Form 13-F position report

* BERKLEY W R CORP

Reported by ANCHOR CAPITAL ADVISORS LLC

WRB CUSIP 084423102 Manager CIK 0000813933

Reported 885,912 shares, up 657,268 (287.5%) from the prior quarter.

Reported value 270.7%; share count 287.5% vs. the prior quarter.

Added
% of reported 13F value 1.37% This manager · Q2 2023
Shares 885,912 Quarter-end amount reported
Reported value $52,764,917 Fair value at quarter end
Consecutive quarters held 14 Through Q2 2023

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-12-31 20679000
2022-03-31 23459000
2022-06-30 21276000
2022-09-30 18963000
2022-12-31 16330945
2023-03-31 14235398
2023-06-30 52764917
2023-09-30 65776350
2023-12-31 68234774
2024-03-31 85630503
2024-06-30 73207919
2024-09-30 77056103
2024-12-31 75829782
2025-03-31 87882859
2025-06-30 86976298
2025-09-30 88369000
2025-12-31 78979739
2026-03-31 75154251
2026-06-30 73023238
2026-09-30 65894501

Quarterly position history

How this manager's reported quarter-end position changed over time.

20 quarters
Quarterly reported position history for * BERKLEY W R CORP held by ANCHOR CAPITAL ADVISORS LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q3 2026 Reduced 975,637 -59,713 (-5.8%) 2.05% $65,894,501 2026-11-05
Q2 2026 Reduced 1,035,350 -98,540 (-8.7%) 2.05% $73,023,238 2026-08-05
Q1 2026 Added 1,133,890 +7,539 (0.7%) 2.14% $75,154,251 2026-05-12
Q4 2025 Reduced 1,126,351 -26,990 (-2.3%) 2.29% $78,979,739 2026-02-10
Q3 2025 Reduced 1,153,341 -30,493 (-2.6%) 2.56% $88,369,000 2025-10-30
Q2 2025 Reduced 1,183,834 -51,170 (-4.1%) 2.55% $86,976,298 2025-08-06
Q1 2025 Reduced 1,235,004 -60,789 (-4.7%) 2.62% $87,882,859 2025-05-13
Q4 2024 Reduced 1,295,793 -62,502 (-4.6%) 2.16% $75,829,782 2025-02-05
Q3 2024 Reduced 1,358,295* -39,159 (-2.8%) 2.05% $77,056,103 2024-10-31
Q2 2024 Reduced 931,636 -36,597 (-3.8%) 2.06% $73,207,919 2024-08-06
Q1 2024 Added 968,233 +3,375 (0.3%) 2.24% $85,630,503 2024-05-07
Q4 2023 Reduced 964,858 -71,153 (-6.9%) 1.8% $68,234,774 2024-02-05
Q3 2023 Added 1,036,011 +150,099 (16.9%) 1.84% $65,776,350 2023-11-09
Q2 2023 Added 885,912 +657,268 (287.5%) 1.37% $52,764,917 2023-08-04
Q1 2023 Added 228,644 +3,607 (1.6%) 0.38% $14,235,398 2023-05-03
Q4 2022 Reduced 225,037 -68,596 (-23.4%) 0.42% $16,330,945 2023-02-10
Q3 2022 Reduced 293,633 -18,056 (-5.8%) 0.52% $18,963,000 2022-11-09
Q2 2022 Reduced 311,689 -40,602 (-11.5%) 0.54% $21,276,000 2022-08-04
Q1 2022 Reduced 352,291* -24,198 (-6.4%) 0.5% $23,459,000 2022-05-06
Q4 2021 Reduced 250,993 -10,251 (-3.9%) 0.41% $20,679,000 2022-02-10
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

756 managers reported * BERKLEY W R CORP for Q2 2023.

Managers reporting * BERKLEY W R CORP in Q2 2023.
Manager Activity Shares Change % of reported 13F Reported value Tenure
VANGUARD GROUP INC Reduced 24,753,808 -670,109 0.03% $1,474,336,805 41 qtrs
BlackRock Inc Reduced 13,815,977 -549,999 0.02% $822,879,610 41 qtrs
MORGAN STANLEY Added 12,535,407 +710,409 0.07% $746,609,019 41 qtrs
STATE STREET CORPORATION Added 10,791,317 +515,657 0.03% $642,730,841 31 qtrs
JANUS HENDERSON GROUP PLC Reduced 6,647,799 -66,504 0.25% $395,938,801 41 qtrs
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Added 6,516,912 +115,078 1.09% $388,147,297 33 qtrs
VICTORY CAPITAL MANAGEMENT INC Added 4,939,999 +1,319,663 0.32% $294,226,341 40 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 4,568,886 +70,222 0.03% $271,715,390 41 qtrs
JPMorgan Chase & Co Added 4,051,357 +1,373,580 0.03% $241,298,864 41 qtrs
FIRST TRUST ADVISORS LP Added 3,218,741 +439,768 0.22% $191,708,213 41 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
June 30, 2023
Filed
August 04, 2023
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
854,551
Shared
0
None
31,361

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.