Equity GraphS&P 500 registers, and the 20 largest traced to filings

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AT&T

2,926 institutional managers reported a position in AT&T for the quarter ended 31-mar-2026. This page carries the register only: what AT&T owns in other companies has not been researched, so an empty holdings section here would mean nothing.

Managers reporting2,926quarter ended 31-mar-2026
Shares reported held4589msummed across all filers
Largest holderVanguard661.8m shares
CoverageRegister onlyholdings not researched

Share price

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Who owns AT&T

From institutional 13F filings for the quarter ended 31-mar-2026.

2,926 managers reported a position, together holding 4.59bn shares. The 40 largest are listed.

What this page does not show

Built from 13F filings, which report US listed, long, US custodied positions only. A register from this source is a floor rather than a level: a holder's true position can be far larger, as BlackRock's ASML stake shows at 1.28m shares in a 13F against 26.3m in its 13G/A. Holdings held through derivatives, outside US custody, or below a manager's reporting obligation do not appear. Where a holder is marked as a family, its total sums several separate filing entities and describes something no single filing describes; the constituent entities and their share counts are listed so the total can be checked. That roll-up can legitimately exceed the family's own Schedule 13G, because a 13G is filed by one legal entity: Vanguard reports Alphabet through ten advisory entities, and The Vanguard Group Inc itself reported zero after its January 2026 disaggregation.

The holdings side, meaning the stakes AT&Titself holds in other companies, is not covered here. Those sit in a company's own 10-Q and 10-K rather than in any ownership form, and reading them is hand work. The twenty largest companies have been done that way and carry both directions.