Who owns Liberty Broadband (LBRDK)
Which tracked institutional funds hold LBRDK, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See LBRDK company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-18). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
123 tracked funds added or opened LBRDK while 56 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
LBRDK’s largest tracked holder by dollar value, VANGUARD CAPITAL MANAGEMENT LLC, sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.2% of theirs — a 0.2pp gap the other way — the median holder sizes LBRDK more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in LBRDK divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 402 tracked filers holding LBRDK, 216 increased or opened the position and 170 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in LBRDK between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 19
- VANGUARD CAPITAL MANAGEMENT LLC$305M
- VANGUARD PORTFOLIO MANAGEMENT LLC$296M
- Tidal Investments LLC$43M
- VANGUARD FIDUCIARY TRUST CO$42M
- Aspen Grove Capital, LLC$14M
- Edgestream Partners, L.P.$7M
Full exits 15
- VANGUARD GROUP INC$623M
- Greenstone Partners & Co., LLC$38M
- STONEHILL CAPITAL MANAGEMENT LLC$25M
- CAPSTONE INVESTMENT ADVISORS, LLC$16M
- Y-Intercept (Hong Kong) Ltd$6M
- PICTON MAHONEY ASSET MANAGEMENT$6M
Largest adds
- First Pacific Advisors, LP$104M
- JONES FINANCIAL COMPANIES LLLP$40M
- MILLENNIUM MANAGEMENT LLC$39M
- Capula Management Ltd$35M
- ADAGE CAPITAL PARTNERS GP, L.L.C.$29M
- EAGLE CAPITAL MANAGEMENT LLC$28M
Largest trims
- BlackRock, Inc.$113M
- HBK INVESTMENTS L P$71M
- NORGES BANK$60M
- Ruane, Cunniff & Goldfarb L.P.$51M
- Assenagon Asset Management S.A.$24M
- UBS Group AG$24M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC new | 5,323,493 | $268M | 6.2% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 5,096,518 | $256M | 5.9% | 2026-Q1 |
| First Pacific Advisors, LP added | 4,642,610 | $234M | 5.4% | 2026-Q1 |
| HBK INVESTMENTS L P trimmed | 4,289,014 | $216M | 5.0% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC added | 3,924,910 | $131M | 3.0% | 2026-Q2 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. added | 2,433,667 | $122M | 2.8% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP added | 2,360,674 | $119M | 2.7% | 2026-Q1 |
| Assenagon Asset Management S.A. trimmed | 2,227,197 | $112M | 2.6% | 2026-Q1 |
| ARISTEIA CAPITAL, L.L.C. added | 1,893,185 | $95M | 2.2% | 2026-Q1 |
| BALYASNY ASSET MANAGEMENT L.P. added | 2,502,159 | $83M | 1.9% | 2026-Q2 |
| Pentwater Capital Management LP | 2,493,644 | $83M | 1.9% | 2026-Q2 |
| NEUBERGER BERMAN GROUP LLC added | 1,490,069 | $75M | 1.7% | 2026-Q1 |
| WHITEBOX ADVISORS LLC added | 1,477,741 | $74M | 1.7% | 2026-Q1 |
| Man Group plc added | 1,430,157 | $72M | 1.7% | 2026-Q1 |
| STATE STREET CORP added | 2,130,067 | $71M | 1.6% | 2026-Q2 |
| TUDOR INVESTMENT CORP ET AL trimmed | 2,049,249 | $68M | 1.6% | 2026-Q2 |
