Security key
81750R201
Seres Therapeutics, Inc. - COMMON STOCK (MCRB)
CUSIP: 81750R201
Q1 2025 13F Holders as of 31 Mar 2025
- Type / Class
- Equity / COMMON STOCK
- Shares outstanding
- 8,667,871
- Total 13F shares
- 145,407
- Share change
- +145,407
- Total reported value
- $101,799
- Price per share
- $0.70
- Number of holders
- 4
- Value change
- +$101,799
- Number of buys
- 4
Report period
Q1 2025
Institutions
4
Top holders
4
MCRB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2025
Seres Therapeutics, Inc. SEC filings
Seres Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 81750R201
Recent filing periods:
Ownership snapshot
Top shareholders of MCRB - Seres Therapeutics, Inc. - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
FMR LLC
13D/G signal
FMR LLC
Evidence rows
50
Latest as of
31 Dec 2024
13F
13D/G
Lead comparable stake: 13%
13D/G row: FMR LLC
Showing first 8 of 50 holder rows.
Open remaining rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
Company
|
13%
from 13D/G
|
$18,125,520
21,811,697 shares
|
— | 31 Dec 2024 |
| Flagship Pioneering, LLC |
13F
Company
|
14%
|
$19,251,994
23,117,045 shares
|
— | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
3.4%
|
$4,881,194
5,873,880 shares
|
— | 31 Dec 2024 |
| MORGAN STANLEY |
13F
Company
|
1.2%
|
$1,673,011
2,013,251 shares
|
— | 31 Dec 2024 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
1.1%
|
$1,504,707
1,810,719 shares
|
— | 31 Dec 2024 |
| BlackRock, Inc. |
13F
Company
|
1%
|
$1,464,352
1,762,157 shares
|
— | 31 Dec 2024 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.89%
|
$1,255,601
1,510,432 shares
|
— | 31 Dec 2024 |
| Vontobel Holding Ltd. |
13F
Company
|
0.55%
|
$779,723
938,295 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
4
Shares
145,407
Rows loaded
4
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.
Compare Q1 2025 vs Q4 2025 Across Filers
Q4 2025 holders
35
Q1 2025 holders
4
Holder diff
-31
| Investor | Q4 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend