SIRI — SIRIUS XM HOLDINGS INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on SIRI
| date | signal | measured base rate |
|---|---|---|
| 2026-08-11 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-31 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-27 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-07-27 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-01 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-10 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-06 | Procope Jonelle Director | Open-market sale | 16.7K | 29.97 | 499.7K |
| 2026-07-13 | HARTENSTEIN EDDY W Director | Gift | 6.7K | 0.00 | 0 |
| 2026-07-13 | HARTENSTEIN EDDY W Director | Gift | 6.7K | 0.00 | 0 |
| 2026-05-29 | Salen Kristina Director | Open-market sale 10b5-1 plan | 4.1K | 29.57 | 121.1K |
| 2026-05-29 | MALONE EVAN DANIEL Director | Grant or award | 6.8K | 0.00 | 0 |
| 2026-05-29 | Procope Jonelle Director | Grant or award | 6.8K | 0.00 | 0 |
| 2026-05-29 | Salen Kristina Director | Grant or award 10b5-1 plan | 6.8K | 0.00 | 0 |
| 2026-05-29 | Rapino Michael Director | Grant or award | 6.8K | 0.00 | 0 |
| 2026-05-29 | MAFFEI GREGORY B Director | Grant or award | 6.8K | 0.00 | 0 |
| 2026-05-29 | HARTENSTEIN EDDY W Director | Grant or award | 6.8K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Berkshire Hathaway Inc | 2.9B | 124.8M |
| BlackRock, Inc. | 222.1M | 9.6M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 200.9M | 8.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | 191.6M | 8.3M |
| DIMENSIONAL FUND ADVISORS LP | 145.4M | 6.3M |
| Kontiki Capital Management (HK) Ltd. | 131.5M | 5.7M |
| GOLDMAN SACHS GROUP INC | 90.3M | 3.9M |
| CANADA PENSION PLAN INVESTMENT BOARD | 89.1M | 3.9M |
| GEODE CAPITAL MANAGEMENT, LLC | 85.6M | 3.7M |
| STATE STREET CORP | 81.9M | 3.5M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-07 | 2026-08-06 | on EDGAR ↗ |
| 144 | 2026-08-06 | — | on EDGAR ↗ |
| S-8 | 2026-07-30 | — | on EDGAR ↗ |
| 10-Q | 2026-07-30 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-30 | 2026-07-30 | on EDGAR ↗ |
| 8-K | 2026-07-30 | 2026-07-29 | on EDGAR ↗ |
| 4 | 2026-07-14 | 2026-07-13 | on EDGAR ↗ |
| SCHEDULE 13D/A | 2026-06-10 | — | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
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