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               Liberty Broadband Corporation 
             | 
          
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               (Name of Issuer) 
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               Series A Cumulative Redeemable Preferred Stock 
             | 
          
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               (Title of Class of Securities) 
             | 
          
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               530307503 
             | 
          
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               (CUSIP Number) 
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               December 31, 2021 
             | 
          
| 
               (Date of Event which Requires Filing of this Statement) 
             | 
          
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               1 
             | 
            
               Names of Reporting Persons. 
              City National Rochdale LLC 
              I.R.S. Identification Nos. of above persons (entities only) 
             | 
            |
| 
               2 
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               Check the Appropriate Box if a Member of a Group (See Instructions) 
             | 
            |
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               (a)            [ ] 
             | 
            ||
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               (b)            [ ] 
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            ||
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               3 
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               SEC Use Only 
             | 
            |
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               4 
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               Citizenship or Place of Organization. 
              Delaware 
               | 
            
| 
               Number 
              of Shares 
              Beneficially 
              Owned by 
              Each 
              Reporting 
              Person With 
                  | 
            
               5            Sole Voting Power 
              0 
             | 
          
| 
               6            Shared Voting Power 
              688,654 shares 
               | 
          |
| 
               7  Sole Dispositive Power 
              0 
             | 
          |
| 
               8  Shared Dispositive Power 
              688,654 shares 
               | 
          
| 
               9 
             | 
            
               Aggregate Amount Beneficially Owned by Each Reporting Person 
              688,654 shares 
               | 
            ||
| 
               10 
             | 
            
               Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  [ ] 
               | 
            ||
| 
               11 
             | 
            
               Percent of Class Represented by Amount in Row (9) 
              9.6% 
               | 
            ||
| 
               12 
             | 
            
               Type of Reporting Person (See Instructions) 
              IA 
             | 
            
| 
             1. 
           | 
          
             NAMES OF REPORTING PERSONS 
            I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) 
            RBC Capital Markets, LLC 
             | 
        
| 
             2. 
           | 
          
             CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
            (see instructions) (a) ☐ 
            (b) ☐ 
           | 
        
| 
             3. 
           | 
          
             SEC USE ONLY 
           | 
        
| 
             4. 
           | 
          
             CITIZENSHIP OR PLACE OF ORGANIZATION 
            Minnesota 
           | 
        
| 
             NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 
           | 
          
             5. 
           | 
          
             SOLE VOTING POWER 
            0 
           | 
        
| 
             6. 
           | 
          
             SHARED VOTING POWER 
            688,564 
           | 
        |
| 
             7. 
           | 
          
             SOLE DISPOSITIVE POWER 
            0 
           | 
        |
| 
             8. 
           | 
          
             SHARED DISPOSITIVE POWER 
            688,564 
           | 
        
| 
             9. 
           | 
          
             AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
            688,564 
           | 
        
| 
             10. 
           | 
          
             CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 
            (see instructions) ☐ 
           | 
        
| 
             11. 
           | 
          
             PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
            9.6% 
           | 
        
| 
             12. 
           | 
          
             TYPE OF REPORTING PERSON (see instructions) 
            IA 
           | 
        
| 
             1. 
           | 
          
             NAMES OF REPORTING PERSONS 
            I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) 
            RBC Trust Company (Delaware) Limited 
             | 
        
| 
             2. 
           | 
          
             CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
            (see instructions) (a) ☐ 
            (b) ☐ 
           | 
        
| 
             3. 
           | 
          
             SEC USE ONLY 
           | 
        
| 
             4. 
           | 
          
             CITIZENSHIP OR PLACE OF ORGANIZATION 
            Delaware 
           | 
        
| 
             NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 
           | 
          
