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BERKSHIRE HATHAWAY INC DEL
BERKSHIRE HATHAWAY INC DEL. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 8 Institutional holders with a total value of $57,153,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 206,000 29,730,000 52.02% Call
2 Allianz Asset Management GmbH 69,900 10,088,000 17.65% Call
3 Mercer Capital Advisers, Inc. 41,412 5,977,000 10.46%
4 Timber Hill LLC 33,400 4,820,000 8.43% Call
5 COMMERZBANK AKTIENGESELLSCHAFT /FI 25,000 3,608,000 6.31% Call
6 SIMPLEX TRADING, LLC 1,660 1,614,000 2.82% Call
7 SG Americas Securities, LLC 189,600 1,078,000 1.89% Call
8 SNS Financial Group, LLC 1,800 238,000 0.42%

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.