Security key
81578P106
- Security type / class
- Equity / Class A Common Stock
- Total 13F shares
- 21,338,899
- Total 13F value
- $36,023,479
- Share change
- -3,093,323
- SEC-reported price per share
- $1.68
- Number of holders
- 58
- Value change
- -$5,331,002
- Number of buys
- 17
- Number of sells
- 34
- Shares outstanding
- 57,656,100
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
58
Top holders
10
SEER full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
Seer, Inc. SEC filings
Seer, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 81578P106
Recent filing periods:
Ownership snapshot
Top reported holders of SEER - Seer, Inc. - Class A Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Omid Farokhzad
Disclosed value leader
Omid Farokhzad
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 12%
13D/G row: Omid Farokhzad
Showing 1-6 of 15 holder rows.
Quick read
Omid Farokhzad leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Omid Farokhzad's linked filing trail.
Comparable ownership
Top 5
Omid Farokhzad
12%
Schindel Yair Chaim
8.4%
Invus Global Management, LLC
4.4%
SOFTBANK GROUP CORP.
8.9%
Siren, L.L.C.
6.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Omid Farokhzad |
13D/G
3/4/5
CEO AND CHAIR, Director
|
12%
|
$11,692,657
6,918,732 shares
|
+$3,878,006 | 31 Mar 2026 |
| Schindel Yair Chaim |
13D/G
|
8.4%
|
$8,320,201
4,923,196 shares
|
$0 | 31 Dec 2024 |
| Invus Global Management, LLC |
13D/G
Invus Public Equities, L.P.
|
4.4%
|
$4,155,157
2,458,673 shares
|
$0 | 31 Mar 2026 |
| SOFTBANK GROUP CORP. |
13F
Company
|
8.9%
|
$9,397,751
5,135,383 shares
|
— | 31 Dec 2025 |
| Siren, L.L.C. |
13F
Individual
|
6.9%
|
$7,320,000
4,000,000 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.8%
|
$4,002,966
2,187,413 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
58
Shares
21,338,899
Rows available
58
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
63
Q1 2026 holders
58
Holder diff
-5
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend