Rockwell Medical
RMTI
36 hedge funds and large institutions have $4.03M invested in Rockwell Medical in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 9 increasing their positions, 8 reducing their positions, and 9 closing their positions.
13% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 8
0.75% less ownership
Funds ownership: 1.72% → 0.97% (-0.75%)
12% less funds holding
Funds holding: 41 → 36 (-5)
19% less capital invested
Capital invested by funds: $5M → $4.03M (-$970K)
56% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 9
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$182K |
| 2 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$173K |
| 3 |
Renaissance Technologies
New York
|
+$25K |
| 4 |
PAM
Panagora Asset Management
Boston,
Massachusetts
|
+$24.7K |
| 5 |
Northern Trust
Chicago,
Illinois
|
+$22.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Armistice Capital
New York
|
-$1.82M |
| 2 |
GC
Globeflex Capital
San Diego,
California
|
-$265K |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$148K |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
-$126K |
| 5 |
Squarepoint
New York
|
-$45.1K |
RMTI Hedge Fund Activity: Q3 2025 in Review
36 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Rockwell Medical (RMTI) for Q3 2025, worth a combined $4.03M — down 19% from $5M a quarter earlier.
Sellers outnumbered buyers: 9 funds closed out of RMTI and 4 opened new positions — a net loss of 5 holders — while 8 trimmed existing stakes and 9 added.
The largest buyer was Vanguard Group, adding an estimated $182K. The largest seller was Armistice Capital, exiting entirely with an estimated $1.82M sold.
- 36 institutional investors held Rockwell Medical (RMTI) as of Q3 2025, down from 41 in Q2 2025.
- Funds reported $4.03M of Rockwell Medical stock for Q3 2025, down 19% quarter-over-quarter.
- 4 funds opened new Rockwell Medical positions in Q3 2025 and 9 closed out, a net change of -5 holders.
- The largest Rockwell Medical buyer in Q3 2025 was Vanguard Group, an estimated $182K added.
- The largest Rockwell Medical seller in Q3 2025 was Armistice Capital, an estimated $1.82M sold.
Based on aggregated 13F filings for Q3 2025.