SIRI · Sirius Xm Holdings Inc. · Shareholders & Ownership
Every disclosed holder of SIRI in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns SIRI
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 282,368,672 | 83.77% |
| Insiders (Forms 3, 4, 5) | 7,385,475 | 2.19% |
| 13D/G-only blocks | 18,420,796 | 5.47% |
| Remaining | 28,891,948 | 8.57% |
| Registered funds (N-PORT, not summed) | 65,727,584 | 19.50% |
Shares outstanding: 337,066,891, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of SIRI
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Berkshire Hathaway Inc
13F
CIK 1067983 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
124,807,117 | ||
| 1.1 |
|
124,807,117 | ||
| 2 |
|
18,420,796 | ||
| 3 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
17,602,229 | ||
| 3.1 |
iShares Core S&P Mid-Cap ETF
Fund
S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
6,453,960 | ||
| 3.2 |
iShares S&P Mid-Cap 400 Value ETF
Fund
S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
944,304 | ||
| 3.3 |
iShares Russell Mid-Cap ETF
Fund
S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
727,307 | ||
| 3.4 |
iShares Russell 1000 Value ETF
Fund
S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
396,327 | ||
| 3.5 |
iShares Russell Mid-Cap Value ETF
Fund
S000004335 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
272,380 | ||
| 4 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
10,512,352 | ||
| 4.1 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
2,544,014 | ||
| 4.2 |
U.S. Targeted Value Portfolio
Fund
S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
1,577,317 | ||
| 4.3 |
Dimensional US Small Cap Value ETF
Fund
S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
1,386,762 | ||
| 4.4 |
Dimensional U.S. Targeted Value ETF
Fund
S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
1,374,461 | ||
| 4.5 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
703,579 | ||
| 5 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
9,082,629 | ||
| 6 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
8,386,784 | ||
| 7 |
Kontiki Capital Management (HK) Ltd.
13F
CIK 1713390 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,082,824 | ||
| 8 |
|
5,992,497 | ||
| 8.1 |
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund
S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
951,169 | ||
| 8.2 |
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund
S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
289,442 | ||
| 8.3 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
61,097 | ||
| 8.4 |
State Street(R) SPDR(R) Russell 1000 Yield Focus ETF
Fund
S000051787 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
38,432 | ||
| 8.5 |
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund
S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
36,660 | ||
| 9 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
5,882,288 | ||
| 10 |
|
5,385,099 | ||
| 11 |
Boston Partners
13F
CIK 1386060 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,080,806 | ||
| 12 |
Gates Capital Management, Inc.
13F
CIK 1312908 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,539,927 | ||
| 13 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
4,247,125 | ||
| 14 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,901,488 | ||
| 15 |
LSV ASSET MANAGEMENT
13F
CIK 1050470 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,620,469 | ||
| 15.1 |
LSV Value Equity Fund
Fund
S000006448 · Registered fund · Jul 31, 2026
ADVISORS' INNER CIRCLE FUND, not summed
|
193,200 | ||
| 16 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,396,308 | ||
| 16.1 |
AQR Style Premia Alternative Fund
Fund
S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
124,472 | ||
| 16.2 |
AQR Managed Futures Strategy Fund
Fund
S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
71,462 | ||
| 16.3 |
AQR Large Cap Multi-Style Fund
Fund
S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
70,707 | ||
| 16.4 |
AQR Alternative Risk Premia Fund
Fund
S000058563 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
24,215 | ||
| 16.5 |
AQR Trend Total Return Fund
Fund
S000074759 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
2,266 | ||
| 17 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,310,550 | ||
| 18 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,012,240 | ||
| 18.1 |
BNY Mellon US Mid Cap Core Equity ETF
Fund
S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
34,385 | ||
| 19 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,007,137 | ||
| 19.1 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
7,686 | ||
| 19.2 |
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund
S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
|
6,438 | ||
| 19.3 |
Goldman Sachs Multi-Manager Global Equity Fund
Fund
S000049146 · Registered fund · Jul 31, 2026
Goldman Sachs Trust II, not summed
|
4,937 | ||
| 19.4 |
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund
S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
2,275 | ||
| 20 |
CHECK CAPITAL MANAGEMENT INC/CA
13F
CIK 1032814 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,927,799 | ||
| 20.1 |
Blue Chip Investor Fund
Fund
S000004808 · Registered fund · Jun 30, 2026
BLUE CHIP INVESTOR FUNDS, not summed
|
99,000 | ||
| 21 |
J. Goldman & Co LP
13F
CIK 1412741 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,921,651 | ||
| 22 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
2,689,681 | ||
| 23 |
CANADA PENSION PLAN INVESTMENT BOARD
13F
CIK 1283718 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,364,933 | ||
| 24 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
2,161,015 | ||
| 25 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,091,917 | ||
| 26 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,760,633 | ||
| 26.1 |
Schwab U.S. Mid-Cap ETF
Fund
S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
507,840 | ||
| 26.2 |
Schwab Fundamental U.S. Large Company ETF
Fund
S000040877 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
367,059 | ||
| 26.3 |
Schwab U.S. Large-Cap ETF
Fund
S000026632 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
199,172 | ||
| 26.4 |
Schwab Fundamental U.S. Large Company Index Fund
Fund
S000016766 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
189,739 | ||
| 26.5 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
119,863 | ||
| 27 |
Squarepoint Ops LLC
13F
CIK 1642575 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,649,327 | ||
| 28 |
Pacer Advisors, Inc.
13F
CIK 1616667 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,646,246 | ||
| 29 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,641,435 | ||
| 29.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
328 | ||
| 30 |
Pacer US Small Cap Cash Cows 100 ETF
Fund
S000055468 · Registered fund · Jul 31, 2026
Pacer Funds Trust, not summed
|
1,621,998 | ||
| 31 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,584,505 | ||
| 31.1 |
Mid Cap Index Fund
Fund
S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
122,549 | ||
| 31.2 |
FlexShares STOXX Global Broad Infrastructure Index Fund
Fund
S000042071 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
79,206 | ||
| 31.3 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
40,002 | ||
| 32 |
Tidal Investments LLC
13F
CIK 1600064 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,524,823 | ||
| 32.1 |
VistaShares Target 15 Berkshire Select Income ETF
Fund
S000090687 · Registered fund · Jul 31, 2026
Tidal Trust III, not summed
|
1,569,355 | ||
| 32.2 |
Gotham 1000 Value ETF
Fund
S000076475 · Registered fund · Jun 30, 2026
Tidal Trust I, not summed
|
24,165 | ||
| 32.3 |
Sofi Next 500 ETF
Fund
S000065094 · Registered fund · Nov 30, 2025
Tidal Trust I, not summed
|
737 | ||
| 33 |
Penserra Capital Management LLC
13F
CIK 1593324 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,432,897 | ||
| 34 |
Gotham Asset Management, LLC
13F
CIK 1510387 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,383,251 | ||
| 35 |
DEPRINCE RACE & ZOLLO INC
13F
CIK 1008894 · Registered investment adviser · Sep 30, 2026
|
1,313,103 | ||
| 36 |
PRIVATE MANAGEMENT GROUP INC
13F
CIK 1142031 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,234,502 | ||
| 37 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,188,199 | ||
| 38 |
WEITZ INVESTMENT MANAGEMENT, INC.
13F
CIK 883965 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,188,000 | ||
| 38.1 |
Weitz Multi Cap Equity Fund
Fund
S000003481 · Registered fund · Jun 30, 2026
Weitz Funds, not summed
|
650,000 | ||
| 38.2 |
Weitz Partners III Opportunity Fund
Fund
S000008514 · Registered fund · Jun 30, 2026
Weitz Funds, not summed
|
525,000 | ||
| 39 |
Procure Space ETF
Fund
S000061584 · Registered fund · Jul 31, 2026
Procure ETF Trust II, not summed
|
1,151,377 | ||
| 40 |
WisdomTree U.S. Midcap Dividend Fund
Fund
S000012393 · Registered fund · Jun 30, 2026
WisdomTree Trust, not summed
|
1,110,741 | ||
| 41 |
THOMPSON SIEGEL & WALMSLEY LLC
13F
CIK 1008322 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,072,555 | ||
| 42 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
CIK 1446194 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,037,874 | ||
| 43 |
WITTENBERG INVESTMENT MANAGEMENT, INC.
13F
CIK 1697790 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
934,864 | ||
| 44 |
|
911,488 | ||
| 45 |
Allianz Asset Management GmbH
13F
CIK 1535323 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
907,187 | ||
| 45.1 |
PIMCO RAE US Fund
Fund
S000048956 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
|
146,232 | ||
| 45.2 |
PIMCO RAE US Small Fund
Fund
S000048957 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
|
82,977 | ||
| 45.3 |
PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF
Fund
S000057225 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
|
3,542 | ||
| 46 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
882,128 | ||
| 46.1 |
First Trust Morningstar Dividend Leaders Index Fund
Fund
S000010976 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
|
339,667 | ||
| 46.2 |
First Trust Mid Cap Core AlphaDEX Fund
Fund
S000017338 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
174,343 | ||
| 46.3 |
First Trust Consumer Discretionary AlphaDEX Fund
Fund
S000017696 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
136,216 | ||
| 46.4 |
First Trust US Equity Opportunities ETF
Fund
S000010977 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
|
108,514 | ||
| 46.5 |
First Trust Mid Cap Value AlphaDEX Fund
Fund
S000031805 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
54,843 | ||
| 47 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
854,987 | ||
| 48 |
HBK INVESTMENTS L P
13F
CIK 1011443 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
848,845 | ||
| 49 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
791,961 | ||
| 50 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
738,539 |
48 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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