SERES THERAPEUTICS INC COM NEW is a security (CUSIP 81750R201) tracked across SEC portfolio filings. 32 institutional managers reported $23.9M on Form 13F as of 2026-06-30; 6 registered fund positions totaling $837K via N-PORT as of 2026-05-29.
Showing 15 of 32 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Flagship Pioneering Inc. | Cambridge, MA | $10.3M | 1,155,850 |
| VANGUARD GROUP INC | Valley Forge, PA | $4.8M | 324,214 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $2.0M | 105,339 |
| MARSHALL WACE, LLP | LONDON, X0 | $1.2M | 139,539 |
| Vontobel Holding Ltd. | ZURICH, V8 | $970K | 122,975 |
| BlackRock, Inc. | New York, NY | $905K | 102,026 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $664K | 74,835 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $553K | 62,316 |
| CITADEL ADVISORS LLC | MIAMI, FL | $528K | — |
| HAP Trading, LLC | NEW YORK, NY | $335K | — |
| STATE STREET CORP | BOSTON, MA | $301K | 33,901 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | SAN FRANCISCO, CA | $281K | 31,630 |
| Lion Point Capital, LP | NEW YORK, NY | $280K | 31,570 |
| MORGAN STANLEY | NEW YORK, NY | $192K | 21,700 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $167K | 18,794 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $620K | 0.08% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $129K | 0.04% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $56K | 0.08% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $31K | 0.01% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $146 | 0.00% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $-399 | -0.00% |