Q32 Bio
QTTB
61 hedge funds and large institutions have $13.4M invested in Q32 Bio in 2025 Q2 according to their latest regulatory filings, with 10 funds opening new positions, 12 increasing their positions, 19 reducing their positions, and 22 closing their positions.
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
3.5% less ownership
Funds ownership: 77.11% → 73.61% (-3.5%)
14% less capital invested
Capital invested by funds: $15.5M → $13.4M (-$2.16M)
16% less funds holding
Funds holding: 73 → 61 (-12)
37% less repeat investments, than reductions
Existing positions increased: 12 | Existing positions reduced: 19
55% less first-time investments, than exits
New positions opened: 10 | Existing positions closed: 22
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$222K |
| 2 |
MAM
Monaco Asset Management
Monaco
|
+$147K |
| 3 |
Renaissance Technologies
New York
|
+$131K |
| 4 |
Jane Street
New York
|
+$79.5K |
| 5 |
Goldman Sachs
New York
|
+$32.7K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$475K |
| 2 |
State Street
Boston,
Massachusetts
|
-$188K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
-$129K |
| 4 |
Mariner
Overland Park,
Kansas
|
-$124K |
| 5 |
N
Nuveen
Charlotte,
North Carolina
|
-$92.2K |
QTTB Hedge Fund Activity: Q2 2025 in Review
61 of the 7,598 institutional investors tracked by Wall St. Rank reported a position in Q32 Bio (QTTB) for Q2 2025, worth a combined $13.4M — down 14% from $15.5M a quarter earlier.
Sellers outnumbered buyers: 22 funds closed out of QTTB and 10 opened new positions — a net loss of 12 holders — while 19 trimmed existing stakes and 12 added.
The largest buyer was Millennium Management, opening a new position worth an estimated $222K. The largest seller was BlackRock, cutting an estimated $475K.
- 61 institutional investors held Q32 Bio (QTTB) as of Q2 2025, down from 73 in Q1 2025.
- Funds reported $13.4M of Q32 Bio stock for Q2 2025, down 14% quarter-over-quarter.
- 10 funds opened new Q32 Bio positions in Q2 2025 and 22 closed out, a net change of -12 holders.
- The largest Q32 Bio buyer in Q2 2025 was Millennium Management, an estimated $222K added.
- The largest Q32 Bio seller in Q2 2025 was BlackRock, an estimated $475K sold.
Based on aggregated 13F filings for Q2 2025.