William Blair Investment Management
PENG

William Blair Investment Management’s Penguin Solutions Inc PENG Stock Holding History

William Blair Investment Management’s Portfolio PENG Stock Details PENG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$34.2M Sell
450,030
-516,134
-53% -$23.5M 0.1% 176
2026
Q1 		$17M Buy
966,164
+31,076
+3% +$591K 0.06% 266
2025
Q4 		$18.3M Buy
+935,088
New +$20M 0.05% 284

Other funds holding PENG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

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

William Blair Investment Management reduced its Penguin Solutions Inc (PENG) stake by 53% in Q2 2026, selling an estimated $23.5M and leaving 450,030 shares worth $34.2M. The position accounts for 0.1% of the portfolio, ranked #176.

William Blair Investment Management first reported a position in PENG in Q4 2025 and has held it in 3 quarters since. 352 funds tracked by Wall St. Rank hold PENG as of Q2 2026.

  • William Blair Investment Management held 450,030 shares of Penguin Solutions Inc worth $34.2M as of Q2 2026.
  • William Blair Investment Management sold 516,134 Penguin Solutions Inc shares in Q2 2026, an estimated $23.5M.
  • Penguin Solutions Inc made up 0.1% of William Blair Investment Management's portfolio in Q2 2026, its #176 holding.
  • William Blair Investment Management first reported a position in Penguin Solutions Inc in Q4 2025 and has held it in 3 quarters since.
  • 352 funds tracked by Wall St. Rank held Penguin Solutions Inc as of Q2 2026.

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