SIRI β€” SIRIUS XM HOLDINGS INC

Ownership history in Twin Tree Management, LP  Β·  13 quarters on record

AI Ownership Summary

Twin Tree Management, LP reported SIRIUS XM HOLDINGS INC (SIRI) in 13 quarterly 13F filings from 2024 Q2 through 2025 Q4. Peak portfolio weight reached 0.08% in 2024 Q3. The latest visible filing shows SIRI at 0.04% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this SIRI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Twin Tree Management, LP's position in SIRIUS XM HOLDINGS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

SIRI was reported at 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.08% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q2 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How Twin Tree Management, LP held SIRI β€” position size vs. price
% of Fund (quarterly)    SIRI price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 13 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 230,200 +182,034 +377.9% 0.04% $4.6M 2026-02-14 (Est.) $21.29
2025 Q4 REDUCED 48,166 -225,934 -82.4% 0.01% $963K 2026-02-14 (Est.) $21.29
2025 Q3 ADDED 274,100 +208,800 +319.8% 0.03% $6.4M 2025-11-13 $21.33
2025 Q3 REDUCED 65,300 -984,900 -93.8% 0.01% $1.5M 2025-11-13 $21.33
2025 Q2 ADDED 1,050,200 +805,200 +328.7% 0.04% $24.1M 2025-07-28 $22.58
2025 Q2 REDUCED 245,000 -1,275,600 -83.9% 0.01% $5.6M 2025-07-28 $22.58
2025 Q1 ADDED 1,520,600 +961,900 +172.2% 0.06% $34.3M 2025-05-15 $21.53
2025 Q1 REDUCED 558,700 -1,399,400 -71.5% 0.02% $12.6M 2025-05-15 $21.53
2024 Q4 ADDED 1,958,100 +1,441,500 +279.0% 0.08% $44.6M 2025-02-10 $24.59
2024 Q4 ADDED 516,600 +409,700 +383.3% 0.02% $11.8M 2025-02-10 $24.59
2024 Q3 REDUCED 106,900 -1,674,600 -94.0% 0.00% $2.5M 2024-11-13 $24.93
2024 Q3 ADDED 1,781,500 +1,780,974 +338588.2% 0.08% $42.1M 2024-11-13 $24.93
2024 Q2 INITIATED 526 β€” β€” 0.00% $1K 2024-08-13 $27.93

🏒 Other funds also holding SIRI

As of 2026 Q1 β€” sorted by position size

Marex Group plc 0.01%

FAQ About Twin Tree Management, LP and SIRI

These are the practical questions this page is built to answer before you even open the full history table.

How long has Twin Tree Management, LP reported owning SIRI?

Twin Tree Management, LP reported SIRI across 13 quarterly 13F filings, from 2024 Q2 through 2025 Q4.

What was the largest reported SIRI position in Twin Tree Management, LP's portfolio?

The largest reported portfolio weight for SIRI was 0.08% in 2024 Q3.

What is the latest reported SIRI position on this page?

The most recent filing on this page is 2025 Q4, when Twin Tree Management, LP reported 230,200 shares, equal to 0.04% of portfolio, with an estimated market value of $4.6M.

What does the chart on this SIRI ownership page compare?

The chart compares Twin Tree Management, LP's quarterly SIRI portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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