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SIRI · NASDAQ · Broadcasting

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Breakdown13F · Form 4

Institutions 86.03%Insiders —

Shares outstanding 337.07M · Float 311.14M · 92.3% free float

Insiders — no current Form 4 position.

A Form 4 total here can count shares the filer formally disclaims — an award voted by proxy, for instance — which the holder's own Schedule 13D/G excludes, so where the two disagree the schedule's smaller figure is used.

Top shareholders13F · 13D/G · Form 4

Holder	Shares	% outstanding	Form	Filed
Berkshire Hathaway Inc	124.81M	37.03%	13F	Aug 14, 2026
Warren E. Buffett	124.81M	37.10%	13G	Nov 14, 2025
John C. Malone	18.42M	5.50%	13D	Jun 10, 2026
BlackRock, Inc.	17.60M	5.22%	13F	Aug 7, 2026
Dimensional Fund Advisors LP	10.51M	3.12%	13F	Aug 11, 2026

Institutions13F, as of Jun 30, 2026

638 holders · 289.99M shares · 113 new positions · 327 increased · 148 reduced · 72 closed

Holder	Shares	% outstanding	Chg q/q	Filed
Berkshire Hathaway Inc	124.81M	37.03%	0	Aug 14, 2026
BlackRock, Inc.	17.60M	5.22%	+7.98M	Aug 7, 2026
Dimensional Fund Advisors LP	10.51M	3.12%	+4.21M	Aug 11, 2026
Vanguard Portfolio Management LLC	9.08M	2.69%	+377.9K	Aug 13, 2026
Vanguard Capital Management LLC	8.39M	2.49%	+83.2K	Aug 13, 2026
Kontiki Capital Management (HK) Ltd.	6.08M	1.80%	+386.1K	Aug 12, 2026
State Street Corp	5.99M	1.78%	+2.44M	Aug 7, 2026
Boston Partners	5.08M	1.51%	+5.08Mnew	Aug 4, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder	% of class	Shares	Form	Filed
Warren E. Buffett	37.10%	124.81M	13G	Nov 14, 2025 ↗
Berkshire Hathaway Inc.incl. Warren E. Buffett, National Indemnity Company +8 more	31.01%	105.16M	13G	Sep 19, 2024 ↗
John C. Malone	5.50%	18.42M	13D	Jun 10, 2026 ↗

InsidersForm 4

Insider	Role	Shares	Filed
Berkshire Hathaway Inc	10 percent owner	105.16M	Aug 4, 2025

3 ten-percent owners hold 107.71M shares by Form 4 — the 13D/G table above shows those stakes, the figure above counts officers and directors only · 31 people have not refiled in the last 18 months (322.22M shares), so they are not in the figure above

Latest trades

Nothing filed in the last 12 months.

CongressHouse and Senate disclosures

Member	Type	Amount	Owner	Traded	Disclosed
Sen. John W. Hickenlooper · CO	Sale	$50,001 – $100,000	Spouse	Feb 5, 2026	Mar 4, 2026 ↗