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The company

Aldeyra Therapeutics, Inc.

ALDX · Nasdaq

Health CareBiotechnologyNot moving yet

ALDX stood above a rising 150-day average in 12 of the last 52 weekly readings, and has been out of that trend for the last 32 weeks. It is 58.4% below that average now. Biotechnology: 16% of its 561 stocks in an uptrend (−15 points in four weeks); Health Care: 26% (−10 points in four weeks).

SEC filings

Statistics

Rotation: Not moving yet
Weeks in an uptrend: out for 32
Industry in uptrend: 16% -15 in 4 wk
Insider buys, 12 months: $1.0M
Insider sales, 12 months: $0
Officials’ trades on record: 0
Institutions holding: 102 (-16)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 12 of 52 weeks.

20 Apr – 19 Oct

Biotechnology: Few of its stocks are in an uptrend and the share has fallen sharply over four weeks. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months3

Sale orders, 12 months0

Buyers · sellers3 · 0

Who	Did	Shares	Traded
Todd C. BradyPresident and CEO	bought	250,000at $1.67	3 Jun 2026filed 5 Jun 2026
Richard DouglasDirector	bought	70,000at $1.40	19 Mar 2026filed 20 Mar 2026
Michael AlfieriPrincipal Financial Officer	bought	5,000at $1.42	18 Mar 2026filed 19 Mar 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders102-16 on the quarter

New · exited20 · 36

Reported value$74.3M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
Knoll Capital Management, LLCunchanged · filed 14 Aug 2026	5,475,516$11.7M	00.0%
AQR CAPITAL MANAGEMENT LLCadded · filed 14 Aug 2026	3,751,558$8.0M	+921,683+32.6%
KINGDON CAPITAL MANAGEMENT, L.L.C.added · filed 14 Aug 2026	2,652,315$5.6M	+500,000+23.2%
VANGUARD CAPITAL MANAGEMENT LLCreduced · filed 13 Aug 2026	2,361,796$5.0M	-1,946−0.1%
D. E. Shaw & Co., Inc.added · filed 14 Aug 2026	1,940,338$4.1M	+536,348+38.2%
MARSHALL WACE, LLPadded · filed 13 Aug 2026	1,506,974$3.2M	+1,377,281+1062.0%
683 Capital Management, LLCreduced · filed 14 Aug 2026	1,450,000$3.1M	-50,000−3.3%
JANE STREET GROUP, LLCadded · filed 14 Aug 2026	1,375,115$2.9M	+406,224+41.9%
BlackRock, Inc.reduced · filed 7 Aug 2026	1,257,243$2.7M	-2,506,644−66.6%
Qube Research & Technologies Ltdadded · filed 14 Aug 2026	1,128,803$2.4M	+1,041,725+1196.3%