LIBERTY BROADBAND-C (LBRDK) Institutional Shareholders
LIBERTY BROADBAND-C (LBRDK) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.19B in LBRDK holdings during the latest filing period.
Eagle Capital Management is currently the largest disclosed institutional shareholder of LBRDK tracked by InsiderSet, reporting ownership valued at approximately $336.99M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $228.05M, representing an estimated loss of -32.33% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 43% of the total disclosed LBRDK value among the investors covered in this analysis. Major shareholders include Eagle Capital Management, Blackrock, Inc., Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in LIBERTY BROADBAND-C (LBRDK).
This page ranks the largest institutional LBRDK shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
363
Total Reported Value
$5.19B
Largest Holder
Eagle Capital Management
Largest Position
$336.99M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
58
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Eagle Capital Management | Ravenel Boykin Curry IV | 1.13% | 6,699,546 | $336,987,140 | $228,052,546 | -$108,934,594 | -32.33% |
| Blackrock, Inc. | 0.00% | 5,464,969 | $274,887,966 | $186,027,545 | -$88,860,421 | -32.33% | |
| Vanguard Capital Management Llc | 0.01% | 5,323,493 | $267,771,698 | $181,211,702 | -$86,559,996 | -32.33% | |
| Vanguard Portfolio Management Llc | 0.01% | 5,096,518 | $256,354,855 | $173,485,473 | -$82,869,382 | -32.33% | |
| First Pacific Advisors, Lp | 3.27% | 4,642,610 | $233,523,283 | $158,034,444 | -$75,488,839 | -32.33% | |
| Hbk Investments L P | 2.72% | 4,289,014 | $215,737,404 | $145,998,037 | -$69,739,367 | -32.33% | |
| Harris Associates L P | 0.27% | 4,028,727 | $202,644,943 | $137,137,867 | -$65,507,076 | -32.33% | |
| Millennium Management Llc | 0.12% | 3,186,971 | $160,304,641 | $108,484,493 | -$51,820,148 | -32.33% | |
| Storebrand Asset Management As | 0.05% | 987,499 | $139,141,796 | $33,614,466 | -$105,527,330 | -75.84% | |
| Pentwater Capital Management Lp | 0.89% | 2,493,644 | $125,430,293 | $84,883,642 | -$40,546,651 | -32.33% | |
| Adage Capital Partners Gp, L.L.C. | 0.19% | 2,433,667 | $122,413,450 | $82,842,025 | -$39,571,425 | -32.33% | |
| Dimensional Fund Advisors Lp | 0.02% | 2,360,674 | $118,759,366 | $80,357,343 | -$38,402,023 | -32.34% | |
| Geode Capital Management, Llc | 0.01% | 2,213,057 | $111,591,741 | $75,332,460 | -$36,259,281 | -32.49% | |
| Tudor Investment Corp Et Al | 0.58% | 2,135,654 | $107,423,396 | $72,697,662 | -$34,725,734 | -32.33% | |
| State Street Corp | 0.00% | 2,040,697 | $102,647,059 | $69,465,326 | -$33,181,733 | -32.33% | |
| Aristeia Capital, L.L.C. | 2.19% | 1,893,185 | $95,227,206 | $64,444,017 | -$30,783,189 | -32.33% | |
| Morgan Stanley | 0.01% | 1,815,047 | $91,296,961 | $61,784,200 | -$29,512,761 | -32.33% | |
| Assenagon Asset Management S.A. | 0.10% | 2,416,591 | $80,375,817 | $82,260,758 | +$1,884,941 | +2.35% | |
| Neuberger Berman Group Llc | 0.06% | 1,490,069 | $74,950,470 | $50,721,949 | -$24,228,521 | -32.33% | |
| Whitebox Advisors Llc | 1.07% | 1,477,741 | $74,330,372 | $50,302,304 | -$24,028,068 | -32.33% | |
| Man Group Plc | 0.15% | 1,430,157 | $71,936,898 | $48,682,544 | -$23,254,354 | -32.33% | |
