Aldeyra Therapeutics, Inc. - ALDX

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
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
VANGUARD GROUP INC History No change 3,698,682 19,159 0.0% 0.0% 1 0 0.0% Q4 2025 Jan 29, 2026
Knoll Capital Management, LLC History No change 5,475,516 9,253 5.14% 13.01% 2 0 0.0% Q1 2026 May 15, 2026
BlackRock, Inc. History Reduced 3,763,887 6,360 0.0% 0.0% 3 -86,216 -2.24% Q1 2026 May 13, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 2,829,875 4,782 0.0% 0.0% 4 +1,602,953 130.65% Q1 2026 May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 2,363,742 3,994 0.0% 5 +2,363,742 New Q1 2026 May 15, 2026
KINGDON CAPITAL MANAGEMENT, L.L.C. History Added to 2,152,315 3,637 0.4% 1.14% 6 +302,315 16.34% Q1 2026 May 15, 2026
683 Capital Management, LLC History Reduced 1,500,000 2,534 0.13% 0.34% 7 -30,000 -1.96% Q1 2026 May 15, 2026
D. E. Shaw & Co., Inc. History Reduced 1,403,990 2,372 0.0% 0.0% 8 -197,334 -12.32% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 1,251,652 2,115 0.0% 0.0% 9 +81,115 6.93% Q1 2026 May 15, 2026
ARDSLEY ADVISORY PARTNERS LP History Reduced 1,250,000 2,112 0.27% 0.85% 10 -250,000 -16.67% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Added to 1,140,991 1,928 0.0% 0.0% 11 +757,639 197.64% Q1 2026 May 12, 2026
STATE STREET CORP History Added to 1,124,710 1,900 0.0% 0.0% 12 +26,110 2.38% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Added to 995,243 1,681 0.0% 0.0% 13 +951,184 2158.89% Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 863,187 1,458 0.0% 0.0% 14 +513,187 146.62% Q1 2026 May 14, 2026
ACADIAN ASSET MANAGEMENT LLC History Reduced 858,288 1,446 0.0% 0.01% 15 -121,233 -12.38% Q1 2026 May 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 807,778 1,365 0.0% 16 +807,778 New Q1 2026 May 08, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History Reduced 796,816 1,346 0.01% 0.02% 17 -171,935 -17.75% Q1 2026 May 15, 2026
Propel Bio Management, LLC History New 730,606 1,234 0.78% 18 +730,606 New Q1 2026 May 14, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 624,170 1,054 0.0% 0.0% 19 +11,912 1.95% Q1 2026 May 07, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 622,342 1,051 0.0% 0.0% 20 +248,635 66.53% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History Added to 543,146 917 0.0% 0.0% 21 +237,440 77.67% Q1 2026 May 15, 2026
UBS Group AG History Added to 537,569 908 0.0% 0.0% 22 +441,892 461.86% Q1 2026 May 05, 2026
MORGAN STANLEY History Reduced 518,642 876 0.0% 0.0% 23 -138,390 -21.06% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History Added to 416,840 704 0.0% 0.0% 24 +63,940 18.12% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Reduced 374,812 633 0.0% 0.0% 25 -4,593 -1.21% Q1 2026 May 14, 2026
TWO SIGMA ADVISERS, LP History No change 121,900 631 0.0% 0.0% 26 0 0.0% Q4 2025 Feb 17, 2026
VANGUARD FIDUCIARY TRUST CO History New 338,621 572 0.0% 27 +338,621 New Q1 2026 May 08, 2026
HRT FINANCIAL LP History New 286,444 484 0.0% 28 +286,444 New Q1 2026 May 14, 2026
IEQ CAPITAL, LLC History Added to 266,518 450 0.0% 0.0% 30 +122,319 84.83% Q1 2026 May 14, 2026
