Fund shareholders of Berkshire Hathaway Inc
ISIN US0846707026 · United States · LEI 5493000C01ZX7D35SD85
- Fund shareholders
- 1,206
- Of which ETFs
- 281 925 other funds
- Value held
- ≈ 161.8B $ 159.5B $ · 265.5M € · 19.4B SEK
This issuer has other securities: Berkshire Hathaway Inc (US0846701086)
1,206 funds hold this company. This table lists the 1,200 that declare it in a regulatory filing. The other 6 publish their holdings in their own reports. The “Fund reports” tab lists them, with their weight.
| Fund | Shares | Value | Weight in fund | |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 57,128,626 | 28.6B $ | 1.24 % | as of Jun 30, 2026 ↗ |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 47,507,735 | 23.8B $ | 1.42 % | as of Jun 30, 2026 ↗ |
| iShares Core S&P 500 ETF iShares Trust | 25,218,469 | 12.6B $ | 1.42 % | as of Jun 30, 2026 ↗ |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 23,466,345 | 11.1B $ | 1.34 % | as of May 31, 2026 ↗ |
| VANGUARD VALUE INDEX FUND VANGUARD INDEX FUNDS | 14,985,762 | 7.5B $ | 2.95 % | as of Jun 30, 2026 ↗ |
| State Street(R) Financial Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 12,400,311 | 6.2B $ | 12.08 % | as of Jun 30, 2026 ↗ |
| VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 9,952,492 | 5B $ | 1.42 % | as of Jun 30, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio S&P 500(R) ETF SPDR SERIES TRUST | 4,372,262 | 2.2B $ | 1.42 % | as of Jun 30, 2026 ↗ |
| iShares Russell 1000 Value ETF iShares Trust | 4,159,295 | 2.1B $ | 2.61 % | as of Jun 30, 2026 ↗ |
| Schwab S&P 500 Index Fund SCHWAB CAPITAL TRUST | 4,094,871 | 2.1B $ | 1.45 % | as of Jul 31, 2026 ↗ |
| iShares S&P 500 Growth ETF iShares Trust | 3,870,329 | 1.9B $ | 2.58 % | as of Jun 30, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 3,465,973 | 1.6B $ | 1.19 % | as of May 31, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 2,799,621 | 1.3B $ | 1.19 % | as of May 31, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio S&P 500(R) Growth ETF SPDR SERIES TRUST | 2,736,240 | 1.4B $ | 2.58 % | as of Jun 30, 2026 ↗ |
| iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 2,358,044 | 1.2B $ | 1.25 % | as of Jun 30, 2026 ↗ |
| VANGUARD FINANCIALS INDEX FUND VANGUARD WORLD FUND | 2,224,915 | 1.1B $ | 7.85 % | as of May 31, 2026 ↗ |
| VANGUARD LARGE-CAP INDEX FUND VANGUARD INDEX FUNDS | 2,063,650 | 1B $ | 1.40 % | as of Jun 30, 2026 ↗ |
| AP7 Aktiefond Sjunde AP-fonden | 2,052,641 | 9.4B SEK | 0.70 % | as of Mar 31, 2026 ↗ |
| VIP Contrafund Portfolio Variable Insurance Products Fund II | 1,994,178 | 997.9M $ | 3.28 % | as of Jun 30, 2026 ↗ |
| Schwab U.S. Large-Cap ETF SCHWAB STRATEGIC TRUST | 1,946,912 | 923.8M $ | 1.27 % | as of May 31, 2026 ↗ |
| T. Rowe Price Value Fund, Inc. T. ROWE PRICE VALUE FUND, INC. | 1,902,352 | 951.9M $ | 2.80 % | as of Jun 30, 2026 ↗ |
| Fidelity Contrafund Fidelity Contrafund | 1,729,000 | 865.2M $ | 0.48 % | as of Jun 30, 2026 ↗ |
| American Balanced Fund American Balanced Fund | 1,706,974 | 854.2M $ | 0.30 % | as of Jun 30, 2026 ↗ |
| iShares MSCI USA Quality Factor ETF iShares Trust | 1,677,871 | 858.3M $ | 1.84 % | as of Jul 31, 2026 ↗ |
