67 institutions reported holding $40.5M of SERA PROGNOSTICS INC (SERA) in SEC 13F filings for 2026-03-31. Largest institutional holders: BAKER BROS. ADVISORS LP ($11.2M), Whetstone Capital Advisors, LLC ($6.7M), Aberdeen Group plc ($5.2M), PSP Research LLC ($4.9M), Vivo Capital, LLC ($3.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BAKER BROS. ADVISORS LP | $11.2M | 5.5M | Hold |
| 2 | Whetstone Capital Advisors, LLC | $6.7M | 3.3M | Trimmed |
| 3 | Aberdeen Group plc | $5.2M | 2.6M | Added |
| 4 | PSP Research LLC | $4.9M | 2.4M | New |
| 5 | Vivo Capital, LLC | $3.4M | 1.7M | Hold |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $2.4M | 1.2M | New |
| 7 | CAPTRUST FINANCIAL ADVISORS | $1.1M | 536,761 | Trimmed |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $738,511 | 363,617 | Added |
| 9 | SANDERS MORRIS HARRIS LLC | $639,349 | 314,950 | New |
| 10 | CITADEL ADVISORS LLC | $535,329 | 263,709 | Trimmed |
| 11 | AWM Investment Company, Inc. | $420,985 | 207,382 | Hold |
| 12 | BlackRock, Inc. | $398,093 | 196,105 | Added |
| 13 | VANGUARD FIDUCIARY TRUST CO | $344,412 | 169,661 | New |
| 14 | STATE STREET CORP | $253,328 | 124,792 | Hold |
| 15 | MORGAN STANLEY | $213,184 | 105,017 | Added |
| 16 | GSA CAPITAL PARTNERS LLP | $213,000 | 104,973 | Trimmed |
| 17 | NORTHERN TRUST CORP | $195,966 | 96,535 | Hold |
| 18 | MILLENNIUM MANAGEMENT LLC | $185,753 | 91,504 | Trimmed |
| 19 | Perigon Wealth Management, LLC | $147,551 | 72,685 | Hold |
| 20 | Bank of New York Mellon Corp | $123,682 | 60,927 | Trimmed |
| 21 | Requisite Capital Management, LLC | $112,965 | 55,648 | Hold |
| 22 | JANE STREET GROUP, LLC | $109,433 | 53,908 | Trimmed |
| 23 | Ballentine Partners, LLC | $100,818 | 49,664 | Hold |
| 24 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $92,781 | 45,705 | Hold |
| 25 | Twelve Points Wealth Management LLC | $88,078 | 43,388 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31