O institutional holders

Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.

1,393 institutional managers reported holding O for the quarter ended Mar 31, 2026. Together they hold about 74% of shares outstanding; the top 10 hold 47%. 171 opened new positions; 124 closed out. Complete ranked register from SEC 13F filings.

Largest holders

managershares% outvalue (Mar 31, 2026 close)changeheld since
Vanguard Group151.36M16.20%$9.26Badded +0.5%≤2013
BlackRock107.91M11.55%$6.60Badded +2%≤2013
State Street63.76M6.82%$3.90Bunchanged≤2013
Geode Capital30.30M3.24%$1.85Badded +3.7%≤2013
Bank OF America CORP /DE/17.33M1.85%$1.06Btrimmed -1.7%≤2013
Morgan Stanley15.24M1.63%$932.2Mtrimmed -16.7%≤2013
Parnassus Investments14.14M1.51%$864.9Mtrimmed -6.4%2024 Q1
Dimensional Fund Advisors13.02M1.39%$796.2Madded +1.2%≤2013
Charles Schwab Investment Management12.19M1.30%$745.5Madded +3.3%≤2013
Raymond James Financial INC12.09M1.29%$739.4Madded +1%≤2013
Northern Trust11.49M1.23%$702.4Munchanged≤2013
Legal & General Group PLC10.54M1.13%$644.5Mtrimmed -1.5%≤2013
APG Asset Management N.v.8.94M0.96%$546.6Madded +1%≤2013
FMR (Fidelity)8.90M0.95%$544.4Madded +2%2014 Q2
Invesco8.19M0.88%$500.7Madded +1.1%≤2013
Deutsche Bank AG\6.90M0.74%$422.0Madded +38%≤2013
Cohen & Steers6.66M0.71%$407.5Mtrimmed -33.7%2017 Q1
BNY Mellon5.45M0.58%$333.4Mtrimmed -1.9%≤2013
Wells Fargo & COMPANY/MN5.12M0.55%$313.0Mtrimmed -7.5%≤2013
Goldman Sachs4.30M0.46%$262.8Mtrimmed -29.9%≤2013
Amundi4.18M0.45%$255.9Madded +56.7%2017 Q4
Hsbc Holdings PLC4.15M0.44%$253.5Madded +4.3%≤2013
UBS4.00M0.43%$244.8Mtrimmed -33.1%≤2013
Centersquare Investment Management LLC3.96M0.42%$242.3Mtrimmed -8.9%2018 Q1
Nuveen3.64M0.39%$222.9Mtrimmed -4%≤2013
Mitsubishi UFJ Asset Management CO., LTD.3.38M0.36%$207.0Madded +6.1%≤2013
Royal Bank OF Canada3.14M0.34%$191.9Mtrimmed -24.3%≤2013
Sumitomo Mitsui Trust Group, INC.2.97M0.32%$181.5Mtrimmed -18.1%≤2013
BNP Paribas Financial Markets2.93M0.31%$179.2Madded +11.1%≤2013
ProShare Advisors LLC2.83M0.30%$173.1Munchanged≤2013
American Century Companies INC2.82M0.30%$172.6Mtrimmed -17.7%2019 Q3
Swiss National Bank2.70M0.29%$165.1Madded +7.8%≤2013
Barclays PLC2.49M0.27%$152.1Madded +13.5%≤2013
LPL Financial LLC2.45M0.26%$150.0Mtrimmed -6.9%≤2013
Nomura Asset Management CO LTD2.40M0.26%$146.6Madded +3.1%≤2013
Russell Investments Group, LTD.2.35M0.25%$143.8Madded +17.1%2016 Q4
Canada Life Assurance CO2.14M0.23%$131.1Madded +1.1%2013 Q3
CalPERS2.09M0.22%$128.1Mtrimmed -13%≤2013
Envestnet Asset Management INC2.00M0.21%$122.3Mtrimmed -7.1%≤2013
Citigroup INC1.99M0.21%$121.7Madded +11.9%≤2013
Aberdeen Group plc1.95M0.21%$119.4Mtrimmed -2.5%2017 Q3
Bank OF Montreal /CAN/1.94M0.21%$118.9Madded +105.3%≤2013
Principal Financial Group INC1.88M0.20%$114.8Mtrimmed -5%≤2013
D. E. Shaw1.85M0.20%$113.2Madded +979%2024 Q4
Daiwa Securities Group INC.1.78M0.19%$109.1Mtrimmed -38.7%≤2013
Asset Management One CO., LTD.1.77M0.19%$108.3Mtrimmed -1.2%≤2013
Rhumbline Advisers1.76M0.19%$107.4Munchanged≤2013
National Pension Service1.62M0.17%$98.9Madded +11.2%2014 Q4
AllianceBernstein1.56M0.17%$95.5Mtrimmed -7%≤2013
California State Teachers Retirement System1.51M0.16%$92.3Mtrimmed -2.2%≤2013

Largest 50 of 1,393 shown; the full ranked, searchable register is at boothcheck.com/holders/O. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.

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