NephrosNEPH
13F holders, Q4 2024 (December 31)18holders +1
2new positions
2sold out
1famous investor
$1.47avg. 13F price*
At the end of Q4 2024, 18 institutions reported holding Nephros Inc. (NEPH) in their 13F filings, up 1 from Q3 2024. 2 opened new positions and 2 sold out. The largest holders were Wexford Capital LP ($5.3M), Topline Capital Management, LLC ($617K) and Vanguard Group Inc. ($295K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Nephros Inc.
- CUSIP
- 640671400
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $35K |
| Exits | 2 | $67K |
All 13F filers, Q3 2024 → Q4 2024: 68,879 shares bought and 61,683 shares sold, net +7,196 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 18 holders
| Wexford Capital LP | 1.35% | No change | 3,600,552 | $5.3M |
| Topline Capital Management, LLC | 0.12% | — | 419,887 | $617K |
| Vanguard Group Inc. | 0.00% | No change | 201,994 | $295K |
| Bard Associates Inc. | 0.08% | Reduce -9.9% | 155,271 | $228K |
| Geode Capital Management, LLC | 0.00% | Reduce -0.5% | 84,850 | $124K |
| HighTower Advisors, LLC | 0.00% | Reduce -2.6% | 55,710 | $82K |
| Elkhorn Partners Limited Partnership | 0.04% | Add +13.7% | 41,429 | $61K |
| UBS Group AG | 0.00% | Add +33129.8% | 40,208 | $59K |
| Blair William & Co. | 0.00% | No change | 36,249 | $53K |
| Susquehanna International Group, LLP | 0.00% | New | 23,802 | $35K |
| State Street Corp. | 0.00% | No change | 15,698 | $23K |
| Citadel Advisors | 0.00% | Reduce -17.1% | 14,289 | $21K |
| Mesirow Financial Investment Management, Inc. | 0.00% | No change | 13,800 | $20K |
| Morgan Stanley | 0.00% | No change | 5,423 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -6.9% | 2,599 | $4K |
| Bank of America Corp. | 0.00% | Reduce -20.8% | 76 | $112 |
| JPMorgan Chase & Co. | 0.00% | Reduce -93.2% | 15 | $22 |
| Royal Bank of Canada | 0.00% | New | 2 | $0 |
"% of holder's portfolio" is NEPH's weight in each manager's 13F, not the share of Nephros Inc. the manager owns.