Security key
084670108
CUSIP: 084670108
Security key
084670108
Report period
Q4 2025
Institutions
1,392
Top holders
10
Broader feeds
Reporting periods
Recent filing periods:
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Warren E. Buffett |
13D/G
|
— |
38%
|
196,317
|
— | -$1,357,560,000 | 10 Nov 2025 | |
| FMR LLC |
13F
13D/G
|
Company |
4.7%
from 13D/G
|
8,889,905
mixed-class rows
|
$24,868,126,490 | — | 30 Sep 2025 | |
| VISTA CAPITAL PARTNERS, INC. |
13F
|
Company |
1%
|
5,413
|
$2,721,332 | — | 30 Sep 2025 | |
| 360 Financial, Inc. |
13F
|
Company |
0.65%
|
3,408
|
$1,713,338 | — | 30 Sep 2025 | |
| NATURAL INVESTMENTS, LLC |
13F
|
Company |
0.46%
|
2,378
|
$2,702,000 | — | 30 Sep 2025 | |
| Graham Holdings Co Master Retirement Trust |
13F
|
Company |
0.16%
|
829
|
$625,232,000 | — | 30 Sep 2025 | |
| WELLCOME TRUST LTD (THE) as trustee of the WELLCOME TRUST |
13F
|
Company |
0.13%
|
700
|
$527,940,000 | — | 30 Sep 2025 | |
| SoundView Advisors Inc. |
13F
|
Company |
0.1%
|
508
|
$255,000 | — | 30 Sep 2025 | |
| ALLEN HOLDING INC /NY |
13F
|
Company |
0.06%
|
330
|
$248,886,000 | — | 30 Sep 2025 | |
| Virtu Financial LLC |
13F
|
Company |
0.06%
|
297
|
$223,997,000 | — | 30 Sep 2025 | |
| WINTON GROUP Ltd |
13F
|
Company |
0.04%
|
217
|
$163,661,400 | — | 30 Sep 2025 | |
| Punch Card Management L.P. |
13F
|
Company |
0.03%
|
145
|
$109,359,000 | — | 30 Sep 2025 | |
| GENERAL AMERICAN INVESTORS CO INC |
13F
|
Company |
0.02%
|
110
|
$82,962,000 | — | 30 Sep 2025 | |
| Ninety One SA (PTY) Ltd |
13F
|
Company |
0.02%
|
91
|
$68,213,638 | — | 30 Sep 2025 | |
| Chou Associates Management Inc. |
13F
|
Company |
0.02%
|
86
|
$64,861,222 | — | 30 Sep 2025 | |
| FLOW TRADERS U.S. LLC |
13F
|
Company |
0.01%
|
77
|
$58,073,000 | — | 30 Sep 2025 | |
| RBF Capital, LLC |
13F
|
Company |
0.01%
|
76
|
$57,319,200 | — | 30 Sep 2025 | |
| GREENLEA LANE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.01%
|
67
|
$50,531,400 | — | 30 Sep 2025 | |
| NORTHWESTERN UNIVERSITY |
13F
|
Company |
0.01%
|
66
|
$49,777,200 | — | 30 Sep 2025 | |
| I.G.Y. Ltd |
13F
|
Company |
0.01%
|
65
|
$49,023,000 | — | 30 Sep 2025 | |
| Global Frontier Investments LLC |
13F
|
Company |
0.01%
|
44
|
$33,185,000 | — | 30 Sep 2025 | |
| Hardy Reed LLC |
13F
|
Company |
0.01%
|
36
|
$27,151,200 | — | 30 Sep 2025 | |
| Perennial Advisors, LLC |
13F
|
Company |
0.01%
|
33
|
$24,888,600 | — | 30 Sep 2025 | |
| 7G CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.01%
|
30
|
$22,626,000 | — | 30 Sep 2025 | |
| Onex Canada Asset Management Inc. |
13F
|
Company |
0%
|
22
|
$16,592,400 | — | 30 Sep 2025 | |
| Matthew 25 Management Corp |
13F
|
Company |
0%
|
17
|
$12,821,400 | — | 30 Sep 2025 | |
| FIDUCIARY COUNSELLING INC |
13F
|
Company |
0%
|
15
|
$11,313,000 | — | 30 Sep 2025 | |
| Rubicon Global Capital Ltd |
13F
|
Company |
0%
|
13
|
$9,804,600 | — | 30 Sep 2025 | |
| Cassaday & Co Wealth Management LLC |
13F
|
Company |
0%
|
10
|
$7,542,000 | — | 30 Sep 2025 | |
| EQUITABLE TRUST CO |
13F
|
Company |
0%
|
7
|
$5,279,400 | — | 30 Sep 2025 | |
| KP Management LLC |
13F
|
Company |
0%
|
6
|
$4,525,200 | — | 30 Sep 2025 | |
| PATRIOT INVESTMENT MANAGEMENT GROUP, INC. |
13F
|
Company |
0%
|
6
|
$4,525,200 | — | 30 Sep 2025 | |
| Pine Ridge Advisers LLC |
13F
|
Company |
0%
|
5
|
$3,771,000 | — | 30 Sep 2025 | |
| St. Louis Trust Co |
13F
|
Company |
0%
|
5
|
$3,771,000 | — | 30 Sep 2025 | |
| SANTA MONICA PARTNERS LP |
13F
|
Company |
0%
|
4
|
$3,017,000 | — | 30 Sep 2025 | |
| University of Maryland Foundation, Inc. |
13F
|
Company |
0%
|
4
|
$3,017,000 | — | 30 Sep 2025 | |
| Aegis Wealth Management LLC |
13F
|
Company |
0%
|
4
|
$3,016,800 | — | 30 Sep 2025 | |
| Black Diamond Capital Management I, LLLP |
13F
|
Company |
0%
|
4
|
$3,016,800 | — | 30 Sep 2025 | |
| BOURNE LENT ASSET MANAGEMENT INC |
13F
|
Company |
0%
|
4
|
$3,016,800 | — | 30 Sep 2025 | |
| Fortress Wealth Management, Inc. |
13F
|
Company |
0%
|
4
|
$3,016,800 | — | 30 Sep 2025 | |
| LGL PARTNERS, LLC |
13F
|
Company |
0%
|
4
|
$3,016,800 | — | 30 Sep 2025 | |
| Quantessence Capital LLC |
13F
|
Company |
0%
|
4
|
$3,016,800 | — | 30 Sep 2025 | |
| Turim 21 Investimentos Ltda. |
13F
|
Company |
0%
|
4
|
$3,016,800 | — | 30 Sep 2025 | |
| FINANCIAL MANAGEMENT NETWORK INC |
13F
|
Company |
0%
|
4
|
$3,003,000 | — | 30 Sep 2025 | |
| FIRST NATIONAL CORP /MA/ /ADV |
13F
|
Company |
0%
|
4
|
$2,983,625 | — | 30 Sep 2025 | |
| Asset Allocation & Management Company, LLC |
13F
|
Company |
0%
|
3
|
$2,263,000 | — | 30 Sep 2025 | |
| Cypress Point Wealth Management, LLC |
13F
|
Company |
0%
|
3
|
$2,262,600 | — | 30 Sep 2025 | |
| FAS Wealth Partners, Inc. |
13F
|
Company |
0%
|
3
|
$2,262,600 | — | 30 Sep 2025 | |
| Holcombe Financial, Inc. |
13F
|
Company |
0%
|
3
|
$2,262,600 | — | 30 Sep 2025 | |
| JNBA Financial Advisors |
13F
|
Company |
0%
|
3
|
$2,262,600 | — | 30 Sep 2025 |
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).