SIRI
Sirius Xm Holdings Inc.Company with tickers: SIRI
CIK
908937
CUSIP
829933100
Shares Outstanding
336,619,936
Website
https://amazon.com
Investor Relations
https://ir.aboutamazon.com/overview/default.aspx
13F Activity (30d)
29 filings
22 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 1
Total Value: $482,256,439
Total Shares: 18,420,796
Institutional Ownership Trend
8 quarters
Quarterly Activity
vs Mar 31, 2026
New
1
Increased
0
Decreased
0
Sold Out
561
Unchanged
0
Holder count:
-560
Institutional value:
-92.1%
Shares held:
-93.0%
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| — John C. Malone | 18,420,796 | $482,256,439 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega Berkshire Hathaway Inc | 124,807,117 | $2,880,548,260 | |
| Mega BlackRock, Inc. | 9,625,184 | $222,149,240 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 8,303,630 | $191,647,780 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 6,947,785 | $160,354,877 | |
| Mega DIMENSIONAL FUND ADVISORS LP | 6,301,181 | $145,431,254 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| — John C. Malone | $482,256,439 | 100.00% | 18,420,796 | Shares | Sole | 2026-06-10 | ||||
| No holders match your search. | ||||||||||