NEPHROS INC (NEPH) Institutional Ownership

NEPH is currently held by 1 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $296,212 based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Renaissance Technologies LLC, which reported ownership valued at approximately $296,212 in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Renaissance Technologies LLC's NEPH position is now estimated to be worth approximately $318,080, representing an estimated gain of +7.38% since the filing period.

Major shareholders tracked on this page include Renaissance Technologies LLC, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional position trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward NEPHROS INC (NEPH).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20261$296,21299,400
Q4 20251$506,407103,772
Q3 20251$390,22582,500
Q2 20251$44,58110,900
Q3 20241$41,79924,444
Q2 20241$86,51041,000
Q1 20241$9041,200
Q2 20231$2113,705
Q1 20231$2523,200
Q4 20221$3732,064
Q3 20221$2022,300
Q1 20221$8920,317