Ticker · CUSIP 105861306
Holders (tracked)
4
Combined shares
1,612,727
Combined value
$6.82M
Last close
$4.90
Quarter
2025Q4
Price · 1Y$4.90+0.91 (+22.81%)H $7.45 · L $3.73 · Avg Vol 531K
Position opened
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +15.8% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
2 events
- +1,529,627 shares · 2025Q4Position
- +26,800 shares · 2025Q4Position
Insider activity
Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-09 | Tkachenko Igor VP, Corporate Strategy · Officer | A | 7,277 | — | $0 |
Follow-the-investor returns
If you'd copied each holder of ATLX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Paul Tudor Jones (Tudor Investment) | 2025Q4 | $4.23 | +15.8% | $131K |
| Ken Griffin (Citadel Advisors) | 2023Q4 | $4.23 | +15.8% | $163K |
| Ken Griffin (Citadel Advisors) | 2023Q4 | $4.23 | +15.8% | $163K |
| Ken Griffin (Citadel Advisors) | 2023Q4 | $4.23 | +15.8% | $163K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Ken Griffin (Citadel Advisors)+1,529,627$6.5M
- Paul Tudor Jones (Tudor Investment)+26,800$113K
Added to0
—
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q2 | 1 | $721K |
| 2023Q3 | 1 | $1.1M |
| 2023Q4 | 5 | $1.2M |
| 2024Q1 | 5 | $1.1M |
| 2024Q2 | 5 | $477K |
| 2024Q3 | 2 | $320K |
| 2024Q4 | 4 | $580K |
| 2025Q1 | 3 | $384K |
| 2025Q2 | 2 | $523K |
| 2025Q3 | 2 | $366K |
| 2025Q4 | 4 | $6.8M |
Who owns ATLX
4 super-investors · 2025Q4
Tracked stake
1.61M
shares
Combined value
$7M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 1.53M | $6M |
| 2 | Ken Griffin Citadel Advisors | 33.2K | $140K |
| 3 | Paul Tudor Jones Tudor Investment | 26.8K | $113K |
| 4 | Ken Griffin Citadel Advisors | 23.1K | $98K |
Recent moves
12 transactions
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