Index changes for Invesco DB Commodity Fund (NYSE: DBC) detailed

Rhea-AI Filing Summary

Invesco DB Commodity Index Tracking Fund reported upcoming changes to the DBIQ Optimum Yield Diversified Commodity Index Excess Return, which the fund seeks to track. Effective November 10, 2025, Deutsche Bank AG, the index provider, will expand the eligible commodity universe based on liquidity and economic importance, with an expectation of more commodities in the index universe.

The index’s Optimum Yield methodology will be adjusted to remove contracts with limited liquidity, and the current static commodity allocations will move to a rules-based annual review tied to global production and market liquidity. New annual weight limits will introduce sector and single-commodity caps and floors to reduce concentration risk, and intra-year rebalancing events may occur if large deviations from target weights are observed monthly. The fund stated that these index changes will not affect its investment objective.

Insights

ETF and index methodology analyst

Fund’s tracked index is being modernized without changing its stated objective.

The filing explains that the DBIQ Optimum Yield Diversified Commodity Index Excess Return, which the Invesco DB Commodity Index Tracking Fund follows, will undergo several methodology updates effective November 10, 2025. Changes include expanding the commodity universe based on liquidity and economic importance and modifying the Optimum Yield methodology to avoid contracts with limited liquidity.

The index will shift from static allocations to a rules-based annual review that uses global production and market liquidity, and will introduce sector and single-commodity caps and floors to manage concentration. It also allows intra-year rebalancing when large deviations from annual target weights occur at monthly observation dates. The fund explicitly states that these changes will not affect its investment objective, so the impact centers on how exposure is implemented rather than on a new goal.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 26, 2025

INVESCO DB COMMODITY INDEX TRACKING FUND

(Exact name of registrant as specified in its charter)

Delaware		001-32726		32-6042243
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

c/o Invesco Capital Management LLC 3500 Lacey Road, Suite 700 Downers Grove, Illinois		60515
(Address of principal executive offices)		(Zip Code)

(800) 983-0903

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Units of Beneficial Interest		DBC		NYSE Arca, Inc.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

☐ Emerging growth company

☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to section 13(a) of the Exchange Act.

Item 8.01 Other Events

Effective November 10, 2025, changes will be made to the DBIQ Optimum Yield Diversified Commodity Index Excess Return^TM (the “Index”), the index the Invesco DB Commodity Index Tracking Fund seeks to track. The changes to the Index are being implemented by Deutsche Bank AG, the Index provider. A summary of the changes are as follows:

1. Expanded Commodity Universe		• Eligible commodities will be determined annually based on their liquidity and economic importance. • Under the new methodology, the number of commodities included in the Index universe is expected to expand.
2. Modified Optimum Yield Methodology		• The current Optimum Yield methodology will be modified to eliminate contracts with limited liquidity.
3. Annual Review of Base Weights and Commodities		• The current static allocations to commodities will be changed by implementing a rules-based annual review to better reflect current global production and market liquidity.
4. Weight Limits (Annually at Rebalance)		• Implementation of sector and single commodity caps and floors to reduce concentration risk.
5. Intra-year Rebalancing Events		• An intra-year rebalance event will be triggered should a large deviation occur on a monthly observation date to help prevent significant deviations from annual rebalance target weights.

The changes described herein will not effect the Fund’s Investment Objective.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Invesco DB Commodity Index Tracking Fund
		By:		Invesco Capital Management LLC, its Managing Owner
				By:		/s/ Adam Henkel
						Name:		Adam Henkel
						Date:		September 26, 2025
						Title:		Secretary

FAQ

What change did Invesco DB Commodity Index Tracking Fund (DBC) report?

The fund reported that, effective November 10, 2025, the DBIQ Optimum Yield Diversified Commodity Index Excess Return it seeks to track will adopt a revised methodology, including changes to the commodity universe, weighting approach, and rebalancing rules.

Will the index changes affect DBC’s investment objective?

No. The fund stated that the index methodology changes will not affect its Investment Objective, meaning the overall goal of providing exposure to the diversified commodity index remains the same.

What is happening to the commodity universe in the DBC index?

The eligible commodity universe will be determined annually based on liquidity and economic importance, and under the new methodology the number of commodities in the index universe is expected to expand.

How will the weighting and rebalancing of DBC’s index be updated?

The index will move from static allocations to a rules-based annual review that reflects global production and market liquidity, add sector and single-commodity caps and floors to reduce concentration risk, and permit intra-year rebalancing if large deviations from annual target weights occur.

Who is implementing the index changes for DBC?

The changes to the DBIQ Optimum Yield Diversified Commodity Index Excess Return are being implemented by Deutsche Bank AG, which is identified as the index provider.

What happens to illiquid futures contracts under the new DBC index rules?

The current Optimum Yield methodology will be modified to eliminate contracts with limited liquidity, focusing the index on more liquid contracts.