Who owns Seer, Inc.?
Institutional ownership of SEER from SEC Form 13F filings across 41 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.
41
13F holders
$10.9M
value, 2026 filers
15.6%
of shares outstanding (8.6M sh)
6
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 SEER's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ACADIAN ASSET MANAGEMENT LLC | 2.0M | $3,242 | 0.0% | 3.6% | -5.8% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | $3.0M | 0.0% | 3.3% | -53.3% |
| 3 | BlackRock, Inc. | 1.4M | $2.4M | 0.0% | 2.6% | -21.6% |
| 4 | CITADEL ADVISORS LLCNEW | 519,310 | $862,055 | 0.0% | 0.9% | new |
| 5 | TWO SIGMA INVESTMENTS, LP | 492,298 | $817,215 | 0.0% | 0.9% | -3.8% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 460,430 | $764,512 | 0.0% | 0.8% | +8.9% |
| 7 | GOLDMAN SACHS GROUP INC | 246,638 | $409,419 | 0.0% | 0.4% | +27.0% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 216,961 | $360,155 | 0.0% | 0.4% | +0.7% |
| 9 | EDGEWOOD MANAGEMENT LLC | 200,000 | $332,000 | 0.0% | 0.4% | +100.0% |
| 10 | MORGAN STANLEY | 145,434 | $241,421 | 0.0% | 0.3% | -9.6% |
| 11 | Advisory Services Network, LLC | 142,648 | $236,796 | 0.0% | 0.3% | +1326.5% |
| 12 | HSBC HOLDINGS PLC | 114,348 | $191,533 | 0.0% | 0.2% | 0.0% |
| 13 | Shay Capital LLC | 94,208 | $156,385 | 0.0% | 0.2% | -30.5% |
| 14 | NORTHERN TRUST CORP | 78,895 | $130,966 | 0.0% | 0.1% | -41.4% |
| 15 | AMERICAN CENTURY COMPANIES INC | 73,815 | $122,533 | 0.0% | 0.1% | 0.0% |
| 16 | Corient Private Wealth LP | 73,200 | $121,512 | 0.0% | 0.1% | +15.8% |
| 17 | ROYAL BANK OF CANADA | 71,560 | $119,000 | 0.0% | 0.1% | -0.1% |
| 18 | Marquette Asset Management, LLCNEW | 61,816 | $102,615 | 0.0% | 0.1% | new |
| 19 | JANE STREET GROUP, LLCNEW | 59,400 | $98,604 | 0.0% | 0.1% | new |
| 20 | BANK OF AMERICA CORP /DE/ | 56,993 | $94,608 | 0.0% | 0.1% | -0.1% |
| 21 | PRICE T ROWE ASSOCIATES INC /MD/ | 51,914 | $87 | 0.0% | 0.1% | +30.3% |
| 22 | PRELUDE CAPITAL MANAGEMENT, LLC | 33,887 | $56,252 | 0.0% | 0.1% | -23.1% |
| 23 | Pathstone Holdings, LLC | 26,510 | $44,007 | 0.0% | 0% | -6.0% |
| 24 | UBS Group AG | 26,139 | $43,391 | 0.0% | 0% | -46.0% |
| 25 | Invesco Ltd. | 23,835 | $39,566 | 0.0% | 0% | -9.9% |
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.