AMERICAN CENTURY COMPANIES INC
Position in BRK-B — Berkshire Hathaway Inc
CIK 748054
KANSAS CITY, MO
Position in BRK-B
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$263,947,672
+$26,444,542 QoQ
Shares Held
550,809
+16.6% QoQ
Ownership
0.039%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 95.59193840333037.ToString("F0")%
Shared 4.408061596669626.ToString("F0")%
None 0.ToString("F0")%
Common Shares in BRK-B Over Time
Shares Held
Position Value (USD)
Position in Insurance - Diversified
Financial Services · as of Mar 31, 2026AMERICAN CENTURY COMPANIES INC holds $653,534,514 across 7 Insurance - Diversified names. BRK-B ranks #1 (40.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BRK-B |
Berkshire Hathaway Inc
This page
|
550,809 | $263,947,672 | |
| 2 | HIG |
Hartford Insurance Group, Inc.
|
1,008,526 | $136,382,970 | |
| 3 | AIG |
American International Group, Inc.
|
1,375,525 | $103,508,256 | |
| 4 | ACGL |
Arch Capital Group Ltd.
|
939,426 | $90,175,501 | |
| 5 | PLGO |
Pelagos Insurance Capital Ltd
|
1,312,958 | $25,090,627 | |
| 6 | SLF |
Sun Life Financial Inc
|
388,494 | $24,304,184 | |
| 7 | AEG |
Aegon Ltd.
|
1,394,670 | $10,125,304 |
All Filings in BRK-B
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24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $263,947,672 | 550,809 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $237,503,130 | 472,502 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $224,242,149 | 446,040 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $210,034,317 | 432,374 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $236,010,164 | 443,145 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $220,039,789 | 485,439 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $261,354,958 | 567,842 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $231,011,956 | 567,876 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $247,374,254 | 588,258 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $291,443,649 | 817,147 | Shares | Defined | 2024-02-13 | |
| 2023-06-30 | $457,219,620 | 1,340,820 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $355,718,169 | 1,152,049 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $327,222,403 | 1,059,315 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $277,984,108 | 1,041,061 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $266,375,239 | 975,662 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $406,003,192 | 1,150,444 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $398,194,446 | 1,331,754 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $397,717,796 | 1,457,162 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $401,986,823 | 1,446,412 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $425,341,966 | 1,664,939 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $398,555,314 | 1,718,874 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $305,828,047 | 1,436,217 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $248,334,543 | 1,391,152 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $250,502,330 | 1,370,138 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||