SRB Corp

SEC CIK: 0001496228
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

WMB holding history

Williams Companies, Inc. in every 13F filed by SRB Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WMB overview All 13F holders of WMB Full Q2 2026 holdings

Shares (Q4 2023): 0; Sold out in Q4 2023
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q2 2023

Holdings of WMB by SRB Corp, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2023	0	$0	0.0%	−13,386−100.0%	Sold out	Holders
Q3 2023	13,386	$451.0K	<0.1%	−1,451−9.8%	Reduced	Holders
Q2 2023	14,837	$484.1K	<0.1%	+14,837	New	Holders