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 2018?

826 institutional investors reported BRKA - BERKSHIRE HATHAWAY INC DEL - CLASS A COMMON STOCK for Q1 2018. Use the holders table for investor-level position and value details.

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

CUSIP: 084670108

Q1 2018 13F Holders as of 31 Mar 2018

Security type / class: Equity / CLASS A COMMON STOCK
Total 13F shares: 141,900
Total 13F value: $42,427,262,800
Share change: -7,189
SEC-reported price per share: $299021.28
Number of holders: 826
Value change: -$2,142,192,683
Number of buys: 124
Number of sells: 169
Shares outstanding: 522,511

Security key

084670108

Report period

Q1 2018

Institutions

826

Top holders

BRKA full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2018 Previous quarter: Q4 2017 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 2018 Previous quarter: Q4 2017

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 2017

13F Highest disclosed value: $25,655,589,000 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 $25.66B.

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 $25.66B

BlackRock Finance, Inc. $20.75B

STATE STREET CORP $16.84B

GATES FOUNDATION TRUST $12.6B

FMR LLC $11.68B

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	$25,655,589,000 124,268,619 shares mixed-class rows	—	31 Dec 2017
BlackRock Finance, Inc.	13F Company 13F	— mixed-class rows	$20,745,970,000 102,943,408 shares mixed-class rows	—	31 Dec 2017
STATE STREET CORP	13F Company 13F	— mixed-class rows	$16,838,465,000 84,078,079 shares mixed-class rows	—	31 Dec 2017
GATES FOUNDATION TRUST	13F Company 13F	— class O/S missing	$12,600,840,000 63,569,972 shares	—	31 Dec 2017
FMR LLC	13F Company 13F	— mixed-class rows	$11,675,028,000 15,066,255 shares mixed-class rows	—	31 Dec 2017
Capital World Investors	13F Company 13F	— mixed-class rows	$6,998,205,000 2,054,217 shares mixed-class rows	—	31 Dec 2017

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 2018

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

Institutions

826

141,900

Rows available

826

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 2018 vs Q4 2017 Across Filers

Q4 2017 holders

827

Q1 2018 holders

826

Holder diff

-1

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 value	Q1 2018 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend