Ownership history in XTX Topco Ltd · 11 quarters on record
This page tracks every 13F SEC filing in which XTX Topco Ltd reported a position in ATOSSA THERAPEUTICS INC (ATOS). 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.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 169,261 | +144,412 | +581.2% | 0.00% | $100K | $8.85 |
| 2025 Q3 | ADDED | 24,849 | +12,312 | +98.2% | 0.00% | $22K | $13.05 |
| 2025 Q2 | REDUCED | 12,537 | -66,639 | -84.2% | 0.00% | $10K | $12.45 |
| 2024 Q4 | ADDED | 79,176 | +29,560 | +59.6% | 0.01% | $75K | $14.10 |
| 2024 Q3 | ADDED | 49,616 | +24,951 | +101.2% | 0.01% | $75K | $22.80 |
| 2024 Q2 | REDUCED | 24,665 | -60,704 | -71.1% | 0.00% | $29K | $17.85 |
| 2023 Q4 | REDUCED | 85,369 | -82,058 | -49.0% | 0.02% | $75K | $13.20 |
| 2023 Q3 | ADDED | 167,427 | +128,044 | +325.1% | 0.02% | $123K | $11.10 |
| 2023 Q2 | ADDED | 39,383 | +22,108 | +128.0% | 0.01% | $50K | $18.90 |
| 2021 Q4 | REDUCED | 17,275 | -3,117 | -15.3% | 0.02% | $28K | $24.00 |
As of 2025 Q4 — sorted by position size