SERA PROGNOSTICS INC (SERA)
Institutional ownership reported to the SEC as of Q2 2026, across 20 quarters.
47
Reporting holders
$31.0M
Reported value
0.0%
Held as options
-7
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BAKER BROS. ADVISORS LP | $10.0M | 5,498,170 | 0.05% | 20q | HELD |
| Whetstone Capital Advisors, LLC | $6.0M | 3,306,889 | 1.58% | 5q | HELD |
| Aberdeen Group plc | $5.0M | 2,753,525 | 0.01% | 6q | +7.9%+$369.0K |
| Vivo Capital, LLC | $3.0M | 1,650,440 | 0.27% | 20q | HELD |
| VANGUARD CAPITAL MANAGEMENT LLC | $2.4M | 1,297,792 | 0.00% | 2q | +7.8%+$170.5K |
| CAPTRUST FINANCIAL ADVISORS | $975.1K | 535,755 | 0.00% | 16q | HELD |
| GEODE CAPITAL MANAGEMENT, LLC | $635.5K | 348,967 | 0.00% | 20q | -4.0%-$26.7K |
| BlackRock, Inc. | $402.9K | 221,369 | 0.00% | 8q | +12.9%+$46.0K |
| AWM Investment Company, Inc. | $377.4K | 207,382 | 0.03% | 11q | HELD |
| VANGUARD FIDUCIARY TRUST CO | $311.1K | 170,908 | 0.00% | 2q | +0.7%+$2.3K |
| STATE STREET CORP | $227.1K | 124,792 | 0.00% | 14q | HELD |
| MILLENNIUM MANAGEMENT LLC | $134.7K | 73,986 | 0.00% | 7q | -19.1%-$31.9K |
| Perigon Wealth Management, LLC | $132.3K | 72,685 | 0.00% | 11q | HELD |
| NORTHERN TRUST CORP | $124.8K | 68,595 | 0.00% | 16q | -28.9%-$50.9K |
| Bank of New York Mellon Corp | $110.9K | 60,927 | 0.00% | 14q | HELD |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | $101.4K | 55,705 | 0.00% | 14q | +21.9%+$18.2K |
| Requisite Capital Management, LLC | $101.3K | 55,648 | 0.02% | 14q | HELD |
| MORGAN STANLEY | $92.8K | 50,972 | 0.00% | 20q | -51.5%-$98.4K |
| Qube Research & Technologies Ltd | $92.6K | 50,871 | 0.00% | 5q | +155.4%+$56.3K |
| Ballentine Partners, LLC | $90.4K | 49,664 | 0.00% | 9q | HELD |
| Twelve Points Wealth Management LLC | $79.0K | 43,388 | 0.02% | 9q | HELD |
| HighTower Advisors, LLC | $76.9K | 42,234 | 0.00% | 10q | HELD |
| CITADEL ADVISORS LLC | $75.4K | 41,411 | 0.00% | 7q | -83.4%-$377.6K |
| Catalyst Funds Management Pty Ltd | $70.8K | 38,890 | 0.00% | 2q | +65.0%+$27.9K |
| GOLDMAN SACHS GROUP INC | $59.2K | 32,541 | 0.00% | 10q | +76.2%+$25.6K |
| DIMENSIONAL FUND ADVISORS LP | $53.7K | 29,499 | 0.00% | 14q | +51.0%+$18.1K |
| Birch Hill Investment Advisors LLC | $49.7K | 27,293 | 0.00% | 4q | HELD |
| Cetera Investment Advisers | $45.5K | 25,000 | 0.00% | 3q | HELD |
| XTX Topco Ltd | $30.6K | 16,808 | 0.00% | 2q | +1.9% |
| TWO SIGMA INVESTMENTS, LP | $29.5K | 16,221 | 0.00% | 4q | -26.1%-$10.5K |
