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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.

13F holders, Q1 2022

Institutional positions in Aldeyra Therapeutics, Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
111
−3 vs. Q4 2021
Shares held
38.6M
+2.13M (+5.8%) vs. Q4 2021
Total value
$171.8M
+$25.1M (+17.1%) vs. Q4 2021
New holders
18
34 more added
Sold out
21
39 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ALDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 111 institutions
Q1 2021: 108 institutionsQ2 2021: 136 institutionsQ3 2021: 117 institutionsQ4 2021: 115 institutionsQ1 2022: 111 institutionsQ2 2022: 95 institutionsQ3 2022: 89 institutionsQ4 2022: 96 institutionsQ1 2023: 109 institutionsQ2 2023: 119 institutionsQ3 2023: 120 institutionsQ4 2023: 105 institutionsQ1 2024: 101 institutionsQ2 2024: 103 institutionsQ3 2024: 112 institutionsQ4 2024: 119 institutionsQ1 2025: 126 institutionsQ2 2025: 122 institutionsQ3 2025: 131 institutionsQ4 2025: 136 institutionsQ1 2026: 128 institutionsQ2 2026: 107 institutions
Value heldQ1 2022: $171.8M
Q1 2021: $376.7MQ2 2021: $512.8MQ3 2021: $348.9MQ4 2021: $146.7MQ1 2022: $171.8MQ2 2022: $147.5MQ3 2022: $197.4MQ4 2022: $237.9MQ1 2023: $353.4MQ2 2023: $327.5MQ3 2023: $252.3MQ4 2023: $123.3MQ1 2024: $115.8MQ2 2024: $116.9MQ3 2024: $196.4MQ4 2024: $185.6MQ1 2025: $215.5MQ2 2025: $130.8MQ3 2025: $204.2MQ4 2025: $201.8MQ1 2026: $63.3MQ2 2026: $77.7M
Institutions holding ALDX and their total value by quarter
QuarterHoldersValue
Q2 2026107$77.7M
Q1 2026128$63.3M
Q4 2025136$201.8M
Q3 2025131$204.2M
Q2 2025122$130.8M
Q1 2025126$215.5M
Q4 2024119$185.6M
Q3 2024112$196.4M
Q2 2024103$116.9M
Q1 2024101$115.8M
Q4 2023105$123.3M
Q3 2023120$252.3M
Q2 2023119$327.5M
Q1 2023109$353.4M
Q4 202296$237.9M
Q3 202289$197.4M
Q2 202295$147.5M
Q1 2022111$171.8M
Q4 2021115$146.7M
Q3 2021117$348.9M
Q2 2021136$512.8M
Q1 2021108$376.7M

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Aldeyra Therapeutics, Inc.; share changes are against Q4 2021.

