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SiriusXM
SIRI

543 hedge funds and large institutions have $5.66B invested in SiriusXM in 2025 Q3 according to their latest regulatory filings, with 72 funds opening new positions, 145 increasing their positions, 176 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed

169% more call options, than puts

Call options by funds: $471M | Put options by funds: $175M

11% more funds holding in top 10

Funds holding in top 10: 9 → 10 (+1)

4% more first-time investments, than exits

New positions opened: 72 | Existing positions closed: 69

0% more capital invested

Capital invested by funds: $5.65B → $5.66B (+$5.42M)

0.63% less ownership

Funds ownership: 72.81% → 72.17% (-0.63%)

1% less funds holding

Funds holding: 549 → 543 (-6)

18% less repeat investments, than reductions

Existing positions increased: 145 | Existing positions reduced: 176

Holders
543
Holders Change
-6
Holders Change %
-1.09%
% of All Funds
7.13%
Holding in Top 10
10
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+11.11%
% of All Funds
0.13%
New
72
Increased
145
Reduced
176
Closed
69
Calls
$471M
Puts
$175M
Net Calls
+$296M
Net Calls Change
+$8.76M

Top Buyers

1
Berkshire Hathaway
Berkshire Hathaway
Nebraska
+$116M
2
Citadel Advisors
Citadel Advisors
Florida
+$42.4M
3
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board
Ontario, Canada
+$35M
4
Two Sigma Investments
Two Sigma Investments
New York
+$32.6M
5
CCM
Check Capital Management
California
+$20.7M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
-$65.2M
2
AQR Capital Management
AQR Capital Management
Connecticut
-$55.7M
3
Millennium Management
Millennium Management
New York
-$41.3M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$36.6M
5
Bank of America
Bank of America
North Carolina
-$26M
Name Holding Trade Value Shares
Change 		Change in
Stake
Berkshire Hathaway
1
Berkshire Hathaway
Nebraska
$2.9B +$116M +5,030,425 +4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$435M -$15M -647,335 -3%
BlackRock
3
BlackRock
New York
$202M -$128K -5,554 -0.1%
KCMH
4
Kontiki Capital Management (HK)
Hong Kong
$155M -$2M -86,247 -1%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$89.8M -$1.99M -85,917 -2%
D.E. Shaw & Co
6
D.E. Shaw & Co
New York
$86.5M -$10.6M -458,410 -11%
State Street
7
State Street
Massachusetts
$80.6M -$5.27M -227,616 -6%
LSV Asset Management
8
LSV Asset Management
Illinois
$73.1M -$1.18M -50,900 -2%
AQR Capital Management
9
AQR Capital Management
Connecticut
$63.4M -$55.7M -2,409,059 -46%
Ameriprise
10
Ameriprise
Minnesota
$61.3M +$2.77M +119,755 +5%
Citadel Advisors
11
Citadel Advisors
Florida
$57.7M +$42.4M +1,830,747 +283%
TSW
12
Thompson Siegel & Walmsley
Virginia
$56.9M +$235K +10,152 +0.4%
Morgan Stanley
13
Morgan Stanley
New York
$50.5M -$15.4M -667,213 -24%
CCM
14
Check Capital Management
California
$48M +$20.7M +895,247 +77%
SCP
15
Seizert Capital Partners
Michigan
$45.6M -$1.87M -80,884 -4%
Two Sigma Investments
16
Two Sigma Investments
New York
$45M +$32.6M +1,410,963 +270%
Canada Pension Plan Investment Board
17
Canada Pension Plan Investment Board
Ontario, Canada
$37.9M +$35M +1,511,541 +1,288%
AIMCA
18
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$34.6M – – –
Charles Schwab
19
Charles Schwab
California
$34.3M -$2.92M -126,287 -8%
WIM
20
Weitz Investment Management
Nebraska
$32.2M – – –
Point72 Asset Management
21
Point72 Asset Management
Connecticut
$32.1M -$65.2M -2,818,035 -67%
Goldman Sachs
22
Goldman Sachs
New York
$29.8M -$6.33M -273,595 -18%
PMG
23
Private Management Group
California
$28M -$113K -4,876 -0.4%
DPCM
24
Doma Perpetual Capital Management
Florida
$27M – – –
TI
25
Tidal Investments
Wisconsin
$26.5M +$13M +561,606 +97%
1
2 3 4 5

SIRI Hedge Fund Activity: Q3 2025 in Review

543 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in SiriusXM (SIRI) for Q3 2025, worth a combined $5.66B — up 0.1% from $5.65B a quarter earlier.

Buyers outnumbered sellers: 72 funds opened new SIRI positions and 69 closed out — a net gain of 3 holders — while 145 added to existing stakes and 176 trimmed.

The largest buyer was Berkshire Hathaway, adding an estimated $116M. The largest seller was Point72 Asset Management, cutting an estimated $65.2M.

  • 543 institutional investors held SiriusXM (SIRI) as of Q3 2025, down from 549 in Q2 2025.
  • Funds reported $5.66B of SiriusXM stock for Q3 2025, up 0.1% quarter-over-quarter.
  • 72 funds opened new SiriusXM positions in Q3 2025 and 69 closed out, a net change of +3 holders.
  • The largest SiriusXM buyer in Q3 2025 was Berkshire Hathaway, an estimated $116M added.
  • The largest SiriusXM seller in Q3 2025 was Point72 Asset Management, an estimated $65.2M sold.

Based on aggregated 13F filings for Q3 2025.