ATYR — ATYR PHARMA INC

Ownership history in XTX Topco Ltd  ·  10 quarters on record

This page tracks every 13F SEC filing in which XTX Topco Ltd reported a position in ATYR PHARMA INC (ATYR). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.07% (2023 Q2)
Avg. % of fund
0.02%
First filed
2021 Q2
Last filed
2025 Q4
Quarters held
10
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 79,365 -233,045 -74.6% 0.00% $62K $0.78
2025 Q3 ADDED 312,410 +292,854 +1497.5% 0.01% $225K $0.72
2025 Q1 ADDED 19,556 +8,374 +74.9% 0.00% $59K $3.02
2024 Q4 REDUCED 11,182 -6,080 -35.2% 0.00% $40K $3.62
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% of Fund (quarterly)    ATYR price (monthly, adj. close)

Other funds also holding ATYR

As of 2025 Q4 — sorted by position size

Rosalind Advisors, Inc. 4.78% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.18% Tikvah Management LLC 3Y 7Y 0.1% FEDERATED HERMES, INC. 3Y 7Y 0.01% Dauntless Investment Group, LLC 0.01% TWO SIGMA SECURITIES, LLC 3Y 7Y 0.0% ADAR1 Capital Management, LLC 0.0% Virtu Financial LLC 3Y 7Y 0.0% KINGSWOOD WEALTH ADVISORS, LLC 0.0% TWO SIGMA ADVISERS, LP 3Y 7Y 0.0%
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