aTYR PHARMA INC - ATYR

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
FMR LLC History Added to 14,706,843 11,471 0.0% 0.0% 1 +8,848 0.06% Q1 2026 May 15, 2026
FEDERATED HERMES, INC. History No change 10,509,678 8,197 0.01% 0.01% 2 0 0.0% Q1 2026 May 11, 2026
BlackRock, Inc. History Reduced 6,443,904 5,026 0.0% 0.0% 3 -105,795 -1.62% Q1 2026 May 13, 2026
VANGUARD GROUP INC History No change 4,961,871 3,885 0.0% 0.0% 4 0 0.0% Q4 2025 Jan 29, 2026
UBS Group AG History Added to 3,867,213 3,016 0.0% 0.0% 5 +2,241,916 137.94% Q1 2026 May 05, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 3,812,132 2,973 0.0% 6 +3,812,132 New Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 2,385,485 1,861 0.0% 0.0% 7 +101,768 4.46% Q1 2026 May 15, 2026
STATE STREET CORP History Added to 1,754,399 1,368 0.0% 0.0% 8 +29,556 1.71% Q1 2026 May 15, 2026
GSA CAPITAL PARTNERS LLP History Reduced 1,684,586 1,314 0.08% 0.18% 9 -946,052 -35.96% Q1 2026 May 08, 2026
MILLENNIUM MANAGEMENT LLC History New 1,641,246 1,280 0.0% 10 +1,641,246 New Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 1,225,467 955 0.0% 0.0% 11 -177,542 -12.65% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Added to 1,144,565 892 0.0% 0.0% 12 +690,122 151.86% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 1,132,344 883 0.0% 0.0% 13 +43,001 3.95% Q1 2026 May 15, 2026
TWO SIGMA ADVISERS, LP History No change 841,350 658 0.0% 0.0% 14 0 0.0% Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Added to 711,105 554 0.0% 0.0% 15 +8,919 1.27% Q1 2026 May 14, 2026
VANGUARD FIDUCIARY TRUST CO History New 651,832 508 0.0% 16 +651,832 New Q1 2026 May 08, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 569,227 443 0.0% 17 +569,227 New Q1 2026 May 08, 2026
JANE STREET GROUP, LLC History Reduced 501,402 391 0.0% 0.0% 18 -21,947 -4.19% Q1 2026 May 12, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 496,018 386 0.0% 0.0% 19 -273,802 -35.57% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Added to 303,559 236 0.0% 0.0% 20 +176,859 139.59% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History Reduced 283,236 220 0.0% 0.0% 21 -62,351 -18.04% Q1 2026 May 15, 2026
Nuveen, LLC History Added to 229,284 178 0.0% 0.0% 22 +1,343 0.59% Q1 2026 Apr 30, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 210,737 164 0.0% 0.0% 23 -11,030 -4.97% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History Reduced 203,372 158 0.0% 0.0% 24 -177,628 -46.62% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Reduced 193,531 150 0.0% 0.0% 25 -1 -0.0% Q1 2026 May 05, 2026
GROUP ONE TRADING LLC History Reduced 184,014 143 0.0% 0.0% 26 -7,034 -3.68% Q1 2026 May 13, 2026
MARSHALL WACE, LLP History New 138,118 107 0.0% 27 +138,118 New Q1 2026 May 14, 2026
XTX Topco Ltd History Added to 111,423 86 0.0% 0.0% 28 +32,058 40.39% Q1 2026 May 15, 2026
DEUTSCHE BANK AG\ History Reduced 103,326 80 0.0% 0.0% 29 -17,015 -14.14% Q1 2026 May 06, 2026
RHUMBLINE ADVISERS History Added to 103,146 80 0.0% 0.0% 30 +3,384 3.39% Q1 2026 May 12, 2026
HOHIMER WEALTH MANAGEMENT, LLC History New 100,000 78 0.01% 31 +100,000 New Q1 2026 Apr 30, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 91,871 71 0.0% 0.0% 32 -5,626 -5.77% Q1 2026 May 07, 2026
VICTORY CAPITAL MANAGEMENT INC History Reduced 88,436 68 0.0% 0.0% 33 -93,530 -51.4% Q1 2026 May 15, 2026
ALLIANCEBERNSTEIN L.P. History No change 64,480 50 0.0% 0.0% 34 0 0.0% Q1 2026 May 15, 2026
KINGSWOOD WEALTH ADVISORS, LLC History No change 52,000 40 0.0% 0.0% 35 0 0.0% Q1 2026 Apr 28, 2026
ADAR1 Capital Management, LLC History No change 50,685 39 0.0% 0.0% 36 0 0.0% Q1 2026 May 15, 2026
Redhawk Wealth Advisors, Inc. History New 49,150 38 0.0% 37 +49,150 New Q1 2026 Apr 15, 2026
WELLS FARGO & COMPANY/MN History Reduced 46,540 36 0.0% 0.0% 38 -70,177 -60.13% Q1 2026 May 11, 2026
Invesco Ltd. History Added to 46,354 36 0.0% 0.0% 40 +121 0.26% Q1 2026 May 12, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 46,126 36 0.0% 0.0% 39 0 0.0% Q1 2026 May 15, 2026
BARCLAYS PLC History Reduced 45,123 35 0.0% 0.0% 41 -129,059 -74.09% Q1 2026 May 14, 2026
Belpointe Asset Management LLC History Added to 45,738 35 0.0% 0.0% 43 +35,300 338.19% Q1 2026 Apr 28, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 46,073 35 0.0% 0.0% 42 +4,229 10.11% Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History New 40,522 31 0.0% 45 +40,522 New Q1 2026 May 14, 2026
Virtu Financial LLC History Reduced 40,048 31 0.0% 0.0% 44 -38,905 -49.28% Q1 2026 May 14, 2026
JPMORGAN CHASE & CO History Reduced 41,987 30 0.0% 0.0% 46 -68,386 -61.96% Q1 2026 May 13, 2026
CWM, LLC History Added to 36,010 28 0.0% 0.0% 47 +28,032 351.37% Q1 2026 May 14, 2026
LPL Financial LLC History Added to 35,549 27 0.0% 0.0% 48 +5,449 18.1% Q1 2026 May 06, 2026
Vanguard Global Advisers, LLC History New 33,414 26 0.0% 50 +33,414 New Q1 2026 May 08, 2026
SEI INVESTMENTS CO History No change 33,829 26 0.0% 0.0% 49 0 0.0% Q1 2026 May 13, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 27,500 21 0.0% 0.0% 51 0 0.0% Q1 2026 May 06, 2026
Rockefeller Capital Management L.P. History No change 28,118 21 0.0% 0.0% 52 0 0.0% Q1 2026 May 14, 2026
INTECH INVESTMENT MANAGEMENT LLC History Reduced 26,187 20 0.0% 0.0% 53 -5,587 -17.58% Q1 2026 May 08, 2026
Police & Firemen's Retirement System of New Jersey History No change 26,081 20 0.0% 0.0% 54 0 0.0% Q1 2026 Apr 29, 2026
DIADEMA PARTNERS LP History Reduced 24,700 19 0.0% 0.0% 56 -2,600 -9.52% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 25,278 19 0.0% 0.0% 55 -1,240 -4.68% Q1 2026 May 12, 2026
Neuberger Berman Group LLC History Added to 21,743 16 0.0% 0.0% 57 +1,289 6.3% Q1 2026 May 14, 2026
Hobbs Group Advisors, LLC History New 19,419 15 0.0% 59 +19,419 New Q1 2026 May 20, 2026
RBF Capital, LLC History No change 20,000 15 0.0% 0.0% 58 0 0.0% Q1 2026 May 18, 2026
