DOSSIER · 13F Holders · Q1 2026
REW

PROSHARES TR

3 institutions still hold PROSHARES TR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 74350P568·3 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$1M
visible holders
Holders
3
filers reporting
Concentration
72.02%
Cambridge Investment Research Advisors, Inc. #1
top holder share
AI Holders Summary · Q1 2026

3 institutions reported REW in Q1 2026. Cambridge Investment Research Advisors, Inc. leads at 72.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Cambridge Investment Research Advisors, Inc.
CIK 0001419186
$859K69K0.00%Q1 2026
02
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$171K14K0.00%Q1 2026
03
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$162K13K0.00%Q1 2026