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, Q4 2022
Institutional positions in Nephros Inc as of Dec 31, 2022. 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
- 19
- +1 vs. Q3 2022
- Shares held
- 4.27M
- −73.1K (−1.7%) vs. Q3 2022
- Total value
- $4.94M
- +$991.5K (+25.1%) vs. Q3 2022
- New holders
- 3
- 3 more added
- Sold out
- 2
- 4 more reduced
Compare with Q3 2022: new holders, sold out and not filed yet
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, Q4 2022
Shares, value and share of portfolio for each institution holding Nephros Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wexford Capital LP | 3,657,465 | $4.24M | 0.87% | 00.0% | Unchanged |
| Bard Associates Inc | 194,789 | $225.4K | 0.10% | −57,335−22.7% | Reduced |
| Vanguard Group Inc | 146,685 | $169.7K | 0.00% | −1,098−0.7% | Reduced |
| HighTower Advisors, LLC | 55,710 | $64.0K | 0.00% | 00.0% | Unchanged |
| Elkhorn Partners Limited Partnership | 50,341 | $58.0K | 0.04% | 00.0% | Unchanged |
| Blair William & Co | 36,249 | $41.9K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 32,064 | $37.0K | 0.00% | +9,764+43.8% | Added |
| Citadel Advisors LLC | 18,340 | $20.5K | 0.00% | +5,225+39.8% | Added |
| Morgan Stanley | 15,292 | $17.7K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 15,698 | $17.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 13,122 | $15.0K | 0.00% | −1,114−7.8% | Reduced |
| UBS Group AG | 10,531 | $12.2K | 0.00% | −1,343−11.3% | Reduced |
| Geode Capital Management, LLC | 11,359 | $12.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4,574 | $5.00K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 4,131 | $4.78K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 62 | $72 | 0.00% | +2+3.3% | Added |
| Money Concepts Capital Corp | 50 | $58 | 0.00% | +50 | New |
| Bank of America Corp | 14 | $16 | 0.00% | +14 | New |
| Royal Bank of Canada | 1 | $0 | 0.00% | +1 | New |
| Virtu Financial LLC | 0 | $0 | 0.00% | −17,089−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −10,160−100.0% | Sold out |