aTYR PHARMA INC
ATYR- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001339970
No open-market purchases or sales by aTYR PHARMA INC insiders were filed in the last 90 days; 89 institutions reported holding it in 13F filings for Q2 2026, worth $23.2M in total; no superinvestor holds it.
Q1 2023 vs. Q4 2022
How the institutions holding aTYR PHARMA INC changed between Q4 2022 and Q1 2023.
All holders in Q1 2023All holders in Q4 2022
| Measure | Q4 2022 | Of which not filed for Q1 2023 | Q1 2023 | Change |
|---|---|---|---|---|
| Holders | 36 | 1 | 37 | +2 |
| Shares | 18.4M | 624.0K | 34.7M | +16.9M (+95.5%) |
| Value | $40.2M | $1.37M | $72.8M | +$34.0M (+87.5%) |
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so the changes leave them out.
New holders (12)
Institutions that held aTYR PHARMA INC at the end of Q1 2023 but not at the end of Q4 2022.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Stonepine Capital Management, LLC | 4,825,722 | $10.1M | 3.40% |
| Samsara BioCapital, LLC | 1,750,000 | $3.67M | 0.76% |
| CVI Holdings, LLC | 588,571 | $1.24M | 0.47% |
| Boothbay Fund Management, LLC | 80,000 | $168.0K | 0.00% |
| Salem Investment Counselors Inc | 40,000 | $84.0K | 0.00% |
| Bank of New York Mellon Corp | 35,868 | $75.3K | 0.00% |
| Squarepoint Ops LLC | 12,174 | $25.6K | 0.00% |
| Occudo Quantitative Strategies LP | 11,922 | $25.0K | 0.00% |
| Morgan Stanley | 2,284 | $4.80K | 0.00% |
| UBS Group AG | 1,000 | $2.10K | 0.00% |
| Clearview Wealth Advisors LLC | 500 | $1.05K | 0.00% |
| Raleigh Capital Management Inc. | 13 | $27 | 0.00% |
Sold out (10)
Institutions that held aTYR PHARMA INC at the end of Q4 2022 and filed for Q1 2023 without it.
| Institution | Shares, Q4 2022 | Value, Q4 2022 |
|---|---|---|
| VR Adviser, LLC | 1,171,436 | $2.57M |
| Walleye Capital LLC | 750,000 | $1.64M |
| Citigroup Inc | 428,460 | $938.3K |
| Millennium Management LLC | 68,106 | $149.0K |
| Acadian Asset Management LLC | 26,419 | $57.0K |
| Wolverine Trading, LLC | 22,685 | $50.0K |
| Simplex Trading, LLC | 12,214 | $26.0K |
| Baker Bros. Advisors LP | 8,565 | $18.8K |
| RE Dickinson Investment Advisors, LLC | 300 | $1.00K |
| Bank of America Corp | 64 | $140 |
Not filed for Q1 2023 yet (1)
Institutions that held aTYR PHARMA INC at the end of Q4 2022 and haven't filed a 13F for Q1 2023. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2022 | Value, Q4 2022 |
|---|---|---|
| Telemetry Investments, L.L.C. | 624,000 | $1.37M |