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 2023
Institutional positions in Sera Prognostics, Inc. as of Dec 31, 2023. 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
- 47
- +20 vs. Q3 2023
- Shares held
- 11.0M
- +4.59M (+71.2%) vs. Q3 2023
- Total value
- $66.8M
- +$54.8M (+456.9%) vs. Q3 2023
- New holders
- 23
- 13 more added
- Sold out
- 3
- 7 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Sera Prognostics, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 5,434,399 | $32.5M | 0.37% | +3,919,057+258.6% | Added |
| Vivo Capital, LLC | 1,650,440 | $9.87M | 0.81% | −205,571−11.1% | Reduced |
| Vanguard Group Inc | 909,502 | $5.44M | 0.00% | +122,710+15.6% | Added |
| Captrust Financial Advisors | 399,583 | $2.39M | 0.01% | −23,216−5.5% | Reduced |
| AWM Investment Company, Inc. | 374,902 | $2.24M | 0.29% | +374,902 | New |
| Ensign Peak Advisors, Inc | 255,980 | $1.53M | 0.00% | +237,872+1,313.6% | Added |
| Acuitas Investments, LLC | 121,258 | $1.49M | 0.78% | −51,937−30.0% | Reduced |
| Geode Capital Management, LLC | 202,595 | $1.21M | 0.00% | +24,305+13.6% | Added |
| Price T Rowe Associates Inc | 151,933 | $909.0K | 0.00% | +151,933 | New |
| BlackRock Inc. | 87,958 | $526.0K | 0.00% | +30,329+52.6% | Added |
| Bank of New York Mellon Corp | 86,655 | $518.2K | 0.00% | +73,658+566.7% | Added |
| Bridgeway Capital Management, LLC | 86,105 | $514.9K | 0.01% | −10,000−10.4% | Reduced |
| EAM Investors, LLC | 85,597 | $511.9K | 0.09% | +85,597 | New |
| Perigon Wealth Management, LLC | 85,185 | $509.4K | 0.02% | +85,185 | New |
| Commonwealth Equity Services, LLC | 70,588 | $422.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 69,349 | $414.7K | 0.00% | +69,349 | New |
| Lexington Partners L.P. | 65,415 | $391.2K | 0.26% | +65,415 | New |
| State Street Corp | 64,992 | $388.7K | 0.00% | +14,800+29.5% | Added |
| 683 Capital Management, LLC | 56,169 | $335.9K | 0.03% | +56,169 | New |
| JPMorgan Chase & Co | 55,789 | $333.6K | 0.00% | +54,830+5,717.4% | Added |
| Requisite Capital Management, LLC | 55,648 | $332.8K | 0.08% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 54,931 | $328.5K | 0.00% | +54,927+1,373,175.0% | Added |
| Omers Administration Corp | 53,900 | $322.3K | 0.00% | +53,900 | New |
| Railway Pension Investments Ltd | 47,574 | $284.5K | 0.00% | +47,574 | New |
| Vanderbilt University | 47,574 | $284.5K | 0.07% | +47,574 | New |
| Resource Consulting Group Inc | 44,234 | $264.5K | 0.05% | +44,234 | New |
| CWM, LLC | 40,524 | $242.0K | 0.00% | +40,524 | New |
| Man Group plc | 39,942 | $238.9K | 0.00% | +39,942 | New |
| Northern Trust Corp | 32,842 | $196.4K | 0.00% | +5,651+20.8% | Added |
| Mission Creek Capital Partners, Inc. | 32,574 | $194.8K | 0.05% | +32,574 | New |
| Marquette Asset Management, LLC | 32,139 | $192.2K | 0.04% | −3,548−9.9% | Reduced |
| CI Private Wealth, LLC | 30,000 | $179.4K | 0.00% | +30,000 | New |
| Susquehanna International Group, LLP | 29,913 | $178.9K | 0.00% | +29,913 | New |
| Morgan Stanley | 26,787 | $160.2K | 0.00% | +22,768+566.5% | Added |
| HighVista Strategies LLC | 20,480 | $122.5K | 0.04% | +20,480 | New |
| MAI Capital Management | 16,737 | $100.1K | 0.00% | −252−1.5% | Reduced |
| UBS Group AG | 16,242 | $97.1K | 0.00% | −4,758−22.7% | Reduced |
| Dimensional Fund Advisors LP | 14,979 | $89.6K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 14,717 | $88.0K | 0.00% | +14,717 | New |
| Sterling Investment Advisors, Ltd. | 13,489 | $80.7K | 0.03% | +13,489 | New |
| Y-Intercept (Hong Kong) Ltd | 13,191 | $78.9K | 0.01% | +13,191 | New |
| Bank of America Corp | 12,338 | $73.8K | 0.00% | +12,338 | New |
| Charles Schwab Investment Management Inc | 12,000 | $71.8K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 11,290 | $67.5K | 0.00% | +11,290 | New |
| StepStone Group LP | 10,241 | $61.2K | 0.01% | +10,241 | New |
| Royal Bank of Canada | 99 | $1.00K | 0.00% | +16+19.3% | Added |
| Wells Fargo & Company | 147 | $879 | 0.00% | +10+7.3% | Added |
| Fosun International Ltd | 0 | $0 | 0.00% | −554,148−100.0% | Sold out |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −445,105−100.0% | Sold out |
| Prime Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −21,000−100.0% | Sold out |
| Interwest Venture Management Co | – | – | – | – | Not filed |