Rimini Street
RMNI
108 hedge funds and large institutions have $204M invested in Rimini Street in 2026 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 38 increasing their positions, 36 reducing their positions, and 19 closing their positions.
375% more call options, than puts
Call options by funds: $4.98M | Put options by funds: $1.05M
6% more repeat investments, than reductions
Existing positions increased: 38 | Existing positions reduced: 36
0.83% more ownership
Funds ownership: 67.06% → 67.89% (+0.83%)
0% more funds holding in top 10
Funds holding in top 10: 5 → 5 (0)
5% less funds holding
Funds holding: 114 → 108 (-6)
14% less capital invested
Capital invested by funds: $239M → $204M (-$34.6M)
21% less first-time investments, than exits
New positions opened: 15 | Existing positions closed: 19
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
I
Immersion
Aventura,
Florida
|
+$5.44M |
| 2 |
MBAM
Mink Brook Asset Management
West Palm Beach,
Florida
|
+$2.15M |
| 3 |
SM
Samjo Management
New York
|
+$1.54M |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
+$802K |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$563K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MHP
Manatuck Hill Partners
Westport,
Connecticut
|
-$2.48M |
| 2 |
CM
Caption Management
Oklahoma City,
Oklahoma
|
-$1.83M |
| 3 |
Boston Partners
Boston,
Massachusetts
|
-$1.65M |
| 4 |
Diamond Hill Capital Management
Columbus,
Ohio
|
-$1.23M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$581K |
RMNI Hedge Fund Activity: Q1 2026 in Review
108 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Rimini Street (RMNI) for Q1 2026, worth a combined $204M — down 14% from $239M a quarter earlier.
Sellers outnumbered buyers: 19 funds closed out of RMNI and 15 opened new positions — a net loss of 4 holders — while 36 trimmed existing stakes and 38 added.
The largest buyer was Immersion, adding an estimated $5.44M. The largest seller was Manatuck Hill Partners, exiting entirely with an estimated $2.48M sold.
- 108 institutional investors held Rimini Street (RMNI) as of Q1 2026, down from 114 in Q4 2025.
- Funds reported $204M of Rimini Street stock for Q1 2026, down 14% quarter-over-quarter.
- 15 funds opened new Rimini Street positions in Q1 2026 and 19 closed out, a net change of -4 holders.
- The largest Rimini Street buyer in Q1 2026 was Immersion, an estimated $5.44M added.
- The largest Rimini Street seller in Q1 2026 was Manatuck Hill Partners, an estimated $2.48M sold.
Based on aggregated 13F filings for Q1 2026.