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SIRI · Sirius Xm Holdings Inc. · Shareholders & Ownership

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$27.16 +0.32 (+1.19%) At close · Oct 20
Market Cap
$9.05B
Shares
337.07M
Volume · Oct 20 2.95M Avg daily vol (3M) 4.16M

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
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
BERKSHIRE HATHAWAY INC
Insider CIK 1067983 · Aug 4, 2025
10% Owner, issuer-wide, not summed
124,807,117
2
John C. Malone
13D CIK 937797 · Unknown · Apr 21, 2026
Item 4 purpose: Other
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
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
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
MAFFEI GREGORY B
Insider CIK 1099636 · Aug 26, 2026
Director, President, CEO, issuer-wide
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
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
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.

Showing 1–50 of 766 holders

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Key facts CIK 908937 CUSIP 829933100 13F (30d) 83 filings 81 filers Visit website Investor relations