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SIRI icon

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
Q2 		$786K Buy
26,601
+17,002
+177% +$457K 0.03% 425
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 $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 Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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

CSS LLC's SIRI Position: Q2 2026 in Review

CSS LLC increased its SiriusXM (SIRI) stake by 177% in Q2 2026, buying an estimated $457K and bringing the position to 26,601 shares worth $786K. The position accounts for 0.03% of the portfolio, ranked #425.

CSS LLC first reported a position in SIRI in Q4 2013 and has held it in 19 quarters since. 601 funds tracked by Wall St. Rank hold SIRI as of Q2 2026.

  • CSS LLC held 26,601 shares of SiriusXM worth $786K as of Q2 2026.
  • CSS LLC bought 17,002 SiriusXM shares in Q2 2026, an estimated $457K.
  • SiriusXM made up 0.03% of CSS LLC's portfolio in Q2 2026, its #425 holding.
  • CSS LLC first reported a position in SiriusXM in Q4 2013 and has held it in 19 quarters since.
  • 601 funds tracked by Wall St. Rank held SiriusXM as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.