Owners of Berkshire Hathaway Inc Del Cl A in Q3 2020

Owners of Berkshire Hathaway Inc Del Cl A in Q3 2020
NameSharesValueWeighting ↓
NORTHWESTERN UNIVERSITY 455$145,60087.82%
Punch Card Capital 349$111,68045.21%
FIRST MANHATTAN CO 15,529$4,969,29525.60%
ALLEN HOLDING INC /NY 400$128,00023.60%
WATER STREET CAPITAL INC 503$160,96117.36%
ARMSTRONG HENRY H ASSOCIATES INC 361$115,52016.01%
SEMPER AUGUSTUS INVESTMENTS GROUP LLC 85$27,20013.97%
HARTLINE INVESTMENT CORP/ 252$80,64013.62%
HUTNER CAPITAL MANAGEMENT INC 55$17,60013.08%
TWEEDY BROWNE CO LLC// 1,035$331,20112.84%
ELKHORN PARTNERS LIMITED PARTNERSHIP 50$16,00012.46%
Gardner Russo & Gardner 3,563$1,140,16411.08%
Well Done, LLC 119$38,08010.73%
EVERETT HARRIS & CO/CA 1,451$464,3219.07%
International Value Advisers 240$76,8008.80%
Weitz Investment Management 558$178,5618.37%
Lincoln Capital 65$20,8007.62%
ARMSTRONG SHAW ASSOCIATES INC/CT 20$6,4007.57%
TIMUCUAN ASSET MANAGEMENT INC/FL 370$118,4006.90%
RBF Capital, LLC 212$67,8406.84%
Aquamarine Capital Management 30$9,6006.33%
Markel Corporation 1,114$356,4826.05%
Cable Hill Partners, LLC 61$19,5205.78%
WELLCOME TRUST LTD (THE) as trustee of the WELLCOME TRUST 1,300$416,0015.62%
DAVIS SELECTED ADVISERS 2,648$847,3634.71%
SAYBROOK CAPITAL /NC 36$11,5204.14%
GENERAL AMERICAN INVESTORS CO INC 110$35,2004.06%
BRANDYWINE TRUST CO 32$10,2403.85%
BRIDGES INVESTMENT MANAGEMENT INC 312$99,8403.38%
COLONY GROUP INC /MA/ 402$128,6403.35%
TDAM USA INC. 152$48,6403.35%
SECURITY NATIONAL BANK OF SIOUX CITY IOWA /IA/ 9$2,8802.70%
LAWSON KROEKER INVESTMENT MANAGEMENT INC/NE 15$4,8002.14%
FENIMORE ASSET MANAGEMENT INC 202$64,6402.09%
AR ASSET MANAGMENT INC 18$5,7602.02%
HARVEY INVESTMENT CO LLC 40$12,8002.00%
WHITTIER TRUST CO 260$83,2001.98%
Pictet & Cie (Europe) SA 106$33,9201.90%
SCHULHOFF & CO INC 11$3,5201.89%
PUZO MICHAEL J 16$5,1201.82%
CENTRAL SECURITIES CORP 35$11,2001.74%
CAMBRIDGE TRUST CO 86$27,5201.42%
FIRST CITIZENS BANK & TRUST CO 63$20,1601.42%
WASHINGTON TRUST BANK 29$9,2801.37%
AUGUSTINE ASSET MANAGEMENT INC 7$2,2401.31%
HOVEY YOUNGMAN ASSOCIATES INC 26$8,3201.28%
PITCAIRN CO 46$14,7201.25%
BIRINYI ASSOCIATES INC 9$2,8801.22%
Oliver Luxxe Assets LLC 10$3,2001.19%
BARR E S & CO 37$11,8401.17%
SANTA MONICA PARTNERS LP 4$1,2801.15%
WALTER & KEENAN FINANCIAL CONSULTING CO /MI/ /ADV 9$2,8801.14%
MOSELEY INVESTMENT MANAGEMENT INC 5$1,6001.14%
BROWN BROTHERS HARRIMAN & CO 492$157,4401.13%
CHECK CAPITAL MANAGEMENT INC/CA 56$17,9201.09%
