Dark
Light
System
Security
BERKSHIRE HATHAWAY INC DEL
BERKSHIRE HATHAWAY INC DEL. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 7 Institutional holders with a total value of $149,866,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Allianz Asset Management GmbH 633,800 91,470,000 61.03% Put
2 CITADEL ADVISORS LLC 172,800 24,938,000 16.64% Put
3 COMMERZBANK AKTIENGESELLSCHAFT /FI 125,000 18,040,000 12.04% Put
4 Timber Hill LLC 94,800 13,682,000 9.13% Put
5 SIMPLEX TRADING, LLC 2,544 970,000 0.65% Put
6 SG Americas Securities, LLC 234,800 550,000 0.37% Put
7 Marathon Trading Investment Management LLC 1,500 216,000 0.14% Put

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.