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Rimini Street
RMNI

117 hedge funds and large institutions have $280M invested in Rimini Street in 2025 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 26 increasing their positions, 45 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

26% more capital invested

Capital invested by funds: $222M → $280M (+$57.8M)

0.45% more ownership

Funds ownership: 64.26% → 64.71% (+0.45%)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

3% less funds holding

Funds holding: 120 → 117 (-3)

14% less first-time investments, than exits

New positions opened: 19 | Existing positions closed: 22

42% less repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 45

89% less call options, than puts

Call options by funds: $1.28M | Put options by funds: $11.1M

Holders
117
Holders Change
-3
Holders Change %
-2.5%
% of All Funds
1.54%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
19
Increased
26
Reduced
45
Closed
22
Calls
$1.28M
Puts
$11.1M
Net Calls
-$9.87M
Net Calls Change
-$9.92M

Top Buyers

Rank Fund Capital Flow
1
MBAM
Mink Brook Asset Management
Florida
+$3.11M
2
CM
Caption Management
Oklahoma
+$2.7M
3
MHP
Manatuck Hill Partners
Connecticut
+$2.15M
4
CP
CenterBook Partners
Connecticut
+$1.49M
5
EI
EAM Investors
California
+$759K

Top Sellers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
-$1.88M
2
Marshall Wace
Marshall Wace
United Kingdom
-$1.13M
3
Millennium Management
Millennium Management
New York
-$1.08M
4
FG
Formula Growth
Quebec, Canada
-$754K
5
Los Angeles Capital Management
Los Angeles Capital Management
California
-$668K
Name Holding Trade Value Shares
Change 		Change in
Stake
Walleye Capital
126
Walleye Capital
New York
– -$143K -37,958 Closed
HF
127
HRT Financial
New York
– -$123K -32,767 Closed
OQS
128
Occudo Quantitative Strategies
Florida
– -$123K -32,596 Closed
JF
129
Jump Financial
Illinois
– -$104K -27,581 Closed
QC
130
Quadrature Capital
United Kingdom
– -$101K -26,730 Closed
DTL
131
Dynamic Technology Lab
Singapore
– -$90K -23,747 Closed
Arrowstreet Capital
132
Arrowstreet Capital
Massachusetts
– -$81.5K -21,625 Closed
Axa
133
Axa
France
– -$73.5K -19,483 Closed
VOYA Investment Management
134
VOYA Investment Management
Georgia
– -$59.6K -15,796 Closed
GCM
135
Graham Capital Management
Connecticut
– -$50.5K -13,398 Closed
GCP
136
GSA Capital Partners
United Kingdom
– -$40K -10,718 Closed
ProShare Advisors
137
ProShare Advisors
Maryland
– -$37.7K -10,006 Closed
PBK
138
Peoples Bank (Kansas)
Kansas
– -$37.7K -10,000 Closed
Raymond James Financial
139
Raymond James Financial
Florida
– -$16.4K -4,349 Closed
PD
140
Point72 (DIFC)
United Arab Emirates
– -$6.45K -1,710 Closed
2 3 4 5
6

RMNI Hedge Fund Activity: Q3 2025 in Review

117 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Rimini Street (RMNI) for Q3 2025, worth a combined $280M — up 26% from $222M a quarter earlier.

Sellers outnumbered buyers: 22 funds closed out of RMNI and 19 opened new positions — a net loss of 3 holders — while 45 trimmed existing stakes and 26 added.

The largest buyer was Mink Brook Asset Management, adding an estimated $3.11M. The largest seller was Morgan Stanley, cutting an estimated $1.88M.

  • 117 institutional investors held Rimini Street (RMNI) as of Q3 2025, down from 120 in Q2 2025.
  • Funds reported $280M of Rimini Street stock for Q3 2025, up 26% quarter-over-quarter.
  • 19 funds opened new Rimini Street positions in Q3 2025 and 22 closed out, a net change of -3 holders.
  • The largest Rimini Street buyer in Q3 2025 was Mink Brook Asset Management, an estimated $3.11M added.
  • The largest Rimini Street seller in Q3 2025 was Morgan Stanley, an estimated $1.88M sold.

Based on aggregated 13F filings for Q3 2025.