Sera Prognostics, Inc.
SERA- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0001534969
In the last 90 days, Sera Prognostics, Inc. insiders filed 0 open-market purchases and 5 sales; 47 institutions reported holding it in 13F filings for Q2 2026, worth $31.0M in total; no superinvestor holds it.
Q1 2026 vs. Q4 2025
How the institutions holding Sera Prognostics, Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 57 | 1 | 56 | 0 |
| Shares | 17.6M | 1.24M | 19.9M | +3.54M (+21.6%) |
| Value | $52.1M | $3.66M | $40.5M | −$7.92M (−16.4%) |
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (11)
Institutions that held Sera Prognostics, Inc. at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| PSP Research LLC | 2,396,685 | $4.87M | 3.44% |
| Vanguard Capital Management LLC | 1,204,115 | $2.44M | 0.00% |
| Sanders Morris Harris LLC | 314,950 | $639.3K | 0.10% |
| Vanguard Fiduciary Trust Co | 169,661 | $344.4K | 0.00% |
| Catalyst Funds Management Pty Ltd | 23,564 | $47.8K | 0.01% |
| XTX Topco Ltd | 16,491 | $33.5K | 0.00% |
| Arkadios Wealth Advisors | 12,400 | $25.2K | 0.00% |
| Vanguard Global Advisers, LLC | 11,169 | $22.7K | 0.00% |
| Silicon Valley Capital Partners | 57 | $116 | 0.00% |
| Advisory Services Network, LLC | 19 | $39 | 0.00% |
| Caitong International Asset Management Co., Ltd | 4 | $8 | 0.00% |
Sold out (11)
Institutions that held Sera Prognostics, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| CI Private Wealth, LLC | 100,000 | $290.0K |
| Susquehanna International Group, LLP | 71,532 | $211.0K |
| Lido Advisors, LLC | 16,623 | $50.3K |
| Point72 Asset Management, L.P. | 11,403 | $33.6K |
| Abel Hall, LLC | 11,037 | $32.6K |
| Deutsche Bank AG | 8,729 | $25.8K |
| Bank of America Corp | 4,670 | $13.8K |
| Tower Research Capital LLC (TRC) | 945 | $2.79K |
| Torren Management, LLC | 389 | $1.15K |
| Fortitude Family Office, LLC | 301 | $888 |
| Citigroup Inc | 200 | $590 |
Not filed for Q1 2026 yet (1)
Institutions that held Sera Prognostics, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Vanguard Group Inc | 1,239,449 | $3.66M |