NEPHROS INC (NEPH) Institutional Ownership and Insiders Activity

NEPHROS INC (NEPH) is widely held by institutional investors, with 31 firms reporting positions valued at approximately $18.75M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Wexford Capital Lp is the largest disclosed holder, reporting approximately $12.85M in NEPH holdings in its latest filing.

Institutional ownership remains highly concentrated, with Wexford Capital Lp representing the majority of disclosed value.

Recent insider activity includes 4 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.