NEPHROS INC - Common Stock - $0.001 par value (NEPH) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2019 to Q3 2025

Type / Class
Equity / Common Stock - $0.001 par value
Symbol
NEPH on Nasdaq
Shares outstanding
10,630,964
Price per share
$4.93
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
5,015,032
Total reported value
$23,721,183
% of total 13F portfolios
0%
Share change
+162,720
Value change
+$770,354
Number of holders
23
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of NEPHROS INC - Common Stock - $0.001 par value (NEPH) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Topline Capital Management, LLC 5.6% $2,530,170 595,334 Topline Capital Management, LLC 04 Aug 2025

As of 30 Sep 2025, 23 institutional investors reported holding 5,015,032 shares of NEPHROS INC - Common Stock - $0.001 par value (NEPH). This represents 47% of the company’s total 10,630,964 outstanding shares.

Top 24 Institutional Shareholders

The largest institutional shareholders of NEPHROS INC - Common Stock - $0.001 par value (NEPH) together control 47% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
WEXFORD CAPITAL LP 34% 3,617,033 +0.25% 5.2% $17,108,562
Topline Capital Management, LLC 5.6% 596,300 +25% 0.48% $2,820,499
VANGUARD GROUP INC 2.6% 281,306 -13% 0% $1,330,578
BARD ASSOCIATES INC 1.2% 127,121 -3.1% 0.16% $601,283
RENAISSANCE TECHNOLOGIES LLC 0.78% 82,500 +657% 0% $390,225
GEODE CAPITAL MANAGEMENT, LLC 0.71% 75,891 -19% 0% $359,060
HighTower Advisors, LLC 0.52% 55,710 -0.3% 0% $263,508
BLAIR WILLIAM & CO/IL 0.34% 36,249 0% 0% $171,458
ESSEX INVESTMENT MANAGEMENT CO LLC 0.23% 24,822 0% 0.02% $117,408
GOLDMAN SACHS GROUP INC 0.18% 18,643 0% $88,181
CITADEL ADVISORS LLC 0.16% 16,545 +39% 0% $78,258
STATE STREET CORP 0.15% 15,698 0% 0% $74,252
XTX Topco Ltd 0.14% 14,555 0% $68,845
Mesirow Financial Investment Management, Inc. 0.13% 13,800 0% 0% $65,274
DIMENSIONAL FUND ADVISORS LP 0.13% 13,601 0% $64,332
ELKHORN PARTNERS LIMITED PARTNERSHIP 0.12% 12,500 -14% 0.04% $59,125
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.1% 10,373 -65% 0% $49,064
MORGAN STANLEY 0.02% 1,915 0% 0% $9,058
OSAIC HOLDINGS, INC. 0% 175 0% 0% $827
BARCLAYS PLC 0% 106 0% $501
BANK OF AMERICA CORP /DE/ 0% 92 -25% 0% $435
UBS Group AG 0% 66 -97% 0% $312
JONES FINANCIAL COMPANIES LLLP 0% 31 0% 0% $138
Tower Research Capital LLC (TRC) 0% 0 -100% $0

Institutional Holders of NEPHROS INC - Common Stock - $0.001 par value (NEPH) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 5,015,032 $23,721,183 +$770,354 $4.73 23
2025 Q2 4,852,312 $19,846,026 +$767,466 $4.09 20
2025 Q1 4,664,676 $8,023,335 -$71,094 $1.72 17
2024 Q4 4,711,852 $6,907,601 +$947 $1.47 17
2024 Q3 4,284,771 $7,333,250 -$66,476 $1.71 17
2024 Q2 4,320,368 $9,159,330 +$116,987 $2.11 18
2024 Q1 4,264,479 $9,398,998 -$107,117 $2.19 18
2023 Q4 4,331,833 $14,986,626 +$84,432 $3.46 18
2023 Q3 4,288,960 $6,347,955 +$12,731 $1.48 14
2023 Q2 4,279,808 $6,634,282 +$34,066 $1.55 15
2023 Q1 4,273,188 $4,574,310 +$8,160 $1.07 17
2022 Q4 4,266,471 $4,940,524 -$78,173 $1.16 18
2022 Q3 4,339,484 $3,949,000 +$19,524 $0.91 17
2022 Q2 631,958 $967,000 -$103,372 $1.53 14
2022 Q1 643,171 $2,827,000 -$4,654,492 $4.39 13
2021 Q4 1,550,944 $9,151,000 -$783,230 $5.90 11
2021 Q3 1,700,757 $14,916,000 +$3,645 $8.77 15
2021 Q2 5,916,801 $60,109,000 +$672,775 $10.15 15
2021 Q1 5,231,367 $34,791,000 -$660,889 $6.65 17
2020 Q4 5,282,295 $45,322,000 +$2,352,285 $8.58 14
2020 Q3 4,474,719 $32,353,000 -$269,916 $7.23 15
2020 Q2 4,502,818 $37,780,000 +$1,324,430 $8.39 17
2020 Q1 4,170,822 $26,271,000 +$23,387,734 $6.30 18
2019 Q4 458,415 $4,562,000 +$176,426 $9.95 12
2019 Q3 257,919 $2,087,000 +$2,086,999 $8.07 6