William Blair Investment Management
BRBR icon

William Blair Investment Management’s BellRing Brands BRBR Stock Holding History

William Blair Investment Management’s Portfolio BRBR Stock Details BRBR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-3,032,100
Closed -$48.8M – 412
2026
Q1 		$48.8M Buy
3,032,100
+803,800
+36% +$16.3M 0.16% 140
2025
Q4 		$59.6M Sell
2,228,300
-291,753
-12% -$9.05M 0.17% 133
2025
Q3 		$91.6M Buy
2,520,053
+366,121
+17% +$16.5M 0.24% 111
2025
Q2 		$125M Buy
+2,153,932
New +$144M 0.33% 85

Other funds holding BRBR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
YAM
Yacktman Asset Management Austin, Texas $8.09B AUM 19.03% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

William Blair Investment Management's BRBR Position: Q2 2026 in Review

William Blair Investment Management sold out of BellRing Brands (BRBR) in Q2 2026, closing a stake of 3,032,100 shares — an estimated $48.8M sold.

William Blair Investment Management first reported a position in BRBR in Q2 2025 and held it in 4 quarters. The position peaked at $125M in Q2 2025. 362 funds tracked by Wall St. Rank hold BRBR as of Q2 2026.

  • William Blair Investment Management reported no remaining BellRing Brands position as of Q2 2026 after selling out during the quarter.
  • William Blair Investment Management sold 3,032,100 BellRing Brands shares in Q2 2026, an estimated $48.8M.
  • William Blair Investment Management first reported a position in BellRing Brands in Q2 2025 and held it in 4 quarters.
  • William Blair Investment Management's BellRing Brands position peaked at $125M in Q2 2025.
  • 362 funds tracked by Wall St. Rank held BellRing Brands as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.