| S&P 500 Index Master Portfolio Master Investment Portfolio | 1,677,337 | 839.3M $ | 1.40 % | as of Jun 30, 2026 ↗ |
| iShares Core S&P U.S. Growth ETF iShares Trust | 1,579,050 | 790.1M $ | 2.45 % | as of Jun 30, 2026 ↗ |
| Nuveen Equity Index Fund TIAA-CREF Funds | 1,548,360 | 792M $ | 1.31 % | as of Jul 31, 2026 ↗ |
| VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS | 1,386,724 | 709.4M $ | 0.72 % | as of Jul 31, 2026 ↗ |
| VANGUARD S&P 500 GROWTH INDEX FUND VANGUARD ADMIRAL FUNDS | 1,351,567 | 641.3M $ | 2.42 % | as of May 31, 2026 ↗ |
| iShares Russell 1000 ETF iShares Trust | 1,296,401 | 648.7M $ | 1.34 % | as of Jun 30, 2026 ↗ |
| JPMorgan Large Cap Growth Fund JPMorgan Trust II | 1,210,012 | 605.5M $ | 0.50 % | as of Jun 30, 2026 ↗ |
| VANGUARD RUSSELL 1000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 1,175,310 | 557.7M $ | 2.60 % | as of May 31, 2026 ↗ |
| T. Rowe Price Equity Index 500 Fund T. ROWE PRICE INDEX TRUST, INC. | 1,129,073 | 565M $ | 1.42 % | as of Jun 30, 2026 ↗ |
| Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 1,115,789 | 529.4M $ | 0.54 % | as of May 31, 2026 ↗ |
| Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 1,112,843 | 569.3M $ | 1.29 % | as of Jul 31, 2026 ↗ |
| THE U.S. LARGE CAP VALUE SERIES DFA INVESTMENT TRUST CO | 1,096,079 | 560.7M $ | 1.82 % | as of Jul 31, 2026 ↗ |
| Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 1,085,946 | 515.3M $ | 1.19 % | as of May 31, 2026 ↗ |
| Large Cap Index Master Portfolio Master Investment Portfolio | 1,085,488 | 543.2M $ | 1.33 % | as of Jun 30, 2026 ↗ |
| Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 1,002,035 | 475.4M $ | 0.19 % | as of May 31, 2026 ↗ |
| Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 997,569 | 510.3M $ | 1.29 % | as of Jul 31, 2026 ↗ |
| College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 993,867 | 497.3M $ | 0.34 % | as of Jun 30, 2026 ↗ |
| iShares U.S. Financials ETF iShares Trust | 983,408 | 503.1M $ | 11.35 % | as of Jul 31, 2026 ↗ |
| Schwab U.S. Large-Cap Value ETF SCHWAB STRATEGIC TRUST | 923,983 | 438.4M $ | 2.82 % | as of May 31, 2026 ↗ |
| U.S. CORE EQUITY 1 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 914,576 | 467.8M $ | 1.13 % | as of Jul 31, 2026 ↗ |
| VANGUARD TAX-MANAGED CAPITAL APPRECIATION FUND VANGUARD TAX-MANAGED FUNDS | 884,919 | 442.8M $ | 1.48 % | as of Jun 30, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 878,534 | 439.6M $ | 0.69 % | as of Jun 30, 2026 ↗ |
| VANGUARD MEGA CAP VALUE INDEX FUND VANGUARD WORLD FUND | 840,586 | 398.8M $ | 3.15 % | as of May 31, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 836,976 | 418.8M $ | 1.21 % | as of Jun 30, 2026 ↗ |
| Dimensional U.S. Marketwide Value ETF Dimensional ETF Trust | 821,464 | 420.2M $ | 2.72 % | as of Jul 31, 2026 ↗ |
| U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 803,552 | 411M $ | 1.06 % | as of Jul 31, 2026 ↗ |
| College Retirement Equities Fund - S&P 500 Index Account College Retirement Equities Fund | 794,875 | 397.7M $ | 1.42 % | as of Jun 30, 2026 ↗ |
| iShares S&P 100 ETF iShares Trust | 793,923 | 397.3M $ | 1.98 % | as of Jun 30, 2026 ↗ |
| Washington Mutual Investors Fund Washington Mutual Investors Fund | 779,303 | 398.6M $ | 0.18 % | as of Jul 31, 2026 ↗ |
| Schwab Fundamental U.S. Large Company ETF SCHWAB STRATEGIC TRUST | 755,559 | 358.5M $ | 1.41 % | as of May 31, 2026 ↗ |
| Fidelity Large Cap Value Index Fund Fidelity Salem Street Trust | 735,823 | 376.4M $ | 2.57 % | as of Jul 31, 2026 ↗ |
| Columbia Contrarian Core Fund COLUMBIA FUNDS SERIES TRUST I | 710,770 | 337.2M $ | 1.83 % | as of May 31, 2026 ↗ |
| Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 702,296 | 359.3M $ | 0.75 % | as of Jul 31, 2026 ↗ |
| Investment Co of America Investment Co of America | 700,000 | 350.3M $ | 0.19 % | as of Jun 30, 2026 ↗ |
| State Street Equity 500 Index II Portfolio STATE STREET INSTITUTIONAL INVESTMENT TRUST | 694,724 | 347.6M $ | 1.38 % | as of Jun 30, 2026 ↗ |
| iShares MSCI USA Min Vol Factor ETF iShares Trust | 680,069 | 347.9M $ | 1.47 % | as of Jul 31, 2026 ↗ |
| Nuveen Large Cap Value Index Fund TIAA-CREF Funds | 679,857 | 347.8M $ | 2.56 % | as of Jul 31, 2026 ↗ |
| BNY Mellon Dynamic Value Fund BNY Mellon Advantage Funds, Inc. | 665,831 | 315.9M $ | 2.61 % | as of May 31, 2026 ↗ |
| AMG Yacktman Fund AMG Funds | 650,000 | 325.3M $ | 4.48 % | as of Jun 30, 2026 ↗ |
| Fidelity Series Large Cap Value Index Fund Fidelity Salem Street Trust | 628,683 | 321.6M $ | 2.57 % | as of Jul 31, 2026 ↗ |
| Schwab 1000 Index Fund SCHWAB INVESTMENTS | 583,812 | 298.6M $ | 1.35 % | as of Jul 31, 2026 ↗ |
| VIP Index 500 Portfolio Variable Insurance Products Fund II | 578,686 | 289.6M $ | 1.42 % | as of Jun 30, 2026 ↗ |
| Dimensional U.S. Equity Market ETF Dimensional ETF Trust | 562,323 | 287.7M $ | 1.38 % | as of Jul 31, 2026 ↗ |
| iShares U.S. Financial Services ETF iShares Trust | 550,554 | 281.6M $ | 12.96 % | as of Jul 31, 2026 ↗ |
| Stock Index Fund Northern Funds | 545,544 | 273M $ | 1.41 % | as of Jun 30, 2026 ↗ |
| Fidelity SAI U.S. Large Cap Index Fund Fidelity Salem Street Trust | 536,046 | 274.2M $ | 1.45 % | as of Jul 31, 2026 ↗ |
| Fidelity ZERO Large Cap Index Fund Fidelity Concord Street Trust | 523,845 | 268M $ | 1.43 % | as of Jul 31, 2026 ↗ |
| JNL/Mellon S&P 500 Index Fund JNL Series Trust | 518,580 | 259.5M $ | 1.42 % | as of Jun 30, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 499,607 | 250M $ | 1.28 % | as of Jun 30, 2026 ↗ |
| Invesco S&P 500 Top 50 ETF Invesco Exchange-Traded Fund Trust | 480,247 | 245.7M $ | 2.33 % | as of Jul 31, 2026 ↗ |
| Six Circles U.S. Unconstrained Equity Fund SIX CIRCLES TRUST | 467,047 | 233.7M $ | 0.65 % | as of Jun 30, 2026 ↗ |
| JPMorgan Hedged Equity Fund JPMorgan Trust I | 466,435 | 233.4M $ | 1.26 % | as of Jun 30, 2026 ↗ |
| Folksam LO Världen Swedbank Robur Fonder AB | 462,343 | 2.1B SEK | 1.50 % | as of Mar 31, 2026 ↗ |
| JPMorgan Equity Premium Income ETF J.P. Morgan Exchange-Traded Fund Trust | 461,595 | 231M $ | 0.52 % | as of Jun 30, 2026 ↗ |
| Growth Fund of America Growth Fund of America | 453,257 | 215.1M $ | 0.06 % | as of May 31, 2026 ↗ |
| iShares MSCI ACWI ETF iShares Trust | 442,883 | 226.6M $ | 0.70 % | as of Jul 31, 2026 ↗ |
| JPMorgan Value Advantage Fund JPMorgan Trust I | 432,611 | 216.5M $ | 2.51 % | as of Jun 30, 2026 ↗ |
| EQUITY INDEX PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 410,708 | 205.5M $ | 1.42 % | as of Jun 30, 2026 ↗ |
