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 |
|---|---|---|---|---|---|
| Interwest Venture Management Co | 2,416,241 | $26.8M | 11.12% | +2,416,241 | New |
| Vivo Capital, LLC | 1,856,011 | $20.6M | 0.93% | +1,856,011 | New |
| Parian Global Management LP | 1,073,898 | $11.9M | 8.55% | +1,073,898 | New |
| Bill & Melinda Gates Foundation | 779,814 | $8.70M | 2.55% | +779,814 | New |
| Sanders Morris Harris LLC | 572,234 | $6.36M | 1.16% | +572,234 | New |
| Skye Global Management LP | 356,000 | $3.96M | 0.07% | +356,000 | New |
| AWM Investment Company, Inc. | 259,737 | $2.89M | 0.28% | +259,737 | New |
| Baker Bros. Advisors LP | 201,562 | $2.24M | 0.01% | +201,562 | New |
| Woodline Partners LP | 189,312 | $2.10M | 0.03% | +189,312 | New |
| Millennium Management LLC | 162,245 | $1.80M | 0.00% | +162,245 | New |
| BlackRock Inc. | 149,986 | $1.67M | 0.00% | +149,986 | New |
| JPMorgan Chase & Co | 143,508 | $1.59M | 0.00% | +143,508 | New |
| Vanguard Group Inc | 113,056 | $1.25M | 0.00% | +113,056 | New |
| Tudor Investment Corp Et Al | 65,335 | $726.0K | 0.01% | +65,335 | New |
| Citadel Advisors LLC | 56,963 | $633.0K | 0.00% | +56,963 | New |
| Geode Capital Management, LLC | 51,969 | $577.0K | 0.00% | +51,969 | New |
| Northern Trust Corp | 40,646 | $452.0K | 0.00% | +40,646 | New |
| Norges Bank | 37,098 | $412.0K | 0.00% | +37,098 | New |
| State Street Corp | 30,600 | $340.0K | 0.00% | +30,600 | New |
| Squarepoint Ops LLC | 26,000 | $289.0K | 0.00% | +26,000 | New |
| Lesa Sroufe & Co | 16,506 | $183.0K | 0.19% | +16,506 | New |
| Frontier Wealth Management LLC | 15,800 | $176.0K | 0.01% | +15,800 | 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 |
| New York State Common Retirement Fund | 7,140 | $79.0K | 0.00% | +7,140 | New |
| Deutsche Bank AG | 2,720 | $30.0K | 0.00% | +2,720 | New |
| American International Group, Inc. | 2,589 | $29.0K | 0.00% | +2,589 | New |
| STRS Ohio | 1,100 | $12.0K | 0.00% | +1,100 | New |
| Citigroup Inc | 543 | $6.00K | 0.00% | +543 | New |
| Royal Bank of Canada | 601 | $6.00K | 0.00% | +601 | New |
| Tower Research Capital LLC (TRC) | 438 | $5.00K | 0.00% | +438 | 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 |
| Morgan Stanley | 255 | $3.00K | 0.00% | +255 | New |
| Wells Fargo & Company | 27 | $0 | 0.00% | +27 | New |