Sera Prognostics Inc. Class ASERA
13F holders, Q1 2025 (March 31)71holders −2
8new positions
10sold out
2famous investors
$3.68avg. 13F price*
At the end of Q1 2025, 71 institutions reported holding Sera Prognostics Inc. Class A (SERA) in their 13F filings, down 2 from Q4 2024. 8 opened new positions and 10 sold out. The largest holders were Baker Bros. Advisors LP ($20.2M), Ra Capital Management, L.P. ($11.2M) and Vivo Capital, LLC ($6.1M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Sera Prognostics Inc. Class A
- CUSIP
- 81749D107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $5.8M |
| Exits | 10 | $1.1M |
All 13F filers, Q4 2024 → Q1 2025: 2,749,204 shares bought and 618,993 shares sold, net +2,130,211 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 71 holders
| Baker Bros. Advisors LP | 0.23% | Add +1.2% | 5,498,170 | $20.2M |
| Ra Capital Management, L.P. | 0.19% | No change | 3,032,808 | $11.2M |
| Vivo Capital, LLC | 0.80% | No change | 1,650,440 | $6.1M |
| BlackRock, Inc. | 0.00% | Reduce -1.7% | 1,538,059 | $5.7M |
| Vanguard Group Inc. | 0.00% | Add +1.8% | 1,275,362 | $4.7M |
| Aberdeen Group plc | 0.01% | New | 1,240,000 | $4.6M |
| AWM Investment Company, Inc. | 0.44% | Add +48.1% | 866,837 | $3.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -7.3% | 719,224 | $2.6M |
| Geode Capital Management, LLC | 0.00% | Add +5.8% | 634,252 | $2.3M |
| Citadel Advisors | 0.00% | Add +980223.4% | 627,407 | $2.3M |
| Captrust Financial Advisors | 0.00% | Add +2.9% | 501,911 | $1.8M |
| State Street Corp. | 0.00% | Add +8.4% | 472,293 | $1.7M |
| Northern Trust Corp. | 0.00% | Reduce -2.9% | 264,942 | $975K |
| Perkins Capital Management Inc. | 0.55% | New | 150,000 | $522K |
| Bank of New York Mellon Corp | 0.00% | Add +3.6% | 135,582 | $499K |
| Ghisallo Capital Management LLC | 0.03% | New | 100,000 | $368K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -37.4% | 98,764 | $363K |
| Sanders Morris Harris LLC | 0.05% | Add +4.0% | 94,200 | $347K |
| Bridgeway Capital Management, LLC | 0.01% | Add +3.3% | 90,705 | $334K |
| UBS Group AG | 0.00% | Add +29.4% | 86,784 | $319K |
| Morgan Stanley | 0.00% | Reduce -54.6% | 82,327 | $303K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.0% | 81,230 | $299K |
| Perigon Wealth Management, LLC | 0.01% | No change | 72,685 | $267K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -55.3% | 63,027 | $232K |
| Corient Private Wealth LP | 0.00% | Add +21.1% | 57,500 | $212K |
| Requisite Capital Management, LLC | 0.05% | No change | 55,648 | $205K |
| Ballentine Partners, LLC | 0.00% | No change | 49,664 | $183K |
| Twelve Points Wealth Management LLC | 0.04% | No change | 43,388 | $160K |
| HighTower Advisors, LLC | 0.00% | Add +0.1% | 43,070 | $158K |
| Rhumbline Advisers | 0.00% | Add +10.7% | 39,970 | $147K |
| Susquehanna International Group, LLP | 0.00% | Reduce -63.2% | 37,699 | $139K |
| Nuveen, LLC | 0.00% | — | 37,417 | $138K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -8.3% | 36,429 | $134K |
| Deutsche Bank AG | 0.00% | Reduce -3.8% | 34,027 | $125K |
| Caprock Group, LLC | 0.00% | New | 33,523 | $123K |
| Squarepoint Ops LLC | 0.00% | Add +95.2% | 32,719 | $120K |
| Equitable Holdings, Inc. | 0.00% | New | 32,293 | $119K |
| Barclays PLC | 0.00% | Reduce -30.5% | 31,080 | $114K |
| Gsa Capital Partners LLP | 0.01% | New | 27,455 | $101K |
| Millennium Management | 0.00% | Reduce -69.5% | 21,550 | $79K |
| Citigroup Inc. | 0.00% | Reduce -10.1% | 20,342 | $75K |
| Intech Investment Management LLC | 0.00% | Add +45.6% | 20,167 | $74K |
| Bank of America Corp. | 0.00% | Reduce -34.1% | 18,375 | $68K |
| MAI Capital Management | 0.00% | No change | 16,737 | $62K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 16,532 | $61K |
| Townsquare Capital LLC | 0.00% | No change | 16,000 | $59K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.2% | 14,004 | $52K |
| Pallas Capital Advisors LLC | 0.00% | Add +0.0% | 13,857 | $51K |
| Wells Fargo & Company | 0.00% | Add +3.5% | 13,658 | $50K |
| Invesco Ltd. | 0.00% | Reduce -4.3% | 13,124 | $48K |
| Focus Partners Wealth | 0.00% | Reduce -2.8% | 12,167 | $45K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 11,333 | $42K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.5% | 10,799 | $40K |
| XTX Topco Ltd | 0.00% | New | 10,496 | $39K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,549 | $20K |
| FMR LLC | 0.00% | Add +167.8% | 5,298 | $19K |
| New York State Common Retirement Fund | 0.00% | No change | 4,900 | $18K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +218.8% | 3,909 | $14K |
| Legal & General Group Plc | 0.00% | No change | 2,947 | $11K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,704 | $10K |
| California State Teachers Retirement System | 0.00% | No change | 2,122 | $8K |
| BNP Paribas Financial Markets | 0.00% | Reduce -53.1% | 1,617 | $6K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -36.2% | 1,143 | $4K |
| Amalgamated Bank | 0.00% | No change | 955 | $4K |
| Cwm, LLC | 0.00% | Add +4.4% | 1,068 | $4K |
| Group One Trading LLC | 0.00% | New | 400 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Add +283.9% | 311 | $1K |
| Royal Bank of Canada | 0.00% | Reduce -90.5% | 393 | $1K |
| Sterling Capital Management LLC | 0.00% | No change | 28 | $103 |
| SBI Securities Co., Ltd. | 0.00% | No change | 4 | $15 |
| Simplex Trading, LLC | 0.00% | Reduce -98.9% | 64 | $0 |
"% of holder's portfolio" is SERA's weight in each manager's 13F, not the share of Sera Prognostics Inc. Class A the manager owns.