William von Mueffling’s Liberty Media Series C FWONK Stock Holding History

William von Mueffling’s Portfolio FWONK Stock Details FWONK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-1,035,685	Closed	-$88.1M	–	33
2026 Q1	$88.1M	Sell	1,035,685 -671,214	-39%	-$58.7M	0.59%	38
2025 Q4	$168M	Buy	1,706,899 +540,760	+46%	+$53.1M	0.91%	35
2025 Q3	$122M	Buy	+1,166,139	New	+$118M	0.67%	37

Other funds holding FWONK

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jupiter Topco New York $245B AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

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

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return

NCMU

NAYA Capital Management (UK) London, United Kingdom $2.08B AUM 63.16% 1-Year Est. Return

William von Mueffling's FWONK Position: Q2 2026 in Review

William von Mueffling sold out of Liberty Media Series C (FWONK) in Q2 2026, closing a stake of 1,035,685 shares — an estimated $88.1M sold.

William von Mueffling first reported a position in FWONK in Q3 2025 and held it in 3 quarters. The position peaked at $168M in Q4 2025. 627 funds tracked by Wall St. Rank hold FWONK as of Q2 2026.

William von Mueffling reported no remaining Liberty Media Series C position as of Q2 2026 after selling out during the quarter.
William von Mueffling sold 1,035,685 Liberty Media Series C shares in Q2 2026, an estimated $88.1M.
William von Mueffling first reported a position in Liberty Media Series C in Q3 2025 and held it in 3 quarters.
William von Mueffling's Liberty Media Series C position peaked at $168M in Q4 2025.
627 funds tracked by Wall St. Rank held Liberty Media Series C as of Q2 2026.

Based on Cantillon Capital Management's 13F filing for Q2 2026, filed 29 Jul 2026.