Nephros
NEPH
35 hedge funds and large institutions have $25.9M invested in Nephros in 2025 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 11 increasing their positions, 5 reducing their positions, and 3 closing their positions.
367% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 3
120% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 5
46% more funds holding
Funds holding: 24 → 35 (+11)
9% more capital invested
Capital invested by funds: $23.7M → $25.9M (+$2.15M)
2.59% more ownership
Funds ownership: 47.31% → 49.9% (+2.6%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
+$353K |
| 2 |
MFIM
Mesirow Financial Investment Management
Chicago,
Illinois
|
+$185K |
| 3 |
NA
Navellier & Associates
Reno,
Nevada
|
+$139K |
| 4 |
DLP
De Lisle Partners
Poole,
United Kingdom
|
+$128K |
| 5 |
QC
Quadrature Capital
London,
United Kingdom
|
+$118K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
-$244K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$49.1K |
| 3 |
BA
Bard Associates
Chicago,
Illinois
|
-$28.1K |
| 4 |
EP
Elkhorn Partners
Omaha,
Nebraska
|
-$28.1K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
-$6.45K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
26
Northern Trust
Chicago,
Illinois
| $52.8K | +$55.3K | +10,828 | New |
|
|
EP
27
Elkhorn Partners
Omaha,
Nebraska
| $34.2K | -$28.1K | -5,500 | -44% |
|
|
KAS
28
Kestra Advisory Services
Austin,
Texas
| $29.4K | +$30.7K | +6,015 | New |
|
29
Osaic Holdings
Scottsdale,
Arizona
| $7.93K | +$7.41K | +1,450 | +829% |
|
30
Royal Bank of Canada
Toronto,
Ontario, Canada
| $4K | +$3.76K | +736 | +36,800% |
|
|
SAG
31
SageView Advisory Group
Newport Beach,
California
| $2.88K | +$3.01K | +590 | New |
|
32
Bank of America
Charlotte,
North Carolina
| $356 | -$97 | -19 | -21% |
|
|
HI
33
Harbour Investments
Madison,
Wisconsin
| $244 | +$255 | +50 | New |
|
34
Jones Financial Companies
Des Peres,
Missouri
| $151 | – | – | – |
|
|
NA
35
NewEdge Advisors
New Orleans,
Louisiana
| $132 | +$138 | +27 | New |
|
|
36
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| – | -$49.1K | -10,373 | Closed |
|
37
Barclays
London,
United Kingdom
| – | -$501 | -106 | Closed |
|
38
UBS Group
Zurich,
Switzerland
| – | -$312 | -66 | Closed |
|
NEPH Hedge Fund Activity: Q4 2025 in Review
35 of the 8,252 institutional investors tracked by Wall St. Rank reported a position in Nephros (NEPH) for Q4 2025, worth a combined $25.9M — up 9.1% from $23.7M a quarter earlier.
Buyers outnumbered sellers: 14 funds opened new NEPH positions and 3 closed out — a net gain of 11 holders — while 11 added to existing stakes and 5 trimmed.
The largest buyer was Cambridge Investment Research Advisors, opening a new position worth an estimated $353K. The largest seller was Vanguard Group, cutting an estimated $244K.
- 35 institutional investors held Nephros (NEPH) as of Q4 2025, up from 24 in Q3 2025.
- Funds reported $25.9M of Nephros stock for Q4 2025, up 9.1% quarter-over-quarter.
- 14 funds opened new Nephros positions in Q4 2025 and 3 closed out, a net change of +11 holders.
- The largest Nephros buyer in Q4 2025 was Cambridge Investment Research Advisors, an estimated $353K added.
- The largest Nephros seller in Q4 2025 was Vanguard Group, an estimated $244K sold.
Based on aggregated 13F filings for Q4 2025.