What does CUSIP 084670108 represent in this 13F holders report?

CUSIP 084670108 is the security identifier for BRKA - BERKSHIRE HATHAWAY INC DEL - CLASS A COMMON STOCK used to aggregate holder disclosures.

How many institutions held BRKA - BERKSHIRE HATHAWAY INC DEL - CLASS A COMMON STOCK in Q1 2021?

959 institutional investors reported BRKA - BERKSHIRE HATHAWAY INC DEL - CLASS A COMMON STOCK for Q1 2021. Use the holders table for investor-level position and value details.

BERKSHIRE HATHAWAY INC DEL - CLASS A COMMON STOCK (BRKA)

CUSIP: 084670108

Q1 2021 13F Holders as of 31 Mar 2021

Security type / class: Equity / CLASS A COMMON STOCK
Total 13F shares: 107,758
Total 13F value: $41,569,937,009
Share change: -2,744
SEC-reported price per share: $385704.08
Number of holders: 959
Value change: -$991,289,012
Number of buys: 114
Number of sells: 187
Shares outstanding: 522,511

Security key

084670108

Report period

Q1 2021

Institutions

959

Top holders

BRKA full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2021 Previous quarter: Q4 2020 BERKSHIRE HATHAWAY INC SEC filings BERKSHIRE HATHAWAY INC company facts BERKSHIRE HATHAWAY INC 13D/G history

Broader feeds

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

Reporting periods

Holder history for CUSIP 084670108

Newer quarter: Q2 2021 Previous quarter: Q4 2020

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of BRKA - BERKSHIRE HATHAWAY INC DEL - 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

VANGUARD GROUP INC

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

0/15

Latest evidence

31 Dec 2020

13F Highest disclosed value: $32,120,227,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC has the largest disclosed position value at $32.12B.

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 VANGUARD GROUP INC's linked filing trail.

Disclosed position value Top 5

VANGUARD GROUP INC $32.12B

BlackRock Finance, Inc. $25.53B

STATE STREET CORP $17.49B

FMR LLC $13.55B

GATES FOUNDATION TRUST $9.76B

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
VANGUARD GROUP INC	13F Company 13F	— mixed-class rows	$32,120,227,000 135,151,033 shares mixed-class rows	—	31 Dec 2020
BlackRock Finance, Inc.	13F Company 13F	— mixed-class rows	$25,525,537,000 108,094,810 shares mixed-class rows	—	31 Dec 2020
STATE STREET CORP	13F Company 13F	— mixed-class rows	$17,494,993,000 75,132,433 shares mixed-class rows	—	31 Dec 2020
FMR LLC	13F Company 13F	— mixed-class rows	$13,552,076,000 11,700,709 shares mixed-class rows	—	31 Dec 2020
GATES FOUNDATION TRUST	13F Company 13F	— class O/S missing	$9,762,747,000 42,104,399 shares	—	31 Dec 2020
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	— mixed-class rows	$6,496,524,000 28,082,078 shares mixed-class rows	—	31 Dec 2020

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 2021

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

Institutions

959

107,758

Rows available

959

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 2021 vs Q4 2020 Across Filers

Q4 2020 holders

954

Q1 2021 holders

959

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 value	Q1 2021 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend