Vanguard Portfolio Management
DIOD icon

Vanguard Portfolio Management’s Diodes DIOD Stock Holding History

Vanguard Portfolio Management’s Portfolio DIOD Stock Details DIOD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$376M Buy
3,880,014
+137,676
+4% +$12.8M 0.02% 812
2026
Q2 		$410M Buy
3,742,338
+103,406
+3% +$10.5M 0.02% 810
2026
Q1 		$248M Buy
+3,638,932
New +$230M 0.01% 1008

Other funds holding DIOD

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.8B AUM 33.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $25.4B AUM 35.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Vanguard Portfolio Management's DIOD Position: Q3 2026 in Review

Vanguard Portfolio Management increased its Diodes (DIOD) stake by 3.7% in Q3 2026, buying an estimated $12.8M and bringing the position to 3,880,014 shares worth $376M. The position accounts for 0.02% of the portfolio, ranked #812.

Vanguard Portfolio Management first reported a position in DIOD in Q1 2026 and has held it in 3 quarters since. The position peaked at $410M in Q2 2026. 342 funds tracked by Wall St. Rank hold DIOD as of Q3 2026.

  • Vanguard Portfolio Management held 3,880,014 shares of Diodes worth $376M as of Q3 2026.
  • Vanguard Portfolio Management bought 137,676 Diodes shares in Q3 2026, an estimated $12.8M.
  • Diodes made up 0.02% of Vanguard Portfolio Management's portfolio in Q3 2026, its #812 holding.
  • Vanguard Portfolio Management first reported a position in Diodes in Q1 2026 and has held it in 3 quarters since.
  • Vanguard Portfolio Management's Diodes position peaked at $410M in Q2 2026.
  • 342 funds tracked by Wall St. Rank held Diodes as of Q3 2026.

Based on Vanguard Portfolio Management's 13F filing for Q3 2026, filed 13 Nov 2026.