Atai Life Sciences Ownership | Who Owns Atai Life Sciences?

Atai Life Sciences Ownership Summary

Atai Life Sciences is owned by 9.03% institutional investors, 10.02% insiders, and 80.95% retail investors. Morgan stanley is the largest institutional shareholder, holding 1.71% of ATAI shares. iShares Biotechnology ETF is the top mutual fund, with 0.46% of its assets in Atai Life Sciences shares.

ATAI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Atai Life Sciences	9.03%	10.02%	80.95%
Sector	Healthcare Stocks	57.39%	9.93%	32.68%
Industry	Biotech Stocks	68.48%	9.65%	21.87%
Idea	Psychedelic Stocks List	21.13%	12.05%	66.82%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Morgan stanley	2.72M	1.71%	$3.62M
Ubs group	1.94M	1.21%	$2.58M
Blackrock	1.31M	0.82%	$1.74M
Millennium management	981.56K	0.61%	$1.31M
Davidson kempner capital management lp	949.37K	0.59%	$1.26M
Brown university	718.50K	0.45%	$955.61K
Woodline partners lp	562.37K	0.35%	$747.96K
Pale fire capital se	497.40K	0.31%	$661.54K
Vanguard group	400.56K	0.25%	$532.75K
Two sigma investments, lp	390.88K	0.24%	$519.87K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Brown university	718.50K	0.41%	$955.61K
Pale fire capital se	497.40K	0.15%	$661.54K
Hyperion capital advisors lp	168.42K	0.12%	$223.99K
Diametric capital, lp	104.54K	0.09%	$139.04K
Advisorshares investments	311.49K	0.08%	$414.28K
Bright futures wealth management, llc.	25.00K	0.03%	$37.50K
Davidson kempner capital management lp	949.37K	0.03%	$1.26M
Quattro financial advisors	70.98K	0.03%	$105.47K
Adar1 capital management	100.00K	0.03%	$133.00K
Audent global asset management	16.84K	0.02%	$22.39K

Top Buyers

Holder	Shares	% Assets	Change
Ubs group	1.94M	0.00%	1.91M
Davidson kempner capital management lp	949.37K	0.03%	949.37K
Millennium management	981.56K	0.00%	539.83K
Pale fire capital se	497.40K	0.15%	460.02K
Susquehanna group, llp	307.32K	0.00%	293.99K

Top Sellers

Holder	Shares	% Assets	Change
Walleye capital	-	-	-2.26M
Blackrock funding, inc. /de	314.47K	-	-956.55K
Marshall wace, llp	-	-	-793.84K
Citadel advisors	3.08K	-	-304.74K
Tejara capital	-	-	-260.21K

New Positions

Holder	Shares	% Assets	Change	Value
Davidson kempner capital management lp	949.37K	0.03%	949.37K	$1.26M
Xtx topco	140.54K	0.02%	140.54K	$186.92K
Diametric capital, lp	104.54K	0.09%	104.54K	$139.04K
Peak6	100.00K	0.00%	100.00K	$133.00K
Adar1 capital management	100.00K	0.03%	100.00K	$133.00K

Sold Out

Holder	Change
Redwood wealth management group	-200.00
Venturi wealth management	-300.00
Cwm	-350.00
Cornerstone planning group	-400.00
Daiwa securities group	-468.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2024	88	14.29%	14,501,746	24.52%	9	17.17%	41	78.26%	13	-38.10%
Sep 30, 2024	76	-15.56%	11,574,906	-3.38%	7	12.68%	22	-29.03%	21	40.00%
Jun 30, 2024	90	-	11,979,202	-3.00%	7	12.47%	31	6.90%	15	-25.00%
Mar 31, 2024	90	3.45%	12,349,507	-6.74%	7	10.76%	29	-17.14%	20	-
Dec 31, 2023	87	-9.38%	13,241,539	-8.77%	8	9.79%	35	29.63%	20	-25.93%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Biotechnology ETF	771.79K	0.46%	-
Kieger Impact Healthcare A USD Acc	644.10K	0.38%	205.80K
Horizons Psychedelic Stock ETF	520.20K	0.31%	-82.78K
Morgan Stanley Inception	511.99K	0.31%	-
Morgan Stanley Inst Inception I	511.99K	0.26%	-
AdvisorShares Psychedelics ETF	408.76K	0.21%	-
Vanguard Health Care ETF	391.38K	0.20%	-1.23K
EQ/Morgan Stanley Small Cap Growth K	316.73K	0.16%	-
Kairos Intl SICAV Opports L/S P	212.70K	0.13%	212.70K
iShares Healthcare Innov ETF USD Acc	224.33K	0.11%	-1.80K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 21, 2025	Kirpekar Sahil	Chief Business Officer	Sell	$65.56K
Mar 21, 2025	Craig Kevin James	Chief Medical Officer	Sell	$15.61K
Mar 21, 2025	Rao Srinivas	See Remarks	Sell	$101.81K
Mar 21, 2025	Johnson Anne Nagengast	Chief Financial Officer	Sell	$45.29K
Mar 21, 2025	Short Glenn Frank	Chief Scientific Officer	Sell	$17.77K

Insider Transactions Trends

Date	Buy	Sell
2025 Q1	2	5
2024 Q4	-	-
2024 Q2	-	4
2024 Q1	-	-
2023 Q4	1	-

ATAI Ownership FAQ

Who Owns Atai Life Sciences?

Atai Life Sciences shareholders are primarily institutional investors at 9.03%, followed by 10.02% insiders and 80.95% retail investors. The average institutional ownership in Atai Life Sciences's industry, Biotech Stocks , is 68.48%, which Atai Life Sciences falls below.

Who owns the most shares of Atai Life Sciences?

Atai Life Sciences’s largest shareholders are Morgan stanley (2.72M shares, 1.71%), Ubs group (1.94M shares, 1.21%), and Blackrock (1.31M shares, 0.82%). Together, they hold 3.74% of Atai Life Sciences’s total shares outstanding.

Does Blackrock own Atai Life Sciences?

Yes, BlackRock owns 0.82% of Atai Life Sciences, totaling 1.31M shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 1.74M$. In the last quarter, BlackRock decreased its holdings by -94.533K shares, a -6.75% change.

Who is Atai Life Sciences’s biggest shareholder by percentage of total assets invested?

Brown university is Atai Life Sciences’s biggest shareholder by percentage of total assets invested, with 0.41% of its assets in 718.5K Atai Life Sciences shares, valued at 955.6K$.

Who is the top mutual fund holder of Atai Life Sciences shares?

iShares Biotechnology ETF is the top mutual fund holder of Atai Life Sciences shares, with 0.46% of its total shares outstanding invested in 771.79K Atai Life Sciences shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools