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Platinum Investment Management’s Liberty Broadband Class C LBRDK Stock Holding History

Platinum Investment Management’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
Q1 		– Sell
-2,060
Closed -$100K – 113
2025
Q4 		$100K Sell
2,060
-5,226
-72% -$272K 0.02% 97
2025
Q3 		$463K Buy
7,286
+3,339
+85% +$233K 0.03% 93
2025
Q2 		$388K Sell
3,947
-1,051
-21% -$94.2K 0.03% 85
2025
Q1 		$425K Buy
4,998
+3,251
+186% +$261K 0.02% 81
2024
Q4 		$131K Sell
1,747
-508
-23% -$42.4K 0.01% 88
2024
Q3 		$174K Buy
+2,255
New +$139K 0.01% 94

Other funds holding LBRDK

Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $29.8B AUM 12.13% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
FPA
First Pacific Advisors El Segundo, California $7.14B AUM 21.51% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Platinum Investment Management's LBRDK Position: Q1 2026 in Review

Platinum Investment Management sold out of Liberty Broadband Class C (LBRDK) in Q1 2026, closing a stake of 2,060 shares — an estimated $100K sold.

Platinum Investment Management first reported a position in LBRDK in Q3 2024 and held it in 6 quarters. The position peaked at $463K in Q3 2025. 382 funds tracked by Wall St. Rank hold LBRDK as of Q1 2026.

  • Platinum Investment Management reported no remaining Liberty Broadband Class C position as of Q1 2026 after selling out during the quarter.
  • Platinum Investment Management sold 2,060 Liberty Broadband Class C shares in Q1 2026, an estimated $100K.
  • Platinum Investment Management first reported a position in Liberty Broadband Class C in Q3 2024 and held it in 6 quarters.
  • Platinum Investment Management's Liberty Broadband Class C position peaked at $463K in Q3 2025.
  • 382 funds tracked by Wall St. Rank held Liberty Broadband Class C as of Q1 2026.

Based on Platinum Investment Management's 13F filing for Q1 2026, filed 14 May 2026.