DRUG · NASDAQ · Biotechnology

Bright Minds Biosciences

Develops selective serotonin agonists for epilepsy, PWS, and neuropsychiatric disorders.

$72.81
After-hours close−0.11 (−0.15%)
At close$72.92(−2.17%)

Breakdown13F · Form 4

Institutions 93.88%Insiders

Shares outstanding 9.79M · Float 6.11M · 62.4% free float

Insiders — no current Form 4 position.

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Ian McDonald1.40M13.70%13DJul 2, 2026
Janus Henderson Group PLC1.28M13.10%13GMay 15, 2026
Cormorant Asset Management, LP950.0K9.71%13GApr 30, 2026
Cormorant Global Healthcare GP, LLC850.0K18.79%13GOct 22, 2024
BlackRock, Inc.621.9K6.35%13FMay 13, 2026

Institutions13F, as of Mar 31, 2026

94 holders · 9.19M shares · 29 new positions · 74 increased · 15 reduced · 9 closed

HolderShares% outstandingChg q/qFiled
Janus Henderson Group PLC1.28M13.12%+128.3KMay 18, 2026
Cormorant Asset Management, LP1.06M10.82%0May 15, 2026
BlackRock, Inc.621.9K6.35%+227.9KMay 13, 2026
Vivo Capital, LLC557.2K5.69%+55.6KMay 20, 2026
Braidwell LP539.7K5.51%+215.4KMay 15, 2026
Adage Capital Partners GP, L.L.C.495.7K5.07%+100.0KMay 15, 2026
Vestal Point Capital, LP492.3K5.03%+492.3KnewMay 15, 2026
Driehaus Capital Management LLC432.5K4.42%+162.9KMay 15, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Cormorant Global Healthcare GP, LLCincl. Cormorant Global Healthcare Master Fund, LP, Cormorant Asset Management, LP +1 more18.79%850.0K13GOct 22, 2024
Ian McDonald13.70%1.40M13DJul 2, 2026
Janus Henderson Group PLC13.10%1.28M13GMay 15, 2026
Arsani Williamincl. Logos GP LLC, Logos Global Management LP +2 more11.00%13GOct 23, 2024
Cormorant Asset Management, LP9.71%950.0K13GApr 30, 2026
Capital LPincl. Capital Master LP9.00%400.0K13GOct 25, 2024
RA Capital Healthcare Fund, L.P.incl. Peter Kolchinsky, Rajeev Shah +1 more6.60%460.8K13GNov 12, 2024
Adage Capital Management, L.P.5.58%395.7K13GNov 13, 2025
Vivo Opportunity Fund Holdings, L.P.5.20%504.6K13GMay 12, 2026
Vestal Point Capital, LP5.00%492.3K13GMay 15, 2026

InsidersForm 4

InsiderRoleSharesFiled
Cormorant Asset Management, LPother: Former 10% Owner950.0KApr 30, 2026

1 ten-percent owner holds 950.0K shares by Form 4 — the 13D/G table above shows that stake, the figure above counts officers and directors only

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Apr 28, 2026
Cormorant Asset Management, LPother: Former 10% Owner
Sale109,331$89.50950,000

CongressHouse and Senate disclosures

Not reported.