Liberty Broadband Corporation
Liberty Broadband Corporation (LBRDK) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · LBRDK · as of Sep 30, 2025
Ownership Breakdown
399
Institutional Holders
▼ 24 vs Q2
$6.56B
Total Inst. Value
▼ $4.57B vs Q2
143.66M
Shares Outstanding
freeFloat 91.01%
103.25M
13F Shares Held
▼ 9.94M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
LBRDK largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC cable & other pay television services | 11.16M | 7.81% | 7.81% | $709.27B | Nov 7, 2025 | ▲ 184.6K |
EAGLE CAPITAL MANAGEMENT LLC cable & other pay television services | 6.56M | 4.59% | 4.59% | $417.08B | Nov 14, 2025 | ▲ 98.5K |
HARRIS ASSOCIATES L P cable & other pay television services | 6.40M | 4.48% | 4.48% | $406.71B | Nov 14, 2025 | ▼ 10.0K |
HBK INVESTMENTS L P cable & other pay television services | 5.67M | 3.97% | 3.97% | $360.59B | Nov 14, 2025 | NEW |
BLACKROCK, INC. cable & other pay television services | 5.22M | 3.65% | 3.65% | $331.68B | Nov 12, 2025 | ▲ 348.3K |
ARISTEIA CAPITAL LLC cable & other pay television services | 3.49M | 2.44% | 2.44% | $221.96B | Nov 14, 2025 | ▼ 2.46M |
DIMENSIONAL FUND ADVISORS LP cable & other pay television services | 2.94M | 2.06% | 2.06% | $187.01B | Nov 12, 2025 | ▲ 171.4K |
PENTWATER CAPITAL MANAGEMENT LP cable & other pay television services | 2.67M | 1.87% | 1.87% | $169.78B | Nov 14, 2025 | — held |
ADAGE CAPITAL PARTNERS GP, L.L.C. cable & other pay television services | 2.54M | 1.77% | 1.77% | $161.28B | Nov 14, 2025 | ▲ 1.91M |
JPMORGAN CHASE & CO cable & other pay television services | 2.27M | 1.59% | 1.59% | $144.27B | Nov 26, 2025 | ▲ 1.89M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
28
Increased
+12.47M shares5
New Positions
first time holders14
Decreased
−8.24M shares0
Sold Out
fully exitedNet shares change (top 50)
+4.23M
+12.47M / −8.24M
Net new holders
+19
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
LBRDK insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
4
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
WARGO J DAVID director | Feb 18, 2026 | Sale | 18,000 | $55.54 | $999.8K | 20.1K | Form 4 ↗ |
WARGO J DAVID director | Feb 18, 2026 | Sale | 7,000 | $55.37 | $387.6K | 12.2K | Form 4 ↗ |
WARGO J DAVID director | Feb 10, 2026 | Sale | 32,058 | $57.35 | $1.84M | 38.1K | Form 4 ↗ |
WARGO J DAVID director | Feb 10, 2026 | Sale | 12,392 | $57.17 | $708.5K | 19.1K | Form 4 ↗ |
WARGO J DAVID director | Feb 10, 2026 | Sale | 1,702 | $57.65 | $98.1K | 1.5K | Form 4 ↗ |
WARGO J DAVID director | Feb 10, 2026 | Sale | 530 | $57.48 | $30.5K | 471 | Form 4 ↗ |
Wendling Brian J CAO/PFO | Dec 9, 2025 | Tax Withhold | 640 | $47.39 | $30.3K | 14.6K | Form 4 ↗ |
Wilm Renee L Chief Legal/Admin Officer | Dec 9, 2025 | Tax Withhold | 1,247 | $47.39 | $59.1K | 10.7K | Form 4 ↗ |
Patterson Martin Edward President and CEO | Dec 9, 2025 | Tax Withhold | 204 | $47.39 | $9.7K | 2.7K | Form 4 ↗ |
WARGO J DAVID director | Dec 5, 2025 | Sale | 1,019 | $47.62 | $48.5K | 71.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Liberty Broadband Corporation (LBRDK) is primarily owned by institutional investors, who hold approximately 71.9% of total shares outstanding. Company insiders own approximately 8.99%, while retail and public investors account for the remaining 19.14%.
The largest institutional shareholder of Liberty Broadband Corporation is VANGUARD GROUP INC, holding approximately 11.16 million shares — equal to 7.81% of outstanding shares — as of September 30, 2025.
A total of 399 institutional investors currently hold LBRDK stock, with a combined institutional value of approximately $6.56 billion as of the most recent 13F filing period.
Frequently asked questions
LBRDK ownershipLiberty Broadband Corporation (LBRDK) is primarily owned by institutional investors, who hold approximately 71.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 7.81% stake. Company insiders hold 8.99%. Data sourced from SEC Form 13F as of September 30, 2025.