Security key
10919W405
BRIGHT MINDS BIOSCIENCES INC. - COMMON STOCK, WITHOUT PAR VALUE (DRUG)
CUSIP: 10919W405
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / COMMON STOCK, WITHOUT PAR VALUE
- Total 13F shares
- 9,188,601
- Total 13F value
- $670,275,618
- Share change
- +2,601,577
- SEC-reported price per share
- $72.97
- Number of holders
- 94
- Value change
- +$189,182,760
- Number of buys
- 71
- Number of sells
- 21
- Shares outstanding
- 10,194,635
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
94
Top holders
10
DRUG full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
BRIGHT MINDS BIOSCIENCES INC. SEC filings
BRIGHT MINDS BIOSCIENCES INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 10919W405
Recent filing periods:
Ownership snapshot
Top reported holders of DRUG - BRIGHT MINDS BIOSCIENCES INC. - COMMON STOCK, WITHOUT PAR VALUE (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
Ian McDonald
Disclosed value leader
Janus Henderson Group Ltd.
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 14%
13D/G row: Ian McDonald
Showing 1-6 of 15 holder rows.
Quick read
Ian McDonald leads the comparable SEC ownership view at 14%.
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 Ian McDonald's linked filing trail.
Comparable ownership
Top 5
Ian McDonald
14%
Janus Henderson Group Ltd.
13%
Adage Capital Management, L.P.
5.6%
Vivo Opportunity Fund Holdings, L.P.
5.2%
Vestal Point Capital, LP
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 |
|---|---|---|---|---|---|
| Ian McDonald |
13D/G
|
14%
|
$85,992,664
1,396,665 shares
|
$0 | 04 Nov 2024 |
| Janus Henderson Group Ltd. |
13D/G
13F
JANUS HENDERSON GROUP PLC · Company
|
13%
|
$107,305,270
1,284,324 shares
|
+$10,721,888 | 31 Mar 2026 |
| Adage Capital Management, L.P. |
13D/G
|
5.6%
|
$24,005,770
395,743 shares
|
$0 | 30 Sep 2025 |
| Vivo Opportunity Fund Holdings, L.P. |
13D/G
|
5.2%
|
$42,163,090
504,645 shares
|
+$4,216,017 | 31 Mar 2026 |
| Vestal Point Capital, LP |
13D/G
|
5%
|
$41,133,252
492,319 shares
|
$0 | 31 Mar 2026 |
| PERCEPTIVE ADVISORS LLC |
13D/G
13F
Company
|
4.6%
|
$40,171,019
449,290 shares
|
+$414,952 | 31 Dec 2025 |
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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
94
Shares
9,188,601
Rows available
94
| 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 Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
74
Q1 2026 holders
94
Holder diff
20
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend