Latest Institutional Purchases of Atai Life Sciences N.V. (ATAI)
This list provides information on the latest institutional transactions involving Atai Life Sciences N.V. (ATAI) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Ally Bridge Group (Ny) LLC
New York, NY |
BUY
|
- |
2.29MNew |
$5.99M - $12.8M
|
2.29M
$9.15M
|
|
|
Nov 12, 2025
Q3 2025
|
Cathie Wood
Ark Investment Management LLC | St. Petersburg, Fl
|
BUY
|
- |
2.02MNew |
$5.29M - $11.3M
|
2.02M
$8.08M
|
|
|
Nov 14, 2025
Q3 2025
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
BUY
|
- |
1.94MNew |
$5.08M - $10.9M
|
1.94M
$7.76M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
1.4M+ 118.39% |
$3.66M - $7.83M
|
2.58M
$10.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
1.32M+ 37.81% |
$3.46M - $7.41M
|
4.82M
$19.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Adar1 Capital Management, LLC
Austin, TX |
BUY
|
- |
913KNew |
$2.39M - $5.12M
|
913K
$3.65M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
786K+ 280.84% |
$2.06M - $4.41M
|
1.07M
$4.26M
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
756K+ 5629.6% |
$1.98M - $4.24M
|
770K
$3.08M
|
|
|
Nov 07, 2025
Q3 2025
|
Center Book Partners LP
Greenwich, CT |
BUY
|
- |
651KNew |
$1.71M - $3.65M
|
651K
$2.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
CALL |
629KNew |
$1.65M - $3.53M
|
629K
$2.51M
|
|
|
Nov 12, 2025
Q3 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
563K+ 1490.62% |
$1.47M - $3.16M
|
601K
$2.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
501K+ 518.68% |
$1.31M - $2.81M
|
597K
$2.39M
|
|
|
Nov 14, 2025
Q3 2025
|
Fred Alger Management, LLC
New York, NY |
BUY
|
- |
489KNew |
$1.28M - $2.74M
|
489K
$1.96M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
450KNew |
$1.18M - $2.52M
|
450K
$1.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
401KNew |
$1.05M - $2.25M
|
401K
$1.61M
|
|
|
Nov 14, 2025
Q3 2025
|
Orbimed Advisors LLC
San Diego, CA |
BUY
|
- |
347KNew |
$909K - $1.95M
|
347K
$1.39M
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
248KNew |
$649K - $1.39M
|
248K
$991K
|
|
|
Nov 12, 2025
Q3 2025
|
Nikko Asset Management Americas, Inc.
|
BUY
|
- |
203KNew |
$531K - $1.14M
|
203K
$811K
|
|
|
Oct 27, 2025
Q3 2025
|
Sumitomo Mitsui Trust Holdings, Inc.
|
BUY
|
- |
203KNew |
$531K - $1.14M
|
203K
$811K
|
|
|
Nov 14, 2025
Q3 2025
|
Rockefeller Capital Management L.P.
New York, NY |
BUY
|
- |
179KNew |
$469K - $1M
|
179K
$716K
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
166K+ 122.53% |
$435K - $931K
|
301K
$1.21M
|
|
|
Nov 14, 2025
Q3 2025
|
Numerai Gp LLC
San Francisco, CA |
BUY
|
- |
154KNew |
$403K - $863K
|
154K
$615K
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
152KNew |
$397K - $851K
|
152K
$607K
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
119KNew |
$311K - $667K
|
119K
$475K
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
118K+ 107.72% |
$310K - $664K
|
228K
$913K
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
117K+ 147.36% |
$307K - $658K
|
197K
$788K
|
|
|
Nov 05, 2025
Q3 2025
|
Advisor Shares Investments LLC
Bethesda, MD |
BUY
|
- |
117K+ 29.9% |
$305K - $654K
|
506K
$2.03M
|
|
|
Oct 29, 2025
Q3 2025
|
Wealth Enhancement Advisory Services, LLC
|
BUY
|
- |
110KNew |
$288K - $616K
|
110K
$439K
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
101K+ 29.09% |
$265K - $568K
|
449K
$1.8M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
98K+ 67.86% |
$257K - $550K
|
242K
$969K
|
|
|
Nov 14, 2025
Q3 2025
|
Stem Point Capital LP
New York, NY |
BUY
|
- |
76KNew |
$199K - $427K
|
76K
$304K
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
69.9KNew |
$183K - $392K
|
69.9K
$280K
|
|
|
Nov 10, 2025
Q3 2025
|
Td Asset Management Inc
|
BUY
|
- |
68.6KNew |
$180K - $385K
|
68.6K
$274K
|
|
|
Nov 14, 2025
Q3 2025
|
Shay Capital LLC
New York, NY |
BUY
|
- |
68KNew |
$178K - $381K
|
68K
$272K
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
63K+ 79.22% |
$165K - $354K
|
143K
$570K
|
|
|
Nov 12, 2025
Q3 2025
|
Dld Asset Management, LP
New York, NY |
BUY
|
- |
60KNew |
$157K - $337K
|
60K
$240K
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
- |
59.4K+ 1247.41% |
$156K - $333K
|
64.2K
$257K
|
|
|
Nov 12, 2025
Q3 2025
|
Simplex Trading, LLC
|
BUY
|
- |
58.1K+ 73.06% |
$152K - $326K
|
138K
$551K
|
|
|
Nov 05, 2025
Q3 2025
|
Iq Eq Fund Management (Ireland) LTD
|
BUY
|
- |
52.4KNew |
$137K - $294K
|
52.4K
$210K
|
|
|
Nov 06, 2025
Q3 2025
|
High Tower Advisors, LLC
Chicago, IL |
BUY
|
- |
52.1K+ 191.52% |
$137K - $292K
|
79.4K
$317K
|
|
|
Nov 19, 2025
Q3 2025
|
Captrust Financial Advisors
Raleigh, NC |
BUY
|
- |
50KNew |
$131K - $281K
|
50K
$200K
|
|
|
Nov 10, 2025
Q3 2025
|
Thoroughbred Financial Services, LLC
|
BUY
|
- |
47.2KNew |
$124K - $265K
|
47.2K
$189K
|
|
|
Nov 14, 2025
Q3 2025
|
Sender CO & Partners, Inc.
New York, NY |
BUY
|
- |
43.2KNew |
$113K - $242K
|
43.2K
$173K
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
42K+ 366.8% |
$110K - $236K
|
53.5K
$214K
|
|
|
Nov 14, 2025
Q3 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
32.3KNew |
$84.6K - $181K
|
32.3K
$129K
|
|
|
Nov 12, 2025
Q3 2025
|
Dld Asset Management, LP
New York, NY |
BUY
|
PUT |
31.8KNew |
$83.3K - $178K
|
31.8K
$127K
|
|
|
Nov 14, 2025
Q3 2025
|
Dauntless Investment Group, LLC
Commerce Township, MI |
BUY
|
- |
31.2KNew |
$81.6K - $175K
|
31.2K
$125K
|
|
|
Nov 14, 2025
Q3 2025
|
New Edge Advisors, LLC
New Orleans, LA |
BUY
|
- |
30.3KNew |
$79.3K - $170K
|
30.3K
$121K
|
|
|
Oct 27, 2025
Q3 2025
|
Stephens Inc
|
BUY
|
- |
29.4KNew |
$77K - $165K
|
29.4K
$118K
|
|
|
Nov 14, 2025
Q3 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
24.9K+ 48.2% |
$65.4K - $140K
|
76.7K
$307K
|
|