WOODSTOCK CORP History No change 266,756 450 0.04% 0.12% 29 0 0.0% Q1 2026 Apr 08, 2026
GSA CAPITAL PARTNERS LLP History Added to 247,194 418 0.03% 0.04% 31 +150,277 155.06% Q1 2026 May 08, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 223,537 377 0.0% 0.0% 32 -63,827 -22.21% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Reduced 215,332 363 0.0% 0.0% 33 -194,696 -47.48% Q1 2026 May 15, 2026
ALLIANCEBERNSTEIN L.P. History Reduced 68,140 352 0.0% 0.0% 34 -7,410 -9.81% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History Reduced 189,729 320 0.0% 0.0% 35 -179,440 -48.61% Q1 2026 May 11, 2026
Invesco Ltd. History Added to 169,698 286 0.0% 0.0% 36 +6,611 4.05% Q1 2026 May 12, 2026
ExodusPoint Capital Management, LP History Added to 167,604 283 0.0% 0.0% 37 +75,214 81.41% Q1 2026 May 14, 2026
Caption Management, LLC History Added to 165,000 278 0.0% 0.0% 38 +130,000 371.43% Q1 2026 May 15, 2026
Palo Alto Investors LP History Reduced 155,709 263 0.04% 0.16% 39 -69,756 -30.94% Q1 2026 May 15, 2026
WELLINGTON MANAGEMENT GROUP LLP History Reduced 148,962 251 0.0% 0.0% 40 -29,889 -16.71% Q1 2026 May 15, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 139,029 234 0.0% 0.0% 41 -13,758 -9.0% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Added to 136,746 231 0.0% 0.0% 42 +20,980 18.12% Q1 2026 May 05, 2026
MARSHALL WACE, LLP History New 129,693 219 0.0% 43 +129,693 New Q1 2026 May 14, 2026
SIMPLEX TRADING, LLC History Added to 127,100 214 0.0% 0.0% 44 +63,145 98.73% Q1 2026 May 14, 2026
KENNEDY CAPITAL MANAGEMENT LLC History Reduced 95,862 162 0.0% 0.14% 45 -1,159,976 -92.37% Q1 2026 May 13, 2026
Mariner, LLC History Added to 91,870 155 0.0% 0.0% 46 +68,994 301.6% Q1 2026 May 13, 2026
CWM, LLC History Added to 91,623 154 0.0% 0.0% 47 +48,318 111.58% Q1 2026 May 14, 2026
FOX RUN MANAGEMENT, L.L.C. History Added to 90,964 152 0.03% 0.02% 48 +69,981 333.51% Q1 2026 May 12, 2026
Qube Research & Technologies Ltd History Added to 87,078 147 0.0% 0.0% 49 +2,150 2.53% Q1 2026 May 15, 2026
Russell Investments Group, Ltd. History Reduced 84,300 142 0.0% 0.0% 50 -29,826 -26.13% Q1 2026 May 08, 2026
Cerity Partners LLC History Added to 81,223 137 0.0% 0.0% 51 +30,174 59.11% Q1 2026 May 15, 2026
XTX Topco Ltd History Added to 75,166 127 0.0% 0.01% 52 +32,939 78.0% Q1 2026 May 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Added to 73,772 125 0.0% 0.0% 53 +9,510 14.8% Q1 2026 May 15, 2026
RHUMBLINE ADVISERS History Reduced 69,205 116 0.0% 0.0% 54 -1,208 -1.72% Q1 2026 May 12, 2026
STRS OHIO History No change 68,200 115 0.0% 0.0% 55 0 0.0% Q1 2026 Apr 24, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Added to 61,087 101 0.0% 0.0% 56 +28,404 86.91% Q1 2026 Apr 08, 2026
FLOW TRADERS U.S. LLC History New 55,521 94 0.0% 57 +55,521 New Q1 2026 May 15, 2026
CAPTRUST FINANCIAL ADVISORS History Added to 52,947 89 0.0% 0.0% 58 +952 1.83% Q1 2026 May 14, 2026
Graham Capital Management, L.P. History Reduced 51,592 87 0.0% 0.01% 59 -24,773 -32.44% Q1 2026 May 15, 2026
DEUTSCHE BANK AG\ History Reduced 50,271 84 0.0% 0.0% 60 -267,064 -84.16% Q1 2026 May 06, 2026
