Sirius Xm Holdings Inc. (SIRI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

360,986,547Shares Outstanding

128,855,983Shares held by institutions

$2,708,552,763Value of institutional holdings

69.22%Institutional ownership %

3.21%Shares Changed QoQ

484No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 484 institutional investors hold a position in Sirius Xm Holdings Inc. (NASDAQ:SIRI).

The collective stake of institutional investors in Sirius Xm Holdings moved to 69.2% in December 2025, a shift down from the 72.0% reported for September 2025.
In percentage terms, this reflects as a holdings change of 3.21% quarter on quarter, and a decrease of 11.68% year over year.
Of these 484 institutional investors, 197 increased their holdings in Sirius Xm Holdings, while 150 of them reduced positions, and 137 investors maintained their exposure.
Collectively, institutional investors increased their stake in Sirius Xm Holdings to 249.87Mn shares as of December 2025, a change that is up by 7.77Mn shares quarter on quarter and down 11.45Mn shares year over year.
BERKSHIRE HATHAWAY INC's holding of 124.81Mn shares as of December 31, 2025 makes it the primary institutional investor in Sirius Xm Holdings, owning 34.57% of the stock.
Among the most significant buyers of Sirius Xm Holdings during December 2025 were NORGES BANK (2.86Mn), GOLDMAN SACHS GROUP INC (2.79Mn), Bank of New York Mellon Corp (1.45Mn), DIMENSIONAL FUND ADVISORS LP (1.41Mn), BlackRock, Inc. (1.39Mn).
Leading sellers of Sirius Xm Holdings stock in December 2025 included CITADEL ADVISORS LLC (1.69Mn), AQR CAPITAL MANAGEMENT LLC (1.33Mn), Doma Perpetual Capital Management LLC (1.09Mn), Alberta Investment Management Corp (866.23K), Kontiki Capital Management (HK) Ltd. (686.26K).
The top 10 institutional holders of Sirius Xm Holdings for the quarter ending December 2025 included BERKSHIRE HATHAWAY INC (124.81Mn), VANGUARD GROUP INC (18.32Mn), BlackRock, Inc. (10.05Mn), Kontiki Capital Management (HK) Ltd. (5.97Mn), GOLDMAN SACHS GROUP INC (4.08Mn), GEODE CAPITAL MANAGEMENT, LLC (3.69Mn), STATE STREET CORP (3.49Mn), D. E. Shaw & Co., Inc. (3.31Mn), JANE STREET GROUP, LLC (3.21Mn), LSV ASSET MANAGEMENT (3.07Mn).

484 Institutional Holders

128,855,983 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BERKSHIRE HATHAWAY INC	31 Dec, 2025	124,807,117	0	0.00%	$2,495,518,305.00
VANGUARD GROUP INC	31 Dec, 2025	18,320,515	-356,105	-1.91%	$366,318,697.00
BlackRock, Inc.	31 Dec, 2025	10,050,903	1,389,734	16.05%	$200,967,810.00
Kontiki Capital Management (HK) Ltd.	31 Dec, 2025	5,968,024	-686,265	-10.31%	$119,330,640.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	4,075,597	2,794,113	218.04%	$81,491,568.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	3,689,187	-167,067	-4.33%	$73,817,474.00
STATE STREET CORP	31 Dec, 2025	3,487,415	25,906	0.75%	$69,730,864.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	3,306,242	-409,960	-11.03%	$66,108,309.00
JANE STREET GROUP, LLC	31 Dec, 2025	3,212,715	-369,853	-10.32%	$64,238,237.00
LSV ASSET MANAGEMENT	31 Dec, 2025	3,073,200	-69,500	-2.21%	$61,449.00
CHECK CAPITAL MANAGEMENT INC/CA	31 Dec, 2025	2,883,500	821,657	39.85%	$57,655,582.00
NORGES BANK	31 Dec, 2025	2,856,916	2,856,916	0.00%	$57,124,035.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	2,518,787	585,266	30.27%	$50,363,146.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	2,375,730	-259,544	-9.85%	$47,502,728.00
THOMPSON SIEGEL & WALMSLEY LLC	31 Dec, 2025	2,313,347	-130,064	-5.32%	$46,255.00
Tidal Investments LLC	31 Dec, 2025	2,253,457	13,034	0.58%	$45,057,873.00
Bank of New York Mellon Corp	31 Dec, 2025	2,019,901	1,449,036	253.83%	$40,387,912.00
HBK INVESTMENTS L P	31 Dec, 2025	1,970,104	934,904	90.31%	$39,392,231.00
SEIZERT CAPITAL PARTNERS, LLC	31 Dec, 2025	1,900,152	-60,824	-3.10%	$37,993,540.00
CANADA PENSION PLAN INVESTMENT BOARD	31 Dec, 2025	1,875,280	246,339	15.12%	$37,496,224.00

1 - 20 of 484

Research Tools