ALDX
Aldeyra Therapeutics, Inc.Closed0.8998−0.01 −0.66%USD
NasdaqCM · as of Oct 13, 16:00 ET · 15m delayAfter hours 0.8900 −1.09%
Open
0.8900
Prev close
0.9058
Day range
0.86520.9100
52-week range
0.86205.93
Volume
1.45M1.24×
Mkt cap
54.28M
P/E ttm
—
Fwd P/E
-3.27
EPS ttm
-0.3800
Div yield
0.00%
Earnings
—
From 52w high
−84.83%
ALDX shareholders
ALDX Ownership
13F / N-PORT filings via Yahoo
Institutions
61.5%
63.8% of the float
Insiders
3.6%
officers and directors
Institutional holders
135
filing positions
Top 10 institutions
38.0%
6 adding · 3 trimming
Top Institutions
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| Knoll Capital Management, LLC | 9.08% | 5.48M | $4.93M | 0.0% | Jun 30, 2026 |
| AQR Capital Management, LLC | 6.22% | 3.75M | $3.38M | +32.6% | Jun 30, 2026 |
| Kingdon Capital Management LLC | 4.40% | 2.65M | $2.39M | +23.2% | Jun 30, 2026 |
| Vanguard Capital Management LLC | 3.92% | 2.36M | $2.13M | −0.1% | Jun 30, 2026 |
| Shaw D.E. & Co., Inc. | 3.22% | 1.94M | $1.75M | +38.2% | Jun 30, 2026 |
| Marshall Wace LLP | 2.50% | 1.51M | $1.36M | +1061.9% | Jun 30, 2026 |
| 683 Capital Management LLC | 2.40% | 1.45M | $1.30M | −3.3% | Jun 30, 2026 |
| Jane Street Group, LLC | 2.28% | 1.38M | $1.24M | +41.9% | Jun 30, 2026 |
| Blackrock Inc. | 2.08% | 1.26M | $1.13M | −66.6% | Jun 30, 2026 |
| Qube Research & Technologies Ltd | 1.87% | 1.13M | $1.02M | +1196.3% | Jun 30, 2026 |
Top Funds
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.96% | 1.78M | $1.61M | 0.0% | Jun 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 0.86% | 521.51K | $469.26K | −0.4% | Jun 30, 2026 |
| Vanguard Explorer Fund | 0.55% | 331.51K | $298.29K | 0.0% | Jul 31, 2026 |
| VANGUARD VARIABLE INSURANCE FUNDS-Small Company Growth Portfolio | 0.51% | 308.15K | $277.27K | +100.0% | Jun 30, 2026 |
| VANGUARD SCOTTSDALE FUNDS-Vanguard Russell 2000 Index Fund | 0.46% | 276.80K | $249.06K | +3.3% | May 31, 2026 |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 0.46% | 275.83K | $248.19K | +10.2% | Aug 31, 2026 |
| iShares Trust-iShares Micro-Cap ETF | 0.31% | 186.30K | $167.63K | +0.7% | Aug 31, 2026 |
| VANGUARD WORLD FUND-Vanguard Health Care Index Fund | 0.26% | 154.61K | $139.12K | −0.8% | May 31, 2026 |
| DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Micro Cap Portfolio | 0.23% | 140.33K | $126.27K | 0.0% | Jul 31, 2026 |
| Invesco Exchange-Traded Fund Trust-Invesco RAFI US 1500 Small-Mid ETF | 0.17% | 105.13K | $94.59K | 0.0% | Aug 31, 2026 |
Institutions report quarterly, up to 45 days after the quarter ends, so these positions can be months old. Change compares the share count with the holder's previous filing. Insider transactions are on the overview page (INSD).