Atyr PharmaATYR

13F holders, Q2 2026 (June 30)
89holders −22
15new positions
35sold out
5famous investors
$0.60avg. 13F price*

At the end of Q2 2026, 89 institutions reported holding Atyr Pharma Inc. (ATYR) in their 13F filings, down 22 from Q1 2026. 15 opened new positions and 35 sold out. The largest holders were Federated Hermes, Inc. ($5.1M), Vanguard Capital Management LLC ($2.3M) and Gsa Capital Partners LLP ($2.1M). 5 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Atyr Pharma Inc.
CUSIP
002120202
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 56Q1 2024Q2 2024: 47Q2 2024Q3 2024: 56Q3 2024Q4 2024: 77Q4 2024Q1 2025: 87Q1 2025Q2 2025: 110Q2 2025Q3 2025: 103Q3 2025Q4 2025: 84Q4 2025Q1 2026: 111Q1 2026Q2 2026: 89Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions15$1.4M
Exits35$1.5M

All 13F filers, Q1 2026 → Q2 2026: 10,492,859 shares bought and 27,660,444 shares sold, net −17,167,585 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 89 holders

Federated Hermes, Inc. 0.01% Reduce -19.0% 8,509,678 $5.1M
Vanguard Capital Management LLC 0.00% Reduce -0.1% 3,808,091 $2.3M
Gsa Capital Partners LLP 0.13% Add +105.1% 3,454,863 $2.1M
AQR Capital Management 0.00% Add +426.3% 2,610,548 $1.6M
FMR LLC 0.00% Reduce -83.2% 2,471,418 $1.5M
BlackRock, Inc. 0.00% Reduce -71.6% 1,827,332 $1.1M
Kalehua Capital Management LLC 0.61% New 1,788,167 $1.1M
Jane Street Group, LLC 0.00% Add +3448.9% 1,721,297 $1.0M
UBS Group AG 0.00% Reduce -60.4% 1,531,151 $914K
Morgan Stanley 0.00% Add +9.6% 1,343,636 $802K
Two Sigma Investments, LP 0.00% Add +8.8% 1,245,147 $743K
Citadel Advisors 0.00% Add +2521.9% 1,242,067 $741K
Geode Capital Management, LLC 0.00% Reduce -50.7% 1,177,020 $703K
Susquehanna International Group, LLP 0.00% Reduce -13.8% 747,039 $446K
Millennium Management 0.00% Reduce -60.0% 656,051 $392K
Goldman Sachs Group Inc. 0.00% Add +126.4% 641,208 $383K
Vanguard Fiduciary Trust Co. 0.00% Reduce -11.6% 576,125 $344K
State Street Corp. 0.00% Reduce -71.8% 494,951 $295K
Marshall Wace, LLP 0.00% Add +166.5% 368,120 $221K
XTX Topco Ltd 0.00% Add +103.4% 226,678 $135K
Northern Trust Corp. 0.00% Reduce -69.0% 220,141 $131K
Bank of America Corp. 0.00% Reduce -31.6% 207,468 $124K
Renaissance Technologies 0.00% Add +307.7% 165,222 $99K
JPMorgan Chase & Co. 0.00% Add +258.8% 150,666 $85K
Group One Trading LLC 0.00% Reduce -24.5% 138,878 $83K
Qube Research & Technologies Ltd 0.00% New 126,996 $76K
HRT Financial LP 0.00% New 126,681 $75K
Dimensional Fund Advisors LP 0.00% Reduce -1.1% 90,861 $54K
HSBC Holdings PLC 0.00% Add +263.4% 66,185 $38K
Mariner, LLC 0.00% New 58,658 $35K
Hohimer Wealth Management, LLC 0.00% Reduce -45.0% 55,000 $33K
Mercer Global Advisors Inc. 0.00% Add +252.1% 53,531 $32K
Kingswood Wealth Advisors, LLC 0.00% No change 52,000 $31K
Schonfeld Strategic Advisors LLC 0.00% New 50,880 $30K
ADAR1 Capital Management, LLC 0.00% No change 50,685 $30K
Alpha Wealth Funds, LLC 0.02% New 50,000 $30K
