13FPulse
AL

ALDX ALDEYRA THERAPEUTICS INC

2026Q2 · CUSIP 01438T106 · Sector: Healthcare & Biotech

Normal

Fund flows are within the usual range

Funds that own it
107
Institutions that reported holding it to the SEC
Net decrease in holders
20
Last quarter 127 → now 107
How unusual is that
Bottom 20%
Stronger than only 7% of US stocks
What the filings say, in one paragraph

107 funds held ALDX at the end of 2026Q2, down 20 from the quarter before. Fund flows are within the usual range — nothing unusual. On the business itself, return on equity is -60.9%. ALDX has had 5 buying rushes in its history, and the price moved -48.2% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Healthcare & Biotech sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2014Q3: holders=7 2014Q4: holders=5 2015Q1: holders=15 2015Q2: holders=24 2015Q3: holders=22 2015Q4: holders=21 2016Q1: holders=27 2016Q2: holders=25 2016Q3: holders=22 2016Q4: holders=20 2017Q1: holders=24 2017Q2: holders=26 2017Q3: holders=36 2017Q4: holders=38 2018Q1: holders=45 2018Q2: holders=65 2018Q3: holders=90 2018Q4: holders=77 2019Q1: holders=78 2019Q2: holders=76 2019Q3: holders=72 2019Q4: holders=77 2020Q1: holders=71 2020Q2: holders=83 2020Q3: holders=86 2020Q4: holders=97 2021Q1: holders=107 2021Q2: holders=136 2021Q3: holders=114 2021Q4: holders=114 2022Q1: holders=109 2022Q2: holders=93 2022Q3: holders=89 2022Q4: holders=95 2023Q1: holders=109 2023Q2: holders=118 2023Q3: holders=120 2023Q4: holders=105 2024Q1: holders=101 2024Q2: holders=103 2024Q3: holders=112 2024Q4: holders=119 2025Q1: holders=126 2025Q2: holders=124 2025Q3: holders=134 2025Q4: holders=136 2026Q1: holders=127 2026Q2: holders=107 -29 -14.5 +0 +14.5 +29 474143 14Q316Q117Q319Q120Q322Q123Q325Q126Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 5 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2023Q1 Top 20% -26.4% -74.4%
2021Q2 Top 10% -0.5% -52.7%
2018Q3 Top 10% -9.6% -17.4%
2018Q2 Top 20%
2017Q3 Top 20%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
61
Change in large funds
-6
Total value they hold
$77M
Funds buying for the first time
20
Funds that sold out entirely
40
Price change that quarter
Funds holding puts (bearish)
2
Funds holding calls (bullish)
4

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
EPS (TTM)
$-0.38
EPS YoY
Revenue (TTM)
Revenue YoY
Net margin
ROE
-60.9%
Debt ratio
20.3%
FCF (TTM)
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2021-09-30: EPS -0.27 2021-12-31: EPS -0.27 2022-03-31: EPS -0.29 2022-06-30: EPS -0.30 2022-09-30: EPS -0.25 2022-12-31: EPS -0.22 2023-03-31: EPS -0.27 2023-06-30: EPS -0.15 2023-09-30: EPS -0.14 2023-12-31: EPS -0.08 2024-03-31: EPS -0.14 2024-06-30: EPS -0.28 2024-09-30: EPS -0.25 2024-12-31: EPS -0.27 2025-03-31: EPS -0.17 2025-06-30: EPS -0.16 2025-09-30: EPS -0.13 2025-12-31: EPS -0.10 2026-03-31: EPS -0.06 2026-06-30: EPS -0.09 -0.33 -0.16 0.00 20212022202320242025202606/26 EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

Quarterly free cash flow
-20M-10M500K 20162017201820192020202120222023202420252026
Latest quarter $500K (2023-12-31)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-06-30 · SEC filings (XBRL)

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.