Aldeyra Therapeutics, Inc. - ALDX

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q2 2026 · Compare: Q1 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% 5.14% 1 0 0.0% Q2 2026 Sep 09, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 3,751,558 7,990 0.0% 0.0% 2 +921,683 32.57% Q2 2026 Aug 14, 2026
KINGDON CAPITAL MANAGEMENT, L.L.C. History Added to 2,652,315 5,649 0.58% 0.4% 3 +500,000 23.23% Q2 2026 Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLC History Reduced 2,361,796 5,030 0.0% 0.0% 4 -1,946 -0.08% Q2 2026 Aug 13, 2026
D. E. Shaw & Co., Inc. History Added to 1,940,338 4,132 0.0% 0.0% 5 +536,348 38.2% Q2 2026 Aug 14, 2026
MARSHALL WACE, LLP History Added to 1,506,974 3,209 0.0% 0.0% 6 +1,377,281 1061.95% Q2 2026 Aug 13, 2026
683 Capital Management, LLC History Reduced 1,450,000 3,088 0.15% 0.13% 7 -50,000 -3.33% Q2 2026 Aug 14, 2026
JANE STREET GROUP, LLC History Added to 1,396,415 2,974 0.0% 0.0% 8 +255,424 22.39% Q2 2026 Aug 14, 2026
ARDSLEY ADVISORY PARTNERS LP History Added to 1,275,000 2,715 0.28% 0.27% 9 +25,000 2.0% Q2 2026 Jul 13, 2026
BlackRock, Inc. History Reduced 1,257,243 2,677 0.0% 0.0% 10 -2,506,644 -66.6% Q2 2026 Aug 07, 2026
Qube Research & Technologies Ltd History Added to 1,128,803 2,404 0.0% 0.0% 11 +1,041,725 1196.31% Q2 2026 Aug 14, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 1,063,793 2,262 0.0% 0.0% 12 +205,505 23.94% Q2 2026 Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 882,000 1,878 0.0% 0.0% 13 +18,813 2.18% Q2 2026 Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History Reduced 794,863 1,693 0.0% 0.0% 14 -12,915 -1.6% Q2 2026 Aug 13, 2026
GOLDMAN SACHS GROUP INC History Added to 725,444 1,545 0.0% 0.0% 15 +182,298 33.56% Q2 2026 Aug 14, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History Reduced 646,840 1,377 0.0% 0.01% 16 -149,976 -18.82% Q2 2026 Aug 14, 2026
MORGAN STANLEY History Added to 608,321 1,295 0.0% 0.0% 17 +89,679 17.29% Q2 2026 Aug 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 596,029 1,270 0.0% 0.0% 18 -655,623 -52.38% Q2 2026 Aug 12, 2026
CITADEL ADVISORS LLC History Added to 542,744 1,156 0.0% 0.0% 19 +125,904 30.2% Q2 2026 Sep 02, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 529,083 1,126 0.0% 0.0% 20 -95,087 -15.23% Q2 2026 Aug 11, 2026
GSA CAPITAL PARTNERS LLP History Added to 472,564 1,007 0.06% 0.03% 21 +225,370 91.17% Q2 2026 Aug 06, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History New 421,178 897 0.0% 22 +421,178 New Q2 2026 Aug 13, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 360,350 767 0.0% 0.0% 23 -634,893 -63.79% Q2 2026 Aug 14, 2026
UBS Group AG History Reduced 301,940 643 0.0% 0.0% 24 -235,629 -43.83% Q2 2026 Aug 13, 2026
VANGUARD FIDUCIARY TRUST CO History Reduced 298,242 635 0.0% 0.0% 25 -40,379 -11.92% Q2 2026 Aug 13, 2026
