13F

Stock

Exact Sciences Corp

Ticker not mapped · held by 35 managers

Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025

Reported value

$527M

Holders

35

+4 new · −0 exited

Holders’ est. mark

$126.7K

Price effect on 2 books still in the name

Largest holder

$134.7M

Weiss Asset Management LP

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Q3 2019Q4 2019Q1 2020Q2 2020Q3 2020Q4 2020Q1 2021Q2 2021Q3 2021Q4 2022Q1 2023Q4 2023Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026

Who holds it

Notable only
InvestorSharesValueEst. markChange
Weiss Asset Management LP129M$134.7M—New
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)90M$93.7M—New
CAPSTONE INVESTMENT ADVISORS, LLC48.9M$51.2M—Held
VOYA INVESTMENT MANAGEMENT LLC46.3M$48.4M—Held
Man Group plc44.4M$46.3M—Held
TENOR CAPITAL MANAGEMENT Co., L.P.38M$39.8M—Held
Polar Asset Management Partners Inc.16.6M$17.3M—New
KIM, LLC15.4M$16.1M—Held
SONA ASSET MANAGEMENT (US) LLC13.8M$14.4M—Held
State Street11.2M$11.7M—Held
Walleye Capital LLC10M$10.5M—Held
BlackRock, Inc.7M$7.31M—Held
ABSOLUTE INVESTMENT ADVISERS, LLC7M$7.3M—Held
Alpine Global Management, LLC6.5K$6.76M—Held
Focus Partners Wealth3.58M$3.72M—Held
Jefferies Financial Group Inc.2.77M$2.9M—Held
Universal- Beteiligungs- und Servicegesellschaft mbH2.17M$2.27M—Held
BARCLAYS PLC1.59M$1.65M$126.3KAdded$127.4K
ADVENT CAPITAL MANAGEMENT /DE/1.57M$1.64M—Held
CSS LLC/IL1.5M$1.57M—Held
Calamos Advisors LLC1.34M$1.4M—Held
WELLS FARGO & COMPANY/MN1.32M$1.38M—Held
SSI INVESTMENT MANAGEMENT LLC1M$1.04M—Held
CITIGROUP INC931K$971.7K—Held
ROYAL BANK OF CANADA622K$649K—Held
LAZARD ASSET MANAGEMENT LLC55.9M$584.7K—Held
Zurcher Kantonalbank (Zurich Cantonalbank)500K$521.1K—Held
JPMORGAN CHASE & CO321K$336.4K—Held
Calamos Wealth Management LLC261K$272.4K—Held
GAMCO INVESTORS, INC. ET AL200K$208.8K—Held
BNP PARIBAS FINANCIAL MARKETS148K$154.5K—Held
UBS Group AG126K$131.5K—Held
AQR Arbitrage LLC85K$88.9K—Held
BANK OF AMERICA CORP /DE/13K$13.6K—New
MORGAN STANLEY5K$5.22K$421Added$421

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.