Institutions holding ALDX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Perceptive Advisors LLC9,903,879$44.0M0.91%00.0%Unchanged
BlackRock Inc.3,220,511$14.3M0.00%−8,300−0.3%Reduced
Vanguard Group Inc2,961,635$13.2M0.00%+147,711+5.2%Added
Citadel Advisors LLC2,479,536$11.0M0.01%+2,190,919+759.1%Added
Verition Fund Management LLC2,105,907$9.36M0.18%+739,206+54.1%Added
Eagle Asset Management Inc1,473,459$6.55M0.03%+80,523+5.8%Added
Tri Locum Partners LP1,447,445$6.43M2.51%+1,447,445New
Prosight Management, LP1,400,239$6.22M4.38%+244,939+21.2%Added
Goldman Sachs Group Inc1,391,018$6.18M0.00%+1,288,353+1,254.9%Added
Assenagon Asset Management S.A.975,139$4.33M0.01%+948,747+3,594.8%Added
UBS Group AG960,393$4.27M0.00%+776,593+422.5%Added
Geode Capital Management, LLC912,868$4.06M0.00%+60,108+7.0%Added
State Street Corp877,797$3.90M0.00%−2,204,555−71.5%Reduced
Knoll Capital Management, LLC759,405$3.38M2.12%00.0%Unchanged
Two Sigma Advisers, LP507,700$2.26M0.01%−181,500−26.3%Reduced
Millennium Management LLC504,462$2.24M0.00%−1,154,473−69.6%Reduced
683 Capital Management, LLC500,000$2.22M0.13%+500,000New
Northern Trust Corp439,453$1.95M0.00%−14,662−3.2%Reduced
Johnson & Johnson394,834$1.75M0.33%00.0%Unchanged
Ikarian Capital, LLC375,000$1.67M0.51%+375,000New
Morgan Stanley353,150$1.57M0.00%+179,946+103.9%Added
Two Sigma Investments, LP342,887$1.52M0.00%−334,185−49.4%Reduced
Wells Fargo & Company330,537$1.47M0.00%+93,897+39.7%Added
Deutsche Bank AG295,827$1.31M0.00%+34,851+13.4%Added
Nuveen Asset Management, LLC237,359$1.14M0.00%+662+0.3%Added
D. E. Shaw & Co., Inc.239,158$1.06M0.00%+202,930+560.1%Added
Bank of New York Mellon Corp209,815$932.0K0.00%+22,748+12.2%Added
Dimensional Fund Advisors LP167,619$745.0K0.00%−91,999−35.4%Reduced
Palo Alto Investors LP160,800$715.0K0.06%00.0%Unchanged
DuPont Capital Management Corp158,031$702.0K0.03%−4,103−2.5%Reduced
Barclays PLC150,981$671.0K0.00%+92,072+156.3%Added
Simplex Trading, LLC137,741$612.0K0.02%+44,002+46.9%Added
Charles Schwab Investment Management Inc132,908$591.0K0.00%+4,523+3.5%Added
Weiss Multi-Strategy Advisers LLC130,000$578.0K0.01%+2,553+2.0%Added
Parametric Portfolio Associates LLC124,299$553.0K0.00%+95,942+338.3%Added
HRT Financial LP111,165$494.0K0.00%+92,232+487.1%Added
ClariVest Asset Management LLC108,000$480.0K0.02%−15,200−12.3%Reduced
New York Life Investments Alternatives104,042$462.0K0.32%+17,312+20.0%Added
Bank of America Corp91,293$406.0K0.00%−243,596−72.7%Reduced
Group One Trading, L.P.73,068$325.0K0.01%−5,800−7.4%Reduced
Woodstock Corp70,998$316.0K0.04%+70,998New
Jane Street Group, LLC66,398$295.0K0.00%−80,858−54.9%Reduced
State of Wisconsin Investment Board62,700$279.0K0.00%00.0%Unchanged
Gsa Capital Partners LLP59,934$266.0K0.04%−66,180−52.5%Reduced
Alps Advisors Inc59,706$265.0K0.00%−7,517−11.2%Reduced
International Assets Investment Management, LLC57,125$254.0K0.05%+6,800+13.5%Added
Boothbay Fund Management, LLC53,212$237.0K0.01%+53,212New
Nisa Investment Advisors, LLC50,600$225.0K0.00%+50,600New
Rhumbline Advisers47,596$212.0K0.00%+4,996+11.7%Added
Price T Rowe Associates Inc46,364$206.0K0.00%+9,300+25.1%Added
Walleye Capital LLC41,652$185.0K0.01%−314,209−88.3%Reduced
Susquehanna International Group, LLP41,714$185.0K0.00%−89,774−68.3%Reduced
Prudential Financial Inc39,654$176.0K0.00%+39,654New
Woodline Partners LP36,855$164.0K0.00%−739,379−95.3%Reduced
First Manhattan Co34,745$154.0K0.00%00.0%Unchanged
Tobias Financial Advisors, Inc.34,173$152.0K0.05%+34,173New
New York State Common Retirement Fund32,203$143.0K0.00%00.0%Unchanged
Ameriprise Financial Inc30,800$137.0K0.00%00.0%Unchanged
Squarepoint Ops LLC28,292$126.0K0.00%−73,187−72.1%Reduced
Raymond James & Associates26,306$117.0K0.00%+4,609+21.2%Added
Stifel Financial Corp24,742$110.0K0.00%−9,835−28.4%Reduced
American International Group, Inc.24,096$107.0K0.00%−1,696−6.6%Reduced
Virtus ETF Advisers LLC22,945$102.0K0.05%−1,353−5.6%Reduced
JPMorgan Chase & Co22,835$101.0K0.00%+4,012+21.3%Added
Manufacturers Life Insurance Company, The22,492$100.0K0.00%−5,153−18.6%Reduced
Belvedere Trading LLC24,457$98.0K0.07%−26,759−52.2%Reduced
Cetera Advisor Networks LLC21,426$95.0K0.00%00.0%Unchanged
California State Teachers Retirement System20,956$93.0K0.00%−5,247−20.0%Reduced
ExodusPoint Capital Management, LP20,131$89.0K0.00%−4,900−19.6%Reduced
Hikari Power Ltd20,020$89.0K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)18,990$85.0K0.00%+7,147+60.3%Added
Voya Investment Management LLC18,652$83.0K0.00%00.0%Unchanged
PDT Partners, LLC18,470$82.0K0.01%+18,470New
Kestra Advisory Services, LLC17,938$80.0K0.00%+1,129+6.7%Added
Invesco Ltd.16,375$73.0K0.00%−378−2.3%Reduced
MetLife Investment Management14,311$63.6K0.00%−4,404−23.5%Reduced
Cubist Systematic Strategies, LLC13,985$62.0K0.00%−70,357−83.4%Reduced
Alpine Global Management, LLC12,025$53.0K0.01%−10,582−46.8%Reduced
SlateStone Wealth, LLC11,964$53.0K0.01%00.0%Unchanged
CSS LLC11,500$51.0K0.00%−3,500−23.3%Reduced
State Board of Administration of Florida Retirement System11,450$51.0K0.00%00.0%Unchanged
CIBC World Markets Inc.10,000$44.0K0.00%00.0%Unchanged
Amalgamated Bank7,928$35.0K0.00%+7,928New
Amalgamated Financial Corp.7,928$35.0K0.00%+7,928New
BNP Paribas Arbitrage, SA7,468$33.2K0.00%−2,468−24.8%Reduced
Federation des caisses Desjardins du Quebec6,680$29.7K0.00%−4,500−40.3%Reduced
Legal & General Group Plc5,289$24.0K0.00%+307+6.2%Added
Princeton Global Asset Management LLC5,000$22.0K0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.3,805$17.0K0.00%00.0%Unchanged
FMR LLC3,933$17.0K0.00%+3,834+3,872.7%Added
Metropolitan Life Insurance Co3,570$15.9K0.00%−1,791−33.4%Reduced
Royal Bank of Canada3,008$13.0K0.00%−7,549−71.5%Reduced
HighMark Wealth Management LLC2,765$12.0K0.01%−350−11.2%Reduced
Kelly Financial Services LLC2,507$11.1K0.01%00.0%Unchanged
Citigroup Inc1,745$8.00K0.00%−171,317−99.0%Reduced
Captrust Financial Advisors1,270$6.00K0.00%+770+154.0%Added
State of Wyoming1,114$5.00K0.00%+19+1.7%Added
Stephens Consulting, LLC1,000$4.45K0.00%−1,000−50.0%Reduced
Advisor Group Holdings, Inc.814$4.00K0.00%+3+0.4%Added
Lindbrook Capital, LLC761$3.00K0.00%−1,780−70.1%Reduced