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.
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MBAM
Mink Brook Asset Management
West Palm Beach,
Florida
|
+$3.11M |
| 2 |
CM
Caption Management
Oklahoma City,
Oklahoma
|
+$2.7M |
| 3 |
MHP
Manatuck Hill Partners
Westport,
Connecticut
|
+$2.15M |
| 4 |
CP
CenterBook Partners
Greenwich,
Connecticut
|
+$1.49M |
| 5 |
EI
EAM Investors
Solana Beach,
California
|
+$759K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$1.88M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$1.13M |
| 3 |
Millennium Management
New York
|
-$1.08M |
| 4 |
FG
Formula Growth
Montreal,
Quebec, Canada
|
-$754K |
| 5 |
Los Angeles Capital Management
Los Angeles,
California
|
-$668K |
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.