Who owns Seer, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SEER from SEC Form 13F filings across 59 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, 59 institutions disclosed 20.5M shares of Seer, Inc. worth $34.0M — about 37.2% of shares outstanding; the largest disclosed holder is SOFTBANK GROUP CORP.. Source: SEC Form 13F filings, parsed by EvidInvest.
59
13F holders
$34.0M
value, 2026 filers
37.2%
of shares outstanding (20.5M sh)
9
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 | SOFTBANK GROUP CORP. | 5.1M | $8.5M | 0.0% | 9.3% | 0.0% |
| 2 | Siren, L.L.C. | 2.5M | $4.1M | 0.1% | 4.5% | 0.0% |
| 3 | ACADIAN ASSET MANAGEMENT LLC | 2.0M | $3.2M | 0.0% | 3.5% | -5.8% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | $3.0M | 0.0% | 3.3% | -6.5% |
| 5 | BlackRock, Inc. | 1.4M | $2.4M | 0.0% | 2.6% | -21.6% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 985,500 | $1.6M | 0.0% | 1.8% | +0.9% |
| 7 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | 825,000 | $1.4M | 1.1% | 1.5% | 0.0% |
| 8 | CITADEL ADVISORS LLCNEW | 519,310 | $862,055 | 0.0% | 0.9% | new |
| 9 | TWO SIGMA INVESTMENTS, LP | 492,298 | $817,215 | 0.0% | 0.9% | -3.8% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 460,430 | $764,512 | 0.0% | 0.8% | +8.9% |
| 11 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 459,443 | $762,675 | 0.0% | 0.8% | 0.0% |
| 12 | Peapod Lane Capital LLC | 445,450 | $739,447 | 0.5% | 0.8% | +1.6% |
| 13 | 1888 Investments, LLC | 359,143 | $596,177 | 1.1% | 0.7% | 0.0% |
| 14 | GOLDMAN SACHS GROUP INC | 246,638 | $409,419 | 0.0% | 0.4% | +27.0% |
| 15 | JACOBS LEVY EQUITY MANAGEMENT, INC | 222,332 | $369,071 | 0.0% | 0.4% | +55.2% |
| 16 | Rangeley Capital, LLC | 222,000 | $368,520 | 0.3% | 0.4% | +20.5% |
| 17 | VANGUARD FIDUCIARY TRUST CO | 216,961 | $360,155 | 0.0% | 0.4% | +0.7% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 212,625 | $352,957 | 0.0% | 0.4% | -4.2% |
| 19 | EDGEWOOD MANAGEMENT LLC | 200,000 | $332,000 | 0.0% | 0.4% | +100.0% |
| 20 | GSA CAPITAL PARTNERS LLP | 184,524 | $306,000 | 0.0% | 0.3% | -5.1% |
| 21 | STATE STREET CORP | 159,950 | $265,517 | 0.0% | 0.3% | 0.0% |
| 22 | MORGAN STANLEY | 145,434 | $241,421 | 0.0% | 0.3% | -9.6% |
| 23 | Advisory Services Network, LLC | 142,648 | $236,796 | 0.0% | 0.3% | +1326.5% |
| 24 | Voss Capital, LPNEW | 137,291 | $227,903 | 0.0% | 0.2% | new |
| 25 | HSBC HOLDINGS PLC | 114,348 | $191,533 | 0.0% | 0.2% | 0.0% |
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.