S&CO Inc
- SEC CIK
- 0001082461
- Latest filing
- Aug 6, 2026
SIRI holding history
Sirius XM Holdings Inc. in every 13F filed by S&CO Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
SIRI overviewAll 13F holders of SIRIFull Q2 2026 holdings
- Shares (Q2 2026)
- 569,206
- Value
- $16.8M
- % of portfolio
- 1.0%
- Quarters held
- 8
- Since Q3 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 569,206 | $16.8M | 1.0% | −12,221−2.1% | Reduced | Holders |
| Q1 2026 | 581,427 | $13.4M | 0.8% | −120,015−17.1% | Reduced | Holders |
| Q4 2025 | 701,442 | $14.0M | 0.9% | −10,027−1.4% | Reduced | Holders |
| Q3 2025 | 711,469 | $16.6M | 1.0% | −6,548−0.9% | Reduced | Holders |
| Q2 2025 | 718,017 | $16.5M | 1.1% | −48,356−6.3% | Reduced | Holders |
| Q1 2025 | 766,373 | $17.3M | 1.2% | −13,897−1.8% | Reduced | Holders |
| Q4 2024 | 780,270 | $17.8M | 1.2% | +1,215+0.2% | Added | Holders |
| Q3 2024 | 779,055 | $18.4M | 1.2% | +779,055 | New | Holders |