NephrosNEPH

13F holders, Q3 2024 (September 30)
17holders −2
0new positions
2sold out
2famous investors
$1.71avg. 13F price*

At the end of Q3 2024, 17 institutions reported holding Nephros Inc. (NEPH) in their 13F filings, down 2 from Q2 2024. 0 opened new positions and 2 sold out. The largest holders were Wexford Capital LP ($6.2M), Vanguard Group Inc. ($345K) and Bard Associates Inc. ($295K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Nephros Inc.
CUSIP
640671400
Latest filing quarter
Q2 2026

History

Number of 13F holders

010203040 Q1 2024: 18Q1 2024Q2 2024: 19Q2 2024Q3 2024: 17Q3 2024Q4 2024: 18Q4 2024Q1 2025: 18Q1 2025Q2 2025: 21Q2 2025Q3 2025: 24Q3 2025Q4 2025: 35Q4 2025Q1 2026: 27Q1 2026Q2 2026: 33Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions0$0
Exits2$55K

All 13F filers, Q2 2024 → Q3 2024: 21,033 shares bought and 68,630 shares sold, net −47,597 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 17 holders

Wexford Capital LP 1.47% No change 3,600,552 $6.2M
Vanguard Group Inc. 0.00% Add +4.1% 201,994 $345K
Bard Associates Inc. 0.10% Reduce -1.8% 172,371 $295K
Geode Capital Management, LLC 0.00% Add +9.2% 85,249 $146K
HighTower Advisors, LLC 0.00% No change 57,210 $98K
Elkhorn Partners Limited Partnership 0.04% Add +1.2% 36,441 $62K
Blair William & Co. 0.00% No change 36,249 $62K
Renaissance Technologies 0.00% Reduce -40.4% 24,444 $42K
Citadel Advisors 0.00% Add +45.5% 17,236 $29K
State Street Corp. 0.00% No change 15,698 $27K
Dimensional Fund Advisors LP 0.00% Reduce -15.6% 14,875 $25K
Mesirow Financial Investment Management, Inc. 0.00% No change 13,800 $24K
Morgan Stanley 0.00% No change 5,423 $9K
Tower Research Capital LLC (TRC) 0.00% Reduce -24.0% 2,791 $5K
JPMorgan Chase & Co. 0.00% Reduce -0.5% 221 $378
UBS Group AG 0.00% Reduce -99.4% 121 $207
Bank of America Corp. 0.00% Add +26.3% 96 $164

"% of holder's portfolio" is NEPH's weight in each manager's 13F, not the share of Nephros Inc. the manager owns.