Ticker · CUSIP 01438T106

ALDX

ALDEYRA THERAPEUTICS INC
···Share
Holders (tracked)
11
Combined shares
4,218,776
Combined value
$21.52M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
1192024Q12025Q4

SEC event timeline

16 events
  1. −152,254 shares · 2025Q4
    13F
  2. +221,481 shares · 2025Q4
    13F
  3. +14,310 shares · 2025Q4
    13F
  4. −105,306 shares · 2025Q4
    13F
  5. +94,094 shares · 2025Q4
    13F
  6. +19,000 shares · 2025Q4
    13F
  7. −10,970 shares · 2025Q4
    13F
  8. −278,438 shares · 2025Q4
    13F
  9. +152,700 shares · 2025Q4
    13F
  10. +31,548 shares · 2025Q3
    13F
  11. +129,759 shares · 2025Q3
    13F
  12. +217,315 shares · 2025Q3
    13F
  13. +15,579 shares · 2025Q3
    13F
  14. +189,821 shares · 2025Q3
    13F
  15. +892,171 shares · 2025Q3
    13F
  16. +84,500 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
Added to3
Trimmed3
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
7
$30.6M
2022Q2
9
$24.1M
2022Q3
9
$26K
2022Q4
9
$18.5M
2023Q1
10
$17.9M
2023Q2
10
$36.0M
2023Q3
10
$31.4M
2023Q4
8
$14.8M
2024Q1
9
$13.8M
2024Q2
10
$16.1M
2024Q3
7
$4.3M
2024Q4
9
$4.8M
2025Q1
10
$6.4M
2025Q2
8
$8.7M
2025Q3
12
$21.5M
2025Q4
11
$21.5M

Who owns ALDX

11 super-investors · 2025Q4
Tracked stake
4.22M
shares
Combined value
$22M
% of shares outstanding
shares-out unknown
Quarter action mix
New2Added3Trim3Sold2Held1
#ManagerSharesValue
1D.E. Shaw & Co.1.60M$8M
2AQR Capital Management1.23M$6M
3Renaissance Technologies350.0K$2M
4Two Sigma Investments287.4K$1M
5Ken Griffin
Citadel Advisors
231.2K$1M
6Wellington Management178.9K$926K
7Ken Griffin
Citadel Advisors
121.7K$630K
8Steve Cohen
Point72
94.1K$487K
9Izzy Englander
Millennium Mgmt
44.1K$228K
10Paul Tudor Jones
Tudor Investment
19.0K$98K
11T. Rowe Price64.3K$333

Recent moves

20 transactions
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