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, Q2 2025
Institutional positions in Sera Prognostics, Inc. as of Jun 30, 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
- 59
- −11 vs. Q1 2025
- Shares held
- 18.6M
- −1.59M (−7.9%) vs. Q1 2025
- Total value
- $51.5M
- −$22.8M (−30.7%) vs. Q1 2025
- New holders
- 13
- 14 more added
- Sold out
- 24
- 26 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Sera Prognostics, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 5,498,170 | $15.2M | 0.15% | 00.0% | Unchanged |
| Whetstone Capital Advisors, LLC | 3,632,371 | $10.1M | 2.84% | +3,632,371 | New |
| Standard Life Aberdeen plc | 2,227,367 | $6.17M | 0.01% | +987,367+79.6% | Added |
| Vivo Capital, LLC | 1,650,440 | $4.57M | 0.47% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,163,182 | $3.22M | 0.00% | −112,180−8.8% | Reduced |
| AWM Investment Company, Inc. | 680,931 | $1.89M | 0.21% | −185,906−21.4% | Reduced |
| Citadel Advisors LLC | 629,007 | $1.74M | 0.00% | +1,600+0.3% | Added |
| Captrust Financial Advisors | 602,277 | $1.67M | 0.00% | +100,366+20.0% | Added |
| Geode Capital Management, LLC | 302,410 | $837.9K | 0.00% | −331,842−52.3% | Reduced |
| Sanders Morris Harris LLC | 263,600 | $730.2K | 0.17% | +169,400+179.8% | Added |
| Millennium Management LLC | 184,564 | $511.2K | 0.00% | +163,014+756.4% | Added |
| BlackRock, Inc. | 145,279 | $402.4K | 0.00% | −1,392,780−90.6% | Reduced |
| Perkins Capital Management Inc | 131,000 | $362.9K | 0.36% | −19,000−12.7% | Reduced |
| State Street Corp | 121,592 | $336.8K | 0.00% | −350,701−74.3% | Reduced |
| CI Private Wealth, LLC | 100,000 | $277.0K | 0.00% | +42,500+73.9% | Added |
| Northern Trust Corp | 91,635 | $253.8K | 0.00% | −173,307−65.4% | Reduced |
| Morgan Stanley | 91,382 | $253.1K | 0.00% | +9,055+11.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 99,155 | $246.9K | 0.00% | +391+0.4% | Added |
| Squarepoint Ops LLC | 85,420 | $236.6K | 0.00% | +52,701+161.1% | Added |
| Cliftonlarsonallen Wealth Advisors, LLC | 78,855 | $218.4K | 0.00% | +78,855 | New |
| Bank of New York Mellon Corp | 76,757 | $212.6K | 0.00% | −58,825−43.4% | Reduced |
| Perigon Wealth Management, LLC | 72,685 | $201.3K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 67,692 | $187.5K | 0.00% | +67,692 | New |
| Gsa Capital Partners LLP | 62,534 | $173.0K | 0.01% | +35,079+127.8% | Added |
| Requisite Capital Management, LLC | 55,648 | $154.1K | 0.03% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 49,664 | $137.6K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 45,914 | $127.2K | 0.00% | −17,113−27.2% | Reduced |
| Bridgeway Capital Management, LLC | 45,705 | $126.6K | 0.00% | −45,000−49.6% | Reduced |
| Twelve Points Wealth Management LLC | 43,388 | $120.2K | 0.03% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 42,984 | $119.1K | 0.00% | −86−0.2% | Reduced |
| Acadian Asset Management LLC | 37,384 | $102.0K | 0.00% | +37,384 | New |
| Qube Research & Technologies Ltd | 33,382 | $92.5K | 0.00% | +33,382 | New |
| Susquehanna International Group, LLP | 24,446 | $67.7K | 0.00% | −13,253−35.2% | Reduced |
| Dimensional Fund Advisors LP | 22,424 | $66.9K | 0.00% | −14,005−38.4% | Reduced |
| FMR LLC | 14,845 | $41.1K | 0.00% | +9,547+180.2% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 13,804 | $38.2K | 0.01% | +13,804 | New |
| Pallas Capital Advisors LLC | 13,711 | $38.0K | 0.00% | −146−1.1% | Reduced |
| Riverview Capital Advisers, LLC | 12,733 | $35.3K | 0.01% | +12,733 | New |
| Wagner Wealth Management, LLC | 12,400 | $34.3K | 0.01% | +12,400 | New |
| Colony Group, LLC | 12,156 | $33.7K | 0.00% | −11−0.1% | Reduced |
| Charles Schwab Investment Management Inc | 12,092 | $33.5K | 0.00% | −69,138−85.1% | Reduced |
| Abel Hall, LLC | 11,037 | $30.6K | 0.01% | +11,037 | New |
| Tower Research Capital LLC (TRC) | 10,439 | $28.9K | 0.00% | +6,530+167.1% | Added |
| Equitable Holdings, Inc. | 10,000 | $27.7K | 0.00% | −22,293−69.0% | Reduced |
| Dauntless Investment Group, LLC | 10,000 | $27.7K | 0.13% | +10,000 | New |
| Deutsche Bank AG | 8,729 | $24.2K | 0.00% | −25,298−74.3% | Reduced |
| Bank of America Corp | 3,867 | $10.7K | 0.00% | −14,508−79.0% | Reduced |
| CWM, LLC | 1,111 | $3.00K | 0.00% | +43+4.0% | Added |
| UBS Group AG | 1,025 | $2.84K | 0.00% | −85,759−98.8% | Reduced |
| Raymond James Financial Inc | 1,005 | $2.78K | 0.00% | +1,005 | New |
| BNP Paribas Arbitrage, SA | 584 | $1.62K | 0.00% | −1,033−63.9% | Reduced |
| Point72 (DIFC) Ltd | 204 | $566 | 0.00% | +204 | New |
| Rise Advisors, LLC | 172 | $476 | 0.00% | +172 | New |
| JPMorgan Chase & Co | 146 | $404 | 0.00% | −719,078−100.0% | Reduced |
| Nisa Investment Advisors, LLC | 129 | $357 | 0.00% | −182−58.5% | Reduced |
| SBI Securities Co., Ltd. | 7 | $19 | 0.00% | +3+75.0% | Added |
| Citigroup Inc | 5 | $14 | 0.00% | −20,337−100.0% | Reduced |
| Barclays PLC | 2 | $6 | 0.00% | −31,078−100.0% | Reduced |
| Royal Bank of Canada | 36 | $0 | 0.00% | −357−90.8% | Reduced |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −3,032,808−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −39,970−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −37,417−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −20,167−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −16,737−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −16,532−100.0% | Sold out |
| TownSquare Capital, LLC | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −14,004−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −13,658−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −13,124−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −11,333−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,799−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −10,496−100.0% | Sold out |
| Police & Firemen's Retirement System of New Jersey | 0 | $0 | 0.00% | −5,549−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −4,900−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −2,947−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −2,704−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −2,122−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −1,143−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −955−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| CAPROCK Group, Inc. | – | – | – | – | Not filed |