Holocene Advisors
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Holocene Advisors’s SiriusXM SIRI Stock Holding History

Holocene Advisors’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 		– Sell
-106,754
Closed -$2.46M – 988
2026
Q1 		$2.46M Buy
+106,754
New +$2.29M 0.01% 535
2024
Q4 		– Sell
-119,557
Closed -$2.83M – 873
2024
Q3 		$2.83M Buy
+119,557
New +$3.71M 0.01% 487
2019
Q4 		– Sell
-16,610
Closed -$1.04M – 765
2019
Q3 		$1.04M Sell
16,610
-18,264
-52% -$1.12M 0.01% 485
2019
Q2 		$1.95M Buy
34,874
+31,478
+927% +$1.79M 0.02% 187
2019
Q1 		$193K Buy
3,396
+91
+3% +$5.42K ﹤0.01% 613
2018
Q4 		$189K Buy
+3,305
New +$201K ﹤0.01% 616

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

Holocene Advisors's SIRI Position: Q2 2026 in Review

Holocene Advisors sold out of SiriusXM (SIRI) in Q2 2026, closing a stake of 106,754 shares — an estimated $2.46M sold.

Holocene Advisors first reported a position in SIRI in Q4 2018 and held it in 6 quarters. The position peaked at $2.83M in Q3 2024. 600 funds tracked by Wall St. Rank hold SIRI as of Q2 2026.

  • Holocene Advisors reported no remaining SiriusXM position as of Q2 2026 after selling out during the quarter.
  • Holocene Advisors sold 106,754 SiriusXM shares in Q2 2026, an estimated $2.46M.
  • Holocene Advisors first reported a position in SiriusXM in Q4 2018 and held it in 6 quarters.
  • Holocene Advisors's SiriusXM position peaked at $2.83M in Q3 2024.
  • 600 funds tracked by Wall St. Rank held SiriusXM as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.