             5. 
           | 
          
             SOLE VOTING POWER 
            0 
           | 
        
| 
             6. 
           | 
          
             SHARED VOTING POWER 
            688,564 
           | 
        |
| 
             7. 
           | 
          
             SOLE DISPOSITIVE POWER 
            0 
           | 
        |
| 
             8. 
           | 
          
             SHARED DISPOSITIVE POWER 
            688,564 
           | 
        
| 
             9. 
           | 
          
             AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
            688,564 
           | 
        
| 
             10. 
           | 
          
             CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 
            (see instructions) ☐ 
           | 
        
| 
             11. 
           | 
          
             PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
            9.6% 
           | 
        
| 
             12. 
           | 
          
             TYPE OF REPORTING PERSON (see instructions) 
            BK 
           | 
        
| (a) | 
             Name of Issuer 
           | 
        
| 
             Liberty Broadband Corporation 
           | 
        
| (b) | 
             Address of Issuer’s Principal Executive Offices 
           | 
        
| 
             12300 Liberty Blvd., Englewood, CO 80112 
           | 
        
| (a) | 
             Name of Person Filing 
           | 
        
| 
             1.  City National Rochdale, LLC 
            2.  RBC Capital Markets, LLC 
           | 
        
| 
             3.  RBC Trust Company (Delaware) Limited 
           | 
        
| (b) | 
             Address of the Principal Office or, if none, residence 
           | 
        
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             1.  400 Park Avenue, New York, NY 10022 
              2.  200 Vesey Street, New York, NY 10281 
             | 
        
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             3.  4550 New Linden Hill Road, Suite 200, Wilmington, DE 19808 
           | 
        
| (c) | 
             Citizenship 
           | 
        
| 
             See Item 4 of the cover pages. 
           | 
        
| (d) | 
             Title of Class of Securities 
           | 
        
| 
             Common Stock 
           | 
        
| (e) | 
             CUSIP Number 
           | 
        
| 
             530307503 
           | 
        
| 
               (a) 
             | 
            
               [X] 
             | 
            
               Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). 
             | 
          
| 
               (b) 
             | 
            
               [X] 
             | 
            
               Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). 
             | 
          
| 
               (c) 
             | 
            
               [  ] 
             | 
            
               Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). 
             | 
          
| 
               (d) 
             | 
            
               [  ] 
             | 
            
               Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). 
             | 
          
| 
               (e) 
             | 
            
               [X] 
             | 
            
               An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E); 
             | 
          
| 
               (f) 
             | 
            
               [  ] 
             | 
            
               An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F); 
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| 
               (g) 
             | 
            
               [  ] 
             | 
            
               A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G); 
             | 
          
| 
               (h) 
             | 
            
               [  ] 
             | 
            
               A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); 
             | 
          
| 
               (i) 
             | 
            
               [  ] 
             | 
            
               A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); 
             | 
          
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               (j) 
             | 
            
               [  ] 
             | 
            
               Group, in accordance with §240.13d-1(b)(1)(ii)(J). 
             | 
          
| (a) | 
             Amount beneficially owned:  See Item 9 of the cover pages. 
           | 
        
| (b) | 
             Percent of class: See Item 11 of the cover pages. 
           | 
        
| (c) | 
             Number of shares as to which the person has: 
           | 
        
| (i) | 
             Sole power to vote or to direct the vote: See Item 5 of the cover pages. 
           | 
        
| (ii) | 
             Shared power to vote or to direct the vote: See Item 6 of the cover pages. 
           | 
        
| (iii) | 
             Sole power to dispose or to direct the disposition of: See Item 7 of the cover pages. 
           | 
        
| (iv) | 
             Shared power to dispose or to direct the disposition of: See Item 8 of the cover pages. 
           | 
        
| 99.1 | 
             Joint Filing Agreement, executed by the Reporting Persons. 
           | 
        
| 
             February 14, 2022 
           | 
        |
| 
                        Date 
           | 
        |
| 
             | 
        |
| 
             CITY NATIONAL ROCHDALE, LLC 
            By: /s/ Richard J. Barton 
            Richard J. Barton 
            Chief Compliance Officer 
           | 
        |
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             RBC CAPITAL MARKETS, LLC 
           | 
        |
| 
             By: /s/ Matthew Abrusci 
           | 
        |
| 
             Matthew Abrusci 
           | 
        |
| 
             Head of U.S. Capital Markets Law Group 
           | 
        |
| 
             RBC TRUST COMPANY (DELAWARE) LIMITED 
           | 
        |
| 
             By: /s/ Michael Appley 
           | 
        |
| 
             Michael Appley 
           | 
        |
| 
             Managing Director 
           |