Security key
640671400
NEPHROS INC - Common Stock - $0.001 par value (NEPH)
CUSIP: 640671400
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock - $0.001 par value
- Total 13F shares
- 5,370,279
- Total 13F value
- $16,003,262
- Share change
- +66,689
- SEC-reported price per share
- $2.98
- Number of holders
- 27
- Value change
- -$116,551
- Number of buys
- 7
- Number of sells
- 18
- Shares outstanding
- 10,630,964
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
27
Top holders
10
NEPH full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
NEPHROS INC SEC filings
NEPHROS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 640671400
Recent filing periods:
Ownership snapshot
Top reported holders of NEPH - NEPHROS INC - Common Stock - $0.001 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Topline Capital Managemen...
Disclosed value leader
WEXFORD CAPITAL LP
Comparable rows
15/15
Latest evidence
31 Dec 2025
13F
13D/G
3/4/5
Lead comparable stake: 5.6%
13D/G row: Topline Capital Management, LLC
Showing 1-6 of 15 holder rows.
Quick read
Topline Capital Management, LLC leads the comparable SEC ownership view at 5.6%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Topline Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Topline Capital Management, LLC
5.6%
WEXFORD CAPITAL LP
34%
VANGUARD GROUP INC
2.2%
BARD ASSOCIATES INC
1.1%
RENAISSANCE TECHNOLOGIES LLC
0.98%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Topline Capital Management, LLC |
13F
13D/G
Company
|
5.6%
from 13D/G
|
$2,997,794
614,302 shares
|
— | 31 Dec 2025 |
| WEXFORD CAPITAL LP |
13F
3/4/5
Company · 10%+ Owner
|
34%
|
$17,651,117
3,617,033 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
2.2%
|
$1,140,183
233,644 shares
|
— | 31 Dec 2025 |
| BARD ASSOCIATES INC |
13F
Company
|
1.1%
|
$593,501
121,619 shares
|
— | 31 Dec 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
0.98%
|
$506,407
103,772 shares
|
— | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.7%
|
$364,278
74,628 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
27
Shares
5,370,279
Rows available
27
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
35
Q1 2026 holders
27
Holder diff
-8
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend