Q2 2026 13F · SEC CIK 765443

Duff & Phelps Investment Management Co

Mutual fund managerFiled 2026-08-13 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $10.6B
Reported positions: 162
Top holdings a year, 3 yrs: +10.9%
Assets under management: $12.7B

Duff & Phelps Investment Management Co is a mutual fund manager that reported 162 positions worth $10.6B in its Q2 2026 13F, filed 2026-08-13. Its largest holdings were Welltower Inc (WELL, 6.5%), Equinix Inc (EQIX, 4.2%), Prologis Inc (PLD, 4.1%). A portfolio copying its top holdings returned 10.9% a year over the last 3 years, against 20.4% for the S&P 500.

Duff & Phelps Investment Management Co holdings largest 50 of 162 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Duff & Phelps Investment Management Co 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
WELLWelltower Inc	6.5%	5.4%	3,024,718	+14.9%	$686.5M
EQIXEquinix Inc	4.2%	4.8%	427,032	-9.6%	$445.1M
PLDPrologis Inc	4.1%	4.1%	3,225,840	+7.9%	$437.0M
DLRDigital Realty Trust Inc	2.9%	2.9%	1,735,593	+12.2%	$311.7M
VTRVentas Inc	2.4%	2.2%	2,863,545	+9.6%	$254.3M
SPGSimon Property Group Inc	2.1%	1.7%	975,188	+12.4%	$218.1M
PSAPublic Storage	1.9%	1.6%	640,120	+15.7%	$203.8M
XELXcel Energy Inc	1.8%	2.0%	2,419,977	-0.2%	$194.3M
SRESempra	1.8%	2.1%	2,055,243	-1.5%	$190.5M
ETREntergy Corp.	1.8%	1.8%	1,635,463	+6.7%	$187.8M
IRMIron Mountain Inc	1.7%	1.7%	1,455,435	-7.6%	$183.8M
AMHAmerican Homes 4 Rent	1.7%	1.3%	5,281,145	+15.4%	$177.0M
AVBAvalonBay Communities Inc	1.6%	1.4%	907,436	+12.5%	$171.2M
CNPCenterpoint Energy Inc	1.6%	1.7%	3,861,232	-0.1%	$170.0M
AMTAmerican Tower Corp	1.6%	1.6%	1,039,175	+12.8%	$170.0M
AHRAmerican Healthcare REIT Inc	1.5%	—	3,100,314	—	$161.7M
BRXBrixmor Property Group Inc	1.5%	1.3%	5,022,252	+12.0%	$158.4M
NEENextera Energy Inc Com	1.4%	1.9%	1,744,585	-9.2%	$153.1M
FRFirst Indl Rlty Tr Inc	1.4%	1.3%	2,469,752	+12.5%	$151.4M
LNTAlliant Energy Corp	1.4%	1.4%	1,964,325	+3.5%	$149.9M
WMBWilliams Companies	1.4%	1.5%	2,000,552	+3.5%	$148.7M
NINisource Inc	1.4%	1.5%	3,097,280	-0.3%	$147.3M
EVRGEvergy Inc	1.3%	1.4%	1,652,488	-0.2%	$142.8M
MAAMid-America Apartment Communities Inc	1.3%	1.1%	1,018,023	+19.8%	$141.4M
TRGPTarga Res Corp	1.3%	1.3%	518,030	+1.7%	$138.9M
AEEAmeren Corp	1.3%	1.3%	1,206,076	+4.0%	$136.3M
CUBECubeSmart	1.2%	1.0%	3,239,472	+18.3%	$128.8M
DTEDte Energy Co	1.2%	1.2%	841,774	+6.2%	$128.3M
ESSEssex Property Trust Inc	1.2%	—	429,210	—	$125.2M
EPRTEssential Properties Realty Trust Inc	1.1%	1.1%	4,037,057	+17.6%	$120.5M
PPLPpl Corp	1.1%	1.2%	3,287,954	+9.0%	$119.5M
WECWEC Energy Group Inc.	1.1%	1.2%	979,934	-0.1%	$114.4M
CMSCms Energy Corp	1.0%	1.2%	1,453,667	+0.0%	$111.2M
ATOAtmos Energy Corp	1.0%	1.2%	637,725	+4.9%	$109.9M
AEPAmerican Elec Pwr Co Inc	1.0%	1.0%	801,532	+5.2%	$109.7M
RHPRyman Hospitality Pptys Inc	1.0%	—	851,474	—	$109.5M
LNGCheniere Energy Inc	1.0%	1.1%	454,899	+22.6%	$108.7M
DDominion Energy Inc	1.0%	1.0%	1,569,402	-0.2%	$107.2M
TRPTc Energy Corp	1.0%	1.1%	1,547,057	-4.9%	$102.6M
DUKDuke Energy	1.0%	1.2%	807,284	-10.0%	$102.2M
SOSouthern Co.	1.0%	1.1%	1,066,805	-0.6%	$102.1M
ELSEquity Lifestyle Properties	1.0%	0.9%	1,580,485	+7.9%	$101.9M
OGEOge Energy Corp	1.0%	1.0%	2,091,246	-0.2%	$101.8M
CCICrown Castle Inc	0.9%	1.0%	1,285,653	+7.8%	$97.4M
MPLXMplx LP	0.9%	1.0%	1,618,467	-3.0%	$91.2M
EMAEmera Inc	0.8%	1.0%	1,161,790	-13.9%	$87.4M
OKEOneok Inc	0.8%	1.0%	994,844	-3.5%	$86.5M
PECOPhillips Edison and Co Inc	0.8%	—	2,006,105	—	$83.5M
ADCAgree Rlty Corp	0.8%	—	1,100,957	—	$83.4M
ETPCEnergy Transfer L P	0.8%	0.9%	4,359,713	+0.3%	$83.4M

What Duff & Phelps Investment Management Co bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +16.2% /yr; S&P 500 +20.1%
3 years: +10.9% /yr; S&P 500 +20.4%
5 years: +2.5% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$10.6B	162
Q1 2026	$9.6B	148
Q4 2025	$8.8B	146
Q3 2025	$8.8B	151
Q2 2025	$8.5B	154
Q1 2025	$8.5B	153
Q4 2024	$8.4B	156
Q3 2024	$8.7B	156
Q2 2024	$7.8B	229
Q1 2024	$8.4B	249
Q4 2023	$8.3B	248
Q3 2023	$7.6B	251

Questions about Duff & Phelps Investment Management Co's portfolio

What stocks does Duff & Phelps Investment Management Co own?

Duff & Phelps Investment Management Co's latest 13F, for Q2 2026 and filed Aug 13, 2026, lists 162 positions worth $10.6B. The largest are Welltower Inc (WELL) at 6.5%, Equinix Inc (EQIX) at 4.2%, Prologis Inc (PLD) at 4.1%, Digital Realty Trust Inc (DLR) at 2.9% and Ventas Inc (VTR) at 2.4%.

What did Duff & Phelps Investment Management Co buy last quarter?

In Q2 2026, Duff & Phelps Investment Management Co added Cheniere Energy Inc (LNG) (+22.6% shares), Mid-America Apartment Communities Inc (MAA) (+19.8% shares) and CubeSmart (CUBE) (+18.3% shares), compared with its Q1 2026 filing.

What did Duff & Phelps Investment Management Co sell last quarter?

In Q2 2026, Duff & Phelps Investment Management Co cut from its top 50 Public Service Enterprise Group Inc (PEG), cut from its top 50 At&t Inc Com (T), cut from its top 50 Pg&e Corp (PCG), cut from its top 50 Essential Utilities Inc (WTRG), cut from its top 50 Spire Inc (SR), Emera Inc (EMA) (-13.9% shares), Duke Energy (DUK) (-10.0% shares) and Equinix Inc (EQIX) (-9.6% shares), compared with its Q1 2026 filing.

How has Duff & Phelps Investment Management Co's portfolio performed?

A portfolio copying Duff & Phelps Investment Management Co's 20 largest 13F holdings each quarter, from the day each filing was public, returned +10.9% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +16.2% against +20.1%. Over 5 years: +2.5% a year against +11.6%.

When is Duff & Phelps Investment Management Co's next 13F filing due?

13F filings are due 45 days after each quarter ends. Duff & Phelps Investment Management Co's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Duff & Phelps Investment Management Co manage?

Duff & Phelps Investment Management Co reported $12.7B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $10.6B.