HolderBook

ROUNDHILL ETF TRUST (MARS)

Institutional ownership reported to the SEC as of Q2 2026, across 2 quarters.

17
Reporting holders
$18.1M
Reported value
4.6%
Held as options
+13
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
SUSQUEHANNA INTERNATIONAL GROUP, LLP$7.9M245,6240.00%newNEW
OLD MISSION CAPITAL LLC$3.7M113,3760.06%newNEW
JANE STREET GROUP, LLC$3.1M96,4220.00%2q+174.3%+$2.0M
CITADEL ADVISORS LLC$1.7M25,5490.00%newNEW
MGO ONE SEVEN LLC$740.3K22,9120.01%newNEW
PRELUDE CAPITAL MANAGEMENT, LLC$323.1K10,0000.02%newNEW
SIMPLEX TRADING, LLC$275.9K8,5380.00%newNEW
UBS Group AG$274.2K8,4860.00%2q+414.0%+$220.8K
GROUP ONE TRADING LLC$97.3K3,0100.00%newNEW
OSAIC HOLDINGS, INC.$18.0K5580.00%newNEW
Steward Partners Investment Advisory, LLC$6.9K2150.00%newNEW
AE Wealth Management LLC$4.2K1300.00%newNEW
CNB Bank$3.2K1000.00%newNEW
NFSG Corp$969300.00%newNEW
Ameritas Advisory Services, LLC$969300.00%newNEW
Cambridge Investment Research Advisors, Inc.$79424,5600.00%newNEW
Farther Finance Advisors, LLC$24680.00%newNEW
Main Street Group, LTD$6520.00%newNEW

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 202617$18.1M534,99015204.6%
Q1 20264$3.3M129,8984000.0%