Vanguard Personalized Indexing Management, LLC History New 16,669 13 0.0% 64 +16,669 New Q1 2026 May 14, 2026
TrinityBridge Ltd History New 16,200 13 0.0% 63 +16,200 New Q1 2026 May 12, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History New 15,578 13 0.0% 62 +15,578 New Q1 2026 Apr 08, 2026
Tower Research Capital LLC (TRC) History Added to 17,426 13 0.0% 0.0% 61 +3,697 26.93% Q1 2026 May 15, 2026
HSBC HOLDINGS PLC History Added to 18,214 13 0.0% 0.0% 60 +2,078 12.88% Q1 2026 Apr 30, 2026
TRUST CO OF TOLEDO NA /OH/ History New 16,640 12 0.0% 66 +16,640 New Q1 2026 Apr 15, 2026
Steward Partners Investment Advisory, LLC History New 16,600 12 0.0% 68 +16,600 New Q1 2026 May 08, 2026
CAPTRUST FINANCIAL ADVISORS History New 15,982 12 0.0% 67 +15,982 New Q1 2026 May 14, 2026
RAYMOND JAMES FINANCIAL INC History Added to 16,601 12 0.0% 0.0% 65 +640 4.01% Q1 2026 May 14, 2026
MERCER GLOBAL ADVISORS INC /ADV History New 15,205 11 0.0% 69 +15,205 New Q1 2026 May 15, 2026
PRUDENTIAL FINANCIAL INC History New 14,660 11 0.0% 70 +14,660 New Q1 2026 May 13, 2026
ProShare Advisors LLC History Reduced 13,905 10 0.0% 0.0% 72 -3,619 -20.65% Q1 2026 Apr 24, 2026
MAI Capital Management History Reduced 13,504 10 0.0% 0.0% 71 -1,735 -11.39% Q1 2026 May 15, 2026
Pasadena Private Wealth, LLC History New 12,228 9 0.0% 76 +12,228 New Q1 2026 Apr 22, 2026
ROYAL BANK OF CANADA History Added to 11,146 9 0.0% 0.0% 73 +5,893 112.18% Q1 2026 May 15, 2026
Apollon Wealth Management, LLC History Reduced 11,900 9 0.0% 0.0% 75 -1,000 -7.75% Q1 2026 Apr 22, 2026
Crossmark Global Holdings, Inc. History No change 12,666 9 0.0% 0.0% 74 0 0.0% Q1 2026 May 11, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History New 10,552 8 0.0% 80 +10,552 New Q1 2026 May 15, 2026
Creative Planning History New 10,508 8 0.0% 82 +10,508 New Q1 2026 May 12, 2026
BALYASNY ASSET MANAGEMENT L.P. History New 10,330 8 0.0% 81 +10,330 New Q1 2026 May 15, 2026
VOYA INVESTMENT MANAGEMENT LLC History Reduced 10,338 8 0.0% 0.0% 77 -6,256 -37.7% Q1 2026 May 12, 2026
Russell Investments Group, Ltd. History Added to 11,361 8 0.0% 0.0% 78 +4,156 57.68% Q1 2026 May 08, 2026
Gladstone Institutional Advisory LLC History No change 11,300 8 0.0% 0.0% 79 0 0.0% Q1 2026 May 14, 2026
GAMMA Investing LLC History New 7,739 6 0.0% 86 +7,739 New Q1 2026 Apr 06, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 8,196 6 0.0% 83 +7,718 1614.64% Q1 2026 May 08, 2026
Legal & General Group Plc History Reduced 7,920 6 0.0% 0.0% 84 -1,650 -17.24% Q1 2026 May 08, 2026
Ameritas Investment Partners, Inc. History No change 8,881 6 0.0% 0.0% 85 0 0.0% Q1 2026 May 13, 2026
My Portfolio Guide, LLC History New 7,000 5 0.0% 88 +7,000 New Q1 2026 May 05, 2026
Persistent Asset Partners Ltd History New 55 5 0.0% 87 +55 New Q1 2026 May 12, 2026
IFP Advisors, Inc History New 6,001 4 0.0% 91 +6,001 New Q1 2026 Apr 13, 2026