S. MUOIO & CO. LLC 3$9601.09%
HENNESSY ADVISORS INC 48$15,3601.07%
VONTOBEL USA INC/NY 547$175,0401.05%
ROBERTS GLORE & CO INC /IL/ 9$2,8801.03%
US BANCORP \DE\ 1,295$414,4021.01%
FMR CORP 31,061$9,939,5511.00%
GLUSKIN SHEFF & ASSOC INC 47$15,0400.99%
SIRIOS CAPITAL MANAGEMENT L P 37$11,8400.97%
PITTENGER & ANDERSON INC 44$13,8110.88%
ASHFORD CAPITAL MANAGEMENT INC 22$7,0400.84%
Manitou Investment Management Ltd. 10$3,2000.84%
PARADIGM ASSET MANAGEMENT CO LLC/NY 8$2,560,0080.79%
SANDERS MORRIS HARRIS INC/FA 9$2,8690.78%
Nicholas Hoffman & Company, LLC. 9$2,8800.76%
Community Bank & Trust, Waco, Texas 6$1,9200.76%
PACIFIC GLOBAL INVESTMENT MANAGEMENT CO 9$2,8800.75%
KARPAS STRATEGIES, LLC 5$1,6000.74%
SMITHFIELD TRUST CO 28$8,9600.73%
CARRET & CO LLC 15$4,8000.73%
UNION BANKSHARES CORP 19$6,0800.71%
First PREMIER Bank 5$1,6000.70%
LLBH Private Wealth Management, LLC 7$2,2400.68%
PNC FINANCIAL SERVICES GROUP INC 1,640$524,8020.65%
CANNELL PETER B & CO INC 55$17,6000.65%
FIRST NATIONAL CORP /MA/ /ADV 400$2,0630.64%
NORRIS PERNE & FRENCH LLP/MI 18$5,7600.63%
SYNOVUS FINANCIAL CORP 143$45,7600.61%
DIMENSION CAPITAL MANAGEMENT PARTNERS /ADV 6$1,9200.61%
AVIVA PLC 310$99,2000.59%
PRIVATE MANAGEMENT GROUP INC 28$8,9600.58%
Kelman-Lazarov, Inc. 4$1,2800.58%
FOSTER DYKEMA CABOT & CO INC/MA 11$3,5200.58%
FAYEZ SAROFIM & CO 418$133,7600.57%
INTRUST BANK NA 10$3,2000.57%
Canal Capital Management, LLC 4$1,2800.56%
GABELLI FUNDS LLC 223$71,3600.56%
CI INVESTMENTS INC. 338$108,1600.54%
FOLGER NOLAN FLEMING DOUGLAS INC 11$3,5200.53%
PARK NATIONAL CORP /OH/ 31$9,9200.52%
PARTHENON CAPITAL MANAGEMENT LLC/KY 8$2,5600.50%
DAVIDSON D A & CO/MT 88$28,1600.49%
ACCOUNT MANAGEMENT CORP /MA/ 1$3200.49%
WEDGEWOOD INVESTORS INC /PA/ 1$3200.48%
BEESE FULMER INVESTMENT MANAGEMENT, INC. 10$3,2000.45%
MOGY JOEL R INVESTMENT COUNSEL INC 13$4,1600.45%
ROPES WEALTH ADVISORS LLC 7$2,2400.43%
SHUFRO ROSE EHRMAN 14$4,4800.43%
WIMMER ASSOCIATES 1, LLC 2$6400.43%
FIRST NATIONAL BANK OF OMAHA 21$6,7200.42%
HOWLAND CAPITAL MANAGEMENT INC 19$6,0800.40%
FIRST MIDWEST TRUST CO 8$2,5600.40%
NATIONS FINANCIAL GROUP INC, /IA/ /ADV 4$1,2800.40%
SMITH CHAS P & ASSOCIATES PA CPAS 11$3,5200.40%
EXCALIBUR MANAGEMENT CORP 2$6400.39%
Jackson, Grant Investment Advisers, Inc. 2$6400.38%
Sheaff Brock Investment Advisors, LLC 13$4,1600.38%
ELIAS ASSET MANAGEMENT INC/ 9$2,8800.37%
RBO & CO LLC 5$1,6000.36%
HM PAYSON & CO 35$11,2000.34%
CWA Asset Management Group, LLC 8$2,5600.34%
EATON VANCE MANAGEMENT 550$176,0010.32%
