William Blair & Company
SHAK icon

William Blair & Company’s Shake Shack SHAK Stock Holding History

William Blair & Company’s Portfolio SHAK Stock Details SHAK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q1 		– Sell
-1,000
Closed -$35K – 1501
2016
Q4 		$35K Buy
+1,000
New +$35.1K ﹤0.01% 1273

Other funds holding SHAK

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Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
VBA
Van Berkom & Associates Montreal, Quebec, Canada $3.1B AUM 12.88% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

William Blair & Company's SHAK Position: Q2 2026 in Review

William Blair & Company reduced its Shake Shack (SHAK) stake by 18% in Q2 2026, selling an estimated $1.34M and leaving 79,743 shares worth $4.47M. The position accounts for 0.01% of the portfolio, ranked #550.

William Blair & Company first reported a position in SHAK in Q3 2015 and has held it in 44 quarters since. The position peaked at $22.9M in Q1 2021. 339 funds tracked by Wall St. Rank hold SHAK as of Q2 2026.

  • William Blair & Company held 79,743 shares of Shake Shack worth $4.47M as of Q2 2026.
  • William Blair & Company sold 17,832 Shake Shack shares in Q2 2026, an estimated $1.34M.
  • Shake Shack made up 0.01% of William Blair & Company's portfolio in Q2 2026, its #550 holding.
  • William Blair & Company first reported a position in Shake Shack in Q3 2015 and has held it in 44 quarters since.
  • William Blair & Company's Shake Shack position peaked at $22.9M in Q1 2021.
  • 339 funds tracked by Wall St. Rank held Shake Shack as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.