XTX Topco Ltd History Added to 254,777 542 0.01% 0.0% 26 +179,611 238.95% Q2 2026 Aug 14, 2026
WOODSTOCK CORP History Reduced 242,756 517 0.04% 0.04% 27 -24,000 -9.0% Q2 2026 Jul 13, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 242,098 515 0.0% 0.0% 28 -380,244 -61.1% Q2 2026 Aug 14, 2026
STATE STREET CORP History Reduced 233,774 497 0.0% 0.0% 29 -890,936 -79.21% Q2 2026 Aug 07, 2026
IEQ CAPITAL, LLC History Reduced 206,593 440 0.0% 0.0% 30 -59,925 -22.48% Q2 2026 Aug 11, 2026
CANTOR FITZGERALD, L. P. History New 200,000 426 0.0% 31 +200,000 New Q2 2026 Aug 14, 2026
Caption Management, LLC History No change 165,000 351 0.0% 0.0% 32 0 0.0% Q2 2026 Aug 14, 2026
WELLS FARGO & COMPANY/MN History Reduced 162,336 345 0.0% 0.0% 33 -27,393 -14.44% Q2 2026 Aug 14, 2026
Invesco Ltd. History Reduced 159,540 339 0.0% 0.0% 34 -10,158 -5.99% Q2 2026 Aug 14, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 157,248 334 0.0% 0.0% 35 +127,433 427.41% Q2 2026 Aug 13, 2026
Palo Alto Investors LP History No change 155,709 331 0.05% 0.04% 36 0 0.0% Q2 2026 Aug 19, 2026
Point72 Asset Management, L.P. History New 154,408 328 0.0% 38 +154,408 New Q2 2026 Aug 14, 2026
Connor, Clark & Lunn Investment Management Ltd. History New 154,292 328 0.0% 37 +154,292 New Q2 2026 Aug 12, 2026
Man Group plc History New 152,713 325 0.0% 39 +152,713 New Q2 2026 Aug 14, 2026
Jain Global LLC History New 131,502 280 0.0% 40 +131,502 New Q2 2026 Aug 14, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 127,849 272 0.0% 0.0% 41 -95,688 -42.81% Q2 2026 Aug 14, 2026
NORTHERN TRUST CORP History Reduced 108,888 231 0.0% 0.0% 42 -265,924 -70.95% Q2 2026 Aug 13, 2026
JPMORGAN CHASE & CO History Added to 109,578 224 0.0% 0.0% 43 +86,420 373.18% Q2 2026 Aug 12, 2026
KENNEDY CAPITAL MANAGEMENT LLC History Added to 97,726 208 0.0% 0.0% 44 +1,864 1.94% Q2 2026 Aug 14, 2026
Squarepoint Ops LLC History New 94,048 200 0.0% 46 +94,048 New Q2 2026 Aug 14, 2026
CANADA PENSION PLAN INVESTMENT BOARD History Added to 94,300 200 0.0% 0.0% 45 +46,900 98.95% Q2 2026 Aug 14, 2026
Russell Investments Group, Ltd. History Added to 90,353 192 0.0% 0.0% 48 +6,053 7.18% Q2 2026 Aug 06, 2026
Mariner, LLC History Reduced 90,339 192 0.0% 0.0% 47 -1,531 -1.67% Q2 2026 Aug 13, 2026
ROYAL BANK OF CANADA History Added to 79,783 170 0.0% 0.0% 49 +78,415 5732.09% Q2 2026 Aug 14, 2026
Cerity Partners LLC History Reduced 72,712 154 0.0% 0.0% 51 -8,511 -10.48% Q2 2026 Aug 14, 2026
CWM, LLC History No change 91,623 154 0.0% 0.0% 50 0 0.0% Q1 2026 May 14, 2026
Chicago Partners Investment Group LLC History Added to 83,984 130 0.0% 0.0% 52 +64,461 330.18% Q2 2026 Jul 29, 2026
CAPTRUST FINANCIAL ADVISORS History Reduced 51,778 110 0.0% 0.0% 53 -1,169 -2.21% Q2 2026 Aug 13, 2026
Quadrature Capital Ltd History New 46,044 98 0.0% 55 +46,044 New Q2 2026 Aug 06, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Reduced 47,518 98 0.0% 0.0% 54 -13,569 -22.21% Q2 2026 Jul 15, 2026
