DOSSIER · 13F Holders · Q1 2026BellwetherCompounder

PROSHARES ULTRAPRO SHORT S&P50

1 institutions still hold PROSHARES ULTRAPRO SHORT S&P50 as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 74347b268·1 13F holders·last filed Mar 31, 2026

Market cap

—

▲ 7.0%

vs prior quarter

13F value held

$20M

72.0% inst. owned

of float

Holders

-82 QoQ

filers reporting

Activity

+38 / −35

+936 added · −856 reduced

this quarter

Concentration

100.00%

Turim 21 Investimentos Ltda. #1

top holder share

AI Holders Summary · Q1 2026

1 institutions reported PROSHARES ULTRAPRO SHORT S&P50 in Q1 2026. Turim 21 Investimentos Ltda. leads at 100.0% of the visible book. -82 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter

Turim 21 Investimentos Ltda.

CIK 0001652174

$20M34K4.98%Q1 2026