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 		$1.59M Sell
68,800
-326,600
-83% -$7.02M ﹤0.01% 4070
2025
Q4 		$7.91M Buy
395,400
+14,500
+4% +$312K ﹤0.01% 2529
2025
Q3 		$8.87M Buy
380,900
+55,900
+17% +$1.29M ﹤0.01% 2511
2025
Q2 		$7.47M Hold
325,000
– – ﹤0.01% 2570
2025
Q1 		$7.33M Sell
325,000
-136,500
-30% -$3.22M ﹤0.01% 2492
2024
Q4 		$10.5M Buy
461,500
+14,100
+3% +$360K 0.01% 2127
2024
Q3 		$7.71M Buy
447,400
+396,970
+787% +$12.3M ﹤0.01% 2431
2024
Q2 		$1.43M Buy
50,430
+430
+0.9% +$12.8K ﹤0.01% 3817
2024
Q1 		$1.94M Sell
50,000
-11,310
-18% -$538K ﹤0.01% 3766
2023
Q4 		$3.35M Sell
61,310
-80,920
-57% -$3.89M ﹤0.01% 3142
2023
Q3 		$6.43M Sell
142,230
-207,040
-59% -$9.62M ﹤0.01% 2461
2023
Q2 		$15.8M Buy
349,270
+291,700
+507% +$11M 0.01% 1606
2023
Q1 		$2.29M Buy
+57,570
New +$2.76M ﹤0.01% 3309
2022
Q4 		– Sell
-35,000
Closed -$2M – 7006
2022
Q3 		$2M Buy
+35,000
New +$2.2M ﹤0.01% 3743
2022
Q1 		– Sell
-8,760
Closed -$556K – 7433
2021
Q4 		$556K Buy
8,760
+5,760
+192% +$360K ﹤0.01% 4948
2021
Q3 		$183K Sell
3,000
-126,880
-98% -$7.98M ﹤0.01% 6164
2021
Q2 		$8.49M Buy
129,880
+104,880
+420% +$6.58M 0.01% 2114
2021
Q1 		$1.52M Buy
+25,000
New +$1.52M ﹤0.01% 3789
2013
Q3 		– Sell
-30,000
Closed -$1M – 3545
2013
Q2 		$1M Buy
+30,000
New +$986K ﹤0.01% 1962

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.