aTYR PHARMA INC ATYR
CIK 0001339970 · CUSIP 002120202
Quarter-end disclosures, not live holdings.
Top 20 institutions
Weight means this stock's share of the manager's own portfolio.
| # | Manager | Value | Manager weight | Change vs prior | Source | |
|---|---|---|---|---|---|---|
| 01 | FEDERATED HERMES, INC. CIK 1056288 · View history | $19.83M 10,169,600 shares | 0.05% | 0(0.0%)Unchanged | SEC filing ↗ May 14, 2024 | ▾ |
| 02 | FMR LLC CIK 315066 · View history | $17.40M 8,923,210 shares | 0.00% | +139.20K(+1.6%)Added | SEC filing ↗ May 13, 2024 | ▾ |
| 03 | Logos Global Management LP CIK 1792126 · View history | $6.04M 3,100,000 shares | 0.64% | -2.75M(-47.0%)Reduced | SEC filing ↗ May 15, 2024 | ▾ |
| 04 | VANGUARD GROUP INC CIK 102909 · View history | $5.17M 2,652,157 shares | 0.00% | +283.70K(+12.0%)Added | SEC filing ↗ May 10, 2024 | ▾ |
| 05 | Tikvah Management LLC CIK 1606477 · View history | $4.80M 2,460,833 shares | 1.50% | 0(0.0%)Unchanged | SEC filing ↗ May 15, 2024 | ▾ |
| 06 | CITADEL ADVISORS LLC CIK 1423053 · View history | $3.71M 1,903,346 shares | 0.00% | +149.75K(+8.5%)Added | SEC filing ↗ May 15, 2024 | ▾ |
| 07 | Woodline Partners LP CIK 1784547 · View history | $3.28M 1,681,279 shares | 0.03% | +1.68MNew | SEC filing ↗ May 15, 2024 | ▾ |
| 08 | Alyeska Investment Group, L.P. CIK 1453072 · View history | $2.94M 1,505,555 shares | 0.02% | -950.00K(-38.7%)Reduced | SEC filing ↗ May 15, 2024 | ▾ |
| 09 | Checkpoint Capital L.P. CIK 1977548 · View history | $2.82M 1,446,477 shares | 1.89% | -57.08K(-3.8%)Reduced | SEC filing ↗ May 15, 2024 | ▾ |
| 10 | BlackRock Inc. CIK 1364742 · View history | $2.66M 1,364,880 shares | 0.00% | +2.52K(+0.2%)Added | SEC filing ↗ May 10, 2024 | ▾ |
| 11 | RENAISSANCE TECHNOLOGIES LLC CIK 1037389 · View history | $2.48M 1,272,855 shares | 0.00% | +394.88K(+45.0%)Added | SEC filing ↗ May 13, 2024 | ▾ |
| 12 | Octagon Capital Advisors LP CIK 1839435 · View history | $1.36M 700,000 shares | 0.17% | +700.00KNew | SEC filing ↗ May 15, 2024 | ▾ |
| 13 | BARCLAYS PLC CIK 312069 · Amended · View history | $1.18M 604,299 shares | 0.00% | +525.33K(+665.2%)Added | SEC filing ↗ Mar 24, 2026 | ▾ |
| 14 | Ghost Tree Capital, LLC CIK 1595851 · View history | $1.17M 600,000 shares | 0.38% | +600.00KNew | SEC filing ↗ May 15, 2024 | ▾ |
| 15 | GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history | $1.16M 595,111 shares | 0.00% | +8.11K(+1.4%)Added | SEC filing ↗ May 13, 2024 | ▾ |
| 16 | TANG CAPITAL MANAGEMENT LLC CIK 1232621 · View history | $918.71K 471,134 shares | 0.10% | 0(0.0%)Unchanged | SEC filing ↗ May 15, 2024 | ▾ |
| 17 | GSA CAPITAL PARTNERS LLP CIK 1362033 · View history | $437.00K 224,147 shares | 0.03% | +114.98K(+105.3%)Added | SEC filing ↗ May 3, 2024 | ▾ |
| 18 | GOLDMAN SACHS GROUP INC CIK 886982 · View history | $423.60K 217,233 shares | 0.00% | +73.66K(+51.3%)Added | SEC filing ↗ May 15, 2024 | ▾ |
| 19 | DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history | $383.65K 196,744 shares | 0.00% | +54.50K(+38.3%)Added | SEC filing ↗ May 10, 2024 | ▾ |
| 20 | STATE STREET CORP CIK 93751 · View history | $325.28K 166,808 shares | 0.00% | 0(0.0%)Unchanged | SEC filing ↗ May 15, 2024 | ▾ |
Showing 20 / 57 institutions. The complete set is available through the API.
Coverage & totals by quarter
Reporting institutions by quarter
Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.
Explore all 57 reporting institutions.
This page includes 20 of 57 reporting institutions. Sign in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.
- Download CSV
- Earlier quarters
- Advanced screening & filtering
- API & AI access
+ New accounts get free API credits to explore data beyond ownership filings.
For AI agents & developers
The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. This page lists 20 of 57 reporting institutions; totals use the complete disclosed data.
Without an account: the last 3 years, with the row caps stated on the page. A free account opens all history on file on these pages and the CSV of what a page shows. Rows beyond the caps and bulk retrieval go through the authenticated API / MCP.
MCP https://api.akkrudata.ai/mcp
get_institutional_security_holders
{"cusip":"002120202","quarter":"2024Q1","type":"positions","page_size":100}Connect to MCP with OAuth and follow the returned pagination. Credits and usage limits depend on the account.
- MCP endpoint
- https://api.akkrudata.ai/mcp
- API / MCP documentation
- /documents
- llms.txt
- /llms.txt
Sources, coverage & how to read this data
Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.