What does CUSIP 01438T106 represent in this 13F holders report?

CUSIP 01438T106 is the security identifier for ALDX - Aldeyra Therapeutics, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ALDX - Aldeyra Therapeutics, Inc. - Common Stock in Q3 2023?

120 institutional investors reported ALDX - Aldeyra Therapeutics, Inc. - Common Stock for Q3 2023. Use the holders table for investor-level position and value details.

Aldeyra Therapeutics, Inc. - Common Stock (ALDX)

CUSIP: 01438T106

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / Common Stock
Total 13F shares: 37,775,090
Total 13F value: $252,308,601
Share change: -1,270,805
Put/Call ratio: 151%
SEC-reported price per share: $6.68
Number of holders: 120
Value change: -$9,900,512
Number of buys: 55
Number of sells: 51
Shares outstanding: 61,515,529

Security key

01438T106

Report period

Q3 2023

Institutions

120

Top holders

ALDX full security history Ownership snapshot Full 13F holder table Aldeyra Therapeutics, Inc. SEC filings Aldeyra Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of ALDX - Aldeyra Therapeutics, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

PERCEPTIVE ADVISORS LLC

Disclosed value leader

PERCEPTIVE ADVISORS LLC

Comparable rows

15/15

Latest evidence

30 Jun 2023

13F Lead comparable stake: 18% Showing 1-6 of 15 holder rows.

Quick read

PERCEPTIVE ADVISORS LLC leads the comparable SEC ownership view at 18%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PERCEPTIVE ADVISORS LLC's linked filing trail.

Comparable ownership Top 5

PERCEPTIVE ADVISORS LLC 18%

BlackRock Finance, Inc. 5.3%

VANGUARD GROUP INC 5.2%

STATE STREET CORP 4.9%

Knoll Capital Management, LLC 4.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
PERCEPTIVE ADVISORS LLC	13F Company 13F	18%	$95,227,213 11,350,085 shares	—	30 Jun 2023
BlackRock Finance, Inc.	13F Company 13F	5.3%	$27,103,174 3,230,414 shares	—	30 Jun 2023
VANGUARD GROUP INC	13F Company 13F	5.2%	$26,681,827 3,180,194 shares	—	30 Jun 2023
STATE STREET CORP	13F Company 13F	4.9%	$25,521,256 3,041,866 shares	—	30 Jun 2023
Knoll Capital Management, LLC	13F Company 13F	4.9%	$25,301,454 3,015,668 shares	—	30 Jun 2023
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	1.8%	$9,442,429 1,125,645 shares	—	30 Jun 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

120

37,775,090

Rows available

120

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2023 vs Q2 2023 Across Filers

Q2 2023 holders

119

Q3 2023 holders

120

Holder diff

Investor	Q2 2023 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q2 2023 value	Q3 2023 value	Value change	Value Chg %