Ticker · CUSIP 04650F101
Holders (tracked)
2
Combined shares
3,771,349
Combined value
$13.52M
Last close
$4.09
Quarter
2025Q4
Price is +14.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
2 events
- T. Rowe Price opened position2026-02-17+465,352 shares · 2025Q4Position
- Cathie Wood (ARK Invest) opened position2026-02-11+3,305,997 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 |
|---|---|---|---|---|---|
| 04-08 | Angermayer Christian Insider | M | 410,162 | $1.64 | $672.7K |
| 04-08 | Angermayer Christian Insider | M | 103,000 | $1.34 | $138.0K |
| 04-08 | Angermayer Christian Insider | M | 46,070 | $1.88 | $86.6K |
Follow-the-investor returns
If you'd copied each holder of ATAI…
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 |
|---|---|---|---|---|
| T. Rowe Price | 2025Q4 | $0.00 | +99862.7% | $1.9M |
| Cathie Wood (ARK Invest) | 2025Q4 | $4.09 | -0.0% | $13.5M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Cathie Wood (ARK Invest)+3,305,997$13.5M
- T. Rowe Price+465,352$2K
Added to0
—
Trimmed0
—
Exited0
—
Who owns ATAI
2 super-investors · 2025Q4
Tracked stake
3.77M
shares
Combined value
$14M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Cathie Wood ARK Invest | 3.31M | $14M |
| 2 | T. Rowe Price | 465.4K | $2K |
Recent moves
2 transactions
- +465,352 · 2025Q4
- +3,305,997 · 2025Q4
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