A detailed history of Two Sigma Securities, LLC transactions in Aldeyra Therapeutics, Inc. stock. As of the latest transaction made, Two Sigma Securities, LLC holds 11,002 shares of ALDX stock, worth $60,841. This represents 0.01% of its overall portfolio holdings.

Number of Shares
11,002
Holding current value
$60,841
% of portfolio
0.01%

Shares

7 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2025

Aug 14, 2025

BUY
$1.42 - $5.48 $15,622 - $60,290
11,002 New
11,002 $42,000
Q4 2023

Feb 14, 2024

BUY
$1.47 - $6.06 $22,482 - $92,681
15,294 New
15,294 $53,000
Q4 2022

Feb 14, 2023

BUY
$5.08 - $7.09 $113,725 - $158,723
22,387 New
22,387 $155,000
Q2 2019

Aug 14, 2019

SELL
$6.0 - $9.0 $81,042 - $121,563
-13,507 Closed
0 $0
Q1 2019

May 15, 2019

BUY
$7.14 - $9.85 $96,439 - $133,043
13,507 New
13,507 $122,000
Q4 2017

Feb 14, 2018

SELL
$5.7 - $7.75 $289,149 - $393,142
-50,728 Closed
0 $0
Q3 2017

Nov 14, 2017

BUY
$3.9 - $10.8 $197,839 - $547,862
50,728
50,728 $365,000

Others Institutions Holding ALDX

About Aldeyra Therapeutics, Inc.


  • Ticker ALDX
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 58,323,100
  • Market Cap $323M
  • Description
  • Aldeyra Therapeutics, Inc., a biotechnology company, develops and commercializes medicines for immune-mediated ocular and systemic diseases. The company's lead product candidate is reproxalap, a reactive aldehyde species (RASP)modulator, which is in Phase III clinical trial for the treatment of dry eye diseases and allergic conjunctivitis. It al...
More about ALDX
Track This Portfolio

Track Two Sigma Securities, LLC Portfolio

Follow Two Sigma Securities, LLC and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Two Sigma Securities, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Two Sigma Securities, LLC with notifications on news.