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 2021
Institutional positions in Sera Prognostics, Inc. as of Dec 31, 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
- 37
- +1 vs. Q3 2021
- Shares held
- 9.28M
- +628.5K (+7.3%) vs. Q3 2021
- Total value
- $63.8M
- −$32.4M (−33.6%) vs. Q3 2021
- New holders
- 5
- 14 more added
- Sold out
- 4
- 8 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Sera Prognostics, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Interwest Venture Management Co | 2,416,241 | $16.6M | 9.81% | 00.0% | Unchanged |
| Vivo Capital, LLC | 1,856,011 | $12.8M | 0.77% | 00.0% | Unchanged |
| Bill & Melinda Gates Foundation | 779,814 | $5.40M | 1.64% | 00.0% | Unchanged |
| OUP Management Co., LLC | 641,361 | $4.41M | 1.99% | +641,361 | New |
| Sanders Morris Harris LLC | 574,280 | $3.94M | 0.68% | +2,046+0.4% | Added |
| Fosun International Ltd | 554,148 | $3.81M | 0.22% | +554,148 | New |
| JPMorgan Chase & Co | 417,325 | $2.87M | 0.00% | +273,817+190.8% | Added |
| Skye Global Management LP | 376,000 | $2.58M | 0.04% | +20,000+5.6% | Added |
| Parian Global Management LP | 342,868 | $2.36M | 2.13% | −731,030−68.1% | Reduced |
| AWM Investment Company, Inc. | 248,087 | $1.70M | 0.17% | −11,650−4.5% | Reduced |
| Baker Bros. Advisors LP | 201,562 | $1.39M | 0.01% | 00.0% | Unchanged |
| BlackRock Inc. | 177,422 | $1.22M | 0.00% | +27,436+18.3% | Added |
| Vanguard Group Inc | 175,803 | $1.21M | 0.00% | +62,747+55.5% | Added |
| Woodline Partners LP | 128,144 | $880.0K | 0.01% | −61,168−32.3% | Reduced |
| Millennium Management LLC | 95,748 | $658.0K | 0.00% | −66,497−41.0% | Reduced |
| Geode Capital Management, LLC | 61,231 | $420.0K | 0.00% | +9,262+17.8% | Added |
| State Street Corp | 40,801 | $280.0K | 0.00% | +10,201+33.3% | Added |
| Norges Bank | 37,098 | $255.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 36,564 | $251.0K | 0.00% | −4,082−10.0% | Reduced |
| Tudor Investment Corp Et Al | 34,915 | $240.0K | 0.00% | −30,420−46.6% | Reduced |
| Citadel Advisors LLC | 21,872 | $151.0K | 0.00% | −35,091−61.6% | Reduced |
| Lesa Sroufe & Co | 16,506 | $113.0K | 0.11% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 11,659 | $80.0K | 0.00% | +11,659 | New |
| New York State Common Retirement Fund | 7,140 | $49.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 6,300 | $44.0K | 0.00% | +6,045+2,370.6% | Added |
| Bank of America Corp | 3,597 | $25.0K | 0.00% | +3,183+768.8% | Added |
| Deutsche Bank AG | 2,870 | $20.0K | 0.00% | +150+5.5% | Added |
| UBS Group AG | 2,837 | $19.0K | 0.00% | +2,837 | New |
| California State Teachers Retirement System | 2,561 | $18.0K | 0.00% | +2,561 | New |
| American International Group, Inc. | 2,414 | $17.0K | 0.00% | −175−6.8% | Reduced |
| Citigroup Inc | 1,985 | $14.0K | 0.00% | +1,442+265.6% | Added |
| Tower Research Capital LLC (TRC) | 1,358 | $9.00K | 0.00% | +920+210.0% | Added |
| Royal Bank of Canada | 1,171 | $8.00K | 0.00% | +570+94.8% | Added |
| STRS Ohio | 1,100 | $7.00K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 370 | $3.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 365 | $3.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 39 | $0 | 0.00% | +12+44.4% | Added |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| Frontier Wealth Management LLC | 0 | $0 | 0.00% | −15,800−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |