Mariner
LBRDK

Mariner’s Liberty Broadband Class C LBRDK Stock Holding History

Mariner’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 		$1.34M Buy
40,155
+6,741
+20% +$263K ﹤0.01% 1737
2026
Q1 		$1.68M Buy
33,414
+24,072
+258% +$1.21M ﹤0.01% 1623
2025
Q4 		$454K Buy
9,342
+2,384
+34% +$124K ﹤0.01% 2502
2025
Q3 		$442K Buy
6,958
+226
+3% +$15.8K ﹤0.01% 2531
2025
Q2 		$662K Buy
6,732
+791
+13% +$70.9K ﹤0.01% 2112
2025
Q1 		$505K Buy
5,941
+695
+13% +$55.9K ﹤0.01% 2200
2024
Q4 		$392K Buy
5,246
+7
+0.1% +$584 ﹤0.01% 2381
2024
Q3 		$405K Buy
5,239
+664
+15% +$41K ﹤0.01% 2314
2024
Q2 		$251K Sell
4,575
-294
-6% -$15.2K ﹤0.01% 2591
2024
Q1 		$279K Sell
4,869
-2,182
-31% -$144K ﹤0.01% 2503
2023
Q4 		$568K Sell
7,051
-3,633
-34% -$305K ﹤0.01% 1861
2023
Q3 		$976K Buy
10,684
+100
+0.9% +$8.92K ﹤0.01% 1335
2023
Q2 		$848K Sell
10,584
-2,053
-16% -$159K ﹤0.01% 1398
2023
Q1 		$1.03M Sell
12,637
-1,002
-7% -$86.5K ﹤0.01% 1255
2022
Q4 		$1.04M Sell
13,639
-1,162
-8% -$94.5K ﹤0.01% 1217
2022
Q3 		$1.09M Buy
14,801
+1,800
+14% +$191K ﹤0.01% 1011
2022
Q2 		$1.5M Buy
13,001
+2,288
+21% +$279K 0.01% 789
2022
Q1 		$1.45M Buy
+10,713
New +$1.56M 0.01% 823
2019
Q3 		– Sell
-2,535
Closed -$264K – 886
2019
Q2 		$264K Sell
2,535
-10
-0.4% -$986 ﹤0.01% 931
2019
Q1 		$233K Buy
+2,545
New +$217K ﹤0.01% 910
2016
Q2 		– Sell
-29,800
Closed -$1.73M – 565
2016
Q1 		$1.73M Buy
+29,800
New +$1.5M 0.1% 178

Other funds holding LBRDK

Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $32.7B AUM 17.15% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
FPA
First Pacific Advisors El Segundo, California $8.09B AUM 21.95% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Mariner's LBRDK Position: Q2 2026 in Review

Mariner increased its Liberty Broadband Class C (LBRDK) stake by 20% in Q2 2026, buying an estimated $263K and bringing the position to 40,155 shares worth $1.34M. The position accounts for ﹤0.01% of the portfolio, ranked #1737.

Mariner first reported a position in LBRDK in Q1 2016 and has held it in 21 quarters since. The position peaked at $1.73M in Q1 2016. 353 funds tracked by Wall St. Rank hold LBRDK as of Q2 2026.

  • Mariner held 40,155 shares of Liberty Broadband Class C worth $1.34M as of Q2 2026.
  • Mariner bought 6,741 Liberty Broadband Class C shares in Q2 2026, an estimated $263K.
  • Liberty Broadband Class C made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1737 holding.
  • Mariner first reported a position in Liberty Broadband Class C in Q1 2016 and has held it in 21 quarters since.
  • Mariner's Liberty Broadband Class C position peaked at $1.73M in Q1 2016.
  • 353 funds tracked by Wall St. Rank held Liberty Broadband Class C as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.