| The Vanguard Group |
PENNSYLVANIA |
0 |
0 |
0 |
0 |
0 |
0 % |
26/03/2026 |
| The Vanguard Group |
PENNSYLVANIA |
308189 |
308189 |
308189 |
0 |
4227904 |
5.91 % |
30/10/2025 |
| BlackRock, Inc. |
DELAWARE |
0 |
0 |
0 |
0 |
3994011 |
5 % |
25/04/2025 |
| Berkshire Hathaway Inc. |
DE |
0 |
35892479 |
0 |
35892479 |
35892479 |
45 % |
13/02/2025 |
| R. Ted Weschler |
UNITED STATES |
2039806 |
0 |
2039806 |
143374 |
2183180 |
2.7 % |
13/02/2025 |
| Scott Fetzer Company Collective Investment Trust |
OH |
0 |
200000 |
0 |
200000 |
200000 |
0.2 % |
13/02/2025 |
| BNSF Master Retirement Trust |
TX |
0 |
6850000 |
0 |
6850000 |
6850000 |
8.6 % |
13/02/2025 |
| Berkshire Hathaway Consolidated Pension Plan Master Trust |
NE |
0 |
10532088 |
0 |
10532088 |
10532088 |
13.2 % |
13/02/2025 |
| Government Employees Insurance Company |
NE |
0 |
18310391 |
0 |
18310391 |
18310391 |
23 % |
13/02/2025 |
| GEICO Corporation |
DE |
0 |
18310391 |
0 |
18310391 |
18310391 |
23 % |
13/02/2025 |
| Warren E. Buffett |
UNITED STATES |
0 |
35892479 |
0 |
35892479 |
35892479 |
45 % |
13/02/2025 |
| National Indemnity Company |
NE |
0 |
18310391 |
0 |
18310391 |
18310391 |
23 % |
13/02/2025 |
| DaVita Inc. |
Delaware |
7500000 |
0 |
7500000 |
0 |
7500000 |
7.4 % |
18/04/2022 |
| DaVita Inc. |
Delaware |
0 |
1980091 |
0 |
0 |
1980091 |
9.8 % |
11/02/2022 |
| Cheshire MD Holdings, LLC |
Delaware |
0 |
1980091 |
0 |
0 |
1980091 |
9.8 % |
11/02/2022 |
| The Vanguard Group - 23-1945930 |
Pennsylvania |
0 |
111502 |
7205585 |
275433 |
7481018 |
7.34 % |
09/02/2022 |
| (1) BlackRock, Inc. |
Delaware |
4814786 |
0 |
5654952 |
0 |
5654952 |
5.5 % |
01/02/2022 |
| The Vanguard Group - 23-1945930 |
Pennsylvania |
0 |
130084 |
8269697 |
342235 |
8611932 |
7.69 % |
10/02/2021 |
| (1) BlackRock, Inc. |
Delaware |
4972150 |
0 |
5939662 |
0 |
5939662 |
5.3 % |
29/01/2021 |
| The Vanguard Group - 23-1945930 |
Pennsylvania |
143478 |
33270 |
0 |
0 |
10481457 |
8.18 % |
12/02/2020 |
| (1) BlackRock, Inc. |
Delaware |
6190043 |
0 |
7302299 |
0 |
7302299 |
5.7 % |
05/02/2020 |
| (1) BlackRock, Inc. |
Delaware |
11684301 |
0 |
0 |
11684301 |
12931031 |
7.8 % |
04/02/2019 |
| VIEX Opportunities Fund, LP - Series One |
Pennsylvania |
210331 |
43975 |
14134525 |
247737 |
748116 |
2.9 % |
09/02/2018 |
| (1) BlackRock, Inc. |
Delaware |
11074129 |
0 |
12561391 |
0 |
12561391 |
6.9 % |
08/02/2018 |
| TPG Group Holdings (SBS) Advisors, Inc. |
Pennsylvania |
253467 |
30078 |
14469557 |
279880 |
23612642 |
42.2 % |
09/02/2017 |
| (1) BlackRock, Inc. |
Delaware |
11337704 |
0 |
12884961 |
0 |
12884961 |
6.5 % |
23/01/2017 |
| Counsel Portfolio Services Inc. |
Pennsylvania |
308622 |
16700 |
14047851 |
332928 |
131903 |
27.769 % |
10/02/2016 |
| (1) BlackRock, Inc. |
Delaware |
10691404 |
0 |
12297950 |
0 |
12297950 |
5.8 % |
28/01/2016 |
| Emerson Electric Co. |
State of Texas |
0 |
350000 |
0 |
350000 |
18128478 |
33.4 % |
14/02/2014 |
| (1) BlackRock, Inc. |
Delaware |
7674835 |
0 |
9277440 |
0 |
9277440 |
4.4 % |
07/02/2014 |
| (1) BlackRock, Inc. |
Delaware |
9104416 |
0 |
10709134 |
0 |
10709134 |
5 % |
28/01/2014 |
| (1) BlackRock, Inc. |
Delaware |
5235323 |
0 |
5235323 |
0 |
5235323 |
4.95 % |
07/06/2013 |
| BNSF Master Retirement Trust |
State of Delaware |
0 |
3425000 |
0 |
0 |
3425000 |
3.2 % |
24/05/2013 |
| Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension Plan & Trust |
State of Delaware |
0 |
125000 |
0 |
0 |
125000 |
0.1 % |
24/05/2013 |
| GEICO Corporation Pension Plan Trust |
State of Delaware |
0 |
1488874 |
0 |
0 |
1488874 |
1.4 % |
24/05/2013 |
| FlightSafety International Inc. Retirement Income Plan |
State of Delaware |
0 |
350000 |
0 |
0 |
350000 |
0.3 % |
24/05/2013 |
| The Buffalo News Drivers/Distributors Pension Plan |
State of Delaware |
0 |
10000 |
0 |
0 |
10000 |
0.1 % |
24/05/2013 |
| The Buffalo News Mechanical Pension Plan |
State of Delaware |
0 |
25000 |
0 |
0 |
25000 |
0.1 % |
24/05/2013 |
| The Buffalo News Editorial Pension Plan |
State of Delaware |
0 |
125000 |
0 |
0 |
125000 |
0.1 % |
24/05/2013 |
| Dexter Pension Plan |
State of Delaware |
0 |
100000 |
0 |
0 |
100000 |
0.1 % |
24/05/2013 |
| Acme Brick Company Pension Trust |
State of Delaware |
0 |
175000 |
0 |
0 |
175000 |
0.2 % |
24/05/2013 |
| GEICO Indemnity Company |
State of Delaware |
0 |
2260533 |
0 |
0 |
2260533 |
2.1 % |
24/05/2013 |
| Government Employees Insurance Company |
State of Delaware |
0 |
3739467 |
0 |
0 |
3739467 |
3.5 % |
24/05/2013 |
| National Indemnity Company |
State of Delaware |
0 |
6000000 |
0 |
0 |
6000000 |
5.7 % |
24/05/2013 |
| Johns Manville Corporation Master Pension Trust |
State of Delaware |
0 |
1375000 |
0 |
0 |
1375000 |
1.3 % |
24/05/2013 |
| Warren E. Buffett |
State of Delaware |
0 |
14973906 |
0 |
0 |
14973906 |
14.2 % |
24/05/2013 |
| Fruit of the Loom Pension Trust |
State of Delaware |
0 |
690032 |
0 |
0 |
690032 |
0.7 % |
24/05/2013 |
| The Buffalo News Office Pension Plan |
State of Delaware |
0 |
75000 |
0 |
0 |
75000 |
0.1 % |
24/05/2013 |
| GEICO Corporation |
State of Delaware |
0 |
6000000 |
0 |
0 |
6000000 |
5.7 % |
24/05/2013 |
| Berkshire Hathaway Inc. |
State of Delaware |
0 |
14973906 |
0 |
0 |
14973906 |
14.2 % |
24/05/2013 |
| R. Ted Weschler |
State of Delaware |
1119903 |
0 |
1119903 |
0 |
1191590 |
1.1 % |
24/05/2013 |
| Lubrizol Master Trust Pension |
State of Delaware |
0 |
785000 |
0 |
0 |
785000 |
0.7 % |
24/05/2013 |
| Scott Fetzer Company Collective Investment Trust |
State of Delaware |
0 |
225000 |
0 |
0 |
225000 |
0.2 % |
24/05/2013 |
| National Indemnity Company |
State of New York |
0 |
6000000 |
0 |
0 |
6000000 |
5.7 % |
14/02/2013 |
| Acme Brick Company Pension Trust |
State of New York |
0 |
175000 |
0 |
0 |
175000 |
0.2 % |
14/02/2013 |
| Warren E. Buffett |
State of New York |
0 |
13607935 |
0 |
0 |
13607935 |
13 % |
14/02/2013 |
| Berkshire Hathaway Inc. |
State of New York |
0 |
13607935 |
0 |
0 |
13607935 |
13 % |
14/02/2013 |
| GEICO Corporation |
State of New York |
0 |
6000000 |
0 |
0 |
6000000 |
5.7 % |
14/02/2013 |
| Government Employees Insurance Company |
State of New York |
0 |
3739467 |
0 |
0 |
3739467 |
3.6 % |
14/02/2013 |
| GEICO Indemnity Company |
State of New York |
0 |
2260533 |
0 |
0 |
2260533 |
2.2 % |
14/02/2013 |
| The Buffalo News Office Pension Plan |
State of New York |
0 |
65000 |
0 |
0 |
65000 |
0.1 % |
14/02/2013 |
| The Buffalo News Editorial Pension Plan |
State of New York |
0 |
105000 |
0 |
0 |
105000 |
0.1 % |
14/02/2013 |
| The Buffalo News Mechanical Pension Plan |
State of New York |
0 |
16000 |
0 |
0 |
16000 |
0.1 % |
14/02/2013 |
| The Buffalo News Drivers/Distributors Pension Plan |
State of New York |
0 |
7000 |
0 |
0 |
7000 |
0.1 % |
14/02/2013 |
| Dexter Pension Plan |
State of New York |
0 |
90000 |
0 |
0 |
90000 |
0.1 % |
14/02/2013 |
| FlightSafety International Inc. Retirement Income Plan |
State of New York |
0 |
300000 |
0 |
0 |
300000 |
0.3 % |
14/02/2013 |
| Fruit of the Loom Pension Trust |
State of New York |
0 |
670000 |
0 |
0 |
670000 |
0.6 % |
14/02/2013 |
| GEICO Corporation Pension Plan Trust |
State of New York |
0 |
1303769 |
0 |
0 |
1303769 |
1.2 % |
14/02/2013 |
| Johns Manville Corporation Master Pension Trust |
State of New York |
0 |
1182800 |
0 |
0 |
1182800 |
1.1 % |
14/02/2013 |
| Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension Plan & Trust |
State of New York |
0 |
96000 |
0 |
0 |
96000 |
0.1 % |
14/02/2013 |
| BNSF Master Retirement Trust |
State of New York |
0 |
3410366 |
0 |
0 |
3410366 |
3.3 % |
14/02/2013 |
| Scott Fetzer Company Collective Investment Trust |
State of New York |
0 |
187000 |
0 |
0 |
187000 |
0.2 % |
14/02/2013 |
| (2) |
Delaware |
2444552 |
0 |
0 |
2444552 |
3405980 |
3.6 % |
05/02/2013 |
| GEICO Corporation Pension Plan Trust |
State of New York |
0 |
1303769 |
0 |
0 |
1303769 |
1.4 % |
10/10/2012 |
| Warren E. Buffett |
State of New York |
0 |
10197569 |
0 |
0 |
10197569 |
10.8 % |
10/10/2012 |
| Justin Brands, Inc. Union Pension Plan & Justin Brands, Inc. Pension Plan & Trust |
State of New York |
0 |
96000 |
0 |
0 |
96000 |
0.1 % |
10/10/2012 |
| Fruit of the Loom Pension Trust |
State of New York |
0 |
670000 |
0 |
0 |
670000 |
0.7 % |
10/10/2012 |
| FlightSafety International Inc. Retirement Income Plan |
State of New York |
0 |
300000 |
0 |
0 |
300000 |
0.3 % |
10/10/2012 |
| Dexter Pension Plan |
State of New York |
0 |
90000 |
0 |
0 |
90000 |
0.1 % |
10/10/2012 |
| The Buffalo News Drivers/Distributors Pension Plan |
State of New York |
0 |
7000 |
0 |
0 |
7000 |
0.1 % |
10/10/2012 |
| The Buffalo News Mechanical Pension Plan |
State of New York |
0 |
16000 |
0 |
0 |
16000 |
0.1 % |
10/10/2012 |
| Berkshire Hathaway Inc. |
State of New York |
0 |
10197569 |
0 |
0 |
10197569 |
10.8 % |
10/10/2012 |
| National Indemnity Company |
State of New York |
0 |
6000000 |
0 |
0 |
6000000 |
6.3 % |
10/10/2012 |
| GEICO Corporation |
State of New York |
0 |
6000000 |
0 |
0 |
6000000 |
6.3 % |
10/10/2012 |
| Government Employees Insurance Company |
State of New York |
0 |
3739467 |
0 |
0 |
3739467 |
3.9 % |
10/10/2012 |
| Scott Fetzer Company Collective Investment Trust |
State of New York |
0 |
187000 |
0 |
0 |
187000 |
0.2 % |
10/10/2012 |
| GEICO Indemnity Company |
State of New York |
0 |
2260533 |
0 |
0 |
2260533 |
2.4 % |
10/10/2012 |
| Acme Brick Company Pension Trust |
State of New York |
0 |
175000 |
0 |
0 |
175000 |
0.2 % |
10/10/2012 |
| The Buffalo News Office Pension Plan |
State of New York |
0 |
65000 |
0 |
0 |
65000 |
0.1 % |
10/10/2012 |
| The Buffalo News Editorial Pension Plan |
State of New York |
0 |
105000 |
0 |
0 |
105000 |
0.1 % |
10/10/2012 |
| Johns Manville Corporation Master Pension Trust |
State of New York |
0 |
1182800 |
0 |
0 |
1182800 |
1.2 % |
10/10/2012 |
| VIEX Opportunities Fund, LP – Series One* |
Pennsylvania |
130905 |
|
4867501 |
130905 |
1357934 |
4.3 % |
08/02/2012 |
| Peninsula Investment Partners, L.P. |
Delaware |
0 |
4500000 |
0 |
4500000 |
4500000 |
4.6 % |
11/02/2011 |
| Peninsula Capital Advisors, LLC |
Delaware |
0 |
4500000 |
0 |
4500000 |
4500000 |
4.6 % |
11/02/2011 |
| Capital Guardian Trust Company |
California |
540822 |
0 |
596281 |
0 |
596281 |
0.6 % |
08/02/2011 |
| Capital Group International, Inc. |
California |
540822 |
0 |
596281 |
0 |
596281 |
0.6 % |
08/02/2011 |
| (1) BlackRock, Inc. |
Delaware |
6782480 |
0 |
6782480 |
0 |
6782480 |
6.98 % |
04/02/2011 |
| Peninsula
Investment Partners, L.P. |
Delaware |
0 |
5200000 |
0 |
5200000 |
5200000 |
5 % |
04/05/2010 |
| Peninsula
Capital Advisors, LLC |
Delaware |
0 |
5200000 |
0 |
5200000 |
5200000 |
5 % |
04/05/2010 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
3529989 |
0 |
3529989 |
3.401 % |
17/02/2009 |
| FMR LLC |
Delaware |
75989 |
0 |
3529989 |
0 |
3529989 |
3.401 % |
17/02/2009 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
5887732 |
0 |
5887732 |
5.518 % |
14/02/2008 |
| FMR LLC |
Delaware |
314986 |
0 |
5887732 |
0 |
5887732 |
5.518 % |
14/02/2008 |
| 52-0556948 |
MARYLAND |
459030 |
0 |
2351353 |
0 |
2351353 |
2.2 % |
13/02/2008 |
| FMR Corp. |
Delaware |
554689 |
0 |
5451685 |
0 |
5451685 |
5.242 % |
14/02/2007 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
5451685 |
0 |
5451685 |
5.242 % |
14/02/2007 |
| 52-0556948 |
MARYLAND |
1203750 |
0 |
5409323 |
0 |
5409323 |
5.2 % |
13/02/2007 |
| FMR Corp. |
Delaware |
1052864 |
0 |
7065949 |
0 |
7065949 |
6.948 % |
14/02/2006 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
7065949 |
0 |
7065949 |
6.948 % |
14/02/2006 |
| 52-0556948 |
MARYLAND |
1208010 |
0 |
5595183 |
0 |
5595183 |
5.5 % |
13/02/2006 |
| Abigail P. Johnson |
United States of America |
0 |
0 |
8399259 |
0 |
8399259 |
8.606 % |
14/02/2005 |
| FMR Corp. |
Delaware |
1267024 |
0 |
8399259 |
0 |
8399259 |
8.606 % |
14/02/2005 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
8399259 |
0 |
8399259 |
8.606 % |
14/02/2005 |
| 52-0556948 |
MARYLAND |
947450 |
0 |
4991548 |
0 |
4991548 |
5.11 % |
10/02/2005 |
| FMR Corp. |
Delaware |
607633 |
0 |
3432890 |
0 |
3432890 |
5.389 % |
17/02/2004 |
| Abigail P. Johnson |
United States of America |
0 |
0 |
3432890 |
0 |
3432890 |
5.389 % |
17/02/2004 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
3432890 |
0 |
3432890 |
5.389 % |
17/02/2004 |
| 06-1059331 |
Delaware |
0 |
3006423 |
0 |
0 |
3789290 |
6 % |
13/02/2004 |
| 06-0861092 |
Delaware |
0 |
3006423 |
0 |
0 |
3789290 |
6 % |
13/02/2004 |
| 52-0556948 |
MARYLAND |
894100 |
0 |
4979533 |
0 |
4979533 |
7.8 % |
05/02/2004 |
| 06-0861092 |
Delaware |
0 |
3789290 |
0 |
3789290 |
3789290 |
6 % |
27/01/2004 |
| 06-1059331 |
Delaware |
0 |
3789290 |
0 |
3789290 |
3789290 |
6 % |
27/01/2004 |
| Abigail P. Johnson |
United States of America |
0 |
0 |
3054503 |
0 |
3054503 |
4.554 % |
10/09/2003 |
| FMR Corp. |
Delaware |
406810 |
0 |
3054503 |
0 |
3054503 |
4.554 % |
10/09/2003 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
3054503 |
0 |
3054503 |
4.554 % |
10/09/2003 |
| 52-0556948 |
MARYLAND |
1048650 |
0 |
6223183 |
0 |
6223183 |
10.2 % |
08/04/2003 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
6584973 |
0 |
6584973 |
10.221 % |
13/02/2003 |
| Abigail P. Johnson |
United States of America |
0 |
0 |
6584973 |
0 |
6584973 |
10.221 % |
13/02/2003 |
| FMR Corp. |
Delaware |
804930 |
0 |
6584973 |
0 |
6584973 |
10.221 % |
13/02/2003 |
| 52-0556948 |
MARYLAND |
856644 |
0 |
6040382 |
0 |
6044953 |
9.9 % |
28/01/2003 |
| FMR Corp. |
Commonwealth of Massachusetts |
804930 |
0 |
6798322 |
0 |
6798322 |
10.518 % |
10/12/2002 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
6798322 |
0 |
6798322 |
10.518 % |
10/12/2002 |
| Abigail P. Johnson |
United States of America |
0 |
0 |
6798322 |
0 |
6798322 |
10.518 % |
10/12/2002 |
| Maverick Capital, Ltd. - 75-2482446 |
Texas |
0 |
0 |
0 |
0 |
0 |
0 % |
15/03/2002 |
| 52-0556948 |
MARYLAND |
778600 |
0 |
6309825 |
0 |
6431739 |
7.5 % |
22/02/2002 |
| FMR Corp. |
Commonwealth of Massachusetts |
673199 |
0 |
6499157 |
0 |
6499157 |
7.272 % |
14/02/2002 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
6499157 |
0 |
6499157 |
7.272 % |
14/02/2002 |
| Abigail P. Johnson |
United States of America |
0 |
0 |
6499157 |
0 |
6499157 |
7.272 % |
14/02/2002 |
| 52-0556948 |
MARYLAND |
992178 |
0 |
6309825 |
0 |
6431739 |
7.5 % |
11/02/2002 |
| Massachusetts Financial Services Company ("MFS") |
Delaware |
3370785 |
0 |
3850820 |
0 |
3850820 |
4.6 % |
11/02/2002 |
| Massachusetts Financial Services Company ("MFS") |
Delaware |
8650124 |
0 |
10207262 |
0 |
10207262 |
12.5 % |
17/11/2000 |
| Massachusetts Financial Services Company ("MFS") |
Delaware |
0 |
0 |
0 |
0 |
0 |
0 % |
17/11/2000 |
| Massachusetts Financial Services Company ("MFS") |
Delaware |
0 |
0 |
0 |
0 |
0 |
0 % |
17/11/2000 |
| Massachusetts Financial Services Company ("MFS") |
Delaware |
8774183 |
0 |
10478067 |
0 |
10478067 |
12.9 % |
11/02/2000 |
| 52-0556948 |
MARYLAND |
792000 |
0 |
3254533 |
0 |
3254533 |
4 % |
08/12/1999 |
| 52-0556948 |
MARYLAND |
1398300 |
0 |
8176733 |
0 |
8176733 |
10 % |
10/05/1999 |
| Massachusetts Financial Services Company ("MFS") |
Delaware |
9356106 |
0 |
9569751 |
0 |
9569751 |
11.8 % |
20/04/1999 |
| 13-3043476 |
DELAWARE |
0 |
0 |
0 |
0 |
3975562 |
4.91 % |
10/02/1999 |
| WILLIAM C. MORRIS |
UNITED STATES |
0 |
0 |
0 |
0 |
3975562 |
4.91 % |
10/02/1999 |
| WILLIAM C. MORRIS |
UNITED STATES |
0 |
0 |
0 |
0 |
4081062 |
5.04 % |
09/02/1999 |
| 13-3043476 |
DELAWARE |
0 |
0 |
0 |
0 |
4081062 |
5.04 % |
09/02/1999 |