SEER: Seer, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-11-02 | New 13D stake | BML Investment Partners, L.P. | 4.70% | SEC |
Institutional ownership (Q2 2026)
59 institutions reported holding $30.37M of Seer, Inc. on Form 13F (58 the quarter before). 9 opened a new position and 8 sold out. Shares held by institutions: -4%.
| Largest holders | Shares | Value |
|---|---|---|
| SOFTBANK GROUP CORP. | 5,135,383 | $8.52M |
| Siren, L.L.C. | 2,458,673 | $4.08M |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,831,058 | $3.04M |
| BlackRock, Inc. | 1,428,405 | $2.37M |
| RENAISSANCE TECHNOLOGIES LLC | 985,500 | $1.64M |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 825,000 | $1.37M |
| CITADEL ADVISORS LLC | 519,310 | $862K |
| TWO SIGMA INVESTMENTS, LP | 492,298 | $817K |
| GEODE CAPITAL MANAGEMENT, LLC | 460,430 | $765K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 459,443 | $763K |
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