Rapid Micro Biosystems
RPID
30 hedge funds and large institutions have $54.5M invested in Rapid Micro Biosystems in 2025 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 11 increasing their positions, 8 reducing their positions, and 2 closing their positions.
50% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 2
38% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 8
3% more funds holding
Funds holding: 29 → 30 (+1)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
1.05% less ownership
Funds ownership: 41.21% → 40.16% (-1.1%)
33% less capital inflows, than outflows
Capital inflows: $928K | Capital outflows: $1.39M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Parkman Healthcare Partners
Stamford,
Connecticut
|
+$516K |
| 2 |
XTX Topco
George Town,
Cayman Islands
|
+$121K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$60.3K |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
+$55.8K |
| 5 |
Morgan Stanley
New York
|
+$48.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$480K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$310K |
| 3 |
OMERS Administration Corp
Toronto,
Ontario, Canada
|
-$289K |
| 4 |
Evernest Financial Advisors
Carmel,
Indiana
|
-$253K |
| 5 |
Mariner
Overland Park,
Kansas
|
-$34K |
RPID Hedge Fund Activity: Q2 2025 in Review
30 of the 7,630 institutional investors tracked by Wall St. Rank reported a position in Rapid Micro Biosystems (RPID) for Q2 2025, worth a combined $54.5M — up 29% from $42.1M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new RPID positions and 2 closed out — a net gain of 1 holder — while 11 added to existing stakes and 8 trimmed.
The largest buyer was Parkman Healthcare Partners, adding an estimated $516K. The largest seller was BlackRock, cutting an estimated $480K.
- 30 institutional investors held Rapid Micro Biosystems (RPID) as of Q2 2025, up from 29 in Q1 2025.
- Funds reported $54.5M of Rapid Micro Biosystems stock for Q2 2025, up 29% quarter-over-quarter.
- 3 funds opened new Rapid Micro Biosystems positions in Q2 2025 and 2 closed out, a net change of +1 holder.
- The largest Rapid Micro Biosystems buyer in Q2 2025 was Parkman Healthcare Partners, an estimated $516K added.
- The largest Rapid Micro Biosystems seller in Q2 2025 was BlackRock, an estimated $480K sold.
Based on aggregated 13F filings for Q2 2025.