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, Q4 2022
Institutional positions in Sera Prognostics, Inc. as of Dec 31, 2022. 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
- 29
- −5 vs. Q3 2022
- Shares held
- 7.04M
- −1.50M (−17.6%) vs. Q3 2022
- Total value
- $8.86M
- −$4.81M (−35.2%) vs. Q3 2022
- New holders
- 5
- 2 more added
- Sold out
- 10
- 14 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Sera Prognostics, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 48 | $60 | 0.00% | −331−87.3% | Reduced |
| Citigroup Inc | 91 | $112 | 0.00% | −341−78.9% | Reduced |
| JPMorgan Chase & Co | 959 | $1.00K | 0.00% | −1,199−55.6% | Reduced |
| Morgan Stanley | 3,190 | $4.02K | 0.00% | −7,058−68.9% | Reduced |
| Tower Research Capital LLC (TRC) | 4,563 | $6.00K | 0.00% | −3,565−43.9% | Reduced |
| Segall Bryant & Hamill, LLC | 10,000 | $12.0K | 0.00% | 00.0% | Unchanged |
| Ergoteles LLC | 12,018 | $14.8K | 0.00% | +12,018 | New |
| Northern Trust Corp | 15,826 | $19.9K | 0.00% | 00.0% | Unchanged |
| Aspiriant, LLC | 16,472 | $20.8K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 16,929 | $21.0K | 0.00% | −11,988−41.5% | Reduced |
| Ensign Peak Advisors, Inc | 18,108 | $22.3K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 20,000 | $25.2K | 0.00% | −29,503−59.6% | Reduced |
| Prime Capital Investment Advisors, LLC | 21,000 | $26.5K | 0.00% | +21,000 | New |
| Renaissance Technologies LLC | 26,400 | $33.0K | 0.00% | −40,940−60.8% | Reduced |
| BlackRock Inc. | 43,896 | $55.3K | 0.00% | −11,723−21.1% | Reduced |
| Marquette Asset Management, LLC | 50,389 | $63.5K | 0.02% | +50,389 | New |
| HB Wealth Management, LLC | 55,287 | $69.7K | 0.00% | +55,287 | New |
| Commonwealth Equity Services, LLC | 70,588 | $88.0K | 0.00% | −964−1.3% | Reduced |
| Riverview Capital Advisers, LLC | 97,168 | $122.4K | 0.07% | +97,168 | New |
| Geode Capital Management, LLC | 123,567 | $151.0K | 0.00% | −279−0.2% | Reduced |
| AWM Investment Company, Inc. | 171,640 | $211.1K | 0.03% | −69,006−28.7% | Reduced |
| Baker Bros. Advisors LP | 201,562 | $254.0K | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 212,556 | $267.8K | 0.00% | +579+0.3% | Added |
| Wells Fargo & Company | 312,255 | $393.4K | 0.00% | −185−0.1% | Reduced |
| Skye Global Management LP | 332,500 | $418.9K | 0.01% | −193,500−36.8% | Reduced |
| Captrust Financial Advisors | 379,237 | $477.8K | 0.00% | +141,138+59.3% | Added |
| Fosun International Ltd | 554,148 | $698.2K | 0.06% | 00.0% | Unchanged |
| Vivo Capital, LLC | 1,856,011 | $2.34M | 0.28% | 00.0% | Unchanged |
| Interwest Venture Management Co | 2,416,241 | $3.04M | 14.64% | 00.0% | Unchanged |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −1,389,573−100.0% | Sold out |
| Requisite Capital Management, LLC | 0 | $0 | 0.00% | −55,648−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −23,527−100.0% | Sold out |
| Lesa Sroufe & Co | 0 | $0 | 0.00% | −16,506−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −12,558−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −9,805−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −1,310−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −1,550−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −277−100.0% | Sold out |
| Parian Global Management LP | – | – | – | – | Not filed |