Aldeyra Therapeutics, Inc. - ALDX

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2026
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Knoll Capital Management, LLC History No change 5,475,516 11,662 5.44% 5.44% 1 0 0.0% Q2 2026 Sep 09, 2026
AQR CAPITAL MANAGEMENT LLC History No change 3,751,558 7,990 0.0% 0.0% 2 0 0.0% Q2 2026 Aug 14, 2026
KINGDON CAPITAL MANAGEMENT, L.L.C. History No change 2,652,315 5,649 0.58% 0.58% 3 0 0.0% Q2 2026 Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLC History No change 2,361,796 5,030 0.0% 0.0% 4 0 0.0% Q2 2026 Aug 13, 2026
D. E. Shaw & Co., Inc. History No change 1,940,338 4,132 0.0% 0.0% 5 0 0.0% Q2 2026 Aug 14, 2026
MARSHALL WACE, LLP History No change 1,506,974 3,209 0.0% 0.0% 6 0 0.0% Q2 2026 Aug 13, 2026
683 Capital Management, LLC History No change 1,450,000 3,088 0.15% 0.15% 7 0 0.0% Q2 2026 Aug 14, 2026
JANE STREET GROUP, LLC History No change 1,396,415 2,974 0.0% 0.0% 8 0 0.0% Q2 2026 Aug 14, 2026
ARDSLEY ADVISORY PARTNERS LP History No change 1,275,000 2,715 0.28% 0.28% 9 0 0.0% Q2 2026 Jul 13, 2026
BlackRock, Inc. History No change 1,257,243 2,677 0.0% 0.0% 10 0 0.0% Q2 2026 Aug 07, 2026
Qube Research & Technologies Ltd History No change 1,128,803 2,404 0.0% 0.0% 11 0 0.0% Q2 2026 Aug 14, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 1,063,793 2,262 0.0% 0.0% 12 0 0.0% Q2 2026 Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 882,000 1,878 0.0% 0.0% 13 0 0.0% Q2 2026 Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History No change 794,863 1,693 0.0% 0.0% 14 0 0.0% Q2 2026 Aug 13, 2026
GOLDMAN SACHS GROUP INC History No change 725,444 1,545 0.0% 0.0% 15 0 0.0% Q2 2026 Aug 14, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History No change 646,840 1,377 0.0% 0.0% 16 0 0.0% Q2 2026 Aug 14, 2026
MORGAN STANLEY History No change 608,321 1,295 0.0% 0.0% 17 0 0.0% Q2 2026 Aug 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 596,029 1,270 0.0% 0.0% 18 0 0.0% Q2 2026 Aug 12, 2026
CITADEL ADVISORS LLC History No change 542,744 1,156 0.0% 0.0% 19 0 0.0% Q2 2026 Sep 02, 2026
GSA CAPITAL PARTNERS LLP History No change 472,564 1,007 0.06% 0.06% 20 0 0.0% Q2 2026 Aug 06, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History No change 421,178 897 0.0% 0.0% 21 0 0.0% Q2 2026 Aug 13, 2026
MILLENNIUM MANAGEMENT LLC History No change 360,350 767 0.0% 0.0% 22 0 0.0% Q2 2026 Aug 14, 2026
UBS Group AG History No change 301,940 643 0.0% 0.0% 23 0 0.0% Q2 2026 Aug 13, 2026
VANGUARD FIDUCIARY TRUST CO History No change 298,242 635 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 13, 2026
XTX Topco Ltd History No change 254,777 542 0.01% 0.01% 25 0 0.0% Q2 2026 Aug 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History No change 242,098 515 0.0% 0.0% 26 0 0.0% Q2 2026 Aug 14, 2026
