Cohen & Steers Infrastructure Opportunities… (CSIO) Holdings
CSIO holdings summary
as of Oct 23, 2026- Holdings
- 28 positions listed
- Top 10 weight
- 51.4% of net assets
- Effective holdings
- 23 equal-weight equivalent
- Largest holding
- CSX 7.29% CSX Corporation
- Annual turnover
- — of the portfolio traded
All CSIO holdings
| # | Name | ||||||
|---|---|---|---|---|---|---|---|
| 1 | CSX | CSX Corporation | Industrials | 7.29% | $3.8M | $90.18B | 28.3 |
| 2 | WMB | The Williams Companies, Inc. | Energy | 6.60% | $3.4M | $87.19B | 28.4 |
| 3 | TRP | TC Energy Corp | Energy | 5.39% | $2.8M | — | — |
| 4 | ETR | Entergy Corporation | Utilities | 5.36% | $2.8M | $50.22B | 26.9 |
| 5 | UNP | Union Pacific Corporation | Industrials | 5.13% | $2.6M | $171.71B | 23.4 |
| 6 | NEE | NextEra Energy, Inc. | Utilities | 5.04% | $2.6M | $166.46B | 17.9 |
| 7 | APA | APA Group | Utilities | 4.66% | $2.4M | — | — |
| 8 | AEE | Ameren Corporation | Utilities | 4.03% | $2.1M | $29.37B | 18.7 |
| 9 | ADMIE | Admie Holding S.A | Utilities | 4.01% | $2.1M | — | — |
| 10 | AMT | American Tower Corporation | Real Estate | 3.93% | $2.0M | $86.33B | 25.5 |
| 11 | RWE | RWE AG | Utilities | 3.76% | $1.9M | — | — |
| 12 | LNT | Alliant Energy Corporation | Utilities | 3.56% | $1.8M | $17.71B | 21.6 |
| 13 | 9503 | Kansai Electric Power Co Inc | Utilities | 3.42% | $1.8M | — | — |
| 14 | EVRG | Evergy, Inc. | Utilities | 3.30% | $1.7M | $19.21B | 21.2 |
| 15 | 5347 | Tenaga Nasional Bhd | Utilities | 3.12% | $1.6M | — | — |
| 16 | CNP | CenterPoint Energy, Inc. | Utilities | 2.87% | $1.5M | $26.71B | 24.0 |
| 17 | GEKTERNA | GEK TERNA Holdings Real Estate Construction S.A | Industrials | 2.85% | $1.5M | — | — |
| 18 | CNR | Canadian National Railway Co | Industrials | 2.72% | $1.4M | — | — |
| 19 | CPLE3 | Companhia Paranaense de Energia - COPEL | Utilities | 2.61% | $1.3M | — | — |
| 20 | BKH | Black Hills Corporation | Utilities | 2.38% | $1.2M | $5.84B | 19.3 |
| 21 | DUK | Duke Energy Corporation | Utilities | 2.04% | $1.1M | $94.71B | 18.3 |
| 22 | 2688 | ENN Energy Holdings Ltd | Utilities | 1.95% | $1.0M | — | — |
| 23 | VG | Venture Global, Inc. | Energy | 1.75% | $903,954.20 | $31.80B | 10.0 |
| 24 | GFL | Gfl Environmental Holdings Inc | Industrials | 1.57% | $808,657.36 | — | — |
| 25 | CWY | Cleanaway Waste Management Ltd | Industrials | 1.51% | $775,775.05 | — | — |
| 26 | MTZ | MasTec, Inc. | Industrials | 1.45% | $748,355.95 | $15.34B | 30.5 |
| 27 | TGS | Transportadora de Gas del Sur S.A. | Energy | 0.91% | $467,052.45 | $3.93B | 9.8 |
| 28 | VSAT | Viasat, Inc. | Technology | 0.55% | $285,581.29 | $8.10B | — |
Weights as a percentage of net assets. Value held = weight × net assets ($51.5M). Market cap and P/E from each company's latest fundamentals (U.S.-listed stocks).
CSIO sector breakdown
| Sector | Weight | Holdings | Largest |
|---|---|---|---|
| Utilities | 52.1% | 15 | ETR, NEE, APA |
| Industrials | 22.5% | 7 | CSX, UNP, GEKTERNA |
| Energy | 14.6% | 4 | WMB, TRP, VG |
| Real Estate | 3.9% | 1 | AMT |
| Technology | 0.6% | 1 | VSAT |
Sum of the weights of the holdings in each sector.
CSIO top industries
CSIO overlap with other ETFs
| ETF | Fund | Overlap | Shared holdings | Expense ratio |
|---|---|---|---|---|
| SPY | SPDR S&P 500 ETF | 1.3% | 12 of 502 | 0.09% |
| VTI | Vanguard Total Stock Market ETF | 1.2% | 17 of 2,941 | 0.03% |
| IWM | iShares Russell 2000 ETF | 0.6% | 3 of 1,962 | 0.19% |
| VXUS | Vanguard Total International Stock ETF | 0.6% | 13 of 8,035 | 0.05% |
| QQQ | Invesco QQQ ETF | 0.4% | 1 of 101 | 0.17% |
| DIA | SPDR Dow Jones Industrial Average ETF | 0.0% | 0 of 30 | 0.16% |
Overlap = sum over shared holdings of the smaller of the two weights. 100% means identical portfolios.
About the CSIO portfolio
Cohen & Steers Infrastructure Opportunities… holds 28 positions. The ten largest make up 51.4% of the fund, so it behaves like a portfolio of about 23 equally weighted stocks. The biggest positions are CSX Corporation (7.29%), The Williams Companies, Inc. (6.60%), TC Energy Corp (5.39%), Entergy Corporation (5.36%), Union Pacific Corporation (5.13%).
By sector, Utilities is 52.1%, Industrials is 22.5%, Energy is 14.6%. Holdings data is from the fund's latest portfolio as reported by EODHD on October 23, 2026; positions change as the fund rebalances.
Related: CSIO chart, CSIO dividends, CSIO overview.
CSIO holdings FAQ
How many holdings does CSIO have?
CSIO holds 28 positions as of October 23, 2026.
What are the top 10 holdings of CSIO?
The ten largest holdings are CSX Corporation (7.29%), The Williams Companies, Inc. (6.60%), TC Energy Corp (5.39%), Entergy Corporation (5.36%), Union Pacific Corporation (5.13%), NextEra Energy, Inc. (5.04%), APA Group (4.66%), Ameren Corporation (4.03%), Admie Holding S.A (4.01%), American Tower Corporation (3.93%). Together they are 51.4% of the fund.
What percentage of CSIO is CSX Corporation?
CSX Corporation is the largest holding at 7.29% of net assets, about $3.8M of the fund's $51.5M.
Which sector is the largest in CSIO?
Utilities is the largest sector at 52.1%, followed by Industrials (22.5%) and Energy (14.6%), based on the sectors of the individual holdings.
How concentrated is CSIO?
The top 10 holdings are 51.4% of the fund. By the effective number of holdings (1 divided by the sum of squared weights) CSIO behaves like a portfolio of about 23 equally weighted stocks.