CANADA PENSION PLAN INVESTMENT BOARD History Added to 47,400 80 0.0% 0.0% 61 +11,900 33.52% Q1 2026 May 15, 2026
MERCER GLOBAL ADVISORS INC /ADV History Added to 37,742 63 0.0% 0.0% 62 +27,171 257.03% Q1 2026 May 15, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History Reduced 37,360 62 0.0% 0.02% 63 -10,115 -21.31% Q1 2026 May 01, 2026
AlphaCentric Advisors LLC History Added to 37,120 62 0.06% 0.18% 64 +2,208 6.32% Q1 2026 May 07, 2026
Essential Partners LLC History Added to 35,893 60 0.02% 0.06% 65 +705 2.0% Q1 2026 May 21, 2026
FIRST MANHATTAN CO. LLC. History No change 34,745 58 0.0% 0.0% 66 0 0.0% Q1 2026 May 15, 2026
GROUP ONE TRADING LLC History Reduced 33,300 56 0.0% 0.0% 67 -178,549 -84.28% Q1 2026 May 13, 2026
CIBC Private Wealth Group LLC History No change 10,505 54 0.0% 0.0% 68 0 0.0% Q4 2025 Feb 12, 2026
Global Retirement Partners, LLC History No change 10,000 51 0.0% 0.0% 69 0 0.0% Q4 2025 Feb 06, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 29,815 50 0.0% 0.0% 70 -233,592 -88.68% Q1 2026 May 12, 2026
Creative Planning History Reduced 28,871 48 0.0% 0.0% 71 -5,650 -16.37% Q1 2026 May 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 25,815 43 0.0% 0.0% 72 +612 2.43% Q1 2026 May 15, 2026
Providence Wealth Advisors, LLC History No change 25,000 43 0.03% 0.06% 73 0 0.0% Q1 2026 May 05, 2026
LPL Financial LLC History Reduced 23,416 39 0.0% 0.0% 74 -11,500 -32.94% Q1 2026 May 06, 2026
JPMORGAN CHASE & CO History Added to 23,158 38 0.0% 0.0% 75 +1,169 5.32% Q1 2026 May 13, 2026
Focus Partners Wealth History New 22,098 37 0.0% 76 +22,098 New Q1 2026 May 14, 2026
Nuveen, LLC History Reduced 21,266 35 0.0% 0.0% 77 -86,954 -80.35% Q1 2026 Apr 30, 2026
Hikari Power Ltd History No change 20,020 34 0.0% 0.01% 78 0 0.0% Q1 2026 Apr 29, 2026
Merit Financial Group, LLC History New 19,679 33 0.0% 80 +19,679 New Q1 2026 Apr 15, 2026
Chicago Partners Investment Group LLC History New 19,523 33 0.0% 79 +19,523 New Q1 2026 May 04, 2026
Police & Firemen's Retirement System of New Jersey History Added to 18,181 30 0.0% 0.0% 82 +7,460 69.58% Q1 2026 Apr 29, 2026
Federation des caisses Desjardins du Quebec History Added to 18,106 30 0.0% 0.0% 81 +5,919 48.57% Q1 2026 May 13, 2026
Vanguard Global Advisers, LLC History New 17,687 29 0.0% 84 +17,687 New Q1 2026 May 08, 2026
LETKO, BROSSEAU & ASSOCIATES INC History No change 17,300 29 0.0% 0.0% 83 0 0.0% Q1 2026 May 12, 2026
Focus Partners Advisor Solutions, LLC History Added to 17,026 28 0.0% 0.0% 85 +6,491 61.61% Q1 2026 May 13, 2026
FMR LLC History Added to 16,503 27 0.0% 0.0% 86 +9,538 136.94% Q1 2026 May 15, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Reduced 16,155 27 0.0% 0.0% 87 -866 -5.09% Q1 2026 May 15, 2026
Krilogy Financial LLC History New 14,459 26 0.0% 89 +14,459 New Q1 2026 Apr 17, 2026
U.S. Capital Wealth Advisors, LLC History Added to 15,805 26 0.0% 0.0% 88 +1,000 6.75% Q1 2026 Apr 07, 2026
Abel Hall, LLC History New 15,142 25 0.01% 92 +15,142 New Q1 2026 Apr 28, 2026
Integrated Wealth Concepts LLC History New 14,958 25 0.0% 91 +14,958 New Q1 2026 May 15, 2026