STATE STREET CORP History No change 233,774 497 0.0% 0.0% 27 0 0.0% Q2 2026 Sep 22, 2026
IEQ CAPITAL, LLC History No change 206,593 440 0.0% 0.0% 28 0 0.0% Q2 2026 Aug 11, 2026
CANTOR FITZGERALD, L. P. History No change 200,000 426 0.0% 0.0% 29 0 0.0% Q2 2026 Aug 14, 2026
Caption Management, LLC History No change 165,000 351 0.0% 0.0% 30 0 0.0% Q2 2026 Aug 14, 2026
WELLS FARGO & COMPANY/MN History No change 162,336 345 0.0% 0.0% 31 0 0.0% Q2 2026 Aug 14, 2026
Invesco Ltd. History No change 159,540 339 0.0% 0.0% 32 0 0.0% Q2 2026 Aug 14, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 157,248 334 0.0% 0.0% 33 0 0.0% Q2 2026 Aug 13, 2026
Palo Alto Investors LP History No change 155,709 331 0.05% 0.05% 34 0 0.0% Q2 2026 Aug 19, 2026
Connor, Clark & Lunn Investment Management Ltd. History No change 154,292 328 0.0% 0.0% 35 0 0.0% Q2 2026 Aug 12, 2026
Point72 Asset Management, L.P. History No change 154,408 328 0.0% 0.0% 36 0 0.0% Q2 2026 Aug 14, 2026
Man Group plc History No change 152,713 325 0.0% 0.0% 37 0 0.0% Q2 2026 Aug 14, 2026
WOODSTOCK CORP History No change 242,756 298 0.02% 0.04% 38 0 0.0% Q3 2026 Oct 13, 2026
Jain Global LLC History No change 131,502 280 0.0% 0.0% 39 0 0.0% Q2 2026 Aug 14, 2026
TWO SIGMA INVESTMENTS, LP History No change 127,849 272 0.0% 0.0% 40 0 0.0% Q2 2026 Aug 14, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 209,969 258 0.0% 0.0% 41 -319,114 -60.31% Q3 2026 Nov 04, 2026
NORTHERN TRUST CORP History No change 108,888 231 0.0% 0.0% 42 0 0.0% Q2 2026 Aug 13, 2026
JPMORGAN CHASE & CO History No change 109,578 224 0.0% 0.0% 43 0 0.0% Q2 2026 Aug 12, 2026
KENNEDY CAPITAL MANAGEMENT LLC History No change 97,726 208 0.0% 0.0% 44 0 0.0% Q2 2026 Aug 14, 2026
CANADA PENSION PLAN INVESTMENT BOARD History No change 94,300 200 0.0% 0.0% 45 0 0.0% Q2 2026 Aug 14, 2026
Squarepoint Ops LLC History No change 94,048 200 0.0% 0.0% 46 0 0.0% Q2 2026 Aug 14, 2026
Mariner, LLC History No change 90,339 192 0.0% 0.0% 47 0 0.0% Q2 2026 Aug 13, 2026
Russell Investments Group, Ltd. History No change 90,353 192 0.0% 0.0% 48 0 0.0% Q2 2026 Aug 06, 2026
ROYAL BANK OF CANADA History No change 79,783 170 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 14, 2026
Cerity Partners LLC History No change 72,712 154 0.0% 0.0% 50 0 0.0% Q2 2026 Aug 14, 2026
CAPTRUST FINANCIAL ADVISORS History No change 51,778 110 0.0% 0.0% 51 0 0.0% Q2 2026 Aug 13, 2026
Quadrature Capital Ltd History No change 46,044 98 0.0% 0.0% 52 0 0.0% Q2 2026 Aug 06, 2026
Graham Capital Management, L.P. History No change 43,556 92 0.0% 0.0% 53 0 0.0% Q2 2026 Aug 14, 2026
