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

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.