Who owns NEPHROS INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of NEPH from SEC Form 13F filings across 23 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 23 institutions disclosed 822,715 shares of NEPHROS INC worth $2.9M — about 7.6% of shares outstanding; the largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
23
13F holders
$2.9M
value, 2026 filers
7.6%
of shares outstanding (822,715 sh)
7
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of NEPH's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 198,643 | $709,156 | 0.0% | 1.8% | -50.0% |
| 2 | MORGAN STANLEY | 128,915 | $460,227 | 0.0% | 1.2% | +16.2% |
| 3 | Cornerstone Capital, Inc. | 128,700 | $459,459 | 0.0% | 1.2% | 0.0% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 70,263 | $250,916 | 0.0% | 0.6% | -3.7% |
| 5 | Mesirow Financial Investment Management, Inc. | 60,000 | $214,200 | 0.0% | 0.6% | -50.0% |
| 6 | HighTower Advisors, LLC | 59,710 | $213,165 | 0.0% | 0.5% | 0.0% |
| 7 | VANGUARD FIDUCIARY TRUST CO | 36,901 | $131,737 | 0.0% | 0.3% | 0.0% |
| 8 | BLAIR WILLIAM & CO/IL | 36,249 | $129,409 | 0.0% | 0.3% | 0.0% |
| 9 | CITADEL ADVISORS LLC | 29,044 | $103,687 | 0.0% | 0.3% | +39.0% |
| 10 | BlackRock, Inc.NEW | 18,822 | $67,195 | 0.0% | 0.2% | new |
| 11 | NORTHERN TRUST CORP | 16,706 | $59,640 | 0.0% | 0.2% | +54.3% |
| 12 | GOLDMAN SACHS GROUP INC | 12,836 | $45,825 | 0.0% | 0.1% | -9.4% |
| 13 | MERCER GLOBAL ADVISORS INC /ADVNEW | 12,500 | $44,625 | 0.0% | 0.1% | new |
| 14 | ELKHORN PARTNERS LIMITED PARTNERSHIP | 11,000 | $39,270 | 0.0% | 0.1% | -8.3% |
| 15 | UBS Group AGNEW | 831 | $2,967 | 0.0% | 0% | new |
| 16 | ROYAL BANK OF CANADA | 827 | $3,000 | 0.0% | 0% | +10.7% |
| 17 | JONES FINANCIAL COMPANIES LLLP | 227 | $819 | 0.0% | 0% | +632.3% |
| 18 | OSAIC HOLDINGS, INC. | 175 | $624 | 0.0% | 0% | 0.0% |
| 19 | SBI Securities Co., Ltd.NEW | 150 | $536 | 0.0% | 0% | new |
| 20 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CONEW | 133 | $475 | 0.0% | 0% | new |
| 21 | HARBOUR INVESTMENTS, INC. | 50 | $179 | 0.0% | 0% | 0.0% |
| 22 | BARCLAYS PLCNEW | 27 | $96 | 0.0% | 0% | new |
| 23 | FMR LLCNEW | 6 | $22 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.