Capital Advisors Wealth Management, LLC History Reduced 15,000 25 0.0% 0.01% 90 -800 -5.06% Q1 2026 Apr 08, 2026
INTECH INVESTMENT MANAGEMENT LLC History Reduced 14,754 24 0.0% 0.0% 93 -18,574 -55.73% Q1 2026 May 08, 2026
CIBC Bancorp USA Inc. History New 13,237 22 0.0% 94 +13,237 New Q1 2026 May 12, 2026
King Wealth Management Group History Added to 11,900 20 0.0% 0.01% 95 +1,100 10.19% Q1 2026 May 04, 2026
Caerus Investment Advisors, LLC History New 11,455 19 0.01% 97 +11,455 New Q1 2026 Jun 01, 2026
Tower Research Capital LLC (TRC) History Added to 11,325 19 0.0% 0.0% 96 +6,320 126.27% Q1 2026 May 15, 2026
BARCLAYS PLC History Reduced 9,906 16 0.0% 0.0% 98 -74,565 -88.27% Q1 2026 May 14, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 9,598 16 0.0% 0.0% 99 0 0.0% Q1 2026 May 06, 2026
INSPIRION WEALTH ADVISORS, LLC History No change 10,000 16 0.0% 0.01% 100 0 0.0% Q1 2026 Apr 08, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Added to 4,825 8 0.0% 0.0% 102 +3,933 440.92% Q1 2026 May 13, 2026
Legal & General Group Plc History Reduced 4,940 8 0.0% 0.0% 101 -705 -12.49% Q1 2026 May 08, 2026
NISA INVESTMENT ADVISORS, LLC History Added to 4,600 7 0.0% 103 +4,503 4642.27% Q1 2026 Apr 30, 2026
Optiver Holding B.V. History Added to 4,566 7 0.0% 0.0% 105 +3,586 365.92% Q1 2026 Jun 02, 2026
Farther Finance Advisors, LLC History Added to 4,450 7 0.0% 0.0% 106 +495 12.52% Q1 2026 Apr 07, 2026
EverSource Wealth Advisors, LLC History Reduced 4,216 7 0.0% 0.0% 104 -413 -8.92% Q1 2026 May 15, 2026
Quantbot Technologies LP History New 3,795 6 0.0% 109 +3,795 New Q1 2026 May 13, 2026
Ameritas Investment Partners, Inc. History No change 3,846 6 0.0% 0.0% 107 0 0.0% Q1 2026 May 13, 2026
Activest Wealth Management History No change 4,000 6 0.0% 0.0% 108 0 0.0% Q1 2026 Apr 15, 2026
MAI Capital Management History Added to 3,208 5 0.0% 111 +3,179 10962.07% Q1 2026 May 15, 2026
FEDERATED HERMES, INC. History New 2,962 5 0.0% 112 +2,962 New Q1 2026 May 11, 2026
CITIGROUP INC History Added to 3,111 5 0.0% 0.0% 110 +1,556 100.06% Q1 2026 May 11, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 2,937 4 0.0% 0.0% 113 -404 -12.09% Q1 2026 May 15, 2026
Allworth Financial LP History Added to 2,085 3 0.0% 0.0% 114 +827 65.74% Q1 2026 May 14, 2026
ROYAL BANK OF CANADA History Reduced 1,368 2 0.0% 0.0% 115 -1,385 -50.31% Q1 2026 May 15, 2026
IFP Advisors, Inc History Reduced 1,442 2 0.0% 0.0% 116 -1 -0.07% Q1 2026 Apr 13, 2026
GAMMA Investing LLC History Added to 1,117 1 0.0% 0.0% 118 +820 276.09% Q1 2026 Apr 06, 2026
Sterling Capital Management LLC History Reduced 621 1 0.0% 0.0% 117 -363 -36.89% Q1 2026 Apr 22, 2026
PERCEPTIVE ADVISORS LLC History Closed out 0 0 0.39% -4,185,632 -100.0% Q1 2026 May 29, 2026
1492 Capital Management LLC History Closed out 0 0 0.44% -223,317 -100.0% Q1 2026 Apr 22, 2026
Point72 Asset Management, L.P. History Closed out 0 0 0.0% -94,094 -100.0% Q1 2026 May 15, 2026
STATE OF WISCONSIN INVESTMENT BOARD History Closed out 0 0 0.0% -81,366 -100.0% Q1 2026 May 15, 2026
Quantinno Capital Management LP History Closed out 0 0 0.0% -45,988 -100.0% Q1 2026 May 15, 2026
