13F Insight
DOSSIER · 13F Holders · Q2 2026
OILK

PROSHARES TR

44 institutions still hold PROSHARES TR as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 74347G804·44 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$108M
visible holders
Holders
44
filers reporting
Concentration
32.48%
Trek Financial, LLC #1
top holder share
AI Holders Summary · Q2 2026

44 institutions reported OILK in Q2 2026. Trek Financial, LLC leads at 32.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Trek Financial, LLC
CIK 0001768195
$35M739K1.74%Q2 202602
Merit Financial Group, LLC
CIK 0001621225
$22M457K0.13%Q2 202603
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$12M261K0.00%Q2 202604
CITADEL ADVISORS LLC
CIK 0001423053
$7M146K0.00%Q2 202605
Point Nemo Capital, LLC
CIK 0001988307
$6M116K2.79%Q2 202606
Private Advisory Group LLC
CIK 0001632965
$5M112K0.29%Q2 202607
Arlington Capital Management, Inc.
CIK 0001606507
$5M102K3.01%Q2 202608
Green Ridge Wealth Planning LLC
CIK 0002117069
$3M66K1.31%Q2 202609
LPL Financial LLC
CIK 0001403438
$2M43K0.00%Q2 202610
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$2M37K0.00%Q1 202611
Belvedere Trading LLC
CIK 0001632341
$2M37K0.00%Q2 202612
B. Riley Wealth Advisors, Inc.
CIK 0001464811
$1M27K0.07%Q2 202613
FLOW TRADERS U.S. LLC
CIK 0001466697· Market maker
$1M21K0.04%Q1 202614
GUARDIAN WEALTH ADVISORS, LLC / NC
CIK 0001901403
$1M23K0.06%Q2 202615
SIMPLEX TRADING, LLC
CIK 0001488542
$1M22K0.00%Q2 202616
MML INVESTORS SERVICES, LLC
CIK 0000701059
$986K21K0.00%Q2 202617
OSAIC HOLDINGS, INC.
CIK 0001677044
$641K14K0.00%Q2 202618
GROUP ONE TRADING LLC
CIK 0000932540
$461K10K0.00%Q2 202619
Cambridge Investment Research Advisors, Inc.
CIK 0001419186
$374K7K0.00%Q1 202620
Stratos Wealth Partners, LTD.
CIK 0001612865
$355K