13F

Stock

Tectonic Therapeutic, Inc.

TECX · held by 105 managers

Reported value

$280.5M

Holders

105

+2 new · −1 exited

Holders’ est. mark

$614.1K

Price effect on 3 books still in the name

Largest holder

$58.6M

Fidelity

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Fidelity2.81M$58.6MHeld
Aberdeen Group plc1.14M$23.8MHeld
BRAIDWELL LP927.5K$19.3MHeld
BAKER BROS. ADVISORS LP903.4K$18.8MHeld
BlackRock, Inc.854.4K$17.8MHeld
5AM Venture Management, LLC606.7K$12.7MHeld
Vanguard599.9K$12.5MHeld
ORBIMED ADVISORS LLC574.6K$12MHeld
Point72 Asset Management, L.P.492.3K$10.3MHeld
Vestal Point Capital, LP328K$6.84MHeld
Citadel317.6K$6.63MHeld
MILLENNIUM MANAGEMENT LLC300.8K$6.28MHeld
GEODE CAPITAL MANAGEMENT, LLC263.6K$5.5MHeld
Pale Fire Capital SE261K$5.45MHeld
Prosight Management, LP235K$4.9MHeld
Opaleye Management Inc.214.7K$4.48MHeld
KENNEDY CAPITAL MANAGEMENT LLC209.2K$4.36MHeld
State Street209.1K$4.36MHeld
Woodline Partners LP200K$4.17MHeld
Squarepoint Ops LLC199.6K$4.16MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP151.7K$3.16MHeld
WELLS FARGO & COMPANY/MN120.4K$2.51MHeld
D. E. Shaw & Co., Inc.120.3K$2.51MHeld
ExodusPoint Capital Management, LP111.2K$2.32MHeld
MORGAN STANLEY94.4K$1.97M$488.2KAdded$326.7K
GOLDMAN SACHS GROUP INC92.7K$1.93MHeld
KOTLER KEVIN80K$1.67MHeld
Knott David M Jr74K$1.54MHeld
NORTHERN TRUST CORP72.3K$1.51MHeld
Connor, Clark & Lunn Investment Management Ltd.71.7K$1.49MHeld
RAYMOND JAMES FINANCIAL INC54.6K$1.14MHeld
PFM Health Sciences, LP42.7K$891.2KHeld
SECTORAL ASSET MANAGEMENT INC42.3K$881.4KHeld
Jump Financial, LLC39.5K$824KHeld
Schonfeld Strategic Advisors LLC39.1K$815.8KHeld
WELLINGTON MANAGEMENT GROUP LLP37.4K$779.7KHeld
Aldebaran Capital, LLC37.4K$779.2KHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC32.5K$677.1KHeld
UBS Group AG31.2K$651.1KHeld
MARSHALL WACE, LLP30.9K$644.9KHeld
ADAR1 Capital Management, LLC30K$625.9KHeld
BIT Capital GmbH30K$625.8KHeld
MONIMUS CAPITAL MANAGEMENT, LP26.6K$554.8KHeld
Bank of New York Mellon Corp25.9K$539.4KHeld
BARCLAYS PLC22.4K$468.2K$92.9KAdded$186.1K
Aquatic Capital Management LLC22.3K$464.4KHeld
JANE STREET GROUP, LLC19.3K$403KHeld
AlphaQuest LLC18.2K$379.4KHeld
ALPS ADVISORS INC15.4K$320.6KHeld
SEI INVESTMENTS CO15.3K$318.1KHeld
Nuveen, LLC14.3K$298.4KHeld
RHUMBLINE ADVISERS14.2K$296.1KHeld
Virtus Investment Advisers, LLC13.5K$280.8KHeld
Palumbo Wealth Management LLC13K$272.1KHeld
Marex Group plc12.5K$260.8KNew
Clarius Group, LLC10.1K$211.3KHeld
DIMENSIONAL FUND ADVISORS LP10.1K$210.2KHeld
Quadrature Capital Ltd10K$208.9KHeld
BANK OF AMERICA CORP /DE/9.22K$192.4K$32.9KAdded$92.6K
SIMPLEX TRADING, LLC9.14K$190.7KHeld
DEUTSCHE BANK AG\7.59K$158.3KHeld
MetLife Investment Management, LLC6.72K$140.3KHeld
Clearstead Advisors, LLC6.5K$135.6KHeld
AlphaCentric Advisors LLC6.48K$135.1KHeld
CANADA PENSION PLAN INVESTMENT BOARD6.3K$131.4KHeld
China Universal Asset Management Co., Ltd.6.05K$126.2KHeld
JPMORGAN CHASE & CO5.78K$120.5KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC6.41K$112.8KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5.08K$105.9KHeld
NISA INVESTMENT ADVISORS, LLC5K$104.3KHeld
NEW YORK STATE COMMON RETIREMENT FUND5K$104.3KHeld
BNP PARIBAS FINANCIAL MARKETS2.82K$58.8KHeld
Police & Firemen's Retirement System of New Jersey2.64K$55KHeld
Ameritas Investment Partners, Inc.1.12K$23.4KHeld
Legal & General Group Plc1.05K$21.9KHeld
CITIGROUP INC1.03K$21.5KHeld
Russell Investments Group, Ltd.929$19.4KHeld
Mirae Asset Global Investments Co., Ltd.909$19KHeld
Tower Research Capital LLC (TRC)752$15.7KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM676$14.1KHeld
HighMark Wealth Management LLC587$12.2KHeld
GROUP ONE TRADING LLC541$11.3KHeld
Sterling Capital Management LLC537$11.2KHeld
Federation des caisses Desjardins du Quebec500$10.4KHeld
ROYAL BANK OF CANADA521$10KHeld
Farther Finance Advisors, LLC373$7.78KHeld
GF FUND MANAGEMENT CO. LTD.367$7.66KHeld
Bollard Group LLC303K$6.32KHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC173$3.61KHeld
Zurcher Kantonalbank (Zurich Cantonalbank)164$3.42KHeld
Vermillion & White Wealth Management Group, LLC107$2.23KHeld
GSA CAPITAL PARTNERS LLP63.3K$1.32KHeld
Allworth Financial LP62$1.29KNew
US BANCORP \DE\37$772Held
OPTIMA CAPITAL LLC31$647Held
GAMMA Investing LLC29$605Held
Caldwell Trust Co20$417Held
Global Wealth Strategies & Associates18$375Held
True Wealth Design, LLC5$105Held
Sunbelt Securities, Inc.5$104Held
EverSource Wealth Advisors, LLC2$42Held
OSAIC HOLDINGS, INC.1$21Held
CWM, LLC466$10Held
AMALGAMATED BANK345$7Held
Daiwa Securities Group Inc.80$2Held

Who left

Positions as of Q4 2025. 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.