CITIGROUP INC History Added to 5,891 4 0.0% 0.0% 89 +2,821 91.89% Q1 2026 May 11, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 5,190 4 0.0% 0.0% 90 -711 -12.05% Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History New 5,000 3 0.0% 92 +5,000 New Q1 2026 May 15, 2026
SIMPLEX TRADING, LLC History Reduced 1,335 1 0.0% 0.0% 94 -24,892 -94.91% Q1 2026 May 14, 2026
FNY Investment Advisers, LLC History Reduced 1,515 1 0.0% 0.0% 95 -3,333 -68.75% Q1 2026 Apr 15, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 2,011 1 0.0% 100 +2,011 New Q1 2026 May 13, 2026
Ares Financial Consulting, LLC History New 2,000 1 0.0% 102 +2,000 New Q1 2026 Apr 02, 2026
NFSG Corp History Reduced 2,079 1 0.0% 0.0% 96 -1,521 -42.25% Q1 2026 May 05, 2026
Essential Partners LLC History Added to 1,618 1 0.0% 99 +1,443 824.57% Q1 2026 May 21, 2026
TOTH FINANCIAL ADVISORY CORP History New 1,400 1 0.0% 101 +1,400 New Q1 2026 Apr 16, 2026
Farther Finance Advisors, LLC History Reduced 1,320 1 0.0% 0.0% 97 -905 -40.67% Q1 2026 Apr 07, 2026
JONES FINANCIAL COMPANIES LLLP History No change 1,500 1 0.0% 0.0% 93 0 0.0% Q1 2026 May 15, 2026
Vision Retirement, LLC History No change 1,500 1 0.0% 0.0% 98 0 0.0% Q1 2026 May 07, 2026
Rosalind Advisors, Inc. History Closed out 0 0 4.78% -1,039,080 -100.0% Q1 2026 May 14, 2026
Tikvah Management LLC History Closed out 0 0 0.1% -460,833 -100.0% Q1 2026 May 14, 2026
TWO SIGMA SECURITIES, LLC History Closed out 0 0 0.0% -39,006 -100.0% Q1 2026 May 15, 2026
SG Americas Securities, LLC History Closed out 0 0 0.0% -24,032 -100.0% Q1 2026 Apr 16, 2026
Dauntless Investment Group, LLC History Closed out 0 0 0.01% -14,000 -100.0% Q1 2026 May 14, 2026
R Squared Ltd History Closed out 0 0 0.0% -11,255 -100.0% Q1 2026 Apr 29, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -3,014 -100.0% Q1 2026 May 08, 2026
NISA INVESTMENT ADVISORS, LLC History New 974 0 +974 New Q1 2026 Apr 30, 2026
Allworth Financial LP History New 366 0 +366 New Q1 2026 May 14, 2026
NATIXIS History Closed out 0 0 -280 -100.0% Q1 2026 May 14, 2026
EverSource Wealth Advisors, LLC History Added to 415 0 +254 157.76% Q1 2026 May 15, 2026
Sterling Capital Management LLC History Reduced 742 0 -192 -20.56% Q1 2026 Apr 22, 2026
ROTHSCHILD INVESTMENT LLC History Added to 287 0 +178 163.3% Q1 2026 May 07, 2026
Wealth Preservation Advisors, LLC History New 157 0 +157 New Q1 2026 May 15, 2026
Caitong International Asset Management Co., Ltd History Reduced 1 0 -133 -99.25% Q1 2026 May 11, 2026
True Wealth Design, LLC History New 72 0 +72 New Q1 2026 Apr 13, 2026
SJS Investment Consulting Inc. History New 42 0 +42 New Q1 2026 Apr 23, 2026
Root Financial Partners, LLC History New 9 0 +9 New Q1 2026 Apr 24, 2026
CALDWELL SUTTER CAPITAL, INC. History No change 52 0 0 0.0% Q1 2026 May 05, 2026
MCF Advisors LLC History No change 400 0 0 0.0% Q1 2026 May 11, 2026
Larson Financial Group LLC History No change 150 0 0 0.0% Q1 2026 May 15, 2026