NEPHROS INC - NEPH

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
WEXFORD CAPITAL LP History No change 3,617,033 17,651 3.4% 2.46% 1 0 0.0% Q4 2025 Feb 13, 2026
Topline Capital Management, LLC History Added to 614,302 2,997 0.27% 0.48% 2 +18,002 3.02% Q4 2025 Feb 17, 2026
VANGUARD GROUP INC History Reduced 233,644 1,140 0.0% 0.0% 3 -47,662 -16.94% Q4 2025 Jan 29, 2026
BARD ASSOCIATES INC History Reduced 121,619 593 0.15% 0.16% 4 -5,502 -4.33% Q4 2025 Feb 13, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 103,772 506 0.0% 0.0% 5 +21,272 25.78% Q4 2025 Feb 12, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 74,628 364 0.0% 0.0% 6 -1,263 -1.66% Q4 2025 Feb 09, 2026
Cambridge Investment Research Advisors, Inc. History New 69,149 337 0.0% 7 +69,149 New Q4 2025 Feb 05, 2026
HighTower Advisors, LLC History Added to 59,710 291 0.0% 0.0% 8 +4,000 7.18% Q4 2025 Feb 06, 2026
Mesirow Financial Investment Management, Inc. History Added to 50,000 244 0.01% 0.0% 9 +36,200 262.32% Q4 2025 Feb 05, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC History Added to 38,984 190 0.03% 0.02% 10 +14,162 57.05% Q4 2025 Feb 13, 2026
BLAIR WILLIAM & CO/IL History No change 36,249 176 0.0% 0.0% 11 0 0.0% Q4 2025 Feb 17, 2026
NAVELLIER & ASSOCIATES INC History New 27,175 132 0.01% 12 +27,175 New Q4 2025 Feb 03, 2026
De Lisle Partners LLP History New 25,000 122 0.02% 13 +25,000 New Q4 2025 Feb 13, 2026
Quadrature Capital Ltd History New 23,004 112 0.0% 14 +23,004 New Q4 2025 Feb 17, 2026
MARSHALL WACE, LLP History New 21,983 107 0.0% 15 +21,983 New Q4 2025 Feb 13, 2026
XTX Topco Ltd History Added to 21,617 105 0.0% 0.0% 16 +7,062 48.52% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Added to 20,710 101 0.0% 0.0% 17 +4,165 25.17% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Added to 18,980 92 0.0% 0.0% 18 +337 1.81% Q4 2025 Mar 25, 2026
MORGAN STANLEY History Added to 17,959 87 0.0% 0.0% 19 +16,044 837.81% Q4 2025 Feb 13, 2026
STATE STREET CORP History No change 15,698 76 0.0% 0.0% 20 0 0.0% Q4 2025 Feb 13, 2026
PRELUDE CAPITAL MANAGEMENT, LLC History New 15,180 74 0.01% 21 +15,180 New Q4 2025 Feb 17, 2026
DIMENSIONAL FUND ADVISORS LP History No change 13,601 66 0.0% 0.0% 22 0 0.0% Q4 2025 Feb 12, 2026
Heron Bay Capital Management History New 13,471 65 0.01% 23 +13,471 New Q4 2025 Feb 13, 2026
Cannell & Spears LLC History New 11,000 53 0.0% 24 +11,000 New Q4 2025 Feb 17, 2026
Centiva Capital, LP History New 10,835 52 0.0% 26 +10,835 New Q4 2025 Feb 13, 2026
NORTHERN TRUST CORP History New 10,828 52 0.0% 25 +10,828 New Q4 2025 Feb 17, 2026
ELKHORN PARTNERS LIMITED PARTNERSHIP History Reduced 7,000 34 0.02% 0.04% 27 -5,500 -44.0% Q4 2025 Feb 17, 2026
Kestra Advisory Services, LLC History New 6,015 29 0.0% 28 +6,015 New Q4 2025 Feb 13, 2026
OSAIC HOLDINGS, INC. History Added to 1,625 7 0.0% 29 +1,450 828.57% Q4 2025 Feb 17, 2026
ROYAL BANK OF CANADA History New 738 4 0.0% 30 +738 New Q4 2025 Feb 17, 2026
SageView Advisory Group, LLC History New 590 2 0.0% 31 +590 New Q4 2025 Feb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -10,373 -100.0% Q3 2025 Nov 14, 2025
BARCLAYS PLC History Closed out 0 0 -106 -100.0% Q3 2025 Mar 31, 2026
UBS Group AG History Closed out 0 0 -66 -100.0% Q3 2025 Nov 13, 2025
HARBOUR INVESTMENTS, INC. History New 50 0 +50 New Q4 2025 Feb 09, 2026
NewEdge Advisors, LLC History New 27 0 +27 New Q4 2025 Feb 18, 2026
BANK OF AMERICA CORP /DE/ History Reduced 73 0 -19 -20.65% Q4 2025 Feb 17, 2026
JONES FINANCIAL COMPANIES LLLP History No change 31 0 0 0.0% Q4 2025 Feb 17, 2026