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, Q2 2026
Institutional positions in Nephros Inc as of Jun 30, 2026. 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
- 33
- +6 vs. Q1 2026
- Shares held
- 5.31M
- −57.1K (−1.1%) vs. Q1 2026
- Total value
- $19.0M
- +$2.96M (+18.5%) vs. Q1 2026
- New holders
- 7
- 7 more added
- Sold out
- 1
- 9 more reduced
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Nephros Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 6 | $22 | 0.00% | +6 | New |
| Barclays PLC | 27 | $96 | 0.00% | +27 | New |
| Harbour Investments, Inc. | 50 | $179 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 133 | $475 | 0.00% | +133 | New |
| SBI Securities Co., Ltd. | 150 | $536 | 0.00% | +150 | New |
| Advisor Group Holdings, Inc. | 175 | $624 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 227 | $819 | 0.00% | +196+632.3% | Added |
| UBS Group AG | 831 | $2.97K | 0.00% | +831 | New |
| Royal Bank of Canada | 827 | $3.00K | 0.00% | +80+10.7% | Added |
| Elkhorn Partners Limited Partnership | 11,000 | $39.3K | 0.03% | −1,000−8.3% | Reduced |
| Spears Abacus Advisors LLC | 11,000 | $39.3K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 12,500 | $44.6K | 0.00% | +12,500 | New |
| Goldman Sachs Group Inc | 12,836 | $45.8K | 0.00% | −1,327−9.4% | Reduced |
| State Street Corp | 15,698 | $56.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 16,706 | $59.6K | 0.00% | +5,878+54.3% | Added |
| De Lisle Partners LLP | 17,400 | $62.1K | 0.01% | −7,600−30.4% | Reduced |
| BlackRock, Inc. | 18,822 | $67.2K | 0.00% | +18,822 | New |
| Dimensional Fund Advisors LP | 22,164 | $79.1K | 0.00% | +1,419+6.8% | Added |
| Citadel Advisors LLC | 29,044 | $103.7K | 0.00% | +8,156+39.0% | Added |
| Blair William & Co | 36,249 | $129.4K | 0.00% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 36,901 | $131.7K | 0.00% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 38,927 | $139.0K | 0.02% | −57−0.1% | Reduced |
| Navellier & Associates Inc | 53,479 | $190.9K | 0.02% | +34,353+179.6% | Added |
| HighTower Advisors, LLC | 59,710 | $213.2K | 0.00% | 00.0% | Unchanged |
| Mesirow Financial Investment Management, Inc. | 60,000 | $214.2K | 0.00% | −60,000−50.0% | Reduced |
| Geode Capital Management, LLC | 70,263 | $250.9K | 0.00% | −2,662−3.7% | Reduced |
| Renaissance Technologies LLC | 77,504 | $276.7K | 0.00% | −21,896−22.0% | Reduced |
| Bard Associates Inc | 118,003 | $421.3K | 0.09% | −3,199−2.6% | Reduced |
| Cornerstone Capital, Inc. | 128,700 | $459.5K | 0.04% | 00.0% | Unchanged |
| Morgan Stanley | 128,915 | $460.2K | 0.00% | +18,000+16.2% | Added |
| Vanguard Capital Management LLC | 198,643 | $709.2K | 0.00% | 00.0% | Unchanged |
| Topline Capital Management, LLC | 535,698 | $1.91M | 0.50% | −46,269−8.0% | Reduced |
| Wexford Capital LP | 3,600,552 | $12.9M | 1.76% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −13,680−100.0% | Sold out |