Security key
81578P106
- Security type / class
- Equity / Class A Common Stock
- Total 13F shares
- 37,748,839
- Total 13F value
- $71,722,653
- Share change
- +369,717
- Put/Call ratio
- 0%
- SEC-reported price per share
- $1.90
- Number of holders
- 85
- Value change
- +$671,382
- Number of buys
- 40
- Number of sells
- 41
- Shares outstanding
- 57,656,100
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2024
Institutions
85
Top holders
10
SEER full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2023
13F
Lead comparable stake: 10%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 10%.
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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
10%
SOFTBANK GROUP CORP.
8.9%
Artal Group S.A.
8.2%
FMR LLC
7.5%
VANGUARD GROUP INC
4.5%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
10%
|
$11,234,623
5,791,042 shares
|
— | 31 Dec 2023 |
| SOFTBANK GROUP CORP. |
13F
Company
|
8.9%
|
$9,962,643
5,135,383 shares
|
— | 31 Dec 2023 |
| Artal Group S.A. |
13F
Company
|
8.2%
|
$9,215,000
4,750,000 shares
|
— | 31 Dec 2023 |
| FMR LLC |
13F
Company
|
7.5%
|
$8,355,973
4,307,203 shares
|
— | 31 Dec 2023 |
| VANGUARD GROUP INC |
13F
Company
|
4.5%
|
$5,064,628
2,610,633 shares
|
— | 31 Dec 2023 |
| Capital World Investors |
13F
Company
|
3.6%
|
$3,988,640
2,056,000 shares
|
— | 31 Dec 2023 |
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 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
85
Shares
37,748,839
Rows available
85
| 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 2024 vs Q1 2026 Across Filers
Q1 2026 holders
58
Q1 2024 holders
85
Holder diff
27
| Investor | Q1 2026 Shares | Q1 2024 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend