Rapid Micro Biosystems
RPID
29 hedge funds and large institutions have $52.3M 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
29% more capital invested
Capital invested by funds: $40.4M → $52.3M (+$11.8M)
4% more funds holding
Funds holding: 28 → 29 (+1)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
1.03% less ownership
Funds ownership: 39.53% → 38.51% (-1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PHP
Parkman Healthcare Partners
Stamford,
Connecticut
|
+$516K |
| 2 |
XT
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 |
OAC
OMERS Administration Corp
Toronto,
Ontario, Canada
|
-$289K |
| 4 |
EFA
Evernest Financial Advisors
Carmel,
Indiana
|
-$253K |
| 5 |
Mariner
Overland Park,
Kansas
|
-$34K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
26
Bank of America
Charlotte,
North Carolina
| $611 | +$84 | +29 | +20% |
|
27
JP Morgan Chase
New York
| $376 | – | – | – |
|
|
SPIA
28
Steward Partners Investment Advisory
New York
| $345 | +$290 | +100 | New |
|
|
SS
29
SBI Securities
Tokyo,
Japan
| $52 | – | – | – |
|
|
OAC
30
OMERS Administration Corp
Toronto,
Ontario, Canada
| – | -$289K | -109,400 | Closed |
|
|
TRCT
31
Tower Research Capital (TRC)
New York
| – | -$924 | -350 | Closed |
|
RPID Hedge Fund Activity: Q2 2025 in Review
29 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Rapid Micro Biosystems (RPID) for Q2 2025, worth a combined $52.3M — up 29% from $40.4M 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.
- 29 institutional investors held Rapid Micro Biosystems (RPID) as of Q2 2025, up from 28 in Q1 2025.
- Funds reported $52.3M 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.