Sirius XM Holdings Inc
Held by 10 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 829933100 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns SIRI?
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Who owns SIRI? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
Column filters
| # | Manager | Fund | Shares | Value ↓ | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Warren Buffett | Berkshire Hathaway Inc | 124.81M | $3.69B | 1.2% | Held | 0 | 0.0% | $0 |
| 2 | Boston Partners | Boston Partners Global Investors | 5.08M | $150.17M | 0.1% | New | +5.1M | — | +$150.17M |
| 3 | LSV Asset Management | LSV Asset Management | 3.62M | $106.95M | 0.2% | Added | +400.5K | +12.4% | +$11.83M |
| 4 | Ken Griffin | Citadel Advisors | 3.31M | $97.79M | 0.1% | Added | +48.9K | +1.5% | +$1.44M |
| 5 | Norges Bank | Norges Bank Investment Management | 2.09M | $61.80M | 0.0% | — | — | — | — |
| 6 | Two Sigma | Two Sigma Investments | 791.96K | $23.39M | 0.0% | Reduced | -985.3K | -55.4% | -$29.10M |
| 7 | Mario Gabelli | GAMCO Investors | 399.30K | $11.80M | 0.1% | Reduced | -4.7K | -1.2% | -$137.51K |
| 8 | Ray Dalio | Bridgewater Associates | 148.29K | $4.38M | 0.0% | Added | +57.0K | +62.3% | +$1.68M |
| 9 | Tweedy, Browne & Co | Tweedy, Browne Company LLC | 66.49K | $1.96M | 0.1% | Added | +19.6K | +41.8% | +$579.31K |
| 10 | First Wilshire | First Wilshire Securities Management | 47.20K | $1.39M | 0.3% | Reduced | -2.6K | -5.2% | -$76.30K |
Column filters
| Manager | Fund | Shares sold | Value last quarter ↓ |
|---|---|---|---|
| Israel Englander | Millennium Management | -509.1K | $11.75M |
| Steve Cohen | Point72 Asset Management | -355.1K | $8.20M |
| David Shaw | D.E. Shaw & Co. | -101.5K | $2.34M |
Politician trades
Column filters
| Politician | Date | Ticker | Asset | Type | Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. | Est. size ⓘOur estimate only: the midpoint of the reported range. | Owner | Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. | Filed ↑ | Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thomas H. Kean, Jr. Politician | Sep 10, 2024 | SIRI | SiriusXM Holdings Inc. - Common Stock (SIRI) [ST] | Exchange | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | State Street Bank & Trust Co. | Oct 15, 2024 | 35 days | PTR ↗ |
| August Pfluger Politician | Jul 1, 2025 | SIRI | SiriusXM Holdings Inc. - Common Stock (SIRI) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | Roth IRA | Jul 23, 2025 | 22 days | PTR ↗ |
| August Pfluger Politician | Sep 10, 2024 | SIRI | SiriusXM Holdings Inc. - Common Stock (SIRI) [ST] | Exchange | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | RBC Roth IRA | Aug 13, 2025 | 337 days Late | PTR ↗ |
| August Pfluger Politician | Sep 10, 2024 | SIRI | SiriusXM Holdings Inc. - Common Stock (SIRI) [ST] | Exchange | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | Roth IRA | Aug 13, 2025 | 337 days Late | PTR ↗ |
| August Pfluger Politician | Jan 13, 2026 | SIRI | SiriusXM Holdings Inc. - Common Stock (SIRI) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Child | CP Roth IRA | Feb 11, 2026 | 29 days | PTR ↗ |