Adage Capital Partners
SIRI icon

Adage Capital Partners’s SiriusXM SIRI Stock Holding History

Adage Capital Partners’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 		$2.46M Sell
106,402
-100,000
-48% -$2.15M ﹤0.01% 825
2025
Q4 		$4.13M Sell
206,402
-50,000
-20% -$1.07M 0.01% 782
2025
Q3 		$5.97M Sell
256,402
-275,000
-52% -$6.36M 0.01% 715
2025
Q2 		$12.2M Hold
531,402
– – 0.02% 572
2025
Q1 		$12M Sell
531,402
-119,320
-18% -$2.81M 0.02% 548
2024
Q4 		$14.8M Sell
650,722
-600,000
-48% -$15.3M 0.03% 509
2024
Q3 		$29.6M Buy
+1,250,722
New +$38.8M 0.05% 349
2023
Q3 		– Sell
-15,357
Closed -$696K – 930
2023
Q2 		$696K Buy
+15,357
New +$580K ﹤0.01% 776
2021
Q3 		– Sell
-225,000
Closed -$14.7M – 1061
2021
Q2 		$14.7M Buy
+225,000
New +$14.1M 0.03% 574
2020
Q3 		– Sell
-678,439
Closed -$39.8M – 805
2020
Q2 		$39.8M Buy
+678,439
New +$38M 0.1% 226
2015
Q1 		– Sell
-450,000
Closed -$15.8M – 752
2014
Q4 		$15.8M Buy
450,000
+350,000
+350% +$12M 0.04% 454
2014
Q3 		$3.49M Buy
+100,000
New +$3.5M 0.01% 646
2014
Q2 		– Sell
-435,421
Closed -$13.9M – 737
2014
Q1 		$13.9M Buy
435,421
+425,000
+4,078% +$15M 0.04% 447
2013
Q4 		$364K Sell
10,421
-500,000
-98% -$18.7M ﹤0.01% 667
2013
Q3 		$19.8M Sell
510,421
-310,000
-38% -$11.5M 0.06% 382
2013
Q2 		$27.5M Buy
+820,421
New +$27M 0.08% 293

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

Adage Capital Partners's SIRI Position: Q1 2026 in Review

Adage Capital Partners reduced its SiriusXM (SIRI) stake by 48% in Q1 2026, selling an estimated $2.15M and leaving 106,402 shares worth $2.46M. The position accounts for ﹤0.01% of the portfolio, ranked #825.

Adage Capital Partners first reported a position in SIRI in Q2 2013 and has held it in 16 quarters since. The position peaked at $39.8M in Q2 2020. 559 funds tracked by Wall St. Rank hold SIRI as of Q1 2026.

  • Adage Capital Partners held 106,402 shares of SiriusXM worth $2.46M as of Q1 2026.
  • Adage Capital Partners sold 100,000 SiriusXM shares in Q1 2026, an estimated $2.15M.
  • SiriusXM made up ﹤0.01% of Adage Capital Partners's portfolio in Q1 2026, its #825 holding.
  • Adage Capital Partners first reported a position in SiriusXM in Q2 2013 and has held it in 16 quarters since.
  • Adage Capital Partners's SiriusXM position peaked at $39.8M in Q2 2020.
  • 559 funds tracked by Wall St. Rank held SiriusXM as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.