Millennium Management
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Millennium Management’s SiriusXM SIRI Stock Holding History

Millennium 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
Q1 		$4.39M Buy
190,400
+5,900
+3% +$127K ﹤0.01% 3094
2025
Q4 		$3.69M Buy
184,500
+8,000
+5% +$172K ﹤0.01% 3341
2025
Q3 		$4.11M Buy
176,500
+26,500
+18% +$613K ﹤0.01% 3344
2025
Q2 		$3.45M Sell
150,000
-43,600
-23% -$938K ﹤0.01% 3364
2025
Q1 		$4.36M Sell
193,600
-271,200
-58% -$6.39M ﹤0.01% 2999
2024
Q4 		$10.6M Buy
464,800
+153,800
+49% +$3.92M 0.01% 2120
2024
Q3 		$6.7M Buy
311,000
+61,000
+24% +$1.89M ﹤0.01% 2572
2024
Q2 		$7.08M Sell
250,000
-375,000
-60% -$11.2M ﹤0.01% 2385
2024
Q1 		$24.3M Buy
625,000
+146,180
+31% +$6.95M 0.01% 1396
2023
Q4 		$26.2M Buy
478,820
+242,610
+103% +$11.7M 0.01% 1321
2023
Q3 		$10.7M Sell
236,210
-38,790
-14% -$1.8M 0.01% 1993
2023
Q2 		$12.5M Buy
275,000
+175,000
+175% +$6.61M 0.01% 1798
2023
Q1 		$3.97M Buy
100,000
+59,890
+149% +$2.87M ﹤0.01% 2810
2022
Q4 		$2.34M Buy
+40,110
New +$2.47M ﹤0.01% 3450
2022
Q2 		– Sell
-15,000
Closed -$993K – 7447
2022
Q1 		$993K Hold
15,000
– – ﹤0.01% 4525
2021
Q4 		$953K Buy
+15,000
New +$938K ﹤0.01% 4449

Other funds holding SIRI

Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $263B AUM 16.68% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
KCMH
Kontiki Capital Management (HK) Hong Kong $1.43B AUM 9.81% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Millennium Management's SIRI Position: Q1 2026 in Review

Millennium Management increased its SiriusXM (SIRI) stake by 109% in Q1 2026, buying an estimated $5.7M and bringing the position to 509,053 shares worth $11.7M. The position accounts for ﹤0.01% of the portfolio, ranked #2022.

Millennium Management first reported a position in SIRI in Q2 2013 and has held it in 52 quarters since. The position peaked at $75.8M in Q4 2021. 559 funds tracked by Wall St. Rank hold SIRI as of Q1 2026.

  • Millennium Management held 509,053 shares of SiriusXM worth $11.7M as of Q1 2026.
  • Millennium Management bought 265,218 SiriusXM shares in Q1 2026, an estimated $5.7M.
  • SiriusXM made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #2022 holding.
  • Millennium Management first reported a position in SiriusXM in Q2 2013 and has held it in 52 quarters since.
  • Millennium Management's SiriusXM position peaked at $75.8M in Q4 2021.
  • 559 funds tracked by Wall St. Rank held SiriusXM as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.