Nephros Inc
NEPH- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001196298
No open-market purchases or sales by Nephros Inc insiders were filed in the last 90 days; 33 institutions reported holding it in 13F filings for Q2 2026, worth $19.0M in total; no superinvestor holds it.
13F holders, Q1 2021
Institutional positions in Nephros Inc as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 21
- No complete 13F data for Q4 2020
- Shares held
- 5.23M
- No complete 13F data for Q4 2020
- Total value
- $34.8M
- No complete 13F data for Q4 2020
Holders and value by quarter
Institutions reporting NEPH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 33 | $19.0M |
| Q1 2026 | 27 | $16.0M |
| Q4 2025 | 35 | $25.9M |
| Q3 2025 | 24 | $23.7M |
| Q2 2025 | 21 | $19.8M |
| Q1 2025 | 18 | $8.02M |
| Q4 2024 | 18 | $6.91M |
| Q3 2024 | 17 | $7.33M |
| Q2 2024 | 19 | $9.18M |
| Q1 2024 | 18 | $9.40M |
| Q4 2023 | 18 | $15.0M |
| Q3 2023 | 14 | $6.35M |
| Q2 2023 | 16 | $6.63M |
| Q1 2023 | 18 | $4.57M |
| Q4 2022 | 19 | $4.94M |
| Q3 2022 | 18 | $3.95M |
| Q2 2022 | 17 | $968.0K |
| Q1 2022 | 16 | $2.83M |
| Q4 2021 | 17 | $9.15M |
| Q3 2021 | 17 | $14.9M |
| Q2 2021 | 19 | $60.1M |
| Q1 2021 | 21 | $34.8M |
Institutions, Q1 2021
Shares, value and share of portfolio for each institution holding Nephros Inc.
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wexford Capital LP | 3,564,530 | $23.7M | 3.54% | – | – |
| Cowen Prime Services LLC | 622,750 | $4.14M | 1.57% | – | – |
| Samjo Capital LLC | 550,000 | $3.66M | 2.71% | – | – |
| Bard Associates Inc | 219,378 | $1.46M | 0.53% | – | – |
| Vanguard Group Inc | 96,195 | $640.0K | 0.00% | – | – |
| HighTower Advisors, LLC | 55,710 | $370.0K | 0.00% | – | – |
| Blair William & Co | 36,249 | $241.0K | 0.00% | – | – |
| BlackRock Inc. | 23,559 | $157.0K | 0.00% | – | – |
| Millennium Management LLC | 18,909 | $126.0K | 0.00% | – | – |
| Citadel Advisors LLC | 18,421 | $123.0K | 0.00% | – | – |
| Elkhorn Partners Limited Partnership | 14,019 | $93.0K | 0.06% | – | – |
| Morgan Stanley | 3,815 | $25.0K | 0.00% | – | – |
| Salem Investment Counselors Inc | 3,500 | $23.0K | 0.00% | – | – |
| Sowell Financial Services LLC | 2,996 | $23.0K | 0.00% | – | – |
| Total Clarity Wealth Management, Inc. | 653 | $4.00K | 0.00% | – | – |
| Tower Research Capital LLC (TRC) | 351 | $2.00K | 0.00% | – | – |
| UBS Group AG | 343 | $2.00K | 0.00% | – | – |
| Bank of America Corp | 25 | $0 | 0.00% | – | – |
| Wells Fargo & Company | 56 | $0 | 0.00% | – | – |
| Royal Bank of Canada | 27 | $0 | 0.00% | – | – |
| Advisor Group Holdings, Inc. | 5 | $0 | 0.00% | – | – |