SIRI — SIRIUS XM HOLDINGS INC

Ownership history in Quantbot Technologies LP  ·  24 quarters on record

This page tracks every 13F SEC filing in which Quantbot Technologies LP reported a position in SIRIUS XM HOLDINGS INC (SIRI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.65% (2017 Q1)
Avg. % of fund
0.16%
First filed
2016 Q1
Last filed
2025 Q3
Quarters held
24
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 133,014 +53,019 +66.3% 0.08% $3.1M $22.70
2025 Q2 REDUCED 79,995 -117,101 -59.4% 0.05% $1.8M $22.12
2025 Q1 ADDED 197,096 +146,640 +290.6% 0.14% $4.4M $21.44
2023 Q2 REDUCED 50,456 -676,648 -93.1% 0.01% $229K $40.80
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% of Fund (quarterly)    SIRI price (monthly, adj. close)

Other funds also holding SIRI

As of 2025 Q4 — sorted by position size

BISLETT MANAGEMENT, LLC 3Y 7Y 9.1% WITTENBERG INVESTMENT MANAGEMENT, INC. 3Y 7Y 8.38% Kontiki Capital Management (HK) Ltd. 3Y 7Y 6.94% swisspartners Advisors Ltd 3Y 5.65% TOWERVIEW LLC 3Y 7Y 4.86% Chou Associates Management Inc. 3Y 7Y 4.06% Hi-Line Capital Management, LLC 3Y 3.67% Woodson Capital Management, LP 3Y 7Y 3.33% Hall Kathryn A. 3Y 7Y 3.29% Aldebaran Capital, LLC 3Y 1.91%
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