active managers · excl. 10 index-like or broadCompare › PeerLargest in commonManagers in common
% of peer’s 13F baseLead holder
% of peer
XYFRamsey Quantitative SystemsGSA Capital PartnersAcadian+2 more11.16%3.22% VIOTRamsey Quantitative SystemsAcadianSmartHarvest Portfolios+2 more10.01%7.12% JFINRamsey Quantitative SystemsAcadianTrexquant Investment9.28%7.08% STEMGSA Capital PartnersAcadianTrexquant Investment8.14%4.37% AFCGGSA Capital PartnersAcadianHRT Financial7.15%4.17% FBIOGSA Capital PartnersAcadianVirtu Financial6.90%7.31% Lead holder = first named, largest shared stakeSource: 13F · Jun 30 '26Compare ›