Nephros
NEPH
NEPH
20 hedge funds and large institutions have $19.8M invested in Nephros in 2025 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 7 increasing their positions, 5 reducing their positions, and 1 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more funds holding
Funds holding: →
1.77% more ownership
Funds ownership: 44.01% → 45.77% (+1.8%)
Holders
20
Holding in Top 10
1
Calls
–
Puts
–
Top Buyers
| 1 | +$488K | |
| 2 | +$226K | |
| 3 | +$102K | |
| 4 |
Renaissance Technologies
New York
|
+$44.6K |
| 5 |
WC
Wexford Capital
West Palm Beach,
Florida
|
+$30.8K |
Top Sellers
| 1 | -$99.9K | |
| 2 | -$49.5K | |
| 3 | -$14.3K | |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
-$6.92K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$548 |