SECURITY NATIONAL BANK OF SO DAK 1$3200.32%
GUARANTY TRUST CO OF MISSOURI /MO/ 22$7,0400.32%
GOFEN & GLOSSBERG LLC /IL/ 32$10,2400.31%
NEVILLE RODIE & SHAW INC 10$3,2000.30%
YACKTMAN ASSET MANAGEMENT CO/IL 63$20,1600.30%
Cardan Capital Partners, LLC 7$2,2400.30%
STATE TREASURER STATE OF MICHIGAN 116$37,1200.30%
HARVEY CAPITAL MANAGEMENT INC 2$6400.29%
ROYAL LONDON ASSET MANAGEMENT LTD 148$46,7220.28%
TANDEM CAPITAL MANAGEMENT CORP /ADV 1$3200.28%
HOME FEDERAL BANK OF TENNESSEE 2$6400.28%
Jacobi Capital Management LLC 5$1,6000.28%
RITTENHOUSE TRUST CO 54$17,2800.28%
VESTOR CAPITAL, LLC 6$1,9200.27%
Harfst & Associates, Inc. 2$6400.27%
SENTINEL TRUST CO LBA 4$1,2800.26%
CLIFFORD ASSOCIATES LLC 17$5,4400.26%
BLACKHILL CAPITAL INC 6$1,9200.26%
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 892$285,4410.25%
HALL CAPITAL MANAGEMENT CO INC 1$3200.25%
BURKE & HERBERT BANK & TRUST CO 1$3200.25%
COMPASS CAPITAL MANAGEMENT INC/ 8$2,5600.25%
WADE G W & INC 10$3,2000.24%
WILBANKS SMITH & THOMAS ASSET MANAGEMENT INC/VA 14$4,4800.24%
Giverny Capital 8$2,5600.23%
SPINNAKER TRUST 8$2,5600.23%
FIRST FOUNDATION ADVISORS 15$4,8000.22%
CADINHA & CO INC /HAWAII 4$1,2800.22%
V Wealth Management,LLC 1$3200.22%
WOODARD & CO ASSET MANAGEMENT GROUP INC /ADV 1$3200.21%
KLINGENSTEIN FIELDS & CO LLC 13$4,1600.21%
Avenir Corp 6$1,9200.20%
LOWE BROCKENBROUGH & CO INC 5$1,6000.20%
ASSET MANAGEMENT CORP /IL/ /ADV 1$3200.19%
FIRST INTERSTATE BANK 4$1,2800.19%
OLD NATIONAL BANCORP /IN/ 12$3,8400.19%
GABELLI FUNDS INC ET AL 52$16,6400.18%
Front Street Capital Management, Inc. 2$6400.18%
COMMONWEALTH EQUITY SERVICES, INC. 159$50,8800.17%
MEANS INVESTMENT CO., INC. 2$6280.17%
SALEM INVESTMENT COUNSELORS INC 7$2,2400.17%
MIDDLETON & CO INC/MA 4$1,2800.17%
LEGAL & GENERAL GROUP PLC 1,184$378,8810.17%
EQUITABLE TRUST CO 6$1,9200.16%
BLUESTEIN R H & CO 10$3,2000.16%
COLDSTREAM CAPITAL MANAGEMENT INC 6$1,9200.16%
OSTERWEIS CAPITAL MANAGEMENT INC 7$2,2400.15%
Integrated Investment Consultants, LLC 1$3200.15%
BEACON INVESTMENT ADVISORY SERVICES, INC. 9$2,8800.15%
FIRST COMMONWEALTH FINANCIAL CORP /PA/ 1$3200.15%
STONEBRIDGE CAPITAL MANAGEMENT INC 1$3200.15%
CITY HOLDING CO 2$6400.15%
Fiduciary Group LLC 3$9600.15%
TRUST CO OF TOLEDO NA /OH/ 2$6400.14%
EVEANS BASH MAGRINO & KLEIN INC 5$1,6000.14%
Cornerstone Wealth Management, LLC 3$9600.14%
HORIZON ASSET MANAGEMENT INC/NY 11$3,5200.14%
BECK MACK & OLIVER LLC 12$3,8400.14%
Wealthcare Advisory Partners LLC 4$1,2800.14%
Harwood Advisory Group, LLC 2$6400.14%
Clearstead Advisors, LLC 4$1,2800.14%
CONNING CORP 12$3,8400.14%
FIRST NATIONAL CORP /SC/ 4$1,2800.13%
Edmonds Duncan Registered Investment Advisors, LLC 1$3200.13%
HENDLEY & CO INC 1$3200.13%
FINANCIAL COUNSELORS INC 14$4,4800.13%
BLAIR WILLIAM & CO/IL 96$30,7200.13%
GREEN SQUARE CAPITAL LLC 1$3200.13%
BERRY HARTELL EVERS & OSBORNE INC/ 2$6400.13%
Baird Financial Group, Inc. 114$36,4800.12%
PARSONS CAPITAL MANAGEMENT INC/RI 4$1,2800.12%
CAMPBELL NEWMAN ASSET MANAGEMENT INC 3$9600.12%
TOMPKINS TRUSTCO INC 2$6400.12%
SHIKIAR ASSET MANAGEMENT INC 1$3200.12%
Mosaic Family Wealth, LLC 1$3200.12%
CAPITAL CITY TRUST CO/FL 1$3200.12%
FIDUCIARY TRUST CO 15$4,8000.11%
BEACH INVESTMENT COUNSEL INC/PA 3$9600.11%
MONARCH CAPITAL MANAGEMENT INC/ 1$3200.11%
ASSOCIATED BANC-CORP 8$2,5600.11%
HSBC HOLDINGS PLC 211$67,4720.11%
GIRARD PARTNERS LTD. 2$6400.11%
GLENMEDE TRUST CO 54$17,2800.10%
CYPRESS CAPITAL MANAGEMENT LLC 2$6400.10%
STIFEL FINANCIAL CORP 145$46,4000.10%
DAVENPORT & CO OF VIRGINIA INC 26$8,3200.09%
TREES FRONT ASSOCIATES INC 2$6400.09%
CRAWFORD INVESTMENT COUNSEL INC 10$3,2000.09%
BOSTON FAMILY OFFICE LLC 3$9600.09%
BRISTOL JOHN W & CO INC /NY/ 12$3,8400.09%
AMERITAS INVESTMENT ADVISORS INC 6$1,9200.09%
MID ATLANTIC FINANCIAL MANAGEMENT INC /ADV 3$9920.09%
BOKF, NA 12$3,8400.08%
WEBSTER TRUST CO NA 2$6400.08%
MAINSTAY CAPITAL MANAGEMENT LLC /ADV 1$3200.08%
AMERITAS INVESTMENT CORP 1$2670.08%
SEGALL BRYANT & HAMILL 19$6,0800.08%
M&R CAPITAL MANAGEMENT INC 1$3200.08%
BADGLEY PHELPS & BELL INC 5$1,6000.08%
PALISADE CAPITAL MANAGEMENT LLC/NJ 8$2,5600.08%
LEE DANNER & BASS INC/ 2$6400.08%
INSTITUTIONAL & FAMILY ASSET MANAGEMENT, LLC 1$3200.07%
SCHWERIN BOYLE CAPITAL MANAGEMENT INC 2$6400.07%
BANK OF MONTREAL /CAN/ 277$87,3530.07%
Kovitz Investment Group Partners, LLC 8$2,5600.07%
WASHINGTON TRUST Co 6$1,9200.07%
PEKIN SINGER STRAUSS ASSET MANAGEMENT /IL 1$3200.07%
ROTHSCHILD INVESTMENT CORP /IL 2$6400.07%
FIFTH THIRD BANCORP 39$12,4800.07%
Advisor Group Holdings, Inc. 73$22,8860.07%
UNIONBANCAL CORP 8$2,5600.07%
SMITH, MOORE & CO. 1$3200.07%
ENTERBANK HOLDINGS INC 1$3200.07%
HARDESTY CAPITAL MANAGEMENT CORP 1$3200.07%
BRADLEY FOSTER & SARGENT INC/CT 7$2,2400.07%
SHEER ASSET MANAGEMENT 2$8000.06%
CAPITAL COUNSEL LLC/NY 3$9600.06%
BB&T CORP 93$29,7600.06%
STEPHENS INC /AR/ 10$3,2000.06%
MERCER GLOBAL ADVISORS INC /ADV 13$4,1600.06%
LVM CAPITAL MANAGEMENT LTD/MI 1$3200.06%
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 147$47,0400.06%
DOWDLE JEFFREY A 147$47,0400.06%
TRUST CO OF VERMONT 2$6400.06%
FIRST AMERICAN TRUST, FSB 1$3200.06%
PROFESSIONAL ADVISORY SERVICES INC 100$3200.06%
AMERICAN CENTURY COMPANIES INC 200$64,0000.06%
TORONTO DOMINION BANK 72$22,9020.06%
MONETA GROUP INVESTMENT ADVISORS LLC 2$6400.06%
FARR MILLER & WASHINGTON LLC/DC 2$6400.06%
RAYMOND JAMES TRUST CO 4$1,2800.06%
Renaissance Technologies 172$55,0400.05%
TRUE Private Wealth Advisors 1$3200.05%
FERGUSON WELLMAN RUDD PURDY & VAN WINKLE INC 6$1,9200.05%
Laurel Wealth Advisors, Inc. 1$3200.05%
Simmons Bank 2$6400.05%
FORBES J M & CO LLP 1$3200.05%
BerganKDV Wealth Management, LLC 1$3200.05%
NORTH AMERICAN MANAGEMENT CORP 1$3200.05%
THOMPSON SIEGEL &WALMSLEY INC 8$2,5600.05%
EDGAR LOMAX CO/VA 2$6400.05%
Fairholme Capital Management 1$3200.05%
FAHNESTOCK & CO INC 6$1,9200.05%
GAMBLE JONES MORPHY & BENT 2$6470.05%
BOSTON FINANCIAL MANGEMENT INC /MA 3$9600.05%
NORTHERN OAK WEALTH MANAGEMENT INC 1$3200.05%
MAI Capital Management 5$1,6000.05%
ZB,N.A. 1$3200.05%
MORGAN STANLEY DEAN WITTER & CO 707$226,2410.04%
TRUST CO OF VIRGINIA /VA 1$3200.04%
WEALTHSOURCE PARTNERS, LLC 1$3200.04%
WENDELL DAVID ASSOCIATES INC 1$3200.04%
GREAT WEST LIFE ASSURANCE CO /CAN/ 61$19,4940.04%
BANK OF AMERICA CORP /DE/ 957$306,2410.04%
BNP PARIBAS ARBITRAGE, SA 87$27,840,0870.04%
PARAMETRIC PORTFOLIO ASSOCIATES LLC 173$55,3600.04%
M&T BANK CORP 25$8,0000.04%
COURIER CAPITAL CORP 1$3140.04%
MASSMUTUAL TRUST CO FSB/ADV 2$6400.04%
Venturi Wealth Management, LLC 1$3200.04%
WELLS FARGO & CO/MN 410$131,2000.04%
ROYAL BANK OF CANADA 316$101,1200.04%
FIRST NATIONAL BANK NORTH DAKOTA 1$3200.04%
CHARTER TRUST CO 1$3200.04%
PUTNAM FL INVESTMENT MANAGEMENT CO 2$6400.04%
SCHWARTZ INVESTMENT COUNSEL INC 2$6400.03%
CULLEN FROST BANKERS INC 4$1,2800.03%
BERKSHIRE ASSET MANAGEMENT LLC/PA 1$3200.03%
KING LUTHER CAPITAL MANAGEMENT CORP 15$4,8000.03%
DF DENT & CO INC 7$2,2400.03%
COMERICA BANK 13$4,1510.03%
LINCOLN NATIONAL CORP 3$9600.03%
BRINSON PARTNERS INC/IL 163$52,160,1630.03%
MAIRS & POWER INC 7$2,2400.03%
1ST SOURCE BANK 1$3200.03%
BAHL & GAYNOR INC 12$3,8400.03%
STOCK YARDS BANK & TRUST CO 1$3200.03%
ST GERMAIN D J CO INC 1$3200.03%
EAGLE CAPITAL MANAGEMENT LLC 22$7,0400.03%
VANGUARD GROUP INC 2,320$742,4020.02%
TOCQUEVILLE ASSET MANAGEMENT LP 4$1,2800.02%
JOHNSON INVESTMENT COUNSEL INC 4$1,2800.02%
PEAPACK GLADSTONE FINANCIAL CORP 2$6400.02%
MEEDER R & ASSOCIATES INC 1$3200.02%
ALTA CAPITAL MANAGEMENT LLC/ 2$6400.02%
