Aldeyra Therapeutics, Inc.

ALDX

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001341235

SEC filings (opens in a new tab)

No open-market purchases or sales by Aldeyra Therapeutics, Inc. insiders were filed in the last 90 days; 107 institutions reported holding it in 13F filings for Q2 2026, worth $77.7M in total; no superinvestor holds it.

Q4 2024 vs. Q3 2024

How the institutions holding Aldeyra Therapeutics, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024 All holders in Q3 2024

13F holders of ALDX: Q3 2024 compared with Q4 2024
Measure	Q3 2024	Of which not filed for Q4 2024	Q4 2024	Change
Holders	112	2	119	+9
Shares	36.7M	744.4K	37.2M	+1.24M (+3.4%)
Value	$196.4M	$4.10M	$185.6M	−$6.68M (−3.5%)

2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to ALDX in Q4 2024
Institution	Shares	Value	% of portfolio
Raymond James Financial Inc	727,118	$3.63M	0.00%
Caption Management, LLC	396,489	$1.98M	0.08%
683 Capital Management, LLC	290,000	$1.45M	0.14%
Millennium Management LLC	161,926	$808.0K	0.00%
Kennondale Capital Management LLC	151,280	$754.9K	0.82%
AQR Capital Management LLC	70,563	$352.1K	0.00%
HRT Financial LP	61,889	$308.0K	0.00%
AlphaCentric Advisors LLC	46,913	$234.1K	0.23%
Simplex Trading, LLC	45,232	$225.0K	0.01%
Boston Financial Mangement LLC	28,248	$141.0K	0.00%
Letko, Brosseau & Associates Inc	17,300	$86.3K	0.00%
ProShare Advisors LLC	14,031	$70.0K	0.00%
U.S. Capital Wealth Advisors, LLC	13,875	$69.2K	0.00%
Walleye Capital LLC	13,706	$68.4K	0.00%
Regal Investment Advisors LLC	13,167	$65.7K	0.00%
Balyasny Asset Management LLC	11,278	$56.3K	0.00%
HSBC Holdings PLC	10,457	$51.8K	0.00%
Police & Firemen's Retirement System of New Jersey	10,016	$50.0K	0.00%
Raffa Wealth Management, LLC	1,897	$9.47K	0.00%
SBI Securities Co., Ltd.	252	$1.26K	0.00%
True Wealth Design, LLC	20	$100	0.00%
EverSource Wealth Advisors, LLC	15	$75	0.00%
TD Waterhouse Canada Inc.	15	$75	0.00%
IFP Advisors, Inc	13	$65	0.00%
Macquarie Group Ltd	9,791	$49	0.00%

Sold out (16)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of ALDX in Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Jacobs Levy Equity Management, Inc	476,949	$2.57M
Los Angeles Capital Management LLC	271,262	$1.46M
EAM Investors, LLC	92,522	$498.7K
Verition Fund Management LLC	33,530	$180.7K
PDT Partners, LLC	31,402	$169.3K
Jane Street Group, LLC	23,731	$127.9K
Cetera Investment Advisers	19,012	$102.5K
Fox Run Management, L.L.C.	19,002	$102.4K
Ameriprise Financial Inc	12,580	$67.8K
Paloma Partners Management Co	11,546	$62.2K
Russell Investments Group, Ltd.	7,218	$38.9K
US Bancorp	5,578	$30.1K
National Bank of Canada	5,502	$29.7K
Public Employees Retirement System of Ohio	3,500	$18.9K
GAMMA Investing LLC	25	$135
Capital Performance Advisors LLP	17	$92

Not filed for Q4 2024 yet (2)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALDX in Q3 2024 that haven't filed for Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Eagle Asset Management Inc	709,518	$3.92M
Raymond James & Associates	34,884	$188.0K