| Ctfs. | – Certificates |
| IO | – Interest Only |
| LIBOR | – London Interbank Offered Rate |
| Pfd. | – Preferred |
| REIT | – Real Estate Investment Trust |
| REMICs | – Real Estate Mortgage Investment Conduits |
| SOFR | – Secured Overnight Financing Rate |
| STACR® | – Structured Agency Credit Risk |
| TBA | – To Be Announced |
| USD | – U.S. Dollar |
| (a) | Security purchased or received in a transaction exempt from registration under the Securities Act of 1933, as amended (the “1933 Act”). The security may be resold pursuant to an exemption from registration under the 1933 Act, typically to qualified institutional buyers. The aggregate value of these securities at November 30, 2022 was $292,524,791, which represented 75.37% of the Fund’s Net Assets. |
| (b) | Interest rate is redetermined periodically based on the cash flows generated by the pool of assets backing the security, less any applicable fees. The rate shown is the rate in effect on November 30, 2022. |
| (c) | Interest only security. Principal amount shown is the notional principal and does not reflect the maturity value of the security. Interest rate is redetermined periodically based on the cash flows generated by the pool of assets backing the security, less any applicable fees. The rate shown is the rate in effect on November 30, 2022. |
| (d) | Step coupon bond. The interest rate represents the coupon rate at which the bond will accrue at a specified future date. |
| (e) | Interest or dividend rate is redetermined periodically. Rate shown is the rate in effect on November 30, 2022. |
| (f) | Interest only security. Principal amount shown is the notional principal and does not reflect the maturity value of the security. |
| (g) | Security purchased on a forward commitment basis. This security is subject to dollar roll transactions. |
| (h) | Security issued at a fixed rate for a specific period of time, after which it will convert to a variable rate. |
| (i) | All or a portion of this security was out on loan at November 30, 2022. |
| (j) | Security traded on a discount basis. The interest rate shown represents the discount rate at the time of purchase by the Fund. |
| (k) | Affiliated issuer. The issuer and/or the Fund is a wholly-owned subsidiary of Invesco Ltd., or is affiliated by having an investment adviser that is under common control of Invesco Ltd. The table below shows the Fund’s transactions in, and earnings from, its investments in affiliates for the nine months ended November 30, 2022. |
| Value February 28, 2022 | Purchases at Cost | Proceeds from Sales | Change in Unrealized Appreciation | Realized Gain | Value November 30, 2022 | Dividend Income | |
| Investments in Affiliated Money Market Funds: | |||||||
| Invesco Government & Agency Portfolio, Institutional Class | $17,855,736 | $133,742,565 | $(142,726,759) | $- | $- | $8,871,542 | $227,590 |
| Invesco Treasury Portfolio, Institutional Class | 11,903,824 | 89,161,710 | (95,151,172) | - | - | 5,914,362 | 147,911 |
| Value February 28, 2022 | Purchases at Cost | Proceeds from Sales | Change in Unrealized Appreciation | Realized Gain | Value November 30, 2022 | Dividend Income | |
| Investments Purchased with Cash Collateral from Securities on Loan: | |||||||
| Invesco Private Government Fund | $- | $1,747,552 | $(1,703,744) | $- | $- | $43,808 | $715* |
| Invesco Private Prime Fund | - | 4,428,417 | (4,315,838) | 23 | 18 | 112,620 | 1,963* |
| Total | $29,759,560 | $229,080,244 | $(243,897,513) | $23 | $18 | $14,942,332 | $378,179 |
| * | Represents the income earned on the investment of cash collateral. Does not include rebates and fees paid to lending agent or premiums received from borrowers, if any. |
| (l) | The rate shown is the 7-day SEC standardized yield as of November 30, 2022. |
| (m) | The security has been segregated to satisfy the commitment to return the cash collateral received in securities lending transactions upon the borrower’s return of the securities loaned. |
| Open Centrally Cleared Credit Default Swap Agreements(a) | ||||||||||
| Reference Entity | Buy/Sell Protection | (Pay)/ Receive Fixed Rate | Payment Frequency | Maturity Date | Implied Credit Spread(b) | Notional Value | Upfront Payments Paid (Received) | Value | Unrealized Appreciation (Depreciation) | |
| Credit Risk | ||||||||||
| J.P. Morgan Securities LLC | Sell | 2.00% | Monthly | 12/16/2072 | 3.369% | USD | 10,000,000 | $(807,664) | $(738,796) | $68,868 |
| Credit Risk | ||||||||||
| J.P. Morgan Securities LLC | Buy | (2.00) | Monthly | 10/17/2057 | 2.759 | USD | 10,000,000 | 159,389 | 130,312 | (29,076) |
| Total Centrally Cleared Credit Default Swap Agreements | $(648,275) | $(608,484) | $39,792 | |||||||
| (a) | Centrally cleared swap agreements collateralized by $80,772 cash held with Merrill Lynch International. |
| (b) | Implied credit spreads represent the current level, as of November 30, 2022, at which protection could be bought or sold given the terms of the existing credit default swap agreement and serve as an indicator of the current status of the payment/performance risk of the credit default swap agreement. An implied credit spread that has widened or increased since entry into the initial agreement may indicate a deteriorating credit profile and increased risk of default for the reference entity. A declining or narrowing spread may indicate an improving credit profile or decreased risk of default for the reference entity. Alternatively, credit spreads may increase or decrease reflecting the general tolerance for risk in the credit markets generally. |
| Level 1 | Level 2 | Level 3 | Total | |
| Investments in Securities | ||||
| Asset-Backed Securities | $— | $296,690,243 | $— | $296,690,243 |
| Agency Credit Risk Transfer Notes | — | 42,405,998 | — | 42,405,998 |
| U.S. Government Sponsored Agency Mortgage-Backed Securities | — | 31,160,045 | — | 31,160,045 |
| Preferred Stocks | 27,045,519 | — | — | 27,045,519 |
| U.S. Treasury Securities | — | 1,708,802 | — | 1,708,802 |
| Money Market Funds | 14,785,904 | 156,428 | — | 14,942,332 |
| Total Investments in Securities | 41,831,423 | 372,121,516 | — | 413,952,939 |
| Other Investments - Assets* | ||||
| Swap Agreements | — | 68,868 | — | 68,868 |
| Other Investments - Liabilities* | ||||
| Swap Agreements | — | (29,076) | — | (29,076) |
| Total Other Investments | — | 39,792 | — | 39,792 |
| Total Investments | $41,831,423 | $372,161,308 | $— | $413,992,731 |
| * | Unrealized appreciation (depreciation). |