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.
13F holders, Q3 2023
Institutional positions in Sera Prognostics, Inc. as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 28
- −5 vs. Q2 2023
- Shares held
- 8.86M
- −653.6K (−6.9%) vs. Q2 2023
- Total value
- $16.5M
- −$14.9M (−47.4%) vs. Q2 2023
- New holders
- 1
- 7 more added
- Sold out
- 6
- 6 more reduced
Compare with Q2 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SERA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 47 | $31.0M |
| Q1 2026 | 56 | $40.5M |
| Q4 2025 | 57 | $52.1M |
| Q3 2025 | 62 | $55.6M |
| Q2 2025 | 59 | $51.5M |
| Q1 2025 | 71 | $74.4M |
| Q4 2024 | 73 | $147.2M |
| Q3 2024 | 61 | $140.3M |
| Q2 2024 | 65 | $98.2M |
| Q1 2024 | 52 | $131.1M |
| Q4 2023 | 47 | $66.8M |
| Q3 2023 | 28 | $16.5M |
| Q2 2023 | 33 | $31.4M |
| Q1 2023 | 35 | $36.5M |
| Q4 2022 | 29 | $8.86M |
| Q3 2022 | 35 | $13.9M |
| Q2 2022 | 30 | $14.2M |
| Q1 2022 | 45 | $36.6M |
| Q4 2021 | 37 | $63.8M |
| Q3 2021 | 36 | $96.1M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Sera Prognostics, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Interwest Venture Management Co | 2,416,241 | $4.49M | 21.78% | 00.0% | Unchanged |
| Vivo Capital, LLC | 1,856,011 | $3.45M | 0.43% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 1,515,342 | $2.82M | 0.02% | −262,093−14.7% | Reduced |
| Vanguard Group Inc | 786,792 | $1.46M | 0.00% | +13,364+1.7% | Added |
| Fosun International Ltd | 554,148 | $1.03M | 0.17% | 00.0% | Unchanged |
| Sanders Morris Harris LLC | 445,105 | $827.9K | 0.17% | +81,933+22.6% | Added |
| Captrust Financial Advisors | 422,799 | $786.4K | 0.00% | +41,062+10.8% | Added |
| Geode Capital Management, LLC | 178,290 | $331.7K | 0.00% | +32,804+22.5% | Added |
| Acuitas Investments, LLC | 173,195 | $322.1K | 0.19% | −70.0% | Reduced |
| Bridgeway Capital Management, LLC | 96,105 | $178.8K | 0.00% | +22,800+31.1% | Added |
| Commonwealth Equity Services, LLC | 70,588 | $131.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 57,629 | $107.2K | 0.00% | −2,289−3.8% | Reduced |
| Requisite Capital Management, LLC | 55,648 | $103.5K | 0.03% | 00.0% | Unchanged |
| State Street Corp | 50,192 | $93.4K | 0.00% | 00.0% | Unchanged |
| Marquette Asset Management, LLC | 35,687 | $66.4K | 0.02% | 00.0% | Unchanged |
| Northern Trust Corp | 27,191 | $50.6K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 21,000 | $39.1K | 0.00% | −2,326−10.0% | Reduced |
| Prime Capital Investment Advisors, LLC | 21,000 | $39.1K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 18,108 | $33.7K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 16,989 | $31.6K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 14,979 | $27.9K | 0.00% | −4,942−24.8% | Reduced |
| Bank of New York Mellon Corp | 12,997 | $24.2K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 12,000 | $22.3K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 4,019 | $7.47K | 0.00% | +250+6.6% | Added |
| JPMorgan Chase & Co | 959 | $1.78K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 137 | $255 | 0.00% | +39+39.8% | Added |
| Qube Research & Technologies Ltd | 4 | $7 | 0.00% | +4 | New |
| Royal Bank of Canada | 83 | $0 | 0.00% | −85−50.6% | Reduced |
| EAM Investors, LLC | 0 | $0 | 0.00% | −387,193−100.0% | Sold out |
| Riverview Capital Advisers, LLC | 0 | $0 | 0.00% | −102,731−100.0% | Sold out |
| Resource Consulting Group Inc | 0 | $0 | 0.00% | −46,734−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −15,400−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −12,087−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |