Berkshire Hathaway Inc.
US ˙ NYSE

SecurityBRK.B / Berkshire Hathaway Inc.
InstitutionCommonwealth Equity Services, Inc
Latest Disclosed Ownership985,874 shares
Latest Disclosed Value $ 180,731,000
Commonwealth Equity Services, Inc reports 4.63% increase in ownership of BRK.B / Berkshire Hathaway Inc.

On February 16, 2018 - Commonwealth Equity Services, Inc filed a 13F-HR/A form disclosing ownership of 985,874 shares of Berkshire Hathaway Inc. (US:BRK.B) valued at $180,730,422 USD as of September 30, 2017. The entity filed a previous 13F-HR/A on February 16, 2018 disclosing 942,223 shares of Berkshire Hathaway Inc.. This represents a change in shares of 4.63% during the quarter. The current value of the position is $481,234,676 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2018-02-16 2017-09-30 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 985,874 43,651 4.63 180,731 13.25 1.0812
2017-11-07 2017-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 985,874 43,651 180,730
2018-02-16 2017-06-30 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 942,223 29,763 3.26 159,584 4.93 1.0139
2017-08-11 2017-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 942,223 29,763 159,584
2018-02-16 2017-03-31 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 912,460 52,018 6.05 152,089 8.45 1.0183
2017-05-15 2017-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 912,460 52,018 152,089
2018-02-16 2016-12-31 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 860,442 18,479 2.19 140,235 15.29 1.0358
2017-02-01 2016-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 860,442 18,479 140,235
2016-10-25 2016-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 841,963 1,180 0.14 121,638 -0.08 0.9650
2016-08-04 2016-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 840,783 14,709 1.78 121,737 3.87 1.0262
2016-04-27 2016-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 826,074 25,652 3.20 117,203 10.90 1.0445
2016-01-19 2015-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 800,422 9,132 1.15 105,688 2.43 1.0009
2015-10-27 2015-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 791,290 -63,940 -7.48 103,184 -11.36 1.0862
2015-07-28 2015-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 855,230 13,609 1.62 116,405 -4.16 1.1568
2015-04-28 2015-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 841,621 10,684 1.29 121,463 -2.65 1.2609
2015-01-13 2014-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 830,937 41,858 5.30 124,765 14.46 1.3984
2014-10-17 2014-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 789,079 56,789 7.75 109,003 17.61 1.3249
2014-07-23 2014-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 732,290 52,899 7.79 92,679 9.16 1.1280
2014-05-07 2014-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 679,391 29,926 4.61 84,904 10.26 1.1727
2014-02-11 2013-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 649,465 11,958 1.88 77,001 6.41 1.1184
2013-11-04 2013-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 637,507 12,924 2.07 72,363 3.52 1.1751
2013-07-29 2013-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 624,583 624,583 69,903 1.2332
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.