MBX
MBX Biosciences
136 hedge funds and large institutions have $1.53B invested in MBX Biosciences in 2025 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 52 increasing their positions, 25 reducing their positions, and 25 closing their positions.
New
Increased
Maintained
Reduced
Closed
more funds holding in top 10
Funds holding in top 10: →
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
more first-time investments, than exits
New positions opened: | Existing positions closed:
16% more funds holding
Funds holding: 117 → 136 (+19)
34.41% less ownership
Funds ownership: 142.26% → 107.85% (-34%)
71% less call options, than puts
Call options by funds: $4.09M | Put options by funds: $14M
Holders
136
Holding in Top 10
7
Calls
$4.09M
Puts
$14M
Top Buyers
| 1 | +$24.7M | |
| 2 | +$23.3M | |
| 3 | +$21.6M | |
| 4 |
D.E. Shaw & Co
New York
|
+$16.3M |
| 5 |
State Street
Boston,
Massachusetts
|
+$8.58M |
Top Sellers
| 1 | -$35.8M | |
| 2 | -$25.8M | |
| 3 | -$22.9M | |
| 4 |
WP
Woodline Partners
San Francisco,
California
|
-$4.88M |
| 5 |
BBA
Baker Bros. Advisors
New York
|
-$4.86M |
