Cornerstone Planning Group’s Liberty Broadband Class C LBRDK Stock Holding History

Cornerstone Planning Group’s Portfolio LBRDK Stock Details LBRDK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$547	Buy	18 +16	+800%	+$624	﹤0.01%	1669
2026 Q1	$74	Hold	2	–	–	﹤0.01%	1798
2025 Q4	$85	Sell	2 -2	-50%	-$104	﹤0.01%	1667
2025 Q3	$213	Hold	4	–	–	﹤0.01%	1603
2025 Q2	$241	Hold	4	–	–	﹤0.01%	1449
2025 Q1	$313	Buy	+4	New	+$322	﹤0.01%	1400
2024 Q1	–	Sell	-1	Closed	-$81	–	1157
2023 Q4	$81	Hold	1	–	–	﹤0.01%	910
2023 Q3	$91	Buy	+1	New	+$89	﹤0.01%	1107
2022 Q4	$962	Buy	+11	New	+$895	﹤0.01%	1370

Other funds holding LBRDK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

RCWMU

Rothschild & Co Wealth Management (UK) London, United Kingdom $6.93B AUM 1.4% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

IMA

Investment Management Associates Greenwood Village, Colorado $487M AUM 11.51% 1-Year Est. Return

AAM

Alpine Associates Management Palm Beach, Florida $1.6B AUM 93.19% 1-Year Est. Return

AIMCA

Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.57% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

HLCM

Hi-Line Capital Management Watertown, South Dakota $355M AUM 16.76% 1-Year Est. Return

Cornerstone Planning Group's LBRDK Position: Q2 2026 in Review

Cornerstone Planning Group increased its Liberty Broadband Class C (LBRDK) stake by 800% in Q2 2026, buying an estimated $624 and bringing the position to 18 shares worth $547. The position accounts for ﹤0.01% of the portfolio, ranked #1669.

Cornerstone Planning Group first reported a position in LBRDK in Q4 2022 and has held it in 9 quarters since. The position peaked at $962 in Q4 2022. 135 funds tracked by Wall St. Rank hold LBRDK as of Q2 2026.

Cornerstone Planning Group held 18 shares of Liberty Broadband Class C worth $547 as of Q2 2026.
Cornerstone Planning Group bought 16 Liberty Broadband Class C shares in Q2 2026, an estimated $624.
Liberty Broadband Class C made up ﹤0.01% of Cornerstone Planning Group's portfolio in Q2 2026, its #1669 holding.
Cornerstone Planning Group first reported a position in Liberty Broadband Class C in Q4 2022 and has held it in 9 quarters since.
Cornerstone Planning Group's Liberty Broadband Class C position peaked at $962 in Q4 2022.
135 funds tracked by Wall St. Rank held Liberty Broadband Class C as of Q2 2026.

Based on Cornerstone Planning Group's 13F filing for Q2 2026, filed 29 Jul 2026.