29
distinct reported positions
Public filings through 2026-05-15$263,095,703,570reported table value
Top 10 positions90.72%
Share of reported value, not total assetsStarting the interactive map
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21 / Quarterly holdingsPositions, with perspective.
Follow the disclosed portfolio.
What changed
between quarters?
Newly reported positions. Changing quantities. Growing concentrations. Compare the snapshots—and open the records behind each change.
3 selected managers · 7 filings · scope & sources
Berkshire Hathaway, JPMorgan Chase and Pershing Square Capital Management selected by exact SEC CIK. Complete as-filed tables for these managers in two publication windows; not all managers, assets or trading activity. Notices remain notices and do not become empty portfolios.
Captured through 2026-09-17T00:06:56.176Z. Publication windows contain filings, including late amendments—not necessarily holdings for that same window. The map counts managers by their latest collected cover-page state, not where investments or trades occurred.
Positions match exact CUSIP + share/principal unit + put/call. Discretion-split rows within a report are added; managers are never added together. Class descriptions and all source rows remain visible. Values are normalized to dollars using the filing-date unit change on January 3, 2023.
Small reportable holdings may be omitted under reporting rules. Concentration means share of reported table value, not total assets under management. Options/principal amounts are separate positions, not converted to ordinary shares.
First capture; no earlier collection-change history.
Download collection indexSEC archive · 01jun2026-31aug2026 ↗
11,852 submissions
scanned · SHA-256 4db97d5652e262de51617971104e06313211de4d092e6bcb5d7bf34ee7efe054
SEC archive · 01mar2026-31may2026 ↗
11,761 submissions
scanned · SHA-256 05f4da8f526cd471a387af45661a8cb3bbfaf345d3ec9c2cefd31349aa257e63
Berkshire Hathaway Inc
CIK 0001067983 · Omaha, NE29
distinct reported positions
Public filings through 2026-08-14$299,253,556,246reported table value
Top 10 positions88.47%
Share of reported value, not total assets01 / Compare the snapshots
The reported changes
Quantities are not split-adjusted. “Newly reported” and “no longer reported” describe disclosure differences, not confirmed purchases or exits. Concentration can change with market prices without any trade.
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Originals, amendments & notices
A restatement replaces the previous table. A new-holdings amendment adds entries. Superseded filings stay visible; their rows are not counted twice.
Holdings at 2026-03-31
Holdings at 2026-06-30
Follow a shared identifier
Explore this manager’s overlap across selected peer companies →Exact manager CIK. The shared-investor collection uses its own frozen holdings release and explicit company/security mappings; overlapping reports do not establish independent ownership or control.
Explore NE wage and employment context →Cover-page business geography only. Statewide earnings are not a return measure or an effect of this manager’s investments.