What does CUSIP 81578P106 represent in this 13F holders report?

CUSIP 81578P106 is the security identifier for SEER - Seer, Inc. - Class A Common Stock used to aggregate holder disclosures.

How many institutions held SEER - Seer, Inc. - Class A Common Stock in Q1 2023?

99 institutional investors reported SEER - Seer, Inc. - Class A Common Stock for Q1 2023. Use the holders table for investor-level position and value details.

Seer, Inc. - Class A Common Stock (SEER)

CUSIP: 81578P106

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Class A Common Stock
Total 13F shares: 41,570,561
Total 13F value: $160,454,145
Share change: +3,613,017
Put/Call ratio: 336%
SEC-reported price per share: $3.86
Number of holders: 99
Value change: +$13,348,685
Number of buys: 53
Number of sells: 46
Shares outstanding: 57,656,100

Security key

81578P106

Report period

Q1 2023

Institutions

Top holders

SEER full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Seer, Inc. SEC filings Seer, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 81578P106

Newer quarter: Q3 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

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

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

15/15

Latest evidence

31 Dec 2022

13F Lead comparable stake: 15% Showing 1-6 of 15 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 15%.

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 FMR LLC's linked filing trail.

Comparable ownership Top 5

FMR LLC 15%

SB Global Advisers Ltd 8.9%

Artal Group S.A. 8.2%

Capital World Investors 8.1%

BlackRock Finance, Inc. 7.2%

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
FMR LLC	13F Company 13F	15%	$48,690,203 8,394,863 shares	—	31 Dec 2022
SB Global Advisers Ltd	13F Company 13F	8.9%	$29,785,221 5,135,383 shares	—	31 Dec 2022
Artal Group S.A.	13F Company 13F	8.2%	$27,550,000 4,750,000 shares	—	31 Dec 2022
Capital World Investors	13F Company 13F	8.1%	$27,091,800 4,671,000 shares	—	31 Dec 2022
BlackRock Finance, Inc.	13F Company 13F	7.2%	$24,030,852 4,143,250 shares	—	31 Dec 2022
VANGUARD GROUP INC	13F Company 13F	6%	$20,100,653 3,465,630 shares	—	31 Dec 2022

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 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

41,570,561

Rows available

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 2023 vs Q1 2026 Across Filers

Q1 2026 holders

Q1 2023 holders

Holder diff

Investor	Q1 2026 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2026 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend