Back to SIRI researchManagerReported valueSharesFiling period Berkshire Hathaway$2.9B125M2026-03-31Dimensional Fund Advisors LP$145M6.30M2026-03-31HSBC Holdings PLC$41.6M1.80M2026-03-31Arrowstreet Capital, Limited Partnership$16.6M736K2025-03-31UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME$14.2M615K2026-03-31Principal Financial Group Inc$12.6M428K2026-06-30Swiss National Bank$8.4M365K2026-03-31Point72 Asset Management$8.2M355K2026-03-31Bridgewater Associates$2.1M91.34K2026-03-31Sumitomo Mitsui Trust Group, Inc.$1.3M54.95K2024-12-31Mitsubishi UFJ Asset Management Co., Ltd.$31.7K1.37K2026-03-31
Institutional ownership
SIRI in reported 13F portfolios
Reported long holdings only · filing data can be delayed up to 45 days after quarter-end.Managers11
Reported value$3.1B
Latest periodJun 2026
Frequently asked questions
Who owns SIRI?
11 managers currently show reported long SIRI positions in Insider Deck’s 13F sample, totaling about $3.1B.
How fresh is SIRI ownership data?
13F filings are quarterly and can lag quarter-end by up to 45 days. Positions appear after SEC tables are processed and CUSIPs resolve to tickers.