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Aldeyra Therapeutics, Inc.

ALDX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001341235

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.

Q3 2021 vs. Q2 2021

How the institutions holding Aldeyra Therapeutics, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of ALDX: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders1361117−18
Shares45.3M394.8K39.7M−5.15M (−11.5%)
Value$512.8M$4.47M$348.9M−$159.4M (−31.4%)

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (16)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to ALDX in Q3 2021
InstitutionSharesValue% of portfolio
Johnson & Johnson394,834$3.47M0.30%
HealthInvest Partners AB310,000$2.72M4.08%
Caption Management, LLC177,279$1.56M0.10%
Jetstream Capital LLC110,000$966.0K1.05%
Group One Trading, L.P.81,321$714.0K0.02%
DuPont Capital Management Corp63,786$560.0K0.02%
ExodusPoint Capital Management, LP30,494$268.0K0.00%
SG Americas Securities, LLC17,348$152.0K0.00%
Blueshift Asset Management, LLC16,343$143.0K0.01%
Belvedere Trading LLC14,241$119.0K0.03%
Cutler Group LP11,681$102.0K0.01%
Walleye Trading LLC11,489$101.0K0.00%
SG3 Management, LLC7,000$61.0K0.02%
PSI Advisors, LLC500$4.00K0.00%
Eagle Bay Advisors LLC240$2.00K0.00%
Parallel Advisors, LLC17$00.00%

Sold out (34)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Not filed for Q3 2021 yet (1)

Institutions that held Aldeyra Therapeutics, Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALDX in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Johnson & Johnson Innovation - JJDC, Inc.394,834$4.47M