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 2021
Institutional positions in Sera Prognostics, Inc. as of Sep 30, 2021. 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
- 36
- +36 vs. Q2 2021
- Shares held
- 8.65M
- +8.65M vs. Q2 2021
- Total value
- $96.1M
- +$96.1M vs. Q2 2021
- New holders
- 36
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Sera Prognostics, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 27 | $0 | 0.00% | +27 | New |
| Morgan Stanley | 255 | $3.00K | 0.00% | +255 | New |
| Bank of America Corp | 414 | $4.00K | 0.00% | +414 | New |
| Legal & General Group Plc | 370 | $4.00K | 0.00% | +370 | New |
| Ameritas Investment Partners, Inc. | 365 | $4.00K | 0.00% | +365 | New |
| Tower Research Capital LLC (TRC) | 438 | $5.00K | 0.00% | +438 | New |
| Citigroup Inc | 543 | $6.00K | 0.00% | +543 | New |
| Royal Bank of Canada | 601 | $6.00K | 0.00% | +601 | New |
| STRS Ohio | 1,100 | $12.0K | 0.00% | +1,100 | New |
| American International Group, Inc. | 2,589 | $29.0K | 0.00% | +2,589 | New |
| Deutsche Bank AG | 2,720 | $30.0K | 0.00% | +2,720 | New |
| New York State Common Retirement Fund | 7,140 | $79.0K | 0.00% | +7,140 | New |
| Caas Capital Management LP | 10,000 | $111.0K | 0.01% | +10,000 | New |
| Ghisallo Capital Management LLC | 10,000 | $111.0K | 0.00% | +10,000 | New |
| Frontier Wealth Management LLC | 15,800 | $176.0K | 0.01% | +15,800 | New |
| Lesa Sroufe & Co | 16,506 | $183.0K | 0.19% | +16,506 | New |
| Squarepoint Ops LLC | 26,000 | $289.0K | 0.00% | +26,000 | New |
| State Street Corp | 30,600 | $340.0K | 0.00% | +30,600 | New |
| Norges Bank | 37,098 | $412.0K | 0.00% | +37,098 | New |
| Northern Trust Corp | 40,646 | $452.0K | 0.00% | +40,646 | New |
| Geode Capital Management, LLC | 51,969 | $577.0K | 0.00% | +51,969 | New |
| Citadel Advisors LLC | 56,963 | $633.0K | 0.00% | +56,963 | New |
| Tudor Investment Corp Et Al | 65,335 | $726.0K | 0.01% | +65,335 | New |
| Vanguard Group Inc | 113,056 | $1.25M | 0.00% | +113,056 | New |
| JPMorgan Chase & Co | 143,508 | $1.59M | 0.00% | +143,508 | New |
| BlackRock Inc. | 149,986 | $1.67M | 0.00% | +149,986 | New |
| Millennium Management LLC | 162,245 | $1.80M | 0.00% | +162,245 | New |
| Woodline Partners LP | 189,312 | $2.10M | 0.03% | +189,312 | New |
| Baker Bros. Advisors LP | 201,562 | $2.24M | 0.01% | +201,562 | New |
| AWM Investment Company, Inc. | 259,737 | $2.89M | 0.28% | +259,737 | New |
| Skye Global Management LP | 356,000 | $3.96M | 0.07% | +356,000 | New |
| Sanders Morris Harris LLC | 572,234 | $6.36M | 1.16% | +572,234 | New |
| Bill & Melinda Gates Foundation | 779,814 | $8.70M | 2.55% | +779,814 | New |
| Parian Global Management LP | 1,073,898 | $11.9M | 8.55% | +1,073,898 | New |
| Vivo Capital, LLC | 1,856,011 | $20.6M | 0.93% | +1,856,011 | New |
| Interwest Venture Management Co | 2,416,241 | $26.8M | 11.12% | +2,416,241 | New |