Graham Capital Management, L.P. History Reduced 43,556 92 0.0% 0.0% 56 -8,036 -15.58% Q2 2026 Aug 14, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History Reduced 36,750 89 0.01% 0.0% 57 -610 -1.63% Q2 2026 Jul 22, 2026
Creative Planning History Added to 38,200 81 0.0% 0.0% 58 +9,329 32.31% Q2 2026 Aug 13, 2026
AlphaCentric Advisors LLC History Added to 37,656 80 0.07% 0.06% 59 +536 1.44% Q2 2026 Jul 24, 2026
MERCER GLOBAL ADVISORS INC /ADV History Reduced 36,901 78 0.0% 0.0% 60 -841 -2.23% Q2 2026 Aug 19, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Reduced 35,091 75 0.0% 0.0% 61 -38,681 -52.43% Q2 2026 Aug 14, 2026
BANK OF AMERICA CORP /DE/ History Reduced 33,925 72 0.0% 0.0% 62 -181,407 -84.25% Q2 2026 Aug 14, 2026
TWO SIGMA SECURITIES, LLC History New 32,818 69 0.01% 63 +32,818 New Q2 2026 Aug 14, 2026
SIMPLEX TRADING, LLC History Reduced 29,757 63 0.0% 0.0% 64 -97,343 -76.59% Q2 2026 Aug 12, 2026
STATE OF WISCONSIN INVESTMENT BOARD History New 28,400 60 0.0% 66 +28,400 New Q2 2026 Aug 14, 2026
Arax Advisory Partners History Added to 28,634 60 0.0% 65 +28,158 5915.55% Q2 2026 Aug 10, 2026
Providence Wealth Advisors, LLC History No change 25,000 58 0.03% 0.03% 67 0 0.0% Q2 2026 Jul 29, 2026
RHUMBLINE ADVISERS History Reduced 26,652 56 0.0% 0.0% 68 -42,553 -61.49% Q2 2026 Aug 11, 2026
Schonfeld Strategic Advisors LLC History New 20,920 44 0.0% 70 +20,920 New Q2 2026 Aug 14, 2026
SEI INVESTMENTS CO History New 20,739 44 0.0% 69 +20,739 New Q2 2026 Aug 14, 2026
Hikari Power Ltd History No change 20,020 43 0.01% 0.0% 71 0 0.0% Q2 2026 Aug 06, 2026
FMR LLC History Added to 17,889 38 0.0% 0.0% 72 +1,386 8.4% Q2 2026 Aug 13, 2026
Federation des caisses Desjardins du Quebec History No change 18,106 38 0.0% 0.0% 73 0 0.0% Q2 2026 Aug 13, 2026
Vanguard Global Advisers, LLC History No change 17,687 37 0.0% 0.0% 74 0 0.0% Q2 2026 Aug 13, 2026
Y-Intercept (Hong Kong) Ltd History New 17,084 36 0.0% 76 +17,084 New Q2 2026 Jul 13, 2026
LETKO, BROSSEAU & ASSOCIATES INC History No change 17,300 36 0.0% 0.0% 75 0 0.0% Q2 2026 Aug 13, 2026
Merit Financial Group, LLC History Reduced 16,664 35 0.0% 0.0% 77 -3,015 -15.32% Q2 2026 Jul 20, 2026
Virtu Financial LLC History New 15,826 34 0.0% 79 +15,826 New Q2 2026 Aug 13, 2026
BRIGHTON JONES LLC History Reduced 16,144 34 0.0% 0.0% 78 -6,055 -27.28% Q2 2026 Aug 11, 2026
StoneX Group Inc. History New 19,296 33 0.0% 80 +19,296 New Q2 2026 Aug 12, 2026
Cetera Investment Advisers History New 14,699 31 0.0% 82 +14,699 New Q2 2026 Aug 12, 2026
Activest Wealth Management History Added to 15,000 31 0.01% 0.0% 81 +11,000 275.0% Q2 2026 Jul 16, 2026
Focus Partners Wealth History Reduced 13,863 29 0.0% 0.0% 83 -8,235 -37.27% Q2 2026 Aug 12, 2026
LPL Financial LLC History Reduced 13,316 28 0.0% 0.0% 84 -10,100 -43.13% Q2 2026 Aug 07, 2026
