Security key
81578P106
- Security type / class
- Equity / Class A Common Stock
- Total 13F shares
- 37,055,406
- Total 13F value
- $71,883,653
- Share change
- -2,186,739
- Put/Call ratio
- 250%
- SEC-reported price per share
- $1.94
- Number of holders
- 88
- Value change
- -$4,579,031
- Number of buys
- 51
- Number of sells
- 37
- 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
Q4 2023
Institutions
88
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
aMoon Growth Fund Limited...
Disclosed value leader
FMR LLC
Comparable rows
0/15
Latest evidence
30 Sep 2023
3/4/5
13F
Highest disclosed value: $13,584,639
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC has the largest disclosed position value at $13.58M.
0 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 FMR LLC's linked filing trail.
Disclosed position value
Top 5
aMoon Growth Fund Limited Partner...
$8.35M
FMR LLC
$13.58M
BlackRock Finance, Inc.
$12.68M
SOFTBANK GROUP CORP.
$11.35M
Artal Group S.A.
$10.5M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| aMoon Growth Fund Limited Partnership |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$8,345,310
4,923,196 shares
|
— | 09 Jun 2021 |
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$13,584,639
6,146,896 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$12,681,015
5,738,016 shares
|
— | 30 Sep 2023 |
| SOFTBANK GROUP CORP. |
13F
Company
|
—
denominator unverified
|
$11,349,196
5,135,383 shares
|
— | 30 Sep 2023 |
| Artal Group S.A. |
13F
Company
|
—
denominator unverified
|
$10,498,000
4,750,000 shares
|
— | 30 Sep 2023 |
| Capital World Investors |
13F
Company
|
—
denominator unverified
|
$9,066,463
4,102,472 shares
|
— | 30 Sep 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 Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
88
Shares
37,055,406
Rows available
88
| 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 Q4 2023 vs Q2 2026 Across Filers
Q2 2026 holders
59
Q4 2023 holders
88
Holder diff
29
| Investor | Q2 2026 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q2 2026 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend