SIRIUSXM HOLDINGS INC

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SIRI·829933100·US·Common Stock·Communication Services - Entertainment-Activist

SIRI (SIRIUSXM HOLDINGS INC) is held by 192 institutional investors as of Q2 2026. Largest holders: BERKSHIRE HATHAWAY INC ($3.7B), BlackRock, Inc. ($520M), DIMENSIONAL FUND ADVISORS LP ($310.5M). Net institutional sentiment: Mixed.

192

Holders

(15 Elite)

$7.1B

Total Value

59% (204)

Consensus

120 buying - 84 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)27

Insider (Form 4)83

Activist (13D/13G)51

Congressional (STOCK Act)46

Holder Quality

44

★★★★★

Elite

34

★★★★

Strong

52

★★★

Solid

10

★★

Below

67

★

Weak

Held by 192 funds

15 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders none · Activists Jun 10, 2026 · Congress none

ActivistJCJohn C. Malone5.5%Jun 10, 2026

ActivistWarren E. Buffett37.1%Nov 14, 2025

ActivistThe Vanguard Group5.8%Apr 30, 2025

View all activist filings

Top Holders

Top Holders (192)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BERKSHIRE HATHAWAY INC	Unchanged	124.8M	$3.7B	1.2%	+32.34%	0
BlackRock, Inc.	Increased	17.6M(+82.9%)	$520M	0.0%	+15.79%	48
DIMENSIONAL FUND ADVISORS LP	Increased	10.5M(+66.8%)	$310.5M	0.1%	+14.95%	45
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	9.1M(+4.3%)	$268.3M	0.0%	+24.52%	32
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	8.4M(+1.0%)	$247.7M	0.0%	+25.67%	31
STATE STREET CORP	Increased	6M(+68.9%)	$177M	0.0%	+15.39%	45
Boston Partners	New	5.1M	$150.2M	0.1%	-2.51%	50
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.9M(+5.3%)	$115.3M	0.0%	+29.99%	32
AQR CAPITAL MANAGEMENT LLC	Increased	3.4M(+13.6%)	$98.4M	0.0%	+24.37%	34
CITADEL ADVISORS LLC	Increased	3.3M(+1.5%)	$97.8M	0.0%	+26.36%	30
Bank of New York Mellon Corp	Increased	3M(+38.3%)	$89M	0.0%	+25.65%	39
GOLDMAN SACHS GROUP INC	Decreased	3M(-23.1%)	$88.8M	0.0%	+39.54%	0
CANADA PENSION PLAN INVESTMENT BOARD	Decreased	2.4M(-38.8%)	$69.9M	0.0%	+28.32%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	1.8M(+1.2%)	$52M	0.0%	+32.32%	30
SOSquarepoint Ops LLC	Increased	1.6M(+3565.7%)	$48.7M	0.1%	-1.90%	47
MORGAN STANLEY	Decreased	1.6M(-23.9%)	$48.5M	0.0%	+31.65%	0
NORTHERN TRUST CORP	Increased	1.6M(+44.6%)	$46.8M	0.0%	+19.02%	40
Tidal Investments LLC	Increased	1.5M(+26.2%)	$45M	0.1%	+22.39%	36
GAGotham Asset Management, LLC	Increased	1.4M(+11.7%)	$40.9M	0.1%	+27.66%	32
VFVANGUARD FIDUCIARY TRUST CO	Increased	1.2M(+2.3%)	$35.1M	0.0%	+25.21%	30

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer