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