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CSS LLC’s SiriusXM SIRI Stock Holding History

CSS LLC’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 		$231K Sell
10,000
-10,800
-52% -$232K 0.01% 723
2025
Q4 		$416K Sell
20,800
-17,500
-46% -$376K 0.02% 599
2025
Q3 		$891K Buy
38,300
+17,500
+84% +$405K 0.04% 356
2025
Q2 		$478K Hold
20,800
– – 0.02% 563
2025
Q1 		$469K Sell
20,800
-98,249
-83% -$2.31M 0.03% 494
2024
Q4 		$2.71M Sell
119,049
-19,910
-14% -$508K 0.12% 137
2024
Q3 		$3.29M Buy
138,959
+81,559
+142% +$2.53M 0.15% 110
2024
Q2 		$1.62M Buy
57,400
+50,130
+690% +$1.5M 0.08% 167
2024
Q1 		$282K Sell
7,270
-7,900
-52% -$376K 0.02% 583
2023
Q4 		$830K Sell
15,170
-3,240
-18% -$156K 0.05% 295
2023
Q3 		$832K Buy
+18,410
New +$856K 0.05% 261
2022
Q4 		– Sell
-1,000
Closed -$57K – 1083
2022
Q3 		$57K Sell
1,000
-1,450
-59% -$91.1K ﹤0.01% 872
2022
Q2 		$150K Buy
2,450
+1,400
+133% +$86.9K 0.01% 845
2022
Q1 		$69K Buy
+1,050
New +$66.1K ﹤0.01% 981
2021
Q3 		– Sell
-1,090
Closed -$71K – 1295
2021
Q2 		$71K Sell
1,090
-9,490
-90% -$595K ﹤0.01% 967
2021
Q1 		$643K Buy
+10,580
New +$645K 0.03% 529
2020
Q2 		– Sell
-1,990
Closed -$98K – 749
2020
Q1 		$98K Buy
+1,990
New +$130K 0.01% 497
2019
Q3 		– Sell
-150
Closed -$8K – 768
2019
Q2 		$8K Sell
150
-530
-78% -$30.1K ﹤0.01% 790
2019
Q1 		$39K Buy
+680
New +$40.5K ﹤0.01% 503
2018
Q3 		– Sell
-3,890
Closed -$263K – 564
2018
Q2 		$263K Buy
+3,890
New +$263K 0.01% 374
2017
Q3 		– Sell
-500
Closed -$27K – 654
2017
Q2 		$27K Sell
500
-1,000
-67% -$51.1K ﹤0.01% 613
2017
Q1 		$78K Buy
+1,500
New +$73.7K ﹤0.01% 584

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

CSS LLC's SIRI Position: Q1 2026 in Review

CSS LLC increased its SiriusXM (SIRI) stake by 72% in Q1 2026, buying an estimated $86.6K and bringing the position to 9,599 shares worth $222K. The position accounts for 0.01% of the portfolio, ranked #732.

CSS LLC first reported a position in SIRI in Q4 2013 and has held it in 18 quarters since. The position peaked at $712K in Q3 2024. 559 funds tracked by Wall St. Rank hold SIRI as of Q1 2026.

  • CSS LLC held 9,599 shares of SiriusXM worth $222K as of Q1 2026.
  • CSS LLC bought 4,027 SiriusXM shares in Q1 2026, an estimated $86.6K.
  • SiriusXM made up 0.01% of CSS LLC's portfolio in Q1 2026, its #732 holding.
  • CSS LLC first reported a position in SiriusXM in Q4 2013 and has held it in 18 quarters since.
  • CSS LLC's SiriusXM position peaked at $712K in Q3 2024.
  • 559 funds tracked by Wall St. Rank held SiriusXM as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.