Vanguard Portfolio Management
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Vanguard Portfolio Management’s Aldeyra Therapeutics ALDX Stock Holding History

Vanguard Portfolio Management’s Portfolio ALDX Stock Details ALDX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.69M Sell
794,863
-12,915
-2% -$22.2K ﹤0.01% 2797
2026
Q1 		$1.37M Buy
+807,778
New +$3.54M ﹤0.01% 2705

Other funds holding ALDX

KCM
Knoll Capital Management Miami, Florida $179M AUM 63.61% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
KCM
Kingdon Capital Management New York $976M AUM 66.76% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

Vanguard Portfolio Management's ALDX Position: Q2 2026 in Review

Vanguard Portfolio Management reduced its Aldeyra Therapeutics (ALDX) stake by 1.6% in Q2 2026, selling an estimated $22.2K and leaving 794,863 shares worth $1.69M. The position accounts for ﹤0.01% of the portfolio, ranked #2797.

Vanguard Portfolio Management first reported a position in ALDX in Q1 2026 and has held it in 2 quarters since. 108 funds tracked by Wall St. Rank hold ALDX as of Q2 2026.

  • Vanguard Portfolio Management held 794,863 shares of Aldeyra Therapeutics worth $1.69M as of Q2 2026.
  • Vanguard Portfolio Management sold 12,915 Aldeyra Therapeutics shares in Q2 2026, an estimated $22.2K.
  • Aldeyra Therapeutics made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2797 holding.
  • Vanguard Portfolio Management first reported a position in Aldeyra Therapeutics in Q1 2026 and has held it in 2 quarters since.
  • 108 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.