Position in ATAI
as of Jun 30, 2026
· filed Jul 28, 2026
Position Value
$202,236
+$102,143 QoQ
Shares Held
38,375
+35.7% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#119
of 239 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in ATAI Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026North Star Investment Management Corp. holds $1,330,782 across 45 Biotechnology names. ATAI ranks #3 (15.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DFTX |
Definium Therapeutics, Inc.
|
8,571 | $403,179 | |
| 2 | TGTX |
Tg Therapeutics, Inc.
|
3,900 | $214,266 | |
| 3 | ATAI |
AtaiBeckley Inc.
This page
|
38,375 | $202,236 | |
| 4 | VKTX |
Viking Therapeutics, Inc.
|
3,058 | $119,292 | |
| 5 | EXEL |
Exelixis, Inc.
|
1,260 | $68,556 | |
| 6 | ALT |
Altimmune, Inc.
|
22,000 | $66,880 | |
| 7 | GHRS |
GH Research PLC
|
2,200 | $59,136 | |
| 8 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
65 | $32,287 |
All Filings in ATAI
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $202,236 | 38,375 | Shares | Sole | 2026-07-28 | |
| 2026-03-31 | $100,093 | 28,275 | Shares | Sole | 2026-04-23 | |
| 2025-12-31 | $64,110 | 15,675 | Shares | Sole | 2026-01-30 | |
| No filing history on record for this holder in this stock. | ||||||