SiriusXM
SIRI
549 hedge funds and large institutions have $5.65B invested in SiriusXM in 2025 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 150 increasing their positions, 170 reducing their positions, and 84 closing their positions.
176% more call options, than puts
Call options by funds: $451M | Put options by funds: $164M
1% more capital invested
Capital invested by funds: $5.62B → $5.65B (+$29.2M)
0% more first-time investments, than exits
New positions opened: 84 | Existing positions closed: 84
1% less funds holding
Funds holding: 553 → 549 (-4)
0.8% less ownership
Funds ownership: 73.61% → 72.81% (-0.8%)
12% less repeat investments, than reductions
Existing positions increased: 150 | Existing positions reduced: 170
31% less funds holding in top 10
Funds holding in top 10: 13 → 9 (-4)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KCMH
Kontiki Capital Management (HK)
Hong Kong
|
+$145M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$90.3M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$69.6M |
| 4 |
Millennium Management
New York
|
+$26.5M |
| 5 |
CSS
Cubist Systematic Strategies
Stamford,
Connecticut
|
+$22.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$77M |
| 2 |
JP Morgan Chase
New York
|
-$72.8M |
| 3 |
SCM
Smead Capital Management
Phoenix,
Arizona
|
-$55.3M |
| 4 |
BGIM
Brandywine Global Investment Management
Philadelphia,
Pennsylvania
|
-$39.2M |
| 5 |
Russell Investments Group
London,
United Kingdom
|
-$29.4M |
SIRI Hedge Fund Activity: Q2 2025 in Review
549 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in SiriusXM (SIRI) for Q2 2025, worth a combined $5.65B — up 0.52% from $5.62B a quarter earlier.
Fund positioning in SIRI was balanced in Q2 2025: 84 funds opened new positions, 84 closed out, 150 added to existing stakes and 170 trimmed.
The largest buyer was Kontiki Capital Management (HK), opening a new position worth an estimated $145M. The largest seller was Fuller & Thaler Asset Management, cutting an estimated $77M.
- 549 institutional investors held SiriusXM (SIRI) as of Q2 2025, down from 553 in Q1 2025.
- Funds reported $5.65B of SiriusXM stock for Q2 2025, up 0.52% quarter-over-quarter.
- 84 funds opened new SiriusXM positions in Q2 2025 and 84 closed out, a net change of 0 holders.
- The largest SiriusXM buyer in Q2 2025 was Kontiki Capital Management (HK), an estimated $145M added.
- The largest SiriusXM seller in Q2 2025 was Fuller & Thaler Asset Management, an estimated $77M sold.
Based on aggregated 13F filings for Q2 2025.