King Wealth Management Group History Added to 12,700 27 0.0% 0.0% 85 +800 6.72% Q2 2026 Aug 05, 2026
U.S. Capital Wealth Advisors, LLC History No change 15,805 26 0.0% 0.0% 86 0 0.0% Q1 2026 Apr 07, 2026
INSPIRION WEALTH ADVISORS, LLC History No change 10,000 24 0.0% 0.0% 87 0 0.0% Q2 2026 Jul 07, 2026
Caitong International Asset Management Co., Ltd History New 10,863 23 0.0% 88 +10,863 New Q2 2026 Aug 04, 2026
Global Retirement Partners, LLC History New 10,000 21 0.0% 89 +10,000 New Q2 2026 Aug 06, 2026
BARCLAYS PLC History Reduced 5,769 12 0.0% 0.0% 90 -4,137 -41.76% 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% 91 0 0.0% Q2 2026 Aug 13, 2026
Farther Finance Advisors, LLC History Added to 4,497 9 0.0% 0.0% 92 +47 1.06% Q2 2026 Jul 17, 2026
Optiver Holding B.V. History Reduced 4,022 8 0.0% 0.0% 94 -544 -11.91% Q2 2026 Aug 12, 2026
EverSource Wealth Advisors, LLC History Reduced 4,027 8 0.0% 0.0% 93 -189 -4.48% Q2 2026 Jul 24, 2026
Essential Partners LLC History Reduced 2,070 4 0.0% 0.02% 96 -33,823 -94.23% Q2 2026 Aug 10, 2026
RAFFA WEALTH MANAGEMENT, LLC History No change 1,897 4 0.0% 0.0% 95 0 0.0% Q2 2026 Jul 27, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 1,575 3 0.0% 97 +1,206 326.83% Q2 2026 Aug 07, 2026
SBI Securities Co., Ltd. History Added to 1,423 3 0.0% 99 +1,160 441.06% Q2 2026 Jul 22, 2026
Allworth Financial LP History Reduced 1,827 3 0.0% 0.0% 98 -258 -12.37% Q2 2026 Aug 11, 2026
IFP Advisors, Inc History Reduced 1,407 2 0.0% 0.0% 100 -35 -2.43% Q2 2026 Jul 20, 2026
GROUP ONE TRADING LLC History Reduced 800 1 0.0% 0.0% 101 -32,500 -97.6% Q2 2026 Aug 13, 2026
Propel Bio Management, LLC History Closed out 0 0 0.78% -730,606 -100.0% Q2 2026 Aug 13, 2026
HRT FINANCIAL LP History Closed out 0 0 0.0% -286,444 -100.0% Q2 2026 Aug 14, 2026
ExodusPoint Capital Management, LP History Closed out 0 0 0.0% -167,604 -100.0% Q2 2026 Aug 14, 2026
WELLINGTON MANAGEMENT GROUP LLP History Closed out 0 0 0.0% -148,962 -100.0% Q2 2026 Aug 14, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Closed out 0 0 0.0% -139,029 -100.0% Q2 2026 Aug 14, 2026
Bank of New York Mellon Corp History Closed out 0 0 0.0% -136,746 -100.0% Q2 2026 Aug 06, 2026
FOX RUN MANAGEMENT, L.L.C. History Closed out 0 0 0.03% -90,964 -100.0% Q2 2026 Aug 04, 2026
STRS OHIO History Closed out 0 0 0.0% -68,200 -100.0% Q2 2026 Jul 30, 2026
ALLIANCEBERNSTEIN L.P. History Closed out 0 0 0.0% -68,140 -100.0% Q2 2026 Aug 14, 2026
FLOW TRADERS U.S. LLC History Closed out 0 0 0.0% -55,521 -100.0% Q2 2026 Aug 14, 2026
DEUTSCHE BANK AG\ History Closed out 0 0 0.0% -50,271 -100.0% Q2 2026 Aug 07, 2026
FIRST MANHATTAN CO. LLC. History Closed out 0 0 0.0% -34,745 -100.0% Q2 2026 Aug 14, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Closed out 0 0 0.0% -25,815 -100.0% Q2 2026 Aug 14, 2026
