BRK-B — BERKSHIRE HATHAWAY INCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
24
all time
Members · 12m
0
0 buys · 0 sells · by trade date
Latest filing
07-23
2021-07-23
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
8
13F holders
3,810
top 500 listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 24Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 0 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

No dated BRK-B rows fall inside the trailing 24 months by trade date.

Members active in BRK-B

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).

No member disclosed BRK-B in the trailing 12 months.

Congressional disclosures

Newest filed firstAll 24 rows ↗
Latest congressional filings mentioning BRK-B
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2021-07-23Tommy Tuberville R–ALBUY JT (jointly owned)Traded 02-03 LATE·170d$50K–$100K
2021-05-19Jerry Moran R–KSBUYTraded 2020-03-10 LATE·435d$1K–$15Kamendment pending
2021-05-19Jerry Moran R–KSBUYTraded 2020-03-10 LATE·435d$1K–$15Kamendment pending
2021-05-02Perdue , Jr, David A —SELL partial · JT (partial sale, jointly owned)Traded 2020-04-14 LATE·383d$15K–$50Kamendment pending
2021-05-02Perdue , Jr, David A —SELL JT (jointly owned)Traded 2020-04-14 LATE·383d$100K–$250Kamendment pending
2020-09-08Jerry Moran R–KSSELL partial (partial sale, member-owned)Traded 08-21 +18d$1K–$15K
2020-09-08Jerry Moran R–KSBUY SP (spouse-owned)Traded 08-21 +18d$1K–$15K
2020-08-05Jerry Moran R–KSBUYTraded 2019-09-25 LATE·315d$1K–$15Kamendment pending
2020-04-05David Perdue R–GABUY JT (jointly owned)Traded 03-09 +27d$1K–$15K
2020-04-05David Perdue R–GABUY JT (jointly owned)Traded 03-06 +30d$15K–$50K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

All holders ↗
Top institutional holders of BRK-B for quarter 2026-03-31, 1–25 of 3,810 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date (the full holders view shows them), but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$58.1B1
derived ·§ EDGAR ↗
2VANGUARD CAPITAL MANAGEMENT LLC$56.3B1
derived ·§ EDGAR ↗
3STATE STREET CORP$35.5B1
derived ·§ EDGAR ↗
4GEODE CAPITAL MANAGEMENT, LLC$19.7B1
derived ·§ EDGAR ↗
5MORGAN STANLEY$12.9B1
derived ·§ EDGAR ↗
6VANGUARD PORTFOLIO MANAGEMENT LLC$11.4B1
derived ·§ EDGAR ↗
7GATES FOUNDATION TRUST$8.2B1
derived ·§ EDGAR ↗
8NORTHERN TRUST CORP$7.4B1
derived ·§ EDGAR ↗
9FMR LLC$7.2B1
derived ·§ EDGAR ↗
10CHARLES SCHWAB INVESTMENT MANAGEMENT INC$5.5B1
derived ·§ EDGAR ↗
11Bank of New York Mellon Corp$5.2B1
derived ·§ EDGAR ↗
12VANGUARD FIDUCIARY TRUST CO$4.9B1
derived ·§ EDGAR ↗
13H&H International Investment, LLC$4.4B1
derived ·§ EDGAR ↗
14ROYAL BANK OF CANADA$4.4B1
derived ·§ EDGAR ↗
15UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$4.2B1
derived ·§ EDGAR ↗
16BANK OF AMERICA CORP /DE/$4.1B1
derived ·§ EDGAR ↗
17DIMENSIONAL FUND ADVISORS LP$3.5B1
derived ·§ EDGAR ↗
18Legal & General Group Plc$2.8B1
derived ·§ EDGAR ↗
19Nuveen, LLC$2.7B1
derived ·§ EDGAR ↗
20WELLS FARGO & COMPANY/MN$2.5B1
derived ·§ EDGAR ↗
21Invesco Ltd.$2.3B1
derived ·§ EDGAR ↗
22Amundi$2.3B1
derived ·§ EDGAR ↗
23ALLIANCEBERNSTEIN L.P.$2.2B1
derived ·§ EDGAR ↗
24UBS Group AG$2.2B1
derived ·§ EDGAR ↗
25RAYMOND JAMES FINANCIAL INC$2.0B1
derived ·§ EDGAR ↗
Show the top 500 of 3,810 holders
Truncated by Public Filings. Top 500 of 3,810 holders shown; the rest are on EDGAR. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · BRK-B

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · BERKSHIRE HATHAWAY INC DEL

Merged timeline of congressional filings and notable-manager moves on BRK-B
DateWhoChangeSize
2026-05-15Soros Fund Management 13FNEW+133,277 sh
2026-05-15Tudor Investment Corp 13FADD+76,859 sh
2026-05-15Gotham Asset Management 13FADD+3,592 sh
2026-05-15Gates Foundation Trust 13FTRIM−2,358,460 sh
2026-05-15Ruane Cunniff & Goldfarb 13FTRIM−5,718 sh
2026-05-14Caxton Associates 13FNEW+493 sh

6 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)no rows
Congress net ($ bound)$0
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.