| Aqr Arbitrage Llc | 1.11% | 1,343,024 | $67,554,107 | $45,716,537 | -$21,837,570 | -32.33% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,238,708 | $62,307,012 | $42,165,620 | -$20,141,392 | -32.33% | |
| Madison Asset Management, Llc | 0.74% | 1,188,921 | $59,802,747 | $40,470,871 | -$19,331,876 | -32.33% | |
| Goldman Sachs Group Inc | 0.01% | 1,187,887 | $59,750,691 | $40,435,673 | -$19,315,018 | -32.33% | |
| Sequoia Fund | Ruane, Cunniff & Goldfarb | 0.97% | 1,163,448 | $58,521,434 | $39,603,770 | -$18,917,664 | -32.33% |
| Ubs Group Ag | 0.01% | 956,354 | $48,104,606 | $32,554,290 | -$15,550,316 | -32.33% | |
| Empyrean Capital Partners, Lp | 1.54% | 920,781 | $46,315,284 | $31,343,385 | -$14,971,899 | -32.33% | |
| Schonfeld Strategic Advisors Llc | 0.37% | 915,131 | $46,031,087 | $31,151,059 | -$14,880,028 | -32.33% | |
| Deutsche Bank Ag\ | 0.01% | 847,606 | $42,634,582 | $28,852,508 | -$13,782,074 | -32.33% | |
| Tidal Investments Llc | 0.13% | 828,116 | $42,614,849 | $28,189,069 | -$14,425,780 | -33.85% | |
| Capula Management Ltd | 0.37% | 838,294 | $42,166,188 | $28,535,528 | -$13,630,660 | -32.33% | |
| Fort Baker Capital Management Lp | 3.74% | 837,202 | $42,111,260 | $28,498,356 | -$13,612,904 | -32.33% | |
| D. E. Shaw & Co., Inc. | 0.03% | 829,575 | $41,727,623 | $28,238,733 | -$13,488,890 | -32.33% | |
| Jones Financial Companies Lllp | 0.02% | 780,058 | $39,814,114 | $26,553,174 | -$13,260,940 | -33.31% | |
| Vanguard Fiduciary Trust Co | 0.01% | 731,763 | $36,807,679 | $24,909,213 | -$11,898,466 | -32.33% | |
| Magnetar Financial Llc | 0.37% | 723,751 | $36,404,675 | $24,636,484 | -$11,768,191 | -32.33% | |
| Marshall Wace, Llp | 0.04% | 658,891 | $33,142,218 | $22,428,650 | -$10,713,568 | -32.33% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 644,778 | $32,432,333 | $21,948,243 | -$10,484,090 | -32.33% | |
| Northern Trust Corp | 0.00% | 633,520 | $31,866,056 | $21,565,021 | -$10,301,035 | -32.33% | |
| Verition Fund Management Llc | 0.30% | 612,900 | $30,828,870 | $20,863,116 | -$9,965,754 | -32.33% | |
| Rothschild & Co Wealth Management Uk Ltd | 0.44% | 923,428 | $30,713,215 | $31,433,489 | +$720,274 | +2.35% | |
| Polar Asset Management Partners Inc. | 0.72% | 600,000 | $30,180,000 | $20,424,000 | -$9,756,000 | -32.33% | |
| Weitz Investment Management, Inc. | 2.02% | 576,000 | $28,972,800 | $19,607,040 | -$9,365,760 | -32.33% | |
| Aqr Capital Management Llc | 0.01% | 519,924 | $26,152,159 | $17,698,213 | -$8,453,946 | -32.33% | |
| Bank Of America Corp | 0.00% | 512,174 | $25,762,352 | $17,434,403 | -$8,327,949 | -32.33% | |
| Sagefield Capital Lp | 1.82% | 503,660 | $25,334,098 | $17,144,586 | -$8,189,512 | -32.33% | |
| Ing Groep Nv | 0.15% | 477,600 | $24,023,280 | $16,257,504 | -$7,765,776 | -32.33% | |
| Alpine Associates Management Inc. | 1.40% | 472,162 | $23,749,748 | $16,072,394 | -$7,677,354 | -32.33% | |
| Caxton Associates Llp | 0.52% | 447,192 | $22,493,758 | $15,222,416 | -$7,271,342 | -32.33% |
Frequently asked questions about LBRDK
Who owns the most LBRDK stock?
The largest holders of LBRDK are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for LIBERTY BROADBAND-C (LBRDK).
Is LBRDK widely held by superinvestors?
Many widely followed stocks like LBRDK appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly LBRDK is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.