William Blair Investment Management’s Malibu Boats MBUU Stock Holding History

William Blair Investment Management’s Portfolio MBUU Stock Details MBUU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$12.3M	Buy	+475,796	New	+$14.2M	0.04%	297

Other funds holding MBUU

Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return

Cooke & Bieler Philadelphia, Pennsylvania $8.84B AUM 6.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

TLM

Twin Lions Management Stamford, Connecticut $165M AUM 10.42% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

LHC

Lodge Hill Capital New York $518M AUM 12.89% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

FWIA

Fort Washington Investment Advisors Cincinnati, Ohio $18.1B AUM 18.25% 1-Year Est. Return

William Blair Investment Management's MBUU Position: Q1 2026 in Review

William Blair Investment Management opened a new position in Malibu Boats (MBUU) in Q1 2026: 475,796 shares worth $12.3M. The stake represents 0.04% of the portfolio and ranks #297 among its holdings.

135 funds tracked by Wall St. Rank hold MBUU as of Q1 2026.

William Blair Investment Management held 475,796 shares of Malibu Boats worth $12.3M as of Q1 2026.
Malibu Boats was a new William Blair Investment Management position in Q1 2026.
Malibu Boats made up 0.04% of William Blair Investment Management's portfolio in Q1 2026, its #297 holding.
135 funds tracked by Wall St. Rank held Malibu Boats as of Q1 2026.

Based on William Blair Investment Management's 13F filing for Q1 2026, filed 8 May 2026.