Tower Research Capital LLC (TRC) 0.00% Add +179.9% 48,768 $29K
Virtu Financial LLC 0.00% Add +17.2% 46,921 $28K
Creative Planning 0.00% Add +295.8% 41,593 $25K
Wealth Enhancement Advisory Services, LLC 0.00% Add +182.1% 43,948 $24K
Point72 Asset Management 0.00% New 37,278 $22K
Hobbs Group Advisors, LLC 0.01% Add +85.3% 35,992 $21K
LPL Financial LLC 0.00% No change 35,549 $21K
Captrust Financial Advisors 0.00% Add +112.4% 33,946 $20K
Vanguard Global Advisers, LLC 0.00% No change 33,414 $20K
Barclays PLC 0.00% Reduce -31.2% 31,029 $19K
Rhumbline Advisers 0.00% Reduce -70.5% 30,412 $18K
Cerity Partners LLC 0.00% New 29,232 $17K
Rockefeller Capital Management L.P. 0.00% No change 28,118 $17K
BNP Paribas Financial Markets 0.00% Reduce -0.9% 25,055 $15K
Balyasny Asset Management L.P. 0.00% Add +122.8% 23,015 $14K
Y-Intercept (Hong Kong) Ltd 0.00% New 22,373 $13K
Abel Hall, LLC 0.00% New 22,117 $13K
Steward Partners Investment Advisory, LLC 0.00% Add +18.1% 19,600 $12K
MAI Capital Management 0.00% Add +24.8% 16,846 $10K
Raymond James Financial Inc. 0.00% Add +1.2% 16,801 $10K
Trust Co. of Toledo NA 0.00% No change 16,640 $10K
Arax Advisory Partners 0.00% New 16,557 $10K
Vanguard Personalized Indexing Management, LLC 0.00% Reduce -10.6% 14,899 $9K
TrinityBridge Ltd 0.00% Reduce -24.1% 12,300 $7K
Brighton Jones LLC 0.00% New 11,458 $7K
Gladstone Institutional Advisory LLC 0.00% No change 11,300 $7K
Wells Fargo & Company 0.00% Reduce -86.0% 6,500 $4K
Royal Bank of Canada 0.00% Reduce -46.2% 5,996 $3K
Allworth Financial LP 0.00% Add +887.7% 3,615 $2K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% No change 2,011 $1K
Ares Financial Consulting, LLC 0.00% No change 2,000 $1K
NFSG Corp 0.00% Reduce -4.8% 1,979 $1K
Vision Retirement, LLC 0.00% No change 1,500 $895
MCF Advisors LLC 0.00% Add +250.0% 1,400 $836
Jones Financial Companies LLLP 0.00% No change 1,500 $791
PNC Financial Services Group, Inc. 0.00% Reduce -84.4% 1,276 $762
EverSource Wealth Advisors, LLC 0.00% Add +176.9% 1,149 $685
Citigroup Inc. 0.00% Reduce -84.7% 900 $537
Rothschild Investment LLC 0.00% Add +208.4% 885 $528
Clearstead Advisors, LLC 0.00% New 861 $515
Essential Partners LLC 0.00% Reduce -49.6% 815 $486
GAMMA Investing LLC 0.00% Reduce -91.5% 659 $393
True Wealth Design, LLC 0.00% Add +544.4% 464 $277
Farther Finance Advisors, LLC 0.00% Reduce -71.8% 372 $222
SJS Investment Consulting Inc. 0.00% Add +395.2% 208 $125
Larson Financial Group LLC 0.00% No change 150 $90
IFP Advisors, Inc 0.00% Reduce -97.6% 143 $85
Caldwell Sutter Capital, Inc. 0.00% No change 52 $31
IFG Advisory, LLC 0.00% New 50 $30
Northwestern Mutual Wealth Management Co. 0.00% New 25 $15
Nisa Investment Advisors, LLC 0.00% Reduce -99.2% 8 $5
Caitong International Asset Management Co., Ltd 0.00% No change 1 $1
FNY Investment Advisers, LLC 0.00% No change 1,500 $0

"% of holder's portfolio" is ATYR's weight in each manager's 13F, not the share of Atyr Pharma Inc. the manager owns.