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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 		$222K Buy
9,599
+4,027
+72% +$86.6K 0.01% 732
2025
Q4 		$111K Sell
5,572
-9,239
-62% -$199K 0.01% 837
2025
Q3 		$345K Buy
14,811
+6,969
+89% +$161K 0.02% 645
2025
Q2 		$180K Buy
+7,842
New +$169K 0.01% 774
2025
Q1 		– Sell
-24,260
Closed -$571K – 1074
2024
Q4 		$553K Sell
24,260
-5,853
-19% -$149K 0.02% 517
2024
Q3 		$712K Buy
30,113
+22,613
+302% +$702K 0.03% 388
2024
Q2 		$212K Sell
7,500
-10,700
-59% -$320K 0.01% 672
2024
Q1 		$706K Buy
18,200
+11,242
+162% +$535K 0.04% 349
2023
Q4 		$381K Buy
+6,958
New +$334K 0.02% 496
2023
Q1 		– Sell
-66
Closed -$3.16K – 876
2022
Q4 		$3.85K Hold
66
– – ﹤0.01% 852
2022
Q3 		$4K Hold
66
– – ﹤0.01% 1007
2022
Q2 		$4K Hold
66
– – ﹤0.01% 1067
2022
Q1 		$4K Buy
+66
New +$4.15K ﹤0.01% 1139
2021
Q2 		– Sell
-200
Closed -$12.5K – 1163
2021
Q1 		$12K Buy
+200
New +$12.2K ﹤0.01% 896
2020
Q2 		– Sell
-13,234
Closed -$654K – 750
2020
Q1 		$654K Buy
+13,234
New +$866K 0.05% 259
2014
Q3 		– Sell
-3,500
Closed -$121K – 790
2014
Q2 		$121K Hold
3,500
– – 0.01% 689
2014
Q1 		$112K Sell
3,500
-4,610
-57% -$163K 0.01% 620
2013
Q4 		$283K Buy
+8,110
New +$303K 0.01% 499

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. 560 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.
  • 560 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.