What does CUSIP 084423102 represent in this 13F holders report?

CUSIP 084423102 is the security identifier for WRB - BERKLEY W R CORP - Common Stock, par value $0.20 per share used to aggregate holder disclosures.

How many institutions held WRB - BERKLEY W R CORP - Common Stock, par value $0.20 per share in Q4 2019?

483 institutional investors reported WRB - BERKLEY W R CORP - Common Stock, par value $0.20 per share for Q4 2019. Use the holders table for investor-level position and value details.

BERKLEY W R CORP - Common Stock, par value $0.20 per share (WRB)

CUSIP: 084423102

Q4 2019 13F Holders as of 31 Dec 2019

Security type / class: Equity / Common Stock, par value $0.20 per share
Total 13F shares: 129,477,135
Total 13F value: $8,930,012,544
Share change: -131,757
Put/Call ratio: 110%
SEC-reported price per share: $69.10
Number of holders: 483
Value change: -$13,011,946
Number of buys: 210
Number of sells: 206
Shares outstanding: 372,028,165

Security key

084423102

Report period

Q4 2019

Institutions

483

Top holders

WRB full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2020 Previous quarter: Q3 2019 BERKLEY W R CORP SEC filings BERKLEY W R CORP company facts BERKLEY W R CORP 13D/G history

Broader feeds

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

Reporting periods

Holder history for CUSIP 084423102

Newer quarter: Q1 2020 Previous quarter: Q3 2019

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 WRB - BERKLEY W R CORP - Common Stock, par value $0.20 per share (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

30 Sep 2019

13F Lead comparable stake: 5.4% Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. leads the comparable SEC ownership view at 5.4%.

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. 5.4%

VANGUARD GROUP INC 4.1%

ATLANTA CAPITAL MANAGEMENT CO L L C 2.7%

First Eagle Investment Management... 2%

JANUS HENDERSON GROUP PLC 1.9%

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 13F	5.4%	$1,445,620,000 20,014,145 shares	—	30 Sep 2019
VANGUARD GROUP INC	13F Company 13F	4.1%	$1,100,689,000 15,238,661 shares	—	30 Sep 2019
ATLANTA CAPITAL MANAGEMENT CO L L C	13F Company 13F	2.7%	$738,014,000 10,217,558 shares	—	30 Sep 2019
First Eagle Investment Management, LLC	13F Company 13F	2%	$531,538,000 7,358,960 shares	—	30 Sep 2019
JANUS HENDERSON GROUP PLC	13F Company 13F	1.9%	$518,315,000 7,175,899 shares	—	30 Sep 2019
STATE STREET CORP	13F Company 13F	1.8%	$478,935,000 6,621,019 shares	—	30 Sep 2019

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 2019

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

Institutions

483

129,477,135

Rows available

483

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 2019 vs Q3 2019 Across Filers

Q3 2019 holders

432

Q4 2019 holders

483

Holder diff

Investor	Q3 2019 Shares	Q4 2019 Shares	Share Diff	Share Chg %	Q3 2019 value	Q4 2019 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend