13F

Stock

Cdt Environmental Technology

Ticker not mapped · held by 3 managers

Reported value

$27.8K

Holders

3

+1 new · −1 exited

Holders’ est. mark

−$2.53K

Price effect on 2 books still in the name

Largest holder

$11.6K

TWO SIGMA SECURITIES, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
TWO SIGMA SECURITIES, LLC38.6K$11.6K−$1.1KAdded$3.73K
XTX Topco Ltd29.2K$8.76K−$1.43KCut−$3.87K
Citadel24.8K$7.44KNew

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.