Vanguard Capital Management’s Aldeyra Therapeutics ALDX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q3
$2.94M Buy
2,392,805
+31,009
+1% +$49.5K ﹤0.01% 3243
2026
Q2
$5.03M Sell
2,361,796
-1,946
-0.1% -$3.34K ﹤0.01% 3119
2026
Q1
$3.99M Buy
+2,363,742
New +$10.4M ﹤0.01% 3142

Other funds holding ALDX

Vanguard Capital Management's ALDX Position: Q3 2026 in Review

Vanguard Capital Management increased its Aldeyra Therapeutics (ALDX) stake by 1.3% in Q3 2026, buying an estimated $49.5K and bringing the position to 2,392,805 shares worth $2.94M. The position accounts for ﹤0.01% of the portfolio, ranked #3243.

Vanguard Capital Management first reported a position in ALDX in Q1 2026 and has held it in 3 quarters since. The position peaked at $5.03M in Q2 2026. 63 funds tracked by Wall St. Rank hold ALDX as of Q3 2026.

  • Vanguard Capital Management held 2,392,805 shares of Aldeyra Therapeutics worth $2.94M as of Q3 2026.
  • Vanguard Capital Management bought 31,009 Aldeyra Therapeutics shares in Q3 2026, an estimated $49.5K.
  • Aldeyra Therapeutics made up ﹤0.01% of Vanguard Capital Management's portfolio in Q3 2026, its #3243 holding.
  • Vanguard Capital Management first reported a position in Aldeyra Therapeutics in Q1 2026 and has held it in 3 quarters since.
  • Vanguard Capital Management's Aldeyra Therapeutics position peaked at $5.03M in Q2 2026.
  • 63 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q3 2026.

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