13F

Stock

Bright Minds Biosciences Inc.

DRUG · held by 93 managers

Reported value

$669.7M

Holders

93

+26 new · −8 exited

Holders’ est. mark

−$31.7M

Price effect on 64 books still in the name

Largest holder

$93.5M

JANUS HENDERSON GROUP PLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
JANUS HENDERSON GROUP PLC1.28M$93.5M−$6.66MAdded$2.69M
Cormorant Asset Management, LP1.06M$77.3M−$5.37MCut−$5.37M
BlackRock, Inc.621.9K$45.4M−$2MAdded$14.6M
Vivo Capital, LLC557.2K$40.7M−$2.54MAdded$1.51M
BRAIDWELL LP539.7K$39.4M−$1.64MAdded$14.1M
ADAGE CAPITAL PARTNERS GP, L.L.C.495.7K$36.2M−$2.01MAdded$5.29M
Vestal Point Capital, LP492.3K$35.9MNew
Driehaus Capital Management LLC432.5K$31.6M−$1.37MAdded$10.5M
PERCEPTIVE ADVISORS LLC377.5K$27.5M−$1.91MCut−$7.51M
Balyasny Asset Management L.P.297.2K$21.7M−$1.14MAdded$4.09M
DEERFIELD MANAGEMENT COMPANY, L.P.283K$20.7MNew
RA CAPITAL MANAGEMENT, L.P.265K$19.3MNew
GREAT POINT PARTNERS LLC220K$16.1MNew
MPM BIOIMPACT LLC212.2K$15.5M−$1.08MCut−$2.48M
Ikarian Capital, LLC166.6K$12.2M−$808.3KCut−$281K
WELLINGTON MANAGEMENT GROUP LLP136.7K$9.97M−$69.4KAdded$8.91M
MORGAN STANLEY132.8K$9.69M−$669.9KCut−$623K
EVENTIDE ASSET MANAGEMENT, LLC130K$9.49M−$522.3KAdded$1.45M
SEVEN GRAND MANAGERS, LLC120K$8.76M−$253.5KAdded$4.85M
ACUTA CAPITAL PARTNERS, LLC112K$8.17M−$428.3KAdded$1.58M
State Street108.2K$7.9M−$391.8KAdded$1.87M
GEODE CAPITAL MANAGEMENT, LLC88.7K$6.47M−$322.2KAdded$1.51M
Sio Capital Management, LLC86.1K$6.28M−$415.1KCut−$108.7K
GOLDMAN SACHS GROUP INC74.4K$5.43M−$246.1KAdded$1.64M
B Group, Inc.67.5K$4.93MNew
VANGUARD PORTFOLIO MANAGEMENT LLC60.5K$4.41MHeld
Walleye Capital LLC53.7K$3.92M−$130.9KAdded$1.9M
MILLENNIUM MANAGEMENT LLC52.8K$3.86M−$267.9KCut−$11.3M
BOOTHBAY FUND MANAGEMENT, LLC51.3K$3.74M−$240.8KAdded$36.5K
AMERIPRISE FINANCIAL INC50K$3.65MNew
Woodline Partners LP45.7K$3.33MNew
Parkman Healthcare Partners LLC40.1K$2.93MNew
ORBIMED ADVISORS LLC40K$2.92MNew
Artia Global Partners LP38.4K$2.8M−$169.4KAdded$195.5K
NORTHERN TRUST CORP37.4K$2.73M−$129.6KAdded$732K
ADAR1 Capital Management, LLC33.9K$2.47M−$17.7KAdded$2.2M
KVP Capital Advisors, LP31.8K$2.32MNew
BANK OF AMERICA CORP /DE/19.4K$1.42M−$76.4KAdded$240.8K
PLATINUM INVESTMENT MANAGEMENT LTD19.1K$1.4M−$97KCut−$300.1K
D. E. Shaw & Co., Inc.15.4K$1.13M−$19.9KAdded$821.3K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC15.3K$1.12M−$63.2KAdded$145K
SUPERSTRING CAPITAL MANAGEMENT LP13.3K$971.3K−$67.5KCut−$2.72M
UBS Group AG13.3K$969K−$67.3KCut−$108.9K
