Invesco DBC fund updates commodity index rules

Invesco DB Commodity Index Tracking Fund filed an amended report to confirm that planned changes to its benchmark index methodology have now been implemented.

Rhea-AI Filing Summary

Invesco DB Commodity Index Tracking Fund filed an amended report to confirm that planned changes to its benchmark index methodology have now been implemented. Effective November 10, 2025, Deutsche Bank AG modified the DBIQ Optimum Yield Diversified Commodity Index Excess, which the fund seeks to track.

The index’s commodity universe was expanded to add several contracts such as Gas Oil, Comex Copper, various base metals, precious metals, livestock, and soft commodities including cocoa, coffee, cotton, and additional agricultural products. The Optimum Yield methodology was adjusted to remove contracts with limited liquidity, introduce a rules-based annual review of base weights, apply sector and single-commodity caps and floors to limit concentration, and allow intra-year rebalancing if allocations drift significantly from targets. The fund states these changes will not affect its investment objective.

Insights

ETF and index methodology analyst

Index rules are refined and broadened while the fund’s stated objective remains unchanged.

The fund now tracks a revised DBIQ Optimum Yield Diversified Commodity Index Excess. Changes expand the commodity set, adjust weightings annually, and refine the Optimum Yield process to exclude less liquid contracts and rebalance more responsively.

Sector and single-commodity caps and floors are introduced to limit concentration, and intra-year rebalancing can occur when weights deviate meaningfully from annual targets. The filing explicitly notes that the fund’s investment objective does not change, so the update mainly affects portfolio construction and risk balance rather than headline strategy.

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.

FAQ

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What index changes does Invesco DB Commodity Index Tracking Fund (DBC) report?

The fund reports that Deutsche Bank AG modified the DBIQ Optimum Yield Diversified Commodity Index Excess. Changes expand the commodity list, adjust the Optimum Yield rules, introduce annual weight reviews, set sector and commodity caps, and allow intra-year rebalancing when allocations deviate significantly.

Does the new index methodology change DBC’s investment objective?

No, the filing states the changes will not affect the fund’s investment objective. The revisions target how the benchmark index is constructed and rebalanced, including liquidity screens and weighting rules, rather than altering the overall goal of tracking diversified commodity exposure.

Which new commodities were added to DBC’s benchmark index under the revised rules?

The expanded index universe now includes Gas Oil, Comex Copper, Lead, Nickel, Platinum, Feeder Cattle, Cocoa, Coffee, Cotton, Lean Hogs, Live Cattle, Kansas Wheat, Soybean Meal, and Soybean Oil. These are selected under an annual review process emphasizing liquidity and economic importance.

How will weight limits and rebalancing work in the updated DBC index?

The revised methodology introduces sector and single-commodity caps and floors applied annually at rebalance, reducing concentration risk. It also permits intra-year rebalancing events when large deviations from annual target weights occur on monthly observation dates to limit tracking drift from desired allocations.

When did the new index methodology for DBC take effect?

The filing states the index methodology modifications became effective November 10, 2025. On that date, Deutsche Bank AG implemented the expanded commodity universe, updated Optimum Yield rules, new weight limits, and intra-year rebalancing framework for the DBIQ Optimum Yield Diversified Commodity Index Excess.

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Accepted by SEC EDGAR 11/10/2025 - 07:55 AM Learn about SEC filing dates

true 0001328237 0001328237 2025-09-26 2025-09-26

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

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.

Explanatory Note

This amendment to the Current Report on Form 8-K that was filed on September 26, 2025 (the “Original 8-K”) is being filed to notify shareholders of the Invesco DB Commodity Index Tracking Fund that the planned changes to the index methodology described in the Original 8-K have been implemented, resulting in the changes described below.

Item 8.01 Other Events

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

1. Expanded Commodity Universe		• Eligible commodities are determined annually based on their liquidity and economic importance. • Under the new methodology, the commodities included in the Index expanded to include Gas Oil, Comex Copper, Lead, Nickel, Platinum, Feeder Cattle, Cocoa, Coffee, Cotton, Lean Hogs, Live Cattle, Wheat (Kansas Wheat), Soybean Meal and Soybean Oil.
2. Modified Optimum Yield Methodology		• The Optimum Yield methodology was modified to eliminate contracts with limited liquidity.
3. Annual Review of Base Weights and Commodities		• The static allocations to commodities were 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:		November 10, 2025
						Title:		Secretary