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AtaiBeckley Inc
ATAI
ATAI
183 hedge funds and large institutions have $353M invested in AtaiBeckley Inc in 2026 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 37 increasing their positions, 30 reducing their positions, and 27 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
more funds holding
Funds holding: →
23% more repeat investments, than reductions
Existing positions increased: 37 | Existing positions reduced: 30
12.01% more ownership
Funds ownership: 15.33% → 27.34% (+12%)
50% less funds holding in top 10
Funds holding in top 10: 4 → 2 (-2)
Holders
183
Holding in Top 10
2
Calls
$8.8M
Puts
$1.31M
Top Buyers
| 1 | +$28M | |
| 2 | +$27.6M | |
| 3 | +$17.6M | |
| 4 |
Millennium Management
New York
|
+$16.4M |
| 5 |
BlackRock
New York
|
+$15.1M |
Top Sellers
| 1 | -$13.5M | |
| 2 | -$7.01M | |
| 3 | -$6.36M | |
| 4 |
HF
HRT Financial
New York
|
-$6.01M |
| 5 |
Adage Capital Partners
Boston,
Massachusetts
|
-$5.41M |
