Vanguard Portfolio Management
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Vanguard Portfolio Management’s SiriusXM SIRI Stock Holding History

Vanguard Portfolio Management’s Portfolio SIRI Stock Details SIRI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$268M Buy
9,082,629
+377,881
+4% +$10.2M 0.01% 1051
2026
Q1 		$201M Buy
+8,704,748
New +$187M 0.01% 1145

Other funds holding SIRI

Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $299B AUM 27.55% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
KCMH
Kontiki Capital Management (HK) Hong Kong $1.52B AUM 10.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CCM
Check Capital Management Costa Mesa, California $7.52B AUM 15.3% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
GCM
Gates Capital Management New York $4.16B AUM 21% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management's SIRI Position: Q2 2026 in Review

Vanguard Portfolio Management increased its SiriusXM (SIRI) stake by 4.3% in Q2 2026, buying an estimated $10.2M and bringing the position to 9,082,629 shares worth $268M. The position accounts for 0.01% of the portfolio, ranked #1051.

Vanguard Portfolio Management first reported a position in SIRI in Q1 2026 and has held it in 2 quarters since. 584 funds tracked by Wall St. Rank hold SIRI as of Q2 2026.

  • Vanguard Portfolio Management held 9,082,629 shares of SiriusXM worth $268M as of Q2 2026.
  • Vanguard Portfolio Management bought 377,881 SiriusXM shares in Q2 2026, an estimated $10.2M.
  • SiriusXM made up 0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1051 holding.
  • Vanguard Portfolio Management first reported a position in SiriusXM in Q1 2026 and has held it in 2 quarters since.
  • 584 funds tracked by Wall St. Rank held SiriusXM as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.