| U.S. LARGE COMPANY PORTFOLIO DIMENSIONAL INVESTMENT GROUP INC | 407,764 | 208.6M $ | 1.46 % | as of Jul 31, 2026 ↗ |
| Bridge Builder Large Cap Value Fund Bridge Builder Trust | 397,678 | 199M $ | 0.69 % | as of Jun 30, 2026 ↗ |
| JPMorgan Equity Index Fund JPMorgan Trust II | 389,547 | 194.9M $ | 1.41 % | as of Jun 30, 2026 ↗ |
| Invesco S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust | 385,791 | 197.3M $ | 0.20 % | as of Jul 31, 2026 ↗ |
| Nuveen S&P 500 Index Fund TIAA-CREF Funds | 385,351 | 197.1M $ | 1.45 % | as of Jul 31, 2026 ↗ |
| LVIP State Street S&P 500 Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 378,769 | 189.5M $ | 1.42 % | as of Jun 30, 2026 ↗ |
| LargeCap S&P 500 Index Fund Principal Funds, Inc | 377,855 | 193.3M $ | 1.45 % | as of Jul 31, 2026 ↗ |
| EQ/Equity 500 Index Portfolio EQ Advisors Trust | 375,136 | 187.7M $ | 1.41 % | as of Jun 30, 2026 ↗ |
| 500 Index Trust John Hancock Variable Insurance Trust | 374,251 | 187.3M $ | 1.41 % | as of Jun 30, 2026 ↗ |
| Fidelity MSCI Financials Index ETF FIDELITY COVINGTON TRUST | 365,258 | 186.8M $ | 7.87 % | as of Jul 31, 2026 ↗ |
| Direxion Daily Financial Bull 3X Shares Direxion Shares ETF Trust | 361,257 | 184.8M $ | 7.87 % | as of Jul 31, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF SPDR SERIES TRUST | 355,050 | 177.7M $ | 1.31 % | as of Jun 30, 2026 ↗ |
| American Mutual Fund American Mutual Fund | 351,327 | 179.7M $ | 0.15 % | as of Jul 31, 2026 ↗ |
| Invesco RAFI US 1000 ETF Invesco Exchange-Traded Fund Trust | 349,417 | 178.7M $ | 1.82 % | as of Jul 31, 2026 ↗ |
| VANGUARD MEGA CAP INDEX FUND VANGUARD WORLD FUND | 348,134 | 165.2M $ | 1.53 % | as of May 31, 2026 ↗ |
| TAX-MANAGED GROWTH PORTFOLIO Tax-Managed Growth Portfolio | 345,759 | 173M $ | 2.47 % | as of Jun 30, 2026 ↗ |
| Invesco S&P 500 Revenue ETF Invesco Exchange-Traded Fund Trust II | 335,010 | 159M $ | 1.75 % | as of May 31, 2026 ↗ |
| Victory 500 Index Fund Victory Portfolios III | 326,917 | 167.2M $ | 1.09 % | as of Jul 31, 2026 ↗ |
Funds that publish their own holdings
| Fund | Weight in fund | |
|---|---|---|
| Fidelity Funds - America Fund FIL Investment Management (Luxembourg) S.A. | 4.08 % | as of Apr 30, 2025 ↗ |
| Pictet - Family Pictet Asset Management (Europe) S.A. | 3.33 % | as of Sep 30, 2025 ↗ |
| Fidelity Funds - Institutional Global Focus Fund FIL Investment Management (Luxembourg) S.A. | 1.90 % | as of Apr 30, 2025 ↗ |
| Fidelity Funds - Global Focus Fund FIL Investment Management (Luxembourg) S.A. | 1.89 % | as of Apr 30, 2025 ↗ |
| Pictet - USA Index Pictet Asset Management (Europe) S.A. | 1.61 % | as of Sep 30, 2025 ↗ |
| Pictet - Quest AI-Driven Global Equities Pictet Asset Management (Europe) S.A. | 0.48 % | as of Sep 30, 2025 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| The Cook & Bynum Fund World Funds Trust | 17.28 % | as of Jun 30, 2026 ↗ |
| Weitz Partners III Opportunity Fund Weitz Funds | 16.17 % | as of Jun 30, 2026 ↗ |
| GoodHaven Fund GoodHaven Funds Trust | 15.91 % | as of May 31, 2026 ↗ |
| iShares U.S. Financial Services ETF iShares Trust | 12.96 % | as of Jul 31, 2026 ↗ |
| State Street(R) Financial Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 12.08 % | as of Jun 30, 2026 ↗ |
