORGAN STANLEY17,959$00.00%Share
15HARBOUR INVESTMENTS, INC.50$00.00%Share
16OSAIC HOLDINGS, INC.1,625$00.00%Share
17XTX Topco Ltd21,617$00.00%Share
18BLAIR WILLIAM & CO/IL36,249$00.00%Share
19RENAISSANCE TECHNOLOGIES LLC103,772$00.00%Share
20PRELUDE CAPITAL MANAGEMENT, LLC15,180$00.00%Share
21Quadrature Capital Ltd23,004$00.00%Share
22BANK OF AMERICA CORP /DE/49$00.00%Share
23BANK OF AMERICA CORP /DE/24$00.00%Share
24NORTHERN TRUST CORP10,828$00.00%Share
25JONES FINANCIAL COMPANIES LLLP31$00.00%Share
26DIMENSIONAL FUND ADVISORS LP12,547$00.00%Share
27DIMENSIONAL FUND ADVISORS LP1,054$00.00%Share
28NewEdge Advisors, LLC27$00.00%Share
29GOLDMAN SACHS GROUP INC18,980$00.00%Share
30SageView Advisory Group, LLC590$00.00%Share
31HighTower Advisors, LLC59,710$00.00%Share
32MARSHALL WACE, LLP21,983$00.00%Share
33ROYAL BANK OF CANADA738$00.00%Share
34CITADEL ADVISORS LLC20,710$00.00%Share
35STATE STREET CORP15,698$00.00%Share
36VANGUARD GROUP INC36,901$00.00%Share
37VANGUARD GROUP INC196,743$00.00%Share
38GEODE CAPITAL MANAGEMENT, LLC58,150$00.00%Share
39GEODE CAPITAL MANAGEMENT, LLC16,478$00.00%Share

NEPH Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202535$3.8B+13
Q3 202522$4.7B+4
Q2 202518$17.9B+0
Q1 202518$7.6B-1
Q4 202419$1.1B+3
Q3 202416$29.9B+0
Q2 202416$8.1B+0
Q1 202416$8.3B

Similar Stocks by Institutional Ownership

As of Q4 2025, 39 institutional investors hold NEPH (Nephros, Inc.). The largest holder is Topline Capital Management, LLC with $3.0B in shares. This quarter, 13 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own NEPH?

As of Q4 2025, 39 institutional investors report holding NEPH (Nephros, Inc.) in their 13F filings.

Who is the largest institutional holder of NEPH?

The largest institutional holder of NEPH is Topline Capital Management, LLC with $3.0B in shares.

Is institutional ownership of NEPH increasing or decreasing?

This quarter, 13 institutions opened new positions in NEPH and 3 closed their positions.