# NEPHROS INC COM

NEPHROS INC COM is a security (CUSIP 640671400) tracked across SEC portfolio filings. 30 institutional managers reported $16.6M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $202K via N-PORT as of 2026-03-31.

## Summary

- Issuer: NEPHROS INC
- Class: COM
- CUSIP: 640671400
- Asset category: EC
- 13F holders: 30
- 13F value: $16.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $202K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 30 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [WEXFORD CAPITAL LP](https://search.stillhousedata.com/firm/108726) | GREENWICH, CT | $10.7M | 3,600,552 |
| Topline Capital Management, LLC | SANTA MONICA, CA | $1.7M | 581,967 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.1M | 233,644 |
| [Cornerstone Capital, Inc.](https://search.stillhousedata.com/firm/105396) | Palo Alto, CA | $459K | 128,700 |
| [BARD ASSOCIATES INC](https://search.stillhousedata.com/firm/104984) | CHICAGO, IL | $361K | 121,202 |
| MORGAN STANLEY | NEW YORK, NY | $331K | 110,915 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $296K | 99,400 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $217K | 72,925 |
| [Mesirow Financial Investment Management, Inc.](https://search.stillhousedata.com/firm/111135) | CHICAGO, IL | $214K | 60,000 |
| [HighTower Advisors, LLC](https://search.stillhousedata.com/firm/145323) | CHICAGO, IL | $213K | 59,710 |
| [NAVELLIER & ASSOCIATES INC](https://search.stillhousedata.com/firm/107568) | Reno, NV | $191K | 53,479 |
| [ESSEX INVESTMENT MANAGEMENT CO LLC](https://search.stillhousedata.com/firm/109962) | BOSTON, MA | $139K | 38,927 |
| [BLAIR WILLIAM & CO/IL](https://search.stillhousedata.com/firm/1252) | Chicago, IL | $108K | 36,249 |
| De Lisle Partners LLP | POOLE, X0 | $75K | 25,000 |
| BlackRock, Inc. | New York, NY | $67K | 18,822 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $202K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/640671400.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.