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Of the 5 tracked institutions holding SIRI 3.75 03/15/28, 2 have a 3-year clone track record — 2 of them beat the S&P. Average holder's clone alpha: +5.0pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 5 tracked institutional investors we monitor, SIRI 3.75 03/15/28 (LIBERTY MEDIA CORP DEL) is held with a combined value of $164.88M across 143,591,000 shares. The largest holder is CITADEL ADVISORS LLC with a position worth $70.02M (0.04% of their portfolio). 2 funds opened new positions in the most recent quarter. 2 funds increased their holdings. 1 fund reduced its position.
Total Institutional Value
$164.88M
Total Shares Held
143,591,000
Institutional Holders
5
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $70.02M | 0.04% | New |
| 2 | MILLENNIUM MANAGEMENT LLC | $55.66M | 0.04% | -8.6% |
| 3 | STATE STREET CORP | $17.87M | 0.00% | +27.1% |
| 4 | BlackRock, Inc. | $12.98M | 0.00% | +25.8% |
| 5 | FMR LLC | $8.35M | 0.00% | New |
As of the latest SEC 13F filings, CITADEL ADVISORS LLC is the largest institutional holder of SIRI 3.75 03/15/28 with a position worth $70.02M, representing 0.04% of their portfolio. In total, 5 institutional investors hold SIRI 3.75 03/15/28 with a combined value of $164.88M.
In the most recent quarter, 2 funds opened a new position in SIRI 3.75 03/15/28. Additionally, 2 increased their holdings and 1 reduced their positions.
Institutional investors hold $164.88M worth of SIRI 3.75 03/15/28 stock across 5 positions. The largest institutional holder is CITADEL ADVISORS LLC with $70.02M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For SIRI 3.75 03/15/28, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their SIRI 3.75 03/15/28 positions.
