# NEPHROS INC (NEPH)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/NEPH/

- Reporting holders: 33
- Reported value: $19.2M
- Shares held by institutions: 5,370,382 of 10,860,120 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [WEXFORD CAPITAL LP](https://holderbook.com/funds/1048462-wexford-capital-lp/) | $12.9M | 3,600,552 | 1.6% | 25 |
| [Topline Capital Management, LLC](https://holderbook.com/funds/1792549-topline-capital-management-llc/) | $1.9M | 535,698 | 0.5% | 7 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $709.2K | 198,643 | 0.0% | 2 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $460.2K | 128,915 | 0.0% | 26 |
| [Cornerstone Capital, Inc.](https://holderbook.com/funds/819535-cornerstone-capital-inc/) | $459.5K | 128,700 | 0.0% | 2 |
| [BARD ASSOCIATES INC](https://holderbook.com/funds/1105907-bard-associates-inc/) | $421.3K | 118,003 | 0.1% | 26 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $276.7K | 77,504 | 0.0% | 5 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $250.9K | 70,263 | 0.0% | 18 |
| [Mesirow Financial Investment Management, Inc.](https://holderbook.com/funds/1469475-mesirow-financial-investment-management-inc/) | $214.2K | 60,000 | 0.0% | 11 |
| [HighTower Advisors, LLC](https://holderbook.com/funds/1462245-hightower-advisors-llc/) | $213.2K | 59,710 | 0.0% | 27 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $207.4K | 58,088 | 0.0% | 9 |
| [NAVELLIER & ASSOCIATES INC](https://holderbook.com/funds/872163-navellier-associates-inc/) | $190.9K | 53,479 | 0.0% | 3 |
| [ESSEX INVESTMENT MANAGEMENT CO LLC](https://holderbook.com/funds/201772-essex-investment-management-co-llc/) | $139.0K | 38,927 | 0.0% | 5 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $131.7K | 36,901 | 0.0% | 2 |
| [BLAIR WILLIAM & CO/IL](https://holderbook.com/funds/902367-blair-william-co-il/) | $129.4K | 36,249 | 0.0% | 28 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $112.1K | 31,396 | 0.0% | 17 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $89.2K | 25,000 | 0.0% | 1 |
| [DIMENSIONAL FUND ADVISORS LP](https://holderbook.com/funds/354204-dimensional-fund-advisors-lp/) | $79.1K | 22,164 | 0.0% | 4 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $67.2K | 18,822 | 0.0% | 1 |
| [De Lisle Partners LLP](https://holderbook.com/funds/2011184-de-lisle-partners-llp/) | $62.1K | 17,400 | 0.0% | 3 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $59.6K | 16,706 | 0.0% | 3 |
| [GOLDMAN SACHS GROUP INC](https://holderbook.com/funds/886982-goldman-sachs-group-inc/) | $45.8K | 12,836 | 0.0% | 4 |
| [ELKHORN PARTNERS LIMITED PARTNERSHIP](https://holderbook.com/funds/928400-elkhorn-partners-limited-partnership/) | $39.3K | 11,000 | 0.0% | 27 |
| [Cannell & Spears LLC](https://holderbook.com/funds/1426319-cannell-spears-llc/) | $39.3K | 11,000 | 0.0% | 3 |
| [ROYAL BANK OF CANADA](https://holderbook.com/funds/1000275-royal-bank-of-canada/) | $3.0K | 827 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 33 | $19.2M |
| Q1 2026 | 27 | $16.0M |
| Q4 2025 | 35 | $25.9M |
| Q3 2025 | 23 | $23.7M |
| Q2 2025 | 20 | $19.8M |
| Q1 2025 | 17 | $8.0M |
| Q4 2024 | 17 | $6.9M |
| Q3 2024 | 17 | $7.3M |
| Q2 2024 | 18 | $9.2M |
| Q1 2024 | 18 | $9.4M |
| Q4 2023 | 18 | $15.1M |
| Q3 2023 | 14 | $6.3M |