Nuveen, LLC History Closed out 0 0 0.0% -21,266 -100.0% Q2 2026 Aug 11, 2026
Police & Firemen's Retirement System of New Jersey History Closed out 0 0 0.0% -18,181 -100.0% Q2 2026 Jul 23, 2026
Focus Partners Advisor Solutions, LLC History Closed out 0 0 0.0% -17,026 -100.0% Q2 2026 Aug 06, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Closed out 0 0 0.0% -16,155 -100.0% Q2 2026 Sep 09, 2026
Abel Hall, LLC History Closed out 0 0 0.01% -15,142 -100.0% Q2 2026 Jul 24, 2026
Capital Advisors Wealth Management, LLC History Closed out 0 0 0.0% -15,000 -100.0% Q2 2026 Jul 23, 2026
Integrated Wealth Concepts LLC History Closed out 0 0 0.0% -14,958 -100.0% Q2 2026 Sep 08, 2026
INTECH INVESTMENT MANAGEMENT LLC History Closed out 0 0 0.0% -14,754 -100.0% Q2 2026 Aug 10, 2026
Krilogy Financial LLC History Closed out 0 0 0.0% -14,459 -100.0% Q2 2026 Jul 27, 2026
CIBC Bancorp USA Inc. History Closed out 0 0 0.0% -13,237 -100.0% Q2 2026 Aug 13, 2026
Caerus Investment Advisors, LLC History Closed out 0 0 0.01% -11,455 -100.0% Q2 2026 Aug 14, 2026
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -11,325 -100.0% Q2 2026 Aug 11, 2026
NEW YORK STATE COMMON RETIREMENT FUND History Closed out 0 0 0.0% -9,598 -100.0% Q2 2026 Jul 29, 2026
Legal & General Group Plc History Closed out 0 0 0.0% -4,940 -100.0% Q2 2026 Aug 14, 2026
NISA INVESTMENT ADVISORS, LLC History Reduced 184 0 0.0% -4,416 -96.0% Q2 2026 Aug 10, 2026
Ameritas Investment Partners, Inc. History Closed out 0 0 0.0% -3,846 -100.0% Q2 2026 Aug 13, 2026
Quantbot Technologies LP History Closed out 0 0 0.0% -3,795 -100.0% Q2 2026 Aug 12, 2026
MAI Capital Management History Closed out 0 0 0.0% -3,208 -100.0% Q2 2026 Aug 14, 2026
FEDERATED HERMES, INC. History Closed out 0 0 0.0% -2,962 -100.0% Q2 2026 Aug 12, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Closed out 0 0 0.0% -2,937 -100.0% Q2 2026 Aug 24, 2026
CITIGROUP INC History Reduced 327 0 0.0% -2,784 -89.49% Q2 2026 Aug 03, 2026
GAMMA Investing LLC History Reduced 320 0 0.0% -797 -71.35% Q2 2026 Jul 07, 2026
Sterling Capital Management LLC History Closed out 0 0 0.0% -621 -100.0% Q2 2026 Jul 28, 2026
Root Financial Partners, LLC History Closed out 0 0 -449 -100.0% Q2 2026 Jul 29, 2026
QUADRANT CAPITAL GROUP LLC History Closed out 0 0 -185 -100.0% Q2 2026 Aug 14, 2026
True Wealth Design, LLC History Added to 312 0 +154 97.47% Q2 2026 Jul 16, 2026
Versant Capital Management, Inc History Closed out 0 0 -139 -100.0% Q2 2026 Jul 02, 2026
Basecamp Wealth Advisors LLC History Closed out 0 0 -109 -100.0% Q2 2026 Aug 14, 2026
SJS Investment Consulting Inc. History Reduced 190 0 -94 -33.1% Q2 2026 Jul 22, 2026
JPL Wealth Management, LLC History Closed out 0 0 -14 -100.0% Q2 2026 Aug 13, 2026
ROTHSCHILD INVESTMENT LLC History Reduced 355 0 -5 -1.39% 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% Q2 2026 Jul 27, 2026