Arkolith/Funds/Duff & Phelps Investment Management Co

Duff & Phelps Investment Management Co

CIK 765443
Holdings as of Mar 31, 2026·disclosed Apr 28, 2026·~28-day 13F lag·13F-HR
Inactive

Duff & Phelps Investment Management Co holds a diversified book of 148 stocks worth $9.6B as of Q1 2026 (disclosed Apr 28, 2026, a ~45-day 13F lag). This quarter they opened EMERA INC and trimmed EQUINIX INC. Their largest long position is WELLTOWER INC at 5% of the equity book.

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Use Arkolith to show DUFF & PHELPS INVESTMENT MANAGEMENT CO's latest
holdings, largest changes, and filing provenance.
Opened
7
new positions
Added to
68
existing
Trimmed
54
reduced
Sold out
5
exited

Concentration

Top-heavy: diversified book

Top 5 holdings
19%
Top 10 holdings
29%
Top 20 holdings
44%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

46% mapped to company sectors

ETF / fund or unclassified
54%
Utilities
21%
Real Estate
21%
Communication Services
2%
Industrials
1%
Energy
1%
Information Technology
0%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
Trimmed / exited

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

148 positions
#SecurityValueShares% PortLast moveHistory
1Welltower Inc
COM
$520.5M2.63M
5.4%
+0.9%
Added · +23K sh
2Equinix Inc
COM
$463.2M472.6K
4.8%
−1.2%
Reduced · −6K sh
3Prologis Inc.
COM
$395.2M2.99M
4.1%
−5.3%
Reduced · −167K sh
4Digital Rlty TR Inc
COM
$278.8M1.55M
2.9%
+0.3%
Added · +4K sh
5Ventas Inc
COM
$213.6M2.61M
2.2%
+1.4%
Added · +36K sh
6Sempra
COM
$202.8M2.09M
2.1%
~0%
Added · +48 sh
7Xcel Energy Inc
COM
$192.6M2.42M
2.0%
+3.1%
Added · +73K sh
8NextEra Energy Inc
COM
$178.5M1.92M
1.9%
−7.1%
Reduced · −147K sh
9Entergy Corp New
COM
$172.2M1.53M
1.8%
−3.0%
Reduced · −47K sh
10Centerpoint Energy Inc
COM
$166.9M3.87M
1.7%
+1.4%
Added · +55K sh
11Simon Ppty Group Inc New
COM
$161.8M867.4K
1.7%
−1.2%
Reduced · −10K sh
12Iron MTN Inc Del
COM
$160.9M1.58M
1.7%
−0.3%
Reduced · −5K sh
13American Tower Corp
COM
$158.9M920.9K
1.7%
+0.3%
Added · +3K sh
14Public Storage Oper Co
COM
$149.8M553.2K
1.6%
+23%
Added · +104K sh
15Nisource Inc
COM
$145.0M3.11M
1.5%
~0%
Added · +34 sh
16Williams Cos Inc
COM
$140.7M1.93M
1.5%
+3.6%
Added · +67K sh
17Alliant Energy Corp
COM
$136.2M1.90M
1.4%
~0%
Reduced · −347 sh
18Evergy Inc
COM
$135.6M1.66M
1.4%
−3.5%
Reduced · −60K sh
19Avalonbay Cmntys Inc
COM
$131.8M806.8K
1.4%
−14%
Reduced · −133K sh
20Brixmor Ppty Group Inc
COM
$129.1M4.48M
1.3%
+1.2%
Added · +52K sh
21American Homes 4 Rent
CL A
$127.8M4.58M
1.3%
+0.5%
Added · +21K sh
22Targa Res Corp
COM
$127.7M509.4K
1.3%
−2.5%
Reduced · −13K sh
23Ameren Corp
COM
$127.5M1.16M
1.3%
−3.7%
Reduced · −45K sh
24First Indl Rlty TR Inc
COM
$127.0M2.20M
1.3%
+0.5%
Added · +11K sh
25Duke Energy Corp New
COM NEW
$117.5M897.0K
1.2%
~0%
Added · +217 sh
26Dte Energy Co
COM
$115.9M792.5K
1.2%
~0%
Added · +16 sh
27PPL Corp
COM
$115.2M3.02M
1.2%
−1.3%
Reduced · −40K sh
28Wec Energy Group Inc
COM
$113.6M981.3K
1.2%
~0%
Added · +155 sh
29CMS Energy Corp
COM
$112.8M1.45M
1.2%
Held
30Atmos Energy Corp
COM
$112.3M607.9K
1.2%
−6.8%
Reduced · −44K sh
31Cheniere Energy Inc
COM NEW
$105.3M371.0K
1.1%
−20%
Reduced · −91K sh
32Essential Pptys Rlty TR Inc
COM
$104.2M3.43M
1.1%
+0.2%
Added · +7K sh
33Mid-Amer Apt Cmntys Inc
COM
$103.8M849.7K
1.1%
~0%
Reduced · −350 sh
34Southern Co
COM
$103.6M1.07M
1.1%
−13%
Reduced · −165K sh
35TC Energy Corp
COM
$101.8M1.63M
1.1%
−4.1%
Reduced · −70K sh
36Oge Energy Corp
COM
$100.5M2.10M
1.0%
~0%
Reduced · −45 sh
37Cubesmart
COM
$100.3M2.74M
1.0%
+0.7%
Added · +18K sh
38American Elec PWR Co Inc
COM
$99.9M762.2K
1.0%
Held
39Emera Inc
COM
$97.3M1.35M
1.0%
New
New position
40Dominion Energy Inc
COM
$97.2M1.57M
1.0%
+5.3%
Added · +80K sh
41Crown Castle Inc
COM
$97.0M1.19M
1.0%
~0%
Added · +370 sh
42Public SVC Enterprise Group
COM
$95.5M1.18M
1.0%
~0%
Added · +193 sh
43MPLX LP
COM UNIT REP LTD
$95.2M1.67M
1.0%
−8.9%
Reduced · −164K sh
44Oneok Inc New
COM
$93.2M1.03M
1.0%
+44%
Added · +313K sh
45Equity Lifestyle Properties
COM
$91.4M1.46M
0.9%
−5.2%
Reduced · −81K sh
46AT&T Inc
COM
$91.0M3.14M
0.9%
Held
47PG&E Corp
COM
$89.2M5.08M
0.9%
−2.5%
Reduced · −132K sh
48Essential Utils Inc
COM
$88.1M2.19M
0.9%
~0%
Added · +103 sh
49Spire Inc
COM
$84.4M932.6K
0.9%
−5.2%
Reduced · −51K sh
50Energy Transfer L P
COM UT LTD PTN
$83.9M4.35M
0.9%
+15%
Added · +581K sh
Showing 50 of 148 positions

