aTyr Pharma, Inc. (ATYR) Institutional Ownership & Insider Trading
90 institutions reported holding aTyr Pharma, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 6 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 16.2M
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 5 Nov, in 12 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters90 institutions held 41.4% of the shares. Across filers that reported both quarters, shares held changed -27.5%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 90 | 41 | -27.5% | 28 | 14 | 28 | 33 |
| Mar 26 | 111 | 56 | +6.2% | 23 | 30 | 31 | 6 |
| Dec 25 | 79 | 54 | -10.7% | 22 | 14 | 24 | 32 |
| Sep 25 | 99 | 61 | -8.2% | 29 | 27 | 25 | 37 |
| Jun 25 | 108 | 66 | +7.4% | 24 | 49 | 24 | 28 |
| Mar 25 | 86 | 62 | +12.5% | 35 | 25 | 12 | 15 |
| Dec 24 | 77 | 55 | +16.5% | 24 | 27 | 11 | 7 |
| Sep 24 | 55 | 48 | -6.6% | 14 | 13 | 13 | 4 |
aTyr Pharma, Inc. — questions
- Who owns aTyr Pharma, Inc. stock?
- 90 institutions reported aTyr Pharma, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: FEDERATED HERMES, INC. (8.7%), VANGUARD CAPITAL MANAGEMENT LLC (3.9%), Kalehua Capital Management LLC (3.6%).
- Are aTyr Pharma, Inc. insiders buying or selling?
- 6 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from aTyr Pharma, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.