MERCER GLOBAL ADVISORS INC /ADV History No change 36,901 78 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 19, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 35,091 75 0.0% 0.0% 55 0 0.0% Q2 2026 Aug 14, 2026
BANK OF AMERICA CORP /DE/ History No change 33,925 72 0.0% 0.0% 56 0 0.0% Q2 2026 Aug 14, 2026
TWO SIGMA SECURITIES, LLC History No change 32,818 69 0.01% 0.01% 57 0 0.0% Q2 2026 Aug 14, 2026
STATE OF WISCONSIN INVESTMENT BOARD History No change 28,400 60 0.0% 0.0% 58 0 0.0% Q2 2026 Aug 14, 2026
Arax Advisory Partners History No change 28,634 60 0.0% 0.0% 59 0 0.0% Q2 2026 Aug 10, 2026
RHUMBLINE ADVISERS History No change 26,652 56 0.0% 0.0% 60 0 0.0% Q2 2026 Aug 11, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History Added to 37,250 48 0.0% 0.01% 61 +500 1.36% Q3 2026 Nov 02, 2026
MACKENZIE FINANCIAL CORP History New 37,632 46 0.0% — 62 +37,632 New Q3 2026 Nov 02, 2026
SEI INVESTMENTS CO History No change 20,739 44 0.0% 0.0% 63 0 0.0% Q2 2026 Aug 14, 2026
Schonfeld Strategic Advisors LLC History No change 20,920 44 0.0% 0.0% 64 0 0.0% Q2 2026 Aug 14, 2026
FMR LLC History No change 17,889 38 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 13, 2026
Federation des caisses Desjardins du Quebec History No change 18,106 38 0.0% 0.0% 66 0 0.0% Q2 2026 Aug 13, 2026
Vanguard Global Advisers, LLC History No change 17,687 37 0.0% 0.0% 67 0 0.0% Q2 2026 Aug 13, 2026
LETKO, BROSSEAU & ASSOCIATES INC History No change 17,300 36 0.0% 0.0% 68 0 0.0% Q2 2026 Aug 13, 2026
Merit Financial Group, LLC History No change 16,664 35 0.0% 0.0% 69 0 0.0% Q2 2026 Jul 20, 2026
Virtu Financial LLC History No change 15,826 34 0.0% 0.0% 70 0 0.0% Q2 2026 Aug 13, 2026
Cetera Investment Advisers History No change 14,699 31 0.0% 0.0% 71 0 0.0% Q2 2026 Aug 12, 2026
Focus Partners Wealth History No change 13,863 29 0.0% 0.0% 72 0 0.0% Q2 2026 Aug 12, 2026
Providence Wealth Advisors, LLC History No change 25,000 29 0.02% 0.03% 73 0 0.0% Q3 2026 Oct 29, 2026
LPL Financial LLC History No change 13,316 28 0.0% 0.0% 74 0 0.0% Q2 2026 Aug 07, 2026
King Wealth Management Group History No change 12,700 27 0.0% 0.0% 75 0 0.0% Q2 2026 Aug 05, 2026
Hikari Power Ltd History No change 20,020 25 0.01% 0.01% 76 0 0.0% Q3 2026 Oct 29, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Reduced 23,145 21 0.0% 0.0% 77 -24,373 -51.29% Q3 2026 Oct 13, 2026
Global Retirement Partners, LLC History No change 10,000 21 0.0% 0.0% 78 0 0.0% Q2 2026 Aug 06, 2026
Activest Wealth Management History No change 15,000 18 0.0% 0.01% 79 0 0.0% Q3 2026 Oct 15, 2026
Creative Planning History Reduced 10,647 13 0.0% 0.0% 81 -27,553 -72.13% Q3 2026 Nov 02, 2026
StoneX Group Inc. History Reduced 10,367 13 0.0% 0.0% 80 -8,929 -46.27% Q3 2026 Nov 03, 2026
