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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — SIRI
Institutional Holdings
Insider Transactions
US Institutional Ownership
75.1%
Institution
Shares
Value
Ownership %
Change
Filing Date
Berkshire Hathaway Inc
124.81M
$2.88B
37.14%
--
2026-03-31
BlackRock, Inc.
9.63M
$222.0M
2.86%
-425.7K
2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC
8.70M
$200.0M
2.59%
--
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
8.30M
$191.0M
2.47%
--
2026-03-31
DIMENSIONAL FUND ADVISORS LP
6.30M
$145.0M
1.88%
+4.56M
2026-03-31
CITADEL ADVISORS LLC
4.92M
$113.0M
1.46%
+1.44M
2026-03-31
GOLDMAN SACHS GROUP INC
4.03M
$93.0M
1.20%
-842.5K
2026-03-31
CANADA PENSION PLAN INVESTMENT BOARD
3.86M
$89.0M
1.15%
+1.99M
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
3.71M
$85.0M
1.10%
+17.5K
2026-03-31
STATE STREET CORP
3.55M
$81.0M
1.06%
+60.2K
2026-03-31
LSV ASSET MANAGEMENT
3.22M
$74.0M
0.96%
+146.8K
2026-03-31
AQR CAPITAL MANAGEMENT LLC
2.99M
$68.0M
0.89%
+1.54M
2026-03-31
CHECK CAPITAL MANAGEMENT INC/CA
2.94M
$67.0M
0.88%
+59.1K
2026-03-31
Gates Capital Management, Inc.
2.74M
$63.0M
0.82%
--
2026-03-31
THOMPSON SIEGEL & WALMSLEY LLC
2.56M
$59.0M
0.76%
+251.2K
2026-03-31
AMERIPRISE FINANCIAL INC
2.41M
$55.0M
0.72%
+39.3K
2026-03-31
Bank of New York Mellon Corp
2.18M
$50.0M
0.65%
+157.9K
2026-03-31
MORGAN STANLEY
2.16M
$49.0M
0.64%
+445.1K
2026-03-31
HBK INVESTMENTS L P
1.89M
$43.0M
0.56%
-84.3K
2026-03-31
SEIZERT CAPITAL PARTNERS, LLC
1.84M
$42.0M
0.55%
-59.3K
2026-03-31
JANE STREET GROUP, LLC
1.82M
$42.0M
0.54%
-1.39M
2026-03-31
HSBC HOLDINGS PLC
1.80M
$41.0M
0.53%
-280.6K
2026-03-31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
1.74M
$40.0M
0.52%
+113.0K
2026-03-31
HRT FINANCIAL LP
1.57M
$36.0M
0.47%
+1.52M
2026-03-31
WEITZ INVESTMENT MANAGEMENT, INC.
1.29M
$29.0M
0.38%
-91.0K
2026-03-31
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