SOUTH ORANGE, NJ
NEPHROS INCNEPH— Latest position per institution from SEC 13F filings
15
Institutional holders
5.54M
Total shares held
19.91M
Estimated value
277.13K
Avg. position size
WEXFORD CAPITAL LP
CIK 1048462
Shares
3.60M
Value
12.85M
Filed
Jun 30, 2026
TOPLINE CAPITAL MANAGEMENT, LLC
CIK 1792549
Shares
535.70K
Value
1.91M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
233.64K
Value
1.14M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
198.64K
Value
709.16K
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
128.91K
Value
460.23K
Filed
Jun 30, 2026
CORNERSTONE CAPITAL, INC.
CIK 819535
Shares
128.70K
Value
459.46K
Filed
Jun 30, 2026
BARD ASSOCIATES INC
CIK 1105907
Shares
118K
Value
421.27K
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
77.50K
Value
276.69K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
70.26K
Value
250.92K
Filed
Jun 30, 2026
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CIK 1419186
Shares
69.15K
Value
337.00
Filed
Dec 31, 2025
MESIROW FINANCIAL INVESTMENT MANAGEMENT, INC.
CIK 1469475
Shares
60K
Value
214.20K
Filed
Jun 30, 2026
HIGHTOWER ADVISORS, LLC
CIK 1462245
Shares
59.71K
Value
213.16K
Filed
Jun 30, 2026
NAVELLIER & ASSOCIATES INC
CIK 872163
Shares
53.48K
Value
190.92K
Filed
Jun 30, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 201772
Shares
38.93K
Value
138.97K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
36.90K
Value
131.74K
Filed
Jun 30, 2026
BLAIR WILLIAM & CO/IL
CIK 902367
Shares
36.25K
Value
129.41K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
29.04K
Value
103.69K
Filed
Jun 30, 2026
QUADRATURE CAPITAL LTD
CIK 1651424
Shares
23K
Value
112.26K
Filed
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
22.16K
Value
79.13K
Filed
Jun 30, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
21.98K
Value
107.28K
Filed
Dec 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | WEXFORD CAPITAL LP | 1048462 | 3.60M | 12.85M | Jun 30, 2026 |
| 2 | TOPLINE CAPITAL MANAGEMENT, LLC | 1792549 | 535.70K | 1.91M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 233.64K | 1.14M | Dec 31, 2025 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 198.64K | 709.16K | Jun 30, 2026 |
| 5 | MORGAN STANLEY | 895421 | 128.91K | 460.23K | Jun 30, 2026 |
| 6 | CORNERSTONE CAPITAL, INC. | 819535 | 128.70K | 459.46K | Jun 30, 2026 |
| 7 | BARD ASSOCIATES INC | 1105907 | 118K | 421.27K | Jun 30, 2026 |
| 8 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 77.50K | 276.69K | Jun 30, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 70.26K | 250.92K | Jun 30, 2026 |
| 10 | CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. | 1419186 | 69.15K | 337.00 | Dec 31, 2025 |
| 11 | MESIROW FINANCIAL INVESTMENT MANAGEMENT, INC. | 1469475 | 60K | 214.20K | Jun 30, 2026 |
| 12 | HIGHTOWER ADVISORS, LLC | 1462245 | 59.71K | 213.16K | Jun 30, 2026 |
| 13 | NAVELLIER & ASSOCIATES INC | 872163 | 53.48K | 190.92K | Jun 30, 2026 |
| 14 | ESSEX INVESTMENT MANAGEMENT CO LLC | 201772 | 38.93K | 138.97K | Jun 30, 2026 |
| 15 | VANGUARD FIDUCIARY TRUST CO | 933478 | 36.90K | 131.74K | Jun 30, 2026 |
| 16 | BLAIR WILLIAM & CO/IL | 902367 | 36.25K | 129.41K | Jun 30, 2026 |
| 17 | CITADEL ADVISORS LLC | 1423053 | 29.04K | 103.69K | Jun 30, 2026 |
| 18 | QUADRATURE CAPITAL LTD | 1651424 | 23K | 112.26K | Dec 31, 2025 |
| 19 | DIMENSIONAL FUND ADVISORS LP | 354204 | 22.16K | 79.13K | Jun 30, 2026 |
| 20 | MARSHALL WACE, LLP | 1318757 | 21.98K | 107.28K | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.