13F

Stock

Proshares Tr

Ticker not mapped · held by 4 managers

Reported value

$1.2M

Holders

4

+2 new · −1 exited

Holders’ est. mark

$8.67K

Price effect on 2 books still in the name

Largest holder

$661.8K

JANE STREET GROUP, LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
JANE STREET GROUP, LLC13.5K$661.8KNew
SYKON CAPITAL LLC9.47K$465.2KNew
BROWN BROTHERS HARRIMAN & CO1.04K$51.2K$4.92KAdded$22.5K
SIMPLEX TRADING, LLC523$25.7K$3.75KCut−$41.2K

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.