13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
QID

PROSHARES TR

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

CUSIP 74349Y829·47 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 7.6%
vs prior quarter
13F value held
$70M
61.0% inst. owned
of float
Holders
47
-51 QoQ
filers reporting
Activity
+30 / −49
+925 added · −811 reduced
this quarter
Concentration
17.00%
Trek Financial, LLC #1
top holder share
AI Holders Summary · Q1 2026

47 institutions reported QID in Q1 2026. Trek Financial, LLC leads at 17.0% of the visible book. -51 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Trek Financial, LLC
CIK 0001768195
$12M528K0.64%Q1 202602
CITADEL ADVISORS LLC
CIK 0001423053
$11M546K0.00%Q4 202503
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$11M467K0.00%Q1 202604
RHL GROUP, LLC
CIK 0002066311
$8M342K6.62%Q1 202605
Genesis Financial Group, LLC
CIK 0002097587
$5M224K3.20%Q1 202606
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$3M152K0.00%Q1 202607
HRT FINANCIAL LP
CIK 0001475597
$3M169K0.01%Q4 202508
Thomas J. Herzfeld Advisors, Inc.
CIK 0001509510
$3M116K0.90%Q1 202609
Client First Investment Management LLC
CIK 0002018284
$2M105K1.23%Q1 202610
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M102K0.00%Q1 202611
UBS Group AG
CIK 0001610520
$2M77K0.00%Q1 202612
Quadrature Capital Ltd
CIK 0001651424
$1M71K0.01%Q4 202513
Tower Research Capital LLC (TRC)
CIK 0001533421
$1M55K0.03%Q1 202614
SOUTHPORT MANAGEMENT, L.L.C.
CIK 0001549553
$1M59K4.16%Q4 202515
AXXCESS WEALTH MANAGEMENT, LLC
CIK 0001911056
$1M46K0.03%Q1 202616
Hillsdale Investment Management Inc.
CIK 0001368465
$799,67135K0.02%Q1 202617
GROUP ONE TRADING LLC
CIK 0000932540
$645,60628K0.00%Q1 202618
SIMPLEX TRADING, LLC
CIK 0001488542
$609,46327K0.00%Q1 202619
Headlands Technologies LLC
CIK 0001570271
$591,74326K0.07%Q1 202620
WOLVERINE TRADING, LLC
CIK 0000927337
$517,00024K0.00%Q3 2025
Page 1 of 3
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