Mariner
ALDX icon

Mariner’s Aldeyra Therapeutics ALDX Stock Holding History

Mariner’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
Q1 		$155K Buy
91,870
+68,994
+302% +$302K ﹤0.01% 3228
2025
Q4 		$118K Sell
22,876
-6,970
-23% -$35.8K ﹤0.01% 3298
2025
Q3 		$156K Buy
29,846
+7,433
+33% +$38.8K ﹤0.01% 3261
2025
Q2 		$85.8K Buy
+22,413
New +$57.9K ﹤0.01% 3271

Other funds holding ALDX

KCM
Knoll Capital Management Miami, Florida $180M AUM 66.11% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
KCM
Kingdon Capital Management New York $911M AUM 51.11% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Mariner's ALDX Position: Q1 2026 in Review

Mariner increased its Aldeyra Therapeutics (ALDX) stake by 302% in Q1 2026, buying an estimated $302K and bringing the position to 91,870 shares worth $155K. The position accounts for ﹤0.01% of the portfolio, ranked #3228.

Mariner first reported a position in ALDX in Q2 2025 and has held it in 4 quarters since. The position peaked at $156K in Q3 2025. 126 funds tracked by Wall St. Rank hold ALDX as of Q1 2026.

  • Mariner held 91,870 shares of Aldeyra Therapeutics worth $155K as of Q1 2026.
  • Mariner bought 68,994 Aldeyra Therapeutics shares in Q1 2026, an estimated $302K.
  • Aldeyra Therapeutics made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #3228 holding.
  • Mariner first reported a position in Aldeyra Therapeutics in Q2 2025 and has held it in 4 quarters since.
  • Mariner's Aldeyra Therapeutics position peaked at $156K in Q3 2025.
  • 126 funds tracked by Wall St. Rank held Aldeyra Therapeutics as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.