Who owns SERA PROGNOSTICS, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SERA from SEC Form 13F filings across 47 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 47 institutions disclosed 17.1M shares of SERA PROGNOSTICS, INC. worth $31.0M — about 33.8% of shares outstanding; the largest disclosed holder is BAKER BROS. ADVISORS LP. Source: SEC Form 13F filings, parsed by EvidInvest.
47
13F holders
$31.0M
value, 2026 filers
33.8%
of shares outstanding (17.1M sh)
1
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SERA's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BAKER BROS. ADVISORS LP | 5.5M | $10.0M | 0.1% | 10.9% | 0.0% |
| 2 | Whetstone Capital Advisors, LLC | 3.3M | $6.0M | 1.6% | 6.6% | 0.0% |
| 3 | Aberdeen Group plc | 2.8M | $5.0M | 0.0% | 5.5% | +7.9% |
| 4 | Vivo Capital, LLC | 1.7M | $3.0M | 0.3% | 3.3% | 0.0% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $2.4M | 0.0% | 2.6% | +7.8% |
| 6 | CAPTRUST FINANCIAL ADVISORS | 535,755 | $975,074 | 0.0% | 1.1% | -0.2% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 348,967 | $635,473 | 0.0% | 0.7% | -4.0% |
| 8 | BlackRock, Inc. | 221,369 | $402,891 | 0.0% | 0.4% | +12.9% |
| 9 | AWM Investment Company, Inc. | 207,382 | $377,435 | 0.0% | 0.4% | 0.0% |
| 10 | VANGUARD FIDUCIARY TRUST CO | 170,908 | $311,053 | 0.0% | 0.3% | +0.7% |
| 11 | STATE STREET CORP | 124,792 | $227,121 | 0.0% | 0.2% | 0.0% |
| 12 | MILLENNIUM MANAGEMENT LLC | 73,986 | $134,655 | 0.0% | 0.1% | -19.1% |
| 13 | Perigon Wealth Management, LLC | 72,685 | $132,287 | 0.0% | 0.1% | 0.0% |
| 14 | NORTHERN TRUST CORP | 68,595 | $124,843 | 0.0% | 0.1% | -28.9% |
| 15 | Bank of New York Mellon Corp | 60,927 | $110,887 | 0.0% | 0.1% | 0.0% |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 55,705 | $101,383 | 0.0% | 0.1% | +21.9% |
| 17 | Requisite Capital Management, LLC | 55,648 | $101,279 | 0.0% | 0.1% | 0.0% |
| 18 | MORGAN STANLEY | 50,972 | $92,769 | 0.0% | 0.1% | -51.5% |
| 19 | Qube Research & Technologies Ltd | 50,871 | $92,585 | 0.0% | 0.1% | +155.4% |
| 20 | Ballentine Partners, LLC | 49,664 | $90,388 | 0.0% | 0.1% | 0.0% |
| 21 | Twelve Points Wealth Management LLC | 43,388 | $78,966 | 0.0% | 0.1% | 0.0% |
| 22 | HighTower Advisors, LLC | 42,234 | $76,866 | 0.0% | 0.1% | 0.0% |
| 23 | CITADEL ADVISORS LLC | 41,411 | $75,368 | 0.0% | 0.1% | -83.4% |
| 24 | Catalyst Funds Management Pty Ltd | 38,890 | $70,780 | 0.0% | 0.1% | +65.0% |
| 25 | GOLDMAN SACHS GROUP INC | 32,541 | $59,225 | 0.0% | 0.1% | +76.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.