| AQR Arbitrage LLC added | 1,343,024 | $68M | 1.6% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 1,238,708 | $62M | 1.4% | 2026-Q1 |
| Madison Asset Management, LLC added | 1,188,921 | $60M | 1.4% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 1,187,887 | $60M | 1.4% | 2026-Q1 |
| JPMORGAN CHASE & CO added | 1,089,786 | $56M | 1.3% | 2026-Q1 |
| Rothschild & Co Wealth Management UK Ltd trimmed | 936,848 | $47M | 1.1% | 2026-Q1 |
| DEUTSCHE BANK AG\ added | 847,606 | $43M | 1.0% | 2026-Q1 |
| Tidal Investments LLC added | 828,116 | $43M | 1.0% | 2026-Q1 |
| Capula Management Ltd added | 838,294 | $42M | 1.0% | 2026-Q1 |
| Fort Baker Capital Management LP added | 837,202 | $42M | 1.0% | 2026-Q1 |
| BlackRock, Inc. trimmed | 1,238,524 | $41M | 1.0% | 2026-Q2 |
| NATIXIS ADVISORS, LLC added | 803,062 | $40M | 0.9% | 2026-Q1 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added | 644,778 | $32M | 0.7% | 2026-Q1 |
| NORTHERN TRUST CORP added | 633,520 | $32M | 0.7% | 2026-Q1 |
| Polar Asset Management Partners Inc. added | 600,000 | $30M | 0.7% | 2026-Q1 |
| CITIGROUP INC added | 574,011 | $29M | 0.7% | 2026-Q1 |
| Schonfeld Strategic Advisors LLC trimmed | 857,385 | $29M | 0.7% | 2026-Q2 |
| Verition Fund Management LLC added | 809,464 | $27M | 0.6% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ added | 512,174 | $26M | 0.6% | 2026-Q1 |
| Sagefield Capital LP added | 503,660 | $25M | 0.6% | 2026-Q1 |
| Empyrean Capital Partners, LP trimmed | 500,000 | $25M | 0.6% | 2026-Q1 |
| Magnetar Financial LLC added | 735,491 | $24M | 0.6% | 2026-Q2 |
| ING GROEP NV trimmed | 477,600 | $24M | 0.6% | 2026-Q1 |
| ALPINE ASSOCIATES MANAGEMENT INC. trimmed | 472,162 | $24M | 0.5% | 2026-Q1 |
| INVESTMENT MANAGEMENT ASSOCIATES INC /ADV added | 467,220 | $24M | 0.5% | 2026-Q1 |
| MORGAN STANLEY trimmed | 457,129 | $23M | 0.5% | 2026-Q1 |
| ROYAL BANK OF CANADA added | 443,926 | $22M | 0.5% | 2026-Q1 |
| Squarepoint Ops LLC added | 440,105 | $22M | 0.5% | 2026-Q1 |
| BARCLAYS PLC added | 416,175 | $21M | 0.5% | 2026-Q1 |
| JANE STREET GROUP, LLC added | 403,533 | $20M | 0.5% | 2026-Q1 |
| Quantinno Capital Management LP added | 387,044 | $19M | 0.4% | 2026-Q1 |
| Long Focus Capital Management, LLC | 375,000 | $19M | 0.4% | 2026-Q1 |
| Mount Capital Ltd | 360,485 | $18M | 0.4% | 2026-Q1 |
| READYSTATE ASSET MANAGEMENT LP trimmed | 357,905 | $18M | 0.4% | 2026-Q1 |
| Grantham, Mayo, Van Otterloo & Co. LLC added | 524,988 | $17M | 0.4% | 2026-Q2 |
| Hi-Line Capital Management, LLC added | 336,445 | $17M | 0.4% | 2026-Q1 |
| Capco Asset Management, LLC trimmed | 331,168 | $17M | 0.4% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 317,800 | $16M | 0.4% | 2026-Q1 |
| CAXTON ASSOCIATES LLP | 447,192 | $15M | 0.3% | 2026-Q2 |
| CITADEL ADVISORS LLC added | 443,216 | $15M | 0.3% | 2026-Q2 |
| Aspen Grove Capital, LLC added | 288,156 | $14M | 0.3% | 2026-Q1 |
| D. E. Shaw & Co., Inc. trimmed | 418,506 | $14M | 0.3% | 2026-Q2 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added | 271,741 | $14M | 0.3% | 2026-Q1 |
