Form 13-F position report

ALLEGHANY CORP

Reported by PROSPECTOR PARTNERS LLC

Y CUSIP 017175100 Manager CIK 0001080380

Reported 27,364 shares, down 9,913 (26.6%) from the prior quarter.

Reported value -6.9%; share count -26.6% vs. the prior quarter.

Reduced
% of reported 13F value 2.87% This manager · Q1 2022
Shares 27,364 Quarter-end amount reported
Reported value $23,177,000 Fair value at quarter end
Consecutive quarters held 8 Through Q1 2022

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
2021-03-31 23113000
2021-06-30 24901000
2021-09-30 22914000
2021-12-31 24886000
2022-03-31 23177000
2022-06-30 783000
2022-09-30 781000
2022-12-31 0

Quarterly position history

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

8 quarters
Quarterly reported position history for ALLEGHANY CORP held by PROSPECTOR PARTNERS LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q4 2022 Reduced 0 -930 (-100.0%) 0 $0 2023-02-15
Q3 2022 Reduced 930 -10 (-1.1%) 0.12% $781,000 2022-11-10
Q2 2022 Reduced 940 -26,424 (-96.6%) 0.11% $783,000 2022-08-11
Q1 2022 Reduced 27,364 -9,913 (-26.6%) 2.87% $23,177,000 2022-05-12
Q4 2021 Added 37,277 +580 (1.6%) 2.88% $24,886,000 2022-02-11
Q3 2021 Reduced 36,697 -632 (-1.7%) 2.94% $22,914,000 2021-11-10
Q2 2021 Added 37,329 +425 (1.2%) 3.14% $24,901,000 2021-08-11
Q1 2021 Reduced 36,904 -2,716 (-6.9%) 2.96% $23,113,000 2021-05-13
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

482 managers reported ALLEGHANY CORP for Q1 2022.

Managers reporting ALLEGHANY CORP in Q1 2022.
Manager Activity Shares Change % of reported 13F Reported value Tenure
BlackRock Inc Reduced 1,275,756 -34,110 0.03% $1,080,565,000 36 qtrs
VANGUARD GROUP INC Reduced 1,218,404 -1,849 0.02% $1,031,989,000 36 qtrs
VICTORY CAPITAL MANAGEMENT INC Added 732,345 +30,758 0.62% $620,264,000 35 qtrs
STATE STREET CORPORATION Added 467,048 +9,129 0.02% $395,590,000 26 qtrs
First Eagle Investment Management LLC Reduced 427,565 -367 0.89% $362,148,000 36 qtrs
Boston Partners Reduced 397,981 -141,306 0.41% $337,096,000 36 qtrs
JPMorgan Chase & Co Reduced 364,644 -336 0.04% $308,854,000 36 qtrs
WELLINGTON MANAGEMENT GROUP LLP Reduced 266,938 -8,438 0.04% $226,096,000 36 qtrs
LONDON CO OF VIRGINIA Added 261,387 +2,759 1.17% $221,395,000 36 qtrs
NUANCE INVESTMENTS LLC Added 235,064 +95,253 3.56% $199,099,000 8 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
March 31, 2022
Filed
May 12, 2022
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
27,364
Shared
0
None
0

“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.