Institutional Ownership
Seres Therapeutics Inc
CUSIP 81750R201COM NEWMCRBQ1 2026
13D / 13G Filings
2
Schedule 13D/13G on record
Beneficial Filers
1
Distinct reporting persons
Largest Stake
5.7%
Max % of class reported
Institutional Holders
30
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
2 filings · latest Aug 6, 2025
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Flagship Pioneering, LLC | 1.16M | $10.25M |
| 2 | Marshall Wace, LLP | 139.5K | $1.24M |
| 3 | Vontobel Holding Ltd. | 138.5K | $1.23M |
| 4 | Susquehanna International Group, LLP | 105.3K | $934.4K |
| 5 | Blackrock, Inc. | 102.0K | $905.0K |
| 6 | Geode Capital Management, LLC | 74.8K | $664.1K |
| 7 | American Century Companies Inc | 62.3K | $552.7K |
| 8 | State Street Corp | 33.9K | $300.7K |
| 9 | Charles Schwab Investment Management Inc | 31.6K | $280.6K |
| 10 | Lion Point Capital, LP | 31.6K | $280.0K |