# ATYR PHARMA INC COM NEW

ATYR PHARMA INC COM NEW is a security (CUSIP 002120202) tracked across SEC portfolio filings. 106 institutional managers reported $43.4M on Form 13F as of 2026-06-30; 9 registered fund positions totaling $3.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ATYR PHARMA INC
- Class: COM NEW
- CUSIP: 002120202
- Asset category: EC
- 13F holders: 106
- 13F value: $43.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 9
- N-PORT value: $3.6M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 106 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| FMR LLC | BOSTON, MA | $11.5M | 14,706,843 |
| FEDERATED HERMES, INC. | Pittsburgh, PA | $8.2M | 10,509,678 |
| BlackRock, Inc. | New York, NY | $5.0M | 6,443,904 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $3.9M | 4,961,871 |
| UBS Group AG | Zurich, V8 | $3.0M | 3,867,213 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $1.9M | 2,385,485 |
| STATE STREET CORP | BOSTON, MA | $1.4M | 1,754,399 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $1.3M | 1,641,246 |
| MORGAN STANLEY | NEW YORK, NY | $956K | 1,225,467 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $893K | 1,144,565 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $883K | 866,744 |
| NORTHERN TRUST CORP | CHICAGO, IL | $555K | 711,105 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $391K | 48,502 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $387K | 496,018 |
| WOLVERINE TRADING, LLC | CHICAGO, IL | $317K | 54,026 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $2.3M | 0.23% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $785K | 0.10% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $265K | 0.15% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $118K | 0.24% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $44K | 0.01% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $36K | 0.01% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $10K | 0.25% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $8K | 0.02% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $1K | 0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/002120202.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.