PERCEPTIVE ADVISORS LLC

Holdings History for Aldeyra Therapeutics, Inc. - Common Stock, par value $0.001 per share (ALDX)

Symbol: ALDX on Nasdaq
Investment type: Equity / Common Stock, par value $0.001 per share
Latest Disclosed Shares Owned: 4,185,632 shares
Security Ownership %: 7%

Shares, Excluding Options vs Price

Value, Excluding Options

Perceptive Advisors LLC ownership in Aldeyra Therapeutics, Inc. Common Stock, par value $0.001 per share (ALDX)

17 Feb 2026 - Perceptive Advisors LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4,185,632 shares of Aldeyra Therapeutics, Inc. Common Stock, par value $0.001 per share (ALDX). This represents 7% ownership of the company. In their previous filing dated 14 Nov 2025, PERCEPTIVE ADVISORS LLC had reported owning 5,222,311 shares, indicating a decrease of +20%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Perceptive Advisors LLC	7%	-19%	$17,286,660	4,185,632	-1,036,679	-20%	$4.13	13G/A	31 Dec 2025	17 Feb 2026, 16:00
Perceptive Advisors LLC	8.7%	+27%	$27,260,463	5,222,311	+1,170,680	+29%	$5.22	13G/A	30 Sep 2025	14 Nov 2025, 16:00
Perceptive Advisors LLC	6.8%	-18%	$18,313,372	4,051,631	-824,220	-17%	$4.52	13G/A	30 Jun 2025	14 Aug 2025, 16:21
Perceptive Advisors LLC	8.2%		$13,457,349	4,875,851			$2.76	13G/A	03 Apr 2025	07 Apr 2025, 18:52

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.4%	-0.1%	$21,681,574	4,185,632	-1,036,679	-20%	$5.18	Q4 2025
30 Sep 2025	0.8%	+0.18%	$27,260,463	5,222,311	+1,170,680	+29%	$5.22	Q3 2025
30 Jun 2025	0.58%	-0.75%	$15,517,747	4,051,631	-5,224,220	-56%	$3.83	Q2 2025
31 Mar 2025	1.9%	0%	$53,336,143	9,275,851	0		$5.75	Q1 2025
31 Dec 2024	1.3%	0%	$46,286,496	9,275,851	0		$4.99	Q4 2024
30 Sep 2024	1.1%	0%	$49,996,837	9,275,851	0		$5.39	Q3 2024
30 Jun 2024	0.74%	+0.04%	$30,703,067	9,275,851	+682,265	+7.9%	$3.31	Q2 2024
31 Mar 2024	0.5%	0%	$28,101,026	8,593,586	0		$3.27	Q1 2024
31 Dec 2023	0.67%	-0.22%	$30,163,487	8,593,586	-2,756,499	-24%	$3.51	Q4 2023
30 Sep 2023	2.5%	0%	$75,818,568	11,350,085	0		$6.68	Q3 2023
30 Jun 2023	2.8%	0%	$95,227,213	11,350,085	0		$8.39	Q2 2023
31 Mar 2023	3.3%	0%	$112,706,344	11,350,085	0		$9.93	Q1 2023
31 Dec 2022	2.3%	0%	$78,996,592	11,350,085	0		$6.96	Q4 2022
30 Sep 2022	1.8%	+0.22%	$60,609,000	11,350,085	+1,446,206	+15%	$5.34	Q3 2022
30 Jun 2022	1.5%	0%	$39,516,000	9,903,879	0		$3.99	Q2 2022
31 Mar 2022	1%	0%	$44,023,000	9,903,879	0		$4.45	Q1 2022
31 Dec 2021	0.7%	0%	$39,616,000	9,903,879	0		$4.00	Q4 2021
30 Sep 2021	1.4%	0%	$86,956,000	9,903,879	0		$8.78	Q3 2021
30 Jun 2021	1.6%	+0.2%	$112,211,000	9,903,879	+1,200,000	+14%	$11.33	Q2 2021
31 Mar 2021	1.5%	+0.43%	$103,402,000	8,703,879	+2,418,421	+38%	$11.88	Q1 2021
31 Dec 2020	0.51%	0%	$43,118,000	6,285,458	0		$6.86	Q4 2020
30 Sep 2020	0.79%	+0.4%	$46,575,000	6,285,458	+3,200,000	+104%	$7.41	Q3 2020
30 Jun 2020	0.24%	0%	$12,866,000	3,085,458	0		$4.17	Q2 2020
31 Mar 2020	0.2%	0%	$7,621,000	3,085,458	0		$2.47	Q1 2020
31 Dec 2019	0.37%	0%	$17,926,000	3,085,458	0		$5.81	Q4 2019
30 Sep 2019	0.44%	0%	$16,260,000	3,085,458	0		$5.27	Q3 2019
30 Jun 2019	0.43%	0%	$18,512,000	3,085,458	0		$6.00	Q2 2019
31 Mar 2019	0.79%	0%	$27,862,000	3,085,458	0		$9.03	Q1 2019
31 Dec 2018	0.98%	0%	$24,684,000	3,085,458	0		$8.00	Q4 2018
30 Sep 2018	1.2%	0%	$42,579,000	3,085,458	0		$13.80	Q3 2018
30 Jun 2018	0.66%	0%	$24,529,000	3,085,458	0		$7.95	Q2 2018
31 Mar 2018	0.65%	0%	$23,141,000	3,085,458	0		$7.50	Q1 2018
31 Dec 2017	0.7%	0%	$20,981,000	3,085,458	0		$6.80	Q4 2017
30 Sep 2017	0.86%	+0.06%	$22,215,000	3,085,458	+200,000	+6.9%	$7.20	Q3 2017
30 Jun 2017	0.73%	0%	$13,417,000	2,885,458	0		$4.65	Q2 2017
31 Mar 2017	0.74%	+0.24%	$12,897,000	2,885,458	+945,000	+49%	$4.47	Q1 2017
31 Dec 2016	0.74%	0%	$10,381,000	1,940,458	0		$5.35	Q4 2016
30 Sep 2016	0.99%	0%	$15,174,000	1,940,458	0		$7.82	Q3 2016
30 Jun 2016	0.9%	+0.33%	$11,041,000	1,940,458	+700,000	+56%	$5.69	Q2 2016
31 Mar 2016	0.47%	0%	$5,197,000	1,240,458	0		$4.19	Q1 2016
31 Dec 2015	0.65%	+0.15%	$8,410,000	1,240,458	+283,265	+30%	$6.78	Q4 2015
30 Sep 2015	0.51%	+0.05%	$5,580,000	957,193	+87,393	+10%	$5.83	Q3 2015
30 Jun 2015	0.45%	+0.26%	$6,749,000	869,800	+512,800	+144%	$7.76	Q2 2015
31 Mar 2015	0.29%	+0.29%	$3,634,000	357,000	+357,000	NEW	$10.18	Q1 2015

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.