ACT CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.17% -41,000 -100.0% Q1 2026 May 08, 2026
AMERIPRISE FINANCIAL INC History Closed out 0 0 0.0% -35,304 -100.0% Q1 2026 May 15, 2026
SEI INVESTMENTS CO History Closed out 0 0 0.0% -33,287 -100.0% Q1 2026 May 13, 2026
AMERICAN CENTURY COMPANIES INC History Closed out 0 0 0.0% -32,460 -100.0% Q1 2026 May 15, 2026
MetLife Investment Management, LLC History Closed out 0 0 0.0% -29,531 -100.0% Q1 2026 May 14, 2026
AXQ CAPITAL, LP History Closed out 0 0 0.03% -26,810 -100.0% Q1 2026 May 13, 2026
Joseph P. Lucia & Associates, LLC History Closed out 0 0 0.05% -26,732 -100.0% Q1 2026 May 14, 2026
Jump Financial, LLC History Closed out 0 0 0.0% -24,480 -100.0% Q1 2026 May 14, 2026
Connor, Clark & Lunn Investment Management Ltd. History Closed out 0 0 0.0% -23,858 -100.0% Q1 2026 May 11, 2026
TUDOR INVESTMENT CORP ET AL History Closed out 0 0 0.0% -19,000 -100.0% Q1 2026 May 15, 2026
Walleye Capital LLC History Closed out 0 0 0.0% -18,595 -100.0% Q1 2026 May 13, 2026
Pallas Capital Advisors LLC History Closed out 0 0 0.0% -17,338 -100.0% Q1 2026 Apr 21, 2026
PFG Investments, LLC History Closed out 0 0 0.0% -15,500 -100.0% Q1 2026 Apr 27, 2026
JONES FINANCIAL COMPANIES LLLP History Closed out 0 0 0.0% -15,000 -100.0% Q1 2026 May 15, 2026
Regal Investment Advisors LLC History Closed out 0 0 0.0% -13,565 -100.0% Q1 2026 May 14, 2026
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Closed out 0 0 0.0% -13,388 -100.0% Q1 2026 May 14, 2026
SG Americas Securities, LLC History Closed out 0 0 0.0% -12,000 -100.0% Q1 2026 Apr 16, 2026
VOYA INVESTMENT MANAGEMENT LLC History Closed out 0 0 0.0% -10,066 -100.0% Q1 2026 May 12, 2026
Clearstead Advisors, LLC History Closed out 0 0 0.0% -10,007 -100.0% Q1 2026 May 06, 2026
Washington Trust Advisors, Inc. History Closed out 0 0 0.0% -2,800 -100.0% Q1 2026 Apr 06, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -1,705 -100.0% Q1 2026 May 08, 2026
Arax Advisory Partners History Added to 476 0 +469 6700.0% Q1 2026 May 13, 2026
Root Financial Partners, LLC History New 449 0 +449 New Q1 2026 Apr 24, 2026
SJS Investment Consulting Inc. History Added to 284 0 +270 1928.57% Q1 2026 Apr 23, 2026
ROTHSCHILD INVESTMENT LLC History Added to 360 0 +235 188.0% Q1 2026 May 07, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 369 0 0.0% -177 -32.42% Q1 2026 May 08, 2026
Versant Capital Management, Inc History New 139 0 +139 New Q1 2026 Apr 06, 2026
OSAIC HOLDINGS, INC. History Closed out 0 0 -40 -100.0% Q1 2026 May 15, 2026
True Wealth Design, LLC History Reduced 158 0 -16 -9.2% Q1 2026 Apr 13, 2026
JPL Wealth Management, LLC History New 14 0 +14 New Q1 2026 May 08, 2026
QUADRANT CAPITAL GROUP LLC History No change 185 0 0 0.0% Q1 2026 May 13, 2026
Truvestments Capital LLC History No change 265 0 0.0% 0 0.0% Q1 2026 May 13, 2026
HighMark Wealth Management LLC History No change 155 0 0 0.0% Q1 2026 May 05, 2026
SBI Securities Co., Ltd. History No change 263 0 0.0% 0 0.0% Q1 2026 Apr 27, 2026
TD Waterhouse Canada Inc. History No change 15 0 0 0.0% Q1 2026 May 12, 2026