NEPH — NEPHROS INC
As of Q2 2026, 9 SEC-registered investment managers reported holding NEPH (NEPHROS INC) in their latest 13F filings, with a combined reported value of $1.27M across 354.93K shares. That is +7.8% by share count (+25.81K shares) versus the previous quarter, while reported value moved +29.2%. Ownership is concentrated: the five largest holders account for 91.4% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 3 opened new positions, 3 added to existing stakes, 3 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
NEPH is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 9 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Morgan Stanley history | 128.91K | $460.23K | 0.00% | Add |
| Renaissance Technologies history | 77.50K | $276.69K | 0.00% | Reduce |
| Geode Capital Management history | 70.26K | $250.92K | 0.00% | Reduce |
| Citadel Advisors history | 29.04K | $103.69K | 0.00% | Add |
| BlackRock Inc history | 18.82K | $67.19K | 0.00% | New |
| Northern Trust Corp history | 16.71K | $59.64K | 0.00% | Add |
| Goldman Sachs Group history | 12.84K | $45.83K | 0.00% | Reduce |
| UBS Group AG history | 831 | $2.97K | 0.00% | New |
| Fidelity Management & Research (FMR) history | 6 | $22 | 0.00% | New |
Q1 2026 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Morgan Stanley history | 110.92K | $330.53K | 0.00% | Add |
| Renaissance Technologies history | 99.40K | $296.21K | 0.00% | Reduce |
| Geode Capital Management history | 72.92K | $217.38K | 0.00% | Reduce |
| Citadel Advisors history | 20.89K | $62.25K | 0.00% | Add |
| Goldman Sachs Group history | 14.16K | $42.21K | 0.00% | Reduce |
| Northern Trust Corp history | 10.83K | $32.27K | 0.00% | Hold |
Q4 2025 — 9 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 233.64K | $1.14M | 0.00% | Reduce |
| Renaissance Technologies history | 103.77K | $506.41K | 0.00% | Add |
| Geode Capital Management history | 74.63K | $364.28K | 0.00% | Reduce |
| Marshall Wace history | 21.98K | $107.28K | 0.00% | New |
| Citadel Advisors history | 20.71K | $101.06K | 0.00% | Add |
| Goldman Sachs Group history | 18.98K | $92.62K | 0.00% | Add |
| Morgan Stanley history | 17.96K | $87.64K | 0.00% | Add |
| Northern Trust Corp history | 10.83K | $52.84K | 0.00% | New |
| Bank of America Corp history | 73 | $356 | 0.00% | Reduce |
Q3 2025 — 8 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 281.31K | $1.33M | 0.00% | Reduce |
| Renaissance Technologies history | 82.50K | $390.23K | 0.00% | Add |
| Geode Capital Management history | 75.89K | $359.06K | 0.00% | Reduce |
| Goldman Sachs Group history | 18.64K | $88.18K | 0.00% | New |
| Citadel Advisors history | 16.55K | $78.26K | 0.00% | Add |
| Morgan Stanley history | 1.92K | $9.06K | 0.00% | Hold |
| Bank of America Corp history | 92 | $435 | 0.00% | Reduce |
| UBS Group AG history | 66 | $312 | 0.00% | Reduce |
Q2 2025 — 7 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 323.44K | $1.32M | 0.00% | Add |
| Geode Capital Management history | 93.19K | $381.21K | 0.00% | Add |
| Citadel Advisors history | 11.89K | $48.63K | 0.00% | Reduce |
| Renaissance Technologies history | 10.90K | $44.58K | 0.00% | New |
| UBS Group AG history | 2.52K | $10.32K | 0.00% | New |
| Morgan Stanley history | 1.92K | $7.83K | 0.00% | Reduce |
| Bank of America Corp history | 122 | $499 | 0.00% | Add |
Q1 2025 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 204.16K | $351.15K | 0.00% | Add |
| Geode Capital Management history | 90.29K | $155.34K | 0.00% | Add |
| Citadel Advisors history | 12.02K | $20.68K | 0.00% | Reduce |
| Morgan Stanley history | 5.42K | $9.33K | 0.00% | Hold |
| Bank of America Corp history | 79 | $136 | 0.00% | Add |
| JPMorgan Chase & Co history | 13 | $22 | 0.00% | Reduce |
New Positions (Q2 2026)
- BlackRock Inc 18.82K sh · $67.19K
- UBS Group AG 831 sh · $2.97K
- Fidelity Management & Research (FMR) 6 sh · $22
Fully Exited (vs previous quarter)
No tracked fund fully exited this quarter.
Fund Position History — shares by quarter (top 15 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 | Q2 2022 | Q1 2022 | Q4 2021 | Q3 2021 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Morgan Stanley | 128.91K | 110.92K | 17.96K | 1.92K | 1.92K | 5.42K | 5.42K | 5.42K | 5.42K | 5.42K | 33.77K | 15.29K | 15.29K | 15.29K | 15.29K | 15.29K | 18.25K | 7.53K | 6.48K | 13.84K |
| Renaissance Technologies | 77.50K | 99.40K | 103.77K | 82.50K | 10.90K | — | — | 24.44K | 41.00K | 41.20K | — | — | 13.71K | 23.20K | 32.06K | 22.30K | — | 20.32K | — | — |
| Geode Capital Management | 70.26K | 72.92K | 74.63K | 75.89K | 93.19K | 90.29K | 84.85K | 85.25K | 78.03K | 71.04K | 71.04K | 71.04K | 77.34K | 11.13K | 11.36K | 11.36K | 11.36K | 10.19K | — | — |
| Citadel Advisors | 29.04K | 20.89K | 20.71K | 16.55K | 11.89K | 12.02K | 14.29K | 17.24K | 11.85K | — | — | — | — | 15.29K | 18.34K | 13.12K | 12.12K | — | — | — |
| BlackRock Inc | 18.82K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Northern Trust Corp | 16.71K | 10.83K | 10.83K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goldman Sachs Group | 12.84K | 14.16K | 18.98K | 18.64K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| UBS Group AG | 831 | — | — | 66 | 2.52K | — | 40.21K | 121 | 19.36K | 307 | 11 | 11 | 11 | 237 | 10.53K | 11.87K | 526 | 11 | 11 | 11 |
| Fidelity Management & Research (FMR) | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 91 | 91 |
| Bank of America Corp | — | — | 73 | 92 | 122 | 79 | 76 | 96 | 76 | — | 8 | — | — | — | 14 | — | — | — | 14 | 169 |
| Marshall Wace | — | — | 21.98K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Vanguard Group | — | — | 233.64K | 281.31K | 323.44K | 204.16K | 201.99K | 201.99K | 194.02K | 175.65K | 171.31K | 170.71K | 164.30K | 146.69K | 146.69K | 147.78K | 122.68K | 122.98K | 122.98K | 101.62K |
| JPMorgan Chase & Co | — | — | — | — | — | 13 | 15 | 221 | 222 | 221 | 10 | 8 | — | — | — | — | — | — | — | — |
| Millennium Management | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13.42K |
| Wells Fargo & Co | — | — | — | — | — | — | — | — | — | 73 | 72 | 68 | 66 | 63 | 62 | 60 | 57 | 52 | 51 | 51 |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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