| PROFUND VP FINANCIALS ProFunds | 11.77 % | as of Jun 30, 2026 ↗ |
| iShares U.S. Financials ETF iShares Trust | 11.35 % | as of Jul 31, 2026 ↗ |
| JNL/Mellon Financial Sector Fund JNL Series Trust | 11.20 % | as of Jun 30, 2026 ↗ |
| Direxion Daily BRKB Bull 2X Shares Direxion Shares ETF Trust | 10.86 % | as of Jul 31, 2026 ↗ |
| ABSOLUTE SELECT VALUE ETF Unified Series Trust | 10.56 % | as of Jun 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 985 | +5 | 320,616,865 | -0.0 % |
| 2026Q2 | 980 | +53 | 320,776,958 | +2.8 % |
| 2026Q1 | 927 | -32 | 311,951,155 | +2.1 % |
| 2025Q4 | 959 | -6 | 305,443,111 | -2.7 % |
| 2025Q3 | 965 | -30 | 313,925,161 | -0.4 % |
| 2025Q2 | 995 | +71 | 315,328,088 | +2.6 % |
| 2025Q1 | 924 | -27 | 307,240,453 | +0.3 % |
| 2024Q4 | 951 | +2 | 306,227,978 | +1.0 % |
| 2024Q3 | 949 | +1 | 303,320,432 | -0.1 % |
| 2024Q2 | 948 | +30 | 303,545,969 | +0.5 % |
| 2024Q1 | 918 | -3 | 302,110,235 | +0.1 % |
| 2023Q4 | 921 | 301,883,868 |
Institutional managers
4,802 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 121,207,647 | 58.1B $ | as of Mar 31, 2026 |
| STATE STREET CORP | 74,099,062 | 35.5B $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 41,159,806 | 19.7B $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 26,854,441 | 12.9B $ | as of Mar 31, 2026 |
| GATES FOUNDATION TRUST | 17,048,304 | 8.2B $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 16,361,338 | 7.8B $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 15,487,316 | 7.4B $ | as of Mar 31, 2026 |
| FMR LLC | 14,953,698 | 7.2B $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11,381,789 | 5.5B $ | as of Mar 31, 2026 |
| Bank of New York Mellon Corp | 10,806,567 | 5.2B $ | as of Mar 31, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 9,823,930 | 4.7M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 9,244,668 | 4.4B $ | as of Mar 31, 2026 |
| H&H International Investment, LLC | 9,147,796 | 4.4B $ | as of Mar 31, 2026 |
| ROYAL BANK OF CANADA | 9,111,590 | 4.4B $ | as of Mar 31, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 8,845,528 | 4.2B $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 8,652,279 | 4.1B $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 7,330,725 | 3.5B $ | as of Mar 31, 2026 |
| BARCLAYS PLC | 6,181,244 | 3B $ | as of Mar 31, 2026 |
| Legal & General Group Plc | 5,895,041 | 2.8B $ | as of Mar 31, 2026 |
| Nuveen, LLC | 5,591,328 | 2.7B $ | as of Mar 31, 2026 |
| WELLS FARGO & COMPANY/MN | 5,115,578 | 2.5B $ | as of Mar 31, 2026 |
| Invesco Ltd. | 4,895,145 | 2.3B $ | as of Mar 31, 2026 |
| Amundi | 4,707,966 | 2.3B $ | as of Mar 31, 2026 |
| UBS Group AG | 4,563,946 | 2.2B $ | as of Mar 31, 2026 |
| ALLIANCEBERNSTEIN L.P. | 4,372,927 | 2.2B $ | as of Mar 31, 2026 |
Funds holding the debt of Berkshire Hathaway Inc
57 funds declare 78 bond lines of this company. The table shows the 25 largest holdings. The amount is the one the fund files. It is not a share of the debt, because no regulator publishes the amount outstanding in open access.
Cite this page
Titelia. "Fund shareholders of Berkshire Hathaway Inc". https://titelia.com/en/stocks/berkshire-hathaway-inc-US0846707026