| Point72 Asset Management, L.P. added | 409,638 | $14M | 0.3% | 2026-Q2 |
| EAGLE CAPITAL MANAGEMENT LLC trimmed | 270,782 | $14M | 0.3% | 2026-Q1 |
| Alberta Investment Management Corp | 270,000 | $14M | 0.3% | 2026-Q1 |
| GLAZER CAPITAL, LLC added | 260,988 | $13M | 0.3% | 2026-Q1 |
| Slotnik Capital, LLC trimmed | 257,824 | $13M | 0.3% | 2026-Q1 |
| UBS Group AG added | 243,726 | $12M | 0.3% | 2026-Q1 |
| STATE OF WISCONSIN INVESTMENT BOARD trimmed | 231,627 | $12M | 0.3% | 2026-Q1 |
| CANADA PENSION PLAN INVESTMENT BOARD trimmed | 231,200 | $12M | 0.3% | 2026-Q1 |
| BANK OF NOVA SCOTIA added | 208,500 | $10M | 0.2% | 2026-Q1 |
| Ruane, Cunniff & Goldfarb L.P. trimmed | 303,309 | $10M | 0.2% | 2026-Q2 |
| Kintayl Capital LP added | 196,486 | $10M | 0.2% | 2026-Q1 |
| Athos Capital Ltd added | 189,722 | $10M | 0.2% | 2026-Q1 |
| LMR Partners LLP | 188,172 | $9M | 0.2% | 2026-Q1 |
| Nuveen, LLC added | 171,885 | $9M | 0.2% | 2026-Q1 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND added | 171,064 | $9M | 0.2% | 2026-Q1 |
| Westchester Capital Management, LLC trimmed | 166,713 | $8M | 0.2% | 2026-Q1 |
| SEI INVESTMENTS CO added | 162,451 | $8M | 0.2% | 2026-Q1 |
| NORGES BANK | 215,586 | $7M | 0.2% | 2026-Q2 |
| Invesco Ltd. added | 215,659 | $7M | 0.2% | 2026-Q2 |
| P SCHOENFELD ASSET MANAGEMENT LP trimmed | 141,900 | $7M | 0.2% | 2026-Q1 |
| BISLETT MANAGEMENT, LLC trimmed | 140,000 | $7M | 0.2% | 2026-Q1 |
| Elliott Investment Management L.P. | 2,384,481 | $203M | 4.7% | 2025-Q1 stale |
| VANGUARD GROUP INC trimmed | 1,679,806 | $81M | 1.9% | 2025-Q4 stale |
| BAUPOST GROUP LLC/MA added | 745,610 | $73M | 1.7% | 2025-Q2 stale |
| FPR PARTNERS LLC trimmed | 711,827 | $61M | 1.4% | 2025-Q1 stale |
| MANGROVE PARTNERS IM, LLC added | 559,339 | $48M | 1.1% | 2025-Q1 stale |
| Finepoint Capital LP trimmed | 529,240 | $45M | 1.0% | 2025-Q1 stale |
| Greenstone Partners & Co., LLC added | 771,632 | $38M | 0.9% | 2025-Q4 stale |
| Savoie Capital LLC added | 351,799 | $35M | 0.8% | 2025-Q2 stale |
| COOPER CREEK PARTNERS MANAGEMENT LLC trimmed | 296,190 | $29M | 0.7% | 2025-Q2 stale |
| STONEHILL CAPITAL MANAGEMENT LLC added | 433,513 | $21M | 0.5% | 2025-Q4 stale |
| Benchstone Capital Management LP trimmed | 319,911 | $20M | 0.5% | 2025-Q3 stale |
| Woodline Partners LP new | 308,427 | $20M | 0.5% | 2025-Q3 stale |
| NATIXIS added | 155,899 | $15M | 0.4% | 2025-Q2 stale |
| Gavilan Investment Partners LLC | 177,000 | $15M | 0.3% | 2025-Q1 stale |
| Boston Partners added | 129,826 | $13M | 0.3% | 2025-Q2 stale |
| CAPSTONE INVESTMENT ADVISORS, LLC added | 253,975 | $12M | 0.3% | 2025-Q4 stale |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC trimmed | 112,815 | $11M | 0.3% | 2025-Q2 stale |
| CONTRAVISORY INVESTMENT MANAGEMENT, INC. added | 109,747 | $11M | 0.2% | 2025-Q2 stale |
| NINE MASTS CAPITAL Ltd new | 101,209 | $10M | 0.2% | 2025-Q2 stale |
| Eisler Capital Management Ltd. trimmed | 107,865 | $7M | 0.2% | 2025-Q3 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.