Seres Therapeutics
MCRB
MCRB
33 hedge funds and large institutions have $20.5M invested in Seres Therapeutics in 2026 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 10 increasing their positions, 8 reducing their positions, and 7 closing their positions.
New
Increased
Maintained
Reduced
Closed
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more funds holding in top 10
Funds holding in top 10: →
less ownership
Funds ownership: →
less funds holding
Funds holding: →
29% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 7
29% less call options, than puts
Call options by funds: $958K | Put options by funds: $1.35M
44% less capital invested
Capital invested by funds: $36.4M → $20.5M (-$15.9M)
Holders
33
Holding in Top 10
1
Calls
$958K
Puts
$1.35M
Top Buyers
| 1 | +$539K | |
| 2 | +$413K | |
| 3 | +$227K | |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$32.8K |
| 5 |
Simplex Trading
Chicago,
Illinois
|
+$21.5K |
Top Sellers
| 1 | -$874K | |
| 2 | -$778K | |
| 3 | -$433K | |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$368K |
| 5 |
OAC
OMERS Administration Corp
Toronto,
Ontario, Canada
|
-$214K |