BARCLAYS PLC History No change 5,769 12 0.0% 0.0% 82 0 0.0% Q2 2026 Aug 14, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History No change 4,825 10 0.0% 0.0% 83 0 0.0% Q2 2026 Aug 13, 2026
Optiver Holding B.V. History No change 4,022 8 0.0% 0.0% 84 0 0.0% Q2 2026 Aug 12, 2026
Farther Finance Advisors, LLC History Reduced 3,960 4 0.0% 0.0% 86 -537 -11.94% Q3 2026 Oct 08, 2026
RAFFA WEALTH MANAGEMENT, LLC History No change 1,897 4 0.0% 0.0% 85 0 0.0% Q2 2026 Jul 27, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 1,575 3 0.0% 0.0% 87 0 0.0% Q2 2026 Aug 07, 2026
Allworth Financial LP History No change 1,827 3 0.0% 0.0% 88 0 0.0% Q2 2026 Aug 11, 2026
EverSource Wealth Advisors, LLC History Reduced 2,142 2 0.0% 0.0% 89 -1,885 -46.81% Q3 2026 Nov 04, 2026
Caitong International Asset Management Co., Ltd History Reduced 993 1 0.0% 0.0% 91 -9,870 -90.86% Q3 2026 Oct 29, 2026
GROUP ONE TRADING LLC History No change 800 1 0.0% 0.0% 90 0 0.0% Q2 2026 Aug 13, 2026
Chicago Partners Investment Group LLC History Closed out 0 0 — 0.0% — -83,984 -100.0% Q3 2026 Oct 26, 2026
AlphaCentric Advisors LLC History Closed out 0 0 — 0.07% — -37,656 -100.0% Q3 2026 Nov 03, 2026
SIMPLEX TRADING, LLC History Reduced 500 0 — 0.0% — -29,257 -98.32% Q3 2026 Nov 04, 2026
Y-Intercept (Hong Kong) Ltd History Closed out 0 0 — 0.0% — -17,084 -100.0% Q3 2026 Oct 16, 2026
BRIGHTON JONES LLC History Closed out 0 0 — 0.0% — -16,144 -100.0% Q3 2026 Nov 03, 2026
INSPIRION WEALTH ADVISORS, LLC History Closed out 0 0 — 0.0% — -10,000 -100.0% Q3 2026 Oct 08, 2026
Essential Partners LLC History Reduced 633 0 — 0.0% — -1,437 -69.42% Q3 2026 Oct 14, 2026
IFP Advisors, Inc History Closed out 0 0 — 0.0% — -1,407 -100.0% Q3 2026 Oct 16, 2026
SBI Securities Co., Ltd. History Reduced 266 0 — 0.0% — -1,157 -81.31% Q3 2026 Oct 21, 2026
Physician Wealth Advisors, Inc. History New 338 0 — — — +338 New Q3 2026 Oct 20, 2026
True Wealth Design, LLC History Closed out 0 0 — — — -312 -100.0% Q3 2026 Oct 13, 2026
GAMMA Investing LLC History Reduced 135 0 — — — -185 -57.81% Q3 2026 Oct 08, 2026
NISA INVESTMENT ADVISORS, LLC History Closed out 0 0 — — — -184 -100.0% Q3 2026 Oct 20, 2026
Provenance Wealth Advisors, LLC History New 181 0 — — — +181 New Q3 2026 Oct 30, 2026
SJS Investment Consulting Inc. History Reduced 48 0 — — — -142 -74.74% Q3 2026 Oct 26, 2026
Main Street Group, LTD History New 38 0 — — — +38 New Q3 2026 Oct 28, 2026
CITIGROUP INC History Added to 328 0 — — — +1 0.31% Q3 2026 Nov 04, 2026
ROTHSCHILD INVESTMENT LLC History No change 355 0 — — — 0 0.0% Q2 2026 Aug 06, 2026
Truvestments Capital LLC History No change 265 0 — — — 0 0.0% Q2 2026 Aug 12, 2026
HighMark Wealth Management LLC History No change 155 0 — — — 0 0.0% Q2 2026 Aug 12, 2026
TD Waterhouse Canada Inc. History No change 15 0 — — — 0 0.0% Q3 2026 Oct 16, 2026