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Marathon Trading Investment Management’s SiriusXM SIRI Stock Holding History

Marathon Trading Investment 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 		– Sell
-391,200
Closed -$7.82M – 379
2025
Q4 		$7.82M Hold
391,200
– – 0.18% 53
2025
Q3 		$9.11M Hold
391,200
– – 0.63% 27
2025
Q2 		$8.99M Hold
391,200
– – 1.07% 14
2025
Q1 		$8.82M Sell
391,200
-111,900
-22% -$2.64M 1.18% 18
2024
Q4 		$11.5M Sell
503,100
-241,200
-32% -$6.15M 0.63% 39
2024
Q3 		$17.6M Buy
744,300
+664,370
+831% +$20.6M 1.59% 18
2024
Q2 		$2.26M Sell
79,930
-34,300
-30% -$1.02M 0.17% 73
2024
Q1 		$4.43M Buy
114,230
+70,750
+163% +$3.36M 0.34% 55
2023
Q4 		$2.38M Buy
43,480
+40,980
+1,639% +$1.97M 0.12% 98
2023
Q3 		$113K Buy
+2,500
New +$116K 0.01% 250

Other funds holding SIRI

Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $263B AUM 16.68% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 1-Year Est. Return

Marathon Trading Investment Management's SIRI Position: Q1 2026 in Review

Marathon Trading Investment Management sold out of SiriusXM (SIRI) in Q1 2026, closing a stake of 7,294 shares — an estimated $146K sold.

Marathon Trading Investment Management first reported a position in SIRI in Q1 2014 and held it in 14 quarters. The position peaked at $4.49M in Q3 2024. 561 funds tracked by Wall St. Rank hold SIRI as of Q1 2026.

  • Marathon Trading Investment Management reported no remaining SiriusXM position as of Q1 2026 after selling out during the quarter.
  • Marathon Trading Investment Management sold 7,294 SiriusXM shares in Q1 2026, an estimated $146K.
  • Marathon Trading Investment Management first reported a position in SiriusXM in Q1 2014 and held it in 14 quarters.
  • Marathon Trading Investment Management's SiriusXM position peaked at $4.49M in Q3 2024.
  • 561 funds tracked by Wall St. Rank held SiriusXM as of Q1 2026.

Based on Marathon Trading Investment Management's 13F filing for Q1 2026, filed 14 May 2026.