Basic Stats
Portfolio Value $ 3,138,205,954
Current Positions 28
Latest Holdings, Performance, AUM (from 13F, 13D)

Tortoise Capital Series Trust - Tortoise Energy Infrastructure Total Return Fund A Class has disclosed 28 total holdings in their latest SEC filings. Most recent portfolio value is calculated to be $ 3,138,205,954 USD. Actual Assets Under Management (AUM) is this value plus cash (which is not disclosed). Tortoise Capital Series Trust - Tortoise Energy Infrastructure Total Return Fund A Class’s top holdings are Cheniere Energy, Inc. (US:LNG) , The Williams Companies, Inc. (US:WMB) , MPLX LP - Limited Partnership (US:MPLX) , Energy Transfer LP - Limited Partnership (US:ET) , and Targa Resources Corp. (US:TRGP) . Tortoise Capital Series Trust - Tortoise Energy Infrastructure Total Return Fund A Class’s new positions include Cheniere Energy, Inc. (US:LNG) , The Williams Companies, Inc. (US:WMB) , MPLX LP - Limited Partnership (US:MPLX) , Energy Transfer LP - Limited Partnership (US:ET) , and Targa Resources Corp. (US:TRGP) .

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Top Increases This Quarter

We use the change in the portfolio allocation because this is the most meaningful metric. Changes can be due to trades or changes in share prices.

Security Shares
(MM)		 Value
(MM$)		 Portfolio % ΔPortfolio %
1.34 317.42 10.1123 10.1123
4.05 245.25 7.8130 7.8130
4.55 232.21 7.3976 7.3976
12.65 221.17 7.0459 7.0459
1.26 199.11 6.3432 6.3432
3.48 176.23 5.6143 5.6143
3.71 172.44 5.4935 5.4935
1.91 154.55 4.9236 4.9236
5.50 154.14 4.9104 4.9104
8.11 152.24 4.8499 4.8499
Top Decreases This Quarter

We use the change in the portfolio allocation because this is the most meaningful metric. Changes can be due to trades or changes in share prices.

Security Shares
(MM)		 Value
(MM$)		 Portfolio % ΔPortfolio %
13F and Fund Filings

This form was filed on 2025-07-29 for the reporting period 2025-05-31. Click the link icon to see the full transaction history.

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2022-07-28: Important Note - We have changed the treatment of the Δ Portfolio % column in this table. Previously, we were reporting it as the percent change in the portfolio allocation. We are now reporting it as the raw change in the portfolio allocation (still reported as a percent). In formula terms, we were previously reporting it as 100 * (current allocation - prior allocation ) / prior allocation. We are now reporting it as (current allocation - prior allocation).
Security Type Avg Share Price Shares
(MM)		 ΔShares
(%)		 ΔShares
(%)		 Value
($MM)		 Portfolio
(%)		 ΔPortfolio
(%)
LNG / Cheniere Energy, Inc. 1.34 317.42 10.1123 10.1123
WMB / The Williams Companies, Inc. 4.05 245.25 7.8130 7.8130
MPLX / MPLX LP - Limited Partnership 4.55 232.21 7.3976 7.3976
ET / Energy Transfer LP - Limited Partnership 12.65 221.17 7.0459 7.0459
TRGP / Targa Resources Corp. 1.26 199.11 6.3432 6.3432
TRP / TC Energy Corporation 3.48 176.23 5.6143 5.6143
ENB / Enbridge Inc. 3.71 172.44 5.4935 5.4935
OKE / ONEOK, Inc. 1.91 154.55 4.9236 4.9236
KMI / Kinder Morgan, Inc. 5.50 154.14 4.9104 4.9104
AM / Antero Midstream Corporation 8.11 152.24 4.8499 4.8499
DTM / DT Midstream, Inc. 1.44 150.35 4.7899 4.7899
FGXXX / First American Funds Inc - First American Government Obligations Fund Class X 146.32 146.32 4.6615 4.6615
PAGP / Plains GP Holdings, L.P. - Limited Partnership 7.70 135.57 4.3189 4.3189
EPD / Enterprise Products Partners L.P. - Limited Partnership 4.29 132.08 4.2078 4.2078
PPL / Pembina Pipeline Corporation 3.50 131.01 4.1737 4.1737
WES / Western Midstream Partners, LP - Limited Partnership 2.45 91.54 2.9163 2.9163
HESM / Hess Midstream LP 2.46 91.14 2.9036 2.9036
KEYUF / Keyera Corp. 2.81 85.61 2.7274 2.7274
SUN / Sunoco LP - Limited Partnership 0.61 32.88 1.0475 1.0475
PAA / Plains All American Pipeline, L.P. - Limited Partnership 1.22 20.20 0.6434 0.6434
CWEN / Clearway Energy, Inc. 0.56 17.25 0.5496 0.5496
EE / Excelerate Energy, Inc. 0.61 17.13 0.5457 0.5457
SRE / Sempra 0.21 16.77 0.5341 0.5341
SOBCF / South Bow Corporation 0.56 14.61 0.4653 0.4653
VG / Venture Global, Inc. 0.94 10.91 0.3476 0.3476
KGS / Kodiak Gas Services, Inc. 0.25 8.82 0.2809 0.2809
KNTK / Kinetik Holdings Inc. 0.19 8.68 0.2766 0.2766
WLKP / Westlake Chemical Partners LP - Limited Partnership 0.12 2.60 0.0827 0.0827