Top Holders

Holder	Shares Held	% O/S	Share Change	Filing Date
The Vanguard Group, Inc.	21,021,301	16.23	-277,036	12/31/19
BlackRock Institutional Trust Company, N.A.	10,425,671	8.05	716,156	12/31/19
Cohen & Steers Capital Management, Inc.	10,332,367	7.98	2,434,965	12/31/19
State Street Global Advisors (US)	8,457,532	6.53	-492,871	12/31/19
APG Asset Management US, Inc.	3,528,000	2.72	1,630,059	12/31/19
Daiwa Asset Management Co., Ltd.	3,444,197	2.66	1,156,042	12/31/19
Fidelity Management & Research Company	3,314,682	2.56	-1,252,881	12/31/19
Principal Global Investors (Equity)	3,232,808	2.50	121,544	12/31/19
PGGM Vermogensbeheer B.V.	2,621,007	2.02	645,073	12/31/19
Geode Capital Management, L.L.C.	2,608,412	2.01	184,378	12/31/19

Top Holders: Mutual Funds

Fund	Shares Held	% O/S	Share Change	Filing Date
Vanguard Real Estate Index Fund	6,318,295	4.88	39,034	1/31/20
Vanguard Total Stock Market Index Fund	3,468,146	2.68	6,775	1/31/20
Vanguard Mid-Cap Index Fund	3,144,346	2.43	48,595	1/31/20
Stichting Pensioenfonds ABP	3,037,882	2.35	-181,737	3/31/19
Vanguard 500 Index Fund	2,619,887	2.02	33,286	1/31/20
SPDR S&P 500 ETF	1,462,843	1.13	-14,352	1/31/20
Cohen & Steers Realty Shares, Inc.	1,211,816	0.94	231,162	12/31/19
Fidelity US REIT Mother Fund	1,196,783	0.92	-356,900	3/31/19
Fidelity Real Estate Investment Portfolio	1,181,440	0.91	--	12/31/19
US Bank Vanguard Institutional 500 Index Trust	1,159,998	0.90	-10,218	1/31/20