AtaiBeckley Inc. - Common stock, par value $0.01 per share (ATAI)

CUSIP: 04650F101

Q2 2026 13F Holders as of 30 Jun 2026

Holder snapshot 6 signals
Share change
+435,515
SEC-reported price per share
$5.27
Number of holders
51
Value change
+$3,504,833
Number of buys
32
Number of sells
5
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
368,909,961

Security key

04650F101

Report period

Q2 2026

Institutions

51

Top holders

10

Ownership snapshot

Top reported holders of ATAI - AtaiBeckley Inc. - Common stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2026
13D/G 13F Lead comparable stake: 6.8% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 6.8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 6.8%
Deep Track Capital, LP 3.3%
VANGUARD CAPITAL MANAGEMENT LLC 3.2%
UBS Group AG 2%
ADAGE CAPITAL PARTNERS GP, L.L.C. 1.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G 13F
Company
6.8%
$102,225,779
24,994,078 shares
$0 30 Jun 2026
Deep Track Capital, LP
13F
Company
13F
3.3%
$42,480,000
12,000,000 shares
31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
3.2%
$41,635,349
11,761,398 shares
31 Mar 2026
UBS Group AG
13F
Company
13F
2%
$26,291,109
7,426,867 shares
31 Mar 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F
Company
13F
1.5%
$19,975,363
5,642,758 shares
31 Mar 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
13F
1.4%
$18,713,594
5,286,326 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
51
Shares
1,714,255
Rows available
51
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q4 2025 Across Filers

Q4 2025 holders
20
Q2 2026 holders
51
Holder diff
31
Investor Q4 2025 Shares Q2 2026 Shares Share Diff Share Chg % Q4 2025 value Q2 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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