# EDGAR Filing Document

**Accession Number:** 0001562565
**File Stem:** 0000035402-25-001583
**Filing Date:** 2025-11
**Character Count:** 7335
**Document Hash:** 74d894ff4c9ba9ff4433629779ed629d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035402-25-001583.hdr.sgml**: 20251121

**ACCESSION NUMBER**: 0000035402-25-001583

**CONFORMED SUBMISSION TYPE**: 24F-2NT

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250831

**FILED AS OF DATE**: 20251121

**DATE AS OF CHANGE**: 20251121

**EFFECTIVENESS DATE**: 20251121

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Fidelity Merrimack Street Trust
- **CENTRAL INDEX KEY:** 0001562565

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-186372
- **FILM NUMBER:** 251507574

**BUSINESS ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 617-563-7000

**MAIL ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

## Series and Classes Contracts Data

### Fidelity Corporate Bond ETF (Series ID: S000040431)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| Fidelity Corporate Bond ETF | FCOR          | C000125598 |

---

### Fidelity Total Bond ETF (Series ID: S000042567)

---

|  |  |  |
|:---|:---|:---|
| Class Name              | Ticker Symbol | Class ID   |
| Fidelity Total Bond ETF | FBND          | C000131659 |

---

### Fidelity Limited Term Bond ETF (Series ID: S000042569)

---

|  |  |  |
|:---|:---|:---|
| Class Name                     | Ticker Symbol | Class ID   |
| Fidelity Limited Term Bond ETF | FLTB          | C000131661 |

---

### Fidelity Low Duration Bond Factor ETF (Series ID: S000062079)

---

|  |  |  |
|:---|:---|:---|
| Class Name                            | Ticker Symbol | Class ID   |
| Fidelity Low Duration Bond Factor ETF | FLDR          | C000201028 |

---

### Fidelity Investment Grade Bond ETF (Series ID: S000071131)

---

|  |  |  |
|:---|:---|:---|
| Class Name                         | Ticker Symbol | Class ID   |
| Fidelity Investment Grade Bond ETF | FIGB          | C000225826 |

---

### Fidelity Investment Grade Securitized ETF (Series ID: S000071132)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                | Ticker Symbol | Class ID   |
| Fidelity Investment Grade Securitized ETF | FSEC          | C000225827 |

---

### Fidelity Sustainable Core Plus Bond ETF (Series ID: S000075900)

---

|  |  |  |
|:---|:---|:---|
| Class Name                              | Ticker Symbol | Class ID   |
| Fidelity Sustainable Core Plus Bond ETF | FSBD          | C000235241 |

---

### Fidelity Sustainable Low Duration Bond ETF (Series ID: S000075901)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| Fidelity Sustainable Low Duration Bond ETF | FSLD          | C000235242 |

---

### Fidelity Tactical Bond ETF (Series ID: S000079047)

---

|  |  |  |
|:---|:---|:---|
| Class Name                 | Ticker Symbol | Class ID   |
| Fidelity Tactical Bond ETF | FTBD          | C000239880 |

---

### Fidelity Low Duration Bond ETF (Series ID: S000084018)

---

|  |  |  |
|:---|:---|:---|
| Class Name                     | Ticker Symbol | Class ID   |
| Fidelity Low Duration Bond ETF | FLDB          | C000248144 |

---

## Series and Classes Contracts Data

### Fidelity Corporate Bond ETF (Series ID: S000040431)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000125598 | Fidelity Corporate Bond ETF | FCOR            |

### Fidelity Total Bond ETF (Series ID: S000042567)

| Class ID   | Class Name              | Ticker Symbol   |
|:---|:---|:---|
| C000131659 | Fidelity Total Bond ETF | FBND            |

### Fidelity Limited Term Bond ETF (Series ID: S000042569)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000131661 | Fidelity Limited Term Bond ETF | FLTB            |

### Fidelity Low Duration Bond Factor ETF (Series ID: S000062079)

| Class ID   | Class Name                            | Ticker Symbol   |
|:---|:---|:---|
| C000201028 | Fidelity Low Duration Bond Factor ETF | FLDR            |

### Fidelity Investment Grade Bond ETF (Series ID: S000071131)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000225826 | Fidelity Investment Grade Bond ETF | FIGB            |

### Fidelity Investment Grade Securitized ETF (Series ID: S000071132)

| Class ID   | Class Name                                | Ticker Symbol   |
|:---|:---|:---|
| C000225827 | Fidelity Investment Grade Securitized ETF | FSEC            |

### Fidelity Sustainable Core Plus Bond ETF (Series ID: S000075900)

| Class ID   | Class Name                              | Ticker Symbol   |
|:---|:---|:---|
| C000235241 | Fidelity Sustainable Core Plus Bond ETF | FSBD            |

### Fidelity Sustainable Low Duration Bond ETF (Series ID: S000075901)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000235242 | Fidelity Sustainable Low Duration Bond ETF | FSLD            |

### Fidelity Tactical Bond ETF (Series ID: S000079047)

| Class ID   | Class Name                 | Ticker Symbol   |
|:---|:---|:---|
| C000239880 | Fidelity Tactical Bond ETF | FTBD            |

### Fidelity Low Duration Bond ETF (Series ID: S000084018)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000248144 | Fidelity Low Duration Bond ETF | FLDB            |

## FORM 24F-2NT: Annual Notice of Securities Sold Pursuant to Rule 24f-2

### 24F-2NT: Filer Information

**Filer CIK:** 0001562565

**Is this a LIVE or TEST Filing?:** LIVE

**Filer Investment Company Type:** N-1A

### 24F-2NT: Annual Filing Information

**1. Name and address of issuer:**

- **Name of Issuer:** Fidelity Merrimack Street Trust

- **Address:** 245 Summer Street, Boston, MA 02210

**2. The Name and EDGAR Identifier of each series or class of securities for which this Form is filed:**

- [ ] Check box if the Form is being filed for all series and classes of the issuer.

**3. Investment Company Act File Number:** 811-22796

   **Securities Act File Number:** 333-186372

**4(a). Last day of fiscal year for which this Form is filed:** 08/31/2025

**4(b). Check box if this Form is being filed late:** [ ]

**4(c). Check box if this is the last time the issuer will be filing this Form:** [ ]

**5. Calculation of registration fee:**

- **(i) Aggregate sale price of securities sold during the fiscal year:** $14068274916.00

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $496665527.00

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $0.00

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $496665527.00

- **(v) Net sales:** $13571609389.00

- **(vi) Redemption credits available for use in future years:** $0.00

- **(vii) Multiplier for determining registration fee:** 0.0001381

- **(viii) Registration fee due:** $1874239.26

**Explanatory Notes (if any):**
0

**Signatures**

**Name and Title:** President and Treasurer

**Date:** 08/31/2025

**Signature:** Laura M. Del Prato