CITIZENS FINANCIAL GROUP INC/DE 1$3170.02%
BURNEY CO/ 1$3200.02%
FULTON BANK 1$3200.02%
PAYDEN & RYGEL 1$3200.02%
Fairfax Financial Holdings 1$3200.02%
BECKER CAPITAL MANAGEMENT INC 1$3200.02%
NORTHERN TRUST CORP 251$80,3200.02%
PINNACLE FINANCIAL PARTNERS INC 1$3200.02%
COMMERCE BANK N A/MO 6$1,9200.02%
Squarepoint Ops LLC 4$1,2800.02%
BAILARD BIEHL & KAISER INC 1$3200.02%
FIRST HAWAIIAN BANK 1$3200.02%
ANCHOR CAPITAL ADVISORS INC 2$6400.02%
LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS /MA 4$1,2800.02%
FRANKLIN RESOURCES INC 102$32,6400.02%
PINNACLE ASSOCIATES LTD 2$6400.02%
BRYN MAWR TRUST CO/PA 1$3200.01%
GOLDMAN SACHS GROUP INC 157$50,2400.01%
SEAWARD MANAGEMENT CORP 1$3200.01%
BARCLAYS PLC 67$21,4400.01%
EDMOND DE ROTHSCHILD HOLDING S.A. 1$3200.01%
VAUGHAN DAVID INVESTMENTS INC/IL 1$3200.01%
MML INVESTORS SERVICES, LLC 3$9600.01%
BESSEMER GROUP INC 12$3,8400.01%
MACKENZIE FINANCIAL CORP 14$4,4800.01%
PARK AVENUE SECURITIES LLC 1$3200.01%
DAVIS R M INC 1$3200.01%
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 12$3,8400.01%
1832 Asset Management L.P. 12$3,8440.01%
CITIGROUP INC 48$15,3600.01%
SCHWAB CHARLES INVESTMENT MANAGEMENT INC 65$20,8010.01%
SCHRODER INVESTMENT MANAGEMENT GROUP 14$4,4450.01%
STATE STREET CORP 325$104,0000.01%
CHASE MANHATTAN CORP /DE/ 129$40,7500.01%
Akre Capital Management 3$9600.01%
WAYNE HUMMER MANAGEMENT CO 1$3200.01%
KORNITZER CAPITAL MANAGEMENT INC /KS 1$3200.01%
JONES FINANCIAL COMPANIES LP LLP 8$2,5600.01%
NOMURA ASSET MANAGEMENT CO LTD 2$6400.00%
REED CONNER & BIRDWELL INC 5$1,6000.00%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 9$2,8800.00%
AID ASSOCIATION FOR LUTHERANS 5$1,6000.00%
Jarislowsky, Fraser Ltd 2$6400.00%
KAYNE ANDERSON INVESTMENT MANAGEMENT LLC 3$9600.00%
FORT WASHINGTON INVESTMENT ADVISORS INC /HO/ 1$3200.00%
AMERICAN EXPRESS FINANCIAL ADVISORS 24$7,6800.00%
FISHER INVESTMENTS INC 9$2,8800.00%
Edgewood Management 3$9600.00%
DODGE & COX 5$1,6000.00%
BAMCO INC /NY/ 1$3200.00%
BANK OF NOVA SCOTIA 1$2720.00%
PRICE T ROWE ASSOCIATES INC /MD/ 19$6,0800.00%
PIONEER INVESTMENT MANAGEMENT INC 2$6400.00%
Citadel Advisors 6$1,9200.00%
ALLIANCE CAPITAL MANAGEMENT L P 3$9600.00%
RHUMBLINE ADVISERS 1$3200.00%
DIMENSIONAL FUND ADVISORS INC 3$9600.00%
DEUTSCHE BANK AG\ 51$00.00%

This page lists all the filers that owned Berkshire Hathaway Inc Del Cl A in Q3 2020. For a list of filers that in the past have reported owning Berkshire Hathaway Inc Del Cl A, see the History page.