SiriusXM
SIRI
598 hedge funds and large institutions have $8.42B invested in SiriusXM in 2026 Q2 according to their latest regulatory filings, with 111 funds opening new positions, 204 increasing their positions, 150 reducing their positions, and 64 closing their positions.
102% more call options, than puts
Call options by funds: $439M | Put options by funds: $217M
73% more first-time investments, than exits
New positions opened: 111 | Existing positions closed: 64
50% more funds holding in top 10
Funds holding in top 10: 8 → 12 (+4)
41% more capital invested
Capital invested by funds: $5.98B → $8.42B (+$2.44B)
36% more repeat investments, than reductions
Existing positions increased: 204 | Existing positions reduced: 150
7.33% more ownership
Funds ownership: 77.38% → 84.71% (+7.3%)
7% more funds holding
Funds holding: 561 → 598 (+37)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$214M |
| 2 |
Boston Partners
Boston,
Massachusetts
|
+$137M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$113M |
| 4 |
JGC
J. Goldman & Co
New York
|
+$78.5M |
| 5 |
CCM
Check Capital Management
Costa Mesa,
California
|
+$78.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCP
Seizert Capital Partners
Birmingham,
Michigan
|
-$49.2M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$45.3M |
| 3 |
HF
HRT Financial
New York
|
-$42.1M |
| 4 |
Canada Pension Plan Investment Board
Toronto Ontario,
Ontario, Canada
|
-$40.2M |
| 5 |
TSW
Thompson Siegel & Walmsley
Richmond,
Virginia
|
-$40.1M |
SIRI Hedge Fund Activity: Q2 2026 in Review
598 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in SiriusXM (SIRI) for Q2 2026, worth a combined $8.42B — up 41% from $5.98B a quarter earlier.
Buyers outnumbered sellers: 111 funds opened new SIRI positions and 64 closed out — a net gain of 47 holders — while 204 added to existing stakes and 150 trimmed.
The largest buyer was BlackRock, adding an estimated $214M. The largest seller was Seizert Capital Partners, cutting an estimated $49.2M.
- 598 institutional investors held SiriusXM (SIRI) as of Q2 2026, up from 561 in Q1 2026.
- Funds reported $8.42B of SiriusXM stock for Q2 2026, up 41% quarter-over-quarter.
- 111 funds opened new SiriusXM positions in Q2 2026 and 64 closed out, a net change of +47 holders.
- The largest SiriusXM buyer in Q2 2026 was BlackRock, an estimated $214M added.
- The largest SiriusXM seller in Q2 2026 was Seizert Capital Partners, an estimated $49.2M sold.
Based on aggregated 13F filings for Q2 2026.