13F

Stock

Tandem Diabetes Care Inc

TNDM · held by 7 managers

Reported value

$12.5M

Holders

7

+1 new · −0 exited

Holders’ est. mark

−$14.9M

Price effect on 4 books still in the name

Largest holder

$11.6M

BARCLAYS PLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BARCLAYS PLC2.32M$11.6M−$14.8MCut−$5.63M
OP Asset Management Ltd23K$440.7KHeld
Counterpoint Mutual Funds LLC19K$363.3KHeld
Leonteq Securities AG6.85K$131.1K−$46.7KAdded$31.5K
Prestige Wealth Management Group LLC63$1.21K−$472Added$199
Aventura Private Wealth, LLC30$575−$506Cut−$506

Positions as of Q1 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.