Sera Prognostics, Inc. CLASS A COM is a security (CUSIP 81749D107) tracked across SEC portfolio filings. 56 institutional managers reported $35.5M on Form 13F as of 2026-06-30; 5 registered fund positions totaling $5.8M via N-PORT as of 2026-03-31.
Showing 15 of 56 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BAKER BROS. ADVISORS LP | NEW YORK, NY | $11.2M | 5,498,170 |
| Whetstone Capital Advisors, LLC | SHAWNEE MISSION, KS | $6.7M | 3,306,889 |
| Aberdeen Group plc | EDINBURGH, X0 | $5.0M | 2,753,525 |
| VANGUARD GROUP INC | Valley Forge, PA | $3.7M | 1,239,449 |
| Vivo Capital, LLC | Palo Alto, CA | $3.4M | 1,650,440 |
| CAPTRUST FINANCIAL ADVISORS | RALEIGH, NC | $1.1M | 536,761 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $739K | 363,617 |
| CITADEL ADVISORS LLC | MIAMI, FL | $535K | 248,909 |
| AWM Investment Company, Inc. | NEW YORK, NY | $421K | 207,382 |
| BlackRock, Inc. | New York, NY | $398K | 196,105 |
| STATE STREET CORP | BOSTON, MA | $253K | 124,792 |
| MORGAN STANLEY | NEW YORK, NY | $213K | 105,017 |
| NORTHERN TRUST CORP | CHICAGO, IL | $196K | 96,535 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $186K | 91,504 |
| Perigon Wealth Management, LLC | SAN FRANCISCO, CA | $148K | 72,685 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| abrdn Healthcare Investors | abrdn Healthcare Investors | $2.6M | 23.14% |
| abrdn Healthcare Opportunities Fund | abrdn Healthcare Opportunities Fund | $2.5M | 35.31% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $618K | 0.08% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $24K | 0.00% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $-1K | -0.00% |