Bank of New York Mellon Corp13.3K$967K−$50.6KAdded$187.5K
Schonfeld Strategic Advisors LLC13.2K$966.4K−$67.1KCut−$1.39M
AdvisorShares Investments LLC12.6K$920.4K−$50.4KAdded$144.3K
SEI INVESTMENTS CO11.2K$816.4KNew
Ghisallo Capital Management LLC11K$802.7KNew
Informed Momentum Co LLC9.19K$670.5KNew
Nuveen, LLC8.33K$607.8K−$30.4KAdded$140.5K
RHUMBLINE ADVISERS7.76K$566.4K−$30.1KAdded$103.1K
Trexquant Investment LP7.45K$543.7KNew
Quadrature Capital Ltd6.5K$474.2KNew
LPL Financial LLC6.5K$473.9K−$28.6KAdded$33.4K
JANE STREET GROUP, LLC6.4K$467K−$32.4KCut−$236.8K
Seven Fleet Capital Management LP6.39K$466.6KNew
Invesco Ltd.6.3K$459.4K−$21.3KAdded$131.8K
DEUTSCHE BANK AG\6.26K$456.6K−$21.6KAdded$124.3K
VANGUARD FIDUCIARY TRUST CO6.06K$442.3KHeld
DNB Asset Management AS4.44K$324.1KNew
MetLife Investment Management, LLC3.91K$285.4K−$14.8KAdded$57.7K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM3.78K$275.9K−$19.2KCut−$19.2K
JPMORGAN CHASE & CO3.88K$265.4K−$24.1KAdded$69K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.3.26K$237.9K−$11.8KAdded$56.6K
SUSQUEHANNA INTERNATIONAL GROUP, LLP3.14K$229.2KNew
BARCLAYS PLC3.08K$224.5K−$15.6KCut−$529.3K
Vanguard Global Advisers, LLC3.06K$223.1KHeld
STRS OHIO2.7K$197K−$4.56KAdded$126.8K
NEW YORK STATE COMMON RETIREMENT FUND2.6K$189.7K−$13.2KCut−$13.2K
WELLS FARGO & COMPANY/MN2.53K$184.8K−$12.8KCut−$246.3K
Persistent Asset Partners Ltd2.31K$168.6KNew
Aquatic Capital Management LLC2.04K$149.2KNew
Police & Firemen's Retirement System of New Jersey2.04K$148.6K−$7.63KAdded$31.1K
BNP PARIBAS FINANCIAL MARKETS1.57K$114.6K−$7.96KCut−$1.89M
Russell Investments Group, Ltd.882$64.4K−$4.47KCut−$8.53K
Fidelity819$59.8K−$4.15KCut−$26.9K
Legal & General Group Plc616$45K−$3.07KAdded$1.96K
Tower Research Capital LLC (TRC)597$43.6K−$3.03KCut−$40.9K
China Universal Asset Management Co., Ltd.500$36.5KNew
Ameritas Investment Partners, Inc.470$34.3K−$2.38KCut−$2.38K
ROYAL BANK OF CANADA406$30K−$816Cut−$10K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM380$27.7K−$1.57KAdded$3.54K
CITIGROUP INC297$21.6K−$903Added$12.4K
Sterling Capital Management LLC45$3.28K−$152Added$943
GAMMA Investing LLC33$2.41KNew
CWM, LLC11$803$729Added$802
Bell Investment Advisors, Inc6$438New
SBI Securities Co., Ltd.5$365−$25Cut−$25
PRICE T ROWE ASSOCIATES INC /MD/4.95K$361−$14Added$140
Virtu Financial LLC3.13K$228−$15Added$2
Allworth Financial LP3$219New
TWIN PEAKS WEALTH ADVISORS, LLC1$73New
MAI Capital Management1$73New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.