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q1 2026Mar 31, 2026Apr 28, 2026249$9.6B13F-HR
Q4 2025Dec 31, 2025Jan 26, 2026146$8.8B13F-HR
Q3 2025Sep 30, 2025Nov 13, 2025151$8.8B13F-HR
Q2 2025Jun 30, 2025Aug 11, 2025154$8.5B13F-HR
Q1 2025Mar 31, 2025May 13, 2025153$8.5B13F-HR
Q4 2024Dec 31, 2024Feb 12, 2025156$8.4B13F-HR
Q3 2024Sep 30, 2024Nov 15, 2024156$8.7B13F-HR
Q2 2024Jun 30, 2024Aug 15, 2024229$7.8B13F-HR
Q1 2024Mar 31, 2024May 14, 2024250$8.4B13F-HR
Q4 2023Dec 31, 2023Feb 5, 2024248$8.3B13F-HR
Q3 2023Sep 30, 2023Nov 13, 2023251$7.6B13F-HR
Q2 2023Jun 30, 2023Aug 3, 2023243$8.2B13F-HR
Q1 2023Mar 31, 2023May 10, 2023245$8.2B13F-HR
Q4 2022Dec 31, 2022Feb 8, 2023239$8.2B13F-HR
Q3 2022Sep 30, 2022Nov 14, 2022239$8.0B13F-HR
Q2 2022Jun 30, 2022Aug 10, 2022213$8.1B13F-HR
Q1 2022Mar 31, 2022May 11, 2022213$8.7B13F-HR
Q4 2021Dec 31, 2021Feb 7, 2022216$8.5B13F-HR
Q3 2021Sep 30, 2021Nov 10, 2021216$7.7B13F-HR
Q2 2021Jun 30, 2021Aug 9, 2021214$7.7B13F-HR
Q1 2021Mar 31, 2021May 10, 2021217$7.3B13F-HR
Q4 2020Dec 31, 2020Jan 29, 2021219$6.9B13F-HR
Q3 2020Sep 30, 2020Nov 3, 2020222$6.4B13F-HR
Q2 2020Jun 30, 2020Aug 6, 2020224$6.4B13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.