| Riverview Capital Advisers, LLC | $23.1K | 12,669 | 0.01% | 5q | HELD |
| Wagner Wealth Management, LLC | $22.6K | 12,400 | 0.00% | 5q | HELD |
| Focus Partners Wealth | $22.1K | 12,156 | 0.00% | 7q | HELD |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $20.7K | 10,504 | 0.00% | 3q | -0.5% |
| UBS Group AG | $20.6K | 11,309 | 0.00% | 14q | -23.9%-$6.5K |
| Vanguard Global Advisers, LLC | $20.3K | 11,169 | 0.00% | 2q | HELD |
| Geneos Wealth Management Inc. | $19.7K | 10,800 | 0.00% | 4q | HELD |
| BARCLAYS PLC | $5.8K | 3,179 | 0.00% | 9q | -90.1%-$52.4K |
| FMR LLC | $4.6K | 2,539 | 0.00% | 8q | -61.4%-$7.3K |
| Global Retirement Partners, LLC | $1.8K | 1,000 | 0.00% | new | NEW |
| JPMORGAN CHASE & CO | $402 | 222 | 0.00% | 20q | HELD |
| BNP PARIBAS FINANCIAL MARKETS | $339 | 186 | 0.00% | 7q | -21.2% |
| NISA INVESTMENT ADVISORS, LLC | $235 | 129 | 0.00% | 8q | HELD |
| SBI Securities Co., Ltd. | $7 | 4 | 0.00% | 7q | -42.9% |
| Caitong International Asset Management Co., Ltd | $7 | 4 | 0.00% | 2q | HELD |
| MERCER GLOBAL ADVISORS INC /ADV | $5 | 3 | 0.00% | new | NEW |
| ROYAL BANK OF CANADA | $0 | 45 | 0.00% | new | NEW |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-07-15 | 13G/A | Aberdeen Group plcwith 1 co-filers | 7.2% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 47 | $31.0M | 17,056,645 | 3 | 10 | 12 | 0.0% |
| Q1 2026 | 54 | $40.3M | 19,839,865 | 8 | 5 | 14 | 0.1% |
| Q4 2025 | 54 | $52.0M | 17,632,239 | 5 | 14 | 12 | 0.0% |
| Q3 2025 | 60 | $55.4M | 18,090,298 | 11 | 14 | 10 | 0.0% |
| Q2 2025 | 56 | $51.3M | 18,508,418 | 14 | 10 | 23 | 0.1% |
| Q1 2025 | 66 | $74.3M | 20,190,531 | 7 | 20 | 18 | 0.0% |
| Q4 2024 | 67 | $147.2M | 18,029,227 | 13 | 24 | 10 | 0.4% |
| Q3 2024 | 56 | $147.7M | 18,821,397 | 11 | 16 | 12 | 0.6% |
| Q2 2024 | 60 | $97.4M | 16,419,222 | 21 | 18 | 14 | 0.2% |
| Q1 2024 | 47 | $131.8M | 14,487,909 | 14 | 18 | 7 | 0.0% |
| Q4 2023 | 44 | $65.7M | 10,858,457 | 22 | 12 | 7 | 0.0% |
| Q3 2023 | 26 | $16.4M | 8,792,567 | 1 | 7 | 4 | 0.0% |
| Q2 2023 | 32 | $31.1M | 9,446,281 | 3 | 4 | 7 | 0.0% |
| Q1 2023 | 33 | $36.2M | 9,448,630 | 15 | 8 | 2 | 0.0% |
| Q4 2022 | 21 | $6.2M | 4,933,632 | 6 | 1 | 6 | 0.0% |
| Q3 2022 | 32 | $13.9M | 8,697,357 | 8 | 10 | 5 | 0.0% |
| Q2 2022 | 28 | $14.2M | 8,656,032 | 6 | 8 | 7 | 0.0% |
| Q1 2022 | 43 | $36.6M | 9,663,960 | 7 | 16 | 8 | 0.0% |
| Q4 2021 | 36 | $63.8M | 9,279,515 | 4 | 12 | 8 | 0.0% |
| Q3 2021 | 35 | $96.1M | 8,651,053 | 35 | 0 | 0 | 0.0% |