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 2025
Institutional positions in Sera Prognostics, Inc. as of Dec 31, 2025. 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
- 57
- −2 vs. Q3 2025
- Shares held
- 17.6M
- −503.1K (−2.8%) vs. Q3 2025
- Total value
- $52.1M
- −$3.46M (−6.2%) vs. Q3 2025
- New holders
- 6
- 14 more added
- Sold out
- 8
- 14 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Sera Prognostics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 5,498,170 | $16.2M | 0.09% | 00.0% | Unchanged |
| Whetstone Capital Advisors, LLC | 3,459,713 | $10.2M | 3.18% | −172,658−4.8% | Reduced |
| Standard Life Aberdeen plc | 2,279,699 | $6.73M | 0.01% | 00.0% | Unchanged |
| Vivo Capital, LLC | 1,650,440 | $4.87M | 0.31% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,239,449 | $3.66M | 0.00% | +22,259+1.8% | Added |
| Citadel Advisors LLC | 707,614 | $2.09M | 0.00% | +53,868+8.2% | Added |
| Captrust Financial Advisors | 536,766 | $1.58M | 0.00% | −65,570−10.9% | Reduced |
| Geode Capital Management, LLC | 334,639 | $987.5K | 0.00% | +3,524+1.1% | Added |
| AWM Investment Company, Inc. | 207,382 | $611.8K | 0.06% | 00.0% | Unchanged |
| BlackRock, Inc. | 186,751 | $550.9K | 0.00% | +7,774+4.3% | Added |
| State Street Corp | 124,792 | $368.1K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 113,178 | $333.9K | 0.00% | −14,109−11.1% | Reduced |
| Gsa Capital Partners LLP | 107,235 | $316.0K | 0.03% | +42,045+64.5% | Added |
| CI Private Wealth, LLC | 100,000 | $290.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 96,535 | $284.8K | 0.00% | +8,052+9.1% | Added |
| Morgan Stanley | 80,968 | $238.9K | 0.00% | −3,046−3.6% | Reduced |
| Bank of New York Mellon Corp | 75,267 | $222.0K | 0.00% | 00.0% | Unchanged |
| Perigon Wealth Management, LLC | 72,685 | $214.4K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 71,532 | $211.0K | 0.00% | +49,160+219.7% | Added |
| Jane Street Group, LLC | 68,826 | $203.0K | 0.00% | +68,826 | New |
| Requisite Capital Management, LLC | 55,648 | $164.2K | 0.03% | 00.0% | Unchanged |
| Twelve Points Wealth Management LLC | 43,388 | $160.1K | 0.04% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 49,664 | $146.5K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 45,705 | $134.8K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 42,234 | $124.6K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 36,722 | $108.3K | 0.00% | +26,726+267.4% | Added |
| Squarepoint Ops LLC | 36,322 | $107.2K | 0.00% | −56,741−61.0% | Reduced |
| Qube Research & Technologies Ltd | 28,982 | $85.5K | 0.00% | +4,899+20.3% | Added |
| Goldman Sachs Group Inc | 28,599 | $84.4K | 0.00% | −26,240−47.8% | Reduced |
| Birch Hill Investment Advisors LLC | 27,293 | $80.5K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 25,195 | $74.3K | 0.00% | +672+2.7% | Added |
| Cetera Investment Advisers | 25,000 | $73.8K | 0.00% | +25,000 | New |
| Dimensional Fund Advisors LP | 22,934 | $67.5K | 0.00% | +510+2.3% | Added |
| Two Sigma Investments, LP | 21,964 | $64.8K | 0.00% | −9,772−30.8% | Reduced |
| Lido Advisors, LLC | 16,623 | $50.3K | 0.00% | −5,541−25.0% | Reduced |
| FMR LLC | 14,845 | $43.8K | 0.00% | 00.0% | Unchanged |
| Wagner Wealth Management, LLC | 12,686 | $37.4K | 0.01% | +286+2.3% | Added |
| Riverview Capital Advisers, LLC | 12,669 | $37.4K | 0.01% | −64−0.5% | Reduced |
| Colony Group, LLC | 12,156 | $35.9K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 12,085 | $35.7K | 0.00% | −7−0.1% | Reduced |
| Point72 Asset Management, L.P. | 11,403 | $33.6K | 0.00% | +11,403 | New |
| Abel Hall, LLC | 11,037 | $32.6K | 0.01% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 10,639 | $31.5K | 0.00% | +10,639 | New |
| Deutsche Bank AG | 8,729 | $25.8K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 7,800 | $23.0K | 0.00% | +3,300+73.3% | Added |
| Bank of America Corp | 4,670 | $13.8K | 0.00% | −774−14.2% | Reduced |
| CWM, LLC | 1,006 | $3.00K | 0.00% | −1−0.1% | Reduced |
| Tower Research Capital LLC (TRC) | 945 | $2.79K | 0.00% | +945 | New |
| Optiver Holding B.V. | 412 | $1.22K | 0.00% | 00.0% | Unchanged |
| Torren Management, LLC | 389 | $1.15K | 0.00% | +389 | New |
| Fortitude Family Office, LLC | 301 | $888 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 236 | $696 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 222 | $655 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 200 | $590 | 0.00% | +195+3,900.0% | Added |
| Nisa Investment Advisors, LLC | 129 | $381 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 7 | $21 | 0.00% | −1−12.5% | Reduced |
| Royal Bank of Canada | 40 | $0 | 0.00% | −2,173−98.2% | Reduced |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −263,600−100.0% | Sold out |
| Balentine LLC | 0 | $0 | 0.00% | −84,475−100.0% | Sold out |
| Cliftonlarsonallen Wealth Advisors, LLC | 0 | $0 | 0.00% | −78,855−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −33,523−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −13,711−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −12,561−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −151−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |