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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
36
Holders Change
-5
Holders Change %
-12.2%
% of All Funds
0.47%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
9
Reduced
8
Closed
9
Calls
$70K
Puts
–
Net Calls
+$70K
Net Calls Change
-$21K

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$182K
2
GCP
GSA Capital Partners
United Kingdom
+$173K
3
Renaissance Technologies
Renaissance Technologies
New York
+$25K
4
PAM
Panagora Asset Management
Massachusetts
+$24.7K
5
Northern Trust
Northern Trust
Illinois
+$22.9K

Top Sellers

Rank Fund Capital Flow
1
AC
Armistice Capital
New York
-$1.82M
2
GC
Globeflex Capital
California
-$265K
3
Marshall Wace
Marshall Wace
United Kingdom
-$148K
4
Ameriprise
Ameriprise
Minnesota
-$126K
5
Squarepoint
Squarepoint
New York
-$45.1K
Name Holding Trade Value Shares
Change 		Change in
Stake
Wells Fargo
26
Wells Fargo
California
$5.98K – – –
SS
27
SBI Securities
Japan
$4.21K – – –
Jones Financial Companies
28
Jones Financial Companies
Missouri
$1.6K – – –
Simplex Trading
29
Simplex Trading
Illinois
$1K -$1.32K -108 -43%
Osaic Holdings
30
Osaic Holdings
Arizona
$674 -$24 -2 -4%
VWM
31
Vermillion Wealth Management
Minnesota
$432 – – –
RA
32
Rise Advisors
New York
$258 – – –
Comerica Bank
33
Comerica Bank
Texas
$196 – – –
JP Morgan Chase
34
JP Morgan Chase
New York
$42 – – –
Group One Trading
35
Group One Trading
Illinois
$14 +$12 +1 New
Fidelity Investments
36
Fidelity Investments
Massachusetts
$8 +$12 +1 New
AC
37
Armistice Capital
New York
– -$1.82M -214,947 Closed
GC
38
Globeflex Capital
California
– -$265K -31,206 Closed
Marshall Wace
39
Marshall Wace
United Kingdom
– -$148K -17,378 Closed
Ameriprise
40
Ameriprise
Minnesota
– -$126K -14,830 Closed
Squarepoint
41
Squarepoint
New York
– -$45.1K -5,317 Closed
RFC
42
Regions Financial Corp
Alabama
– -$29.5K -3,479 Closed
TRCT
43
Tower Research Capital (TRC)
New York
– -$5.66K -667 Closed
BFP
44
Briaud Financial Planning
Texas
– -$4K -550 Closed
SAM
45
S.A. Mason
Michigan
– -$1.7K -200 Closed
Citigroup
46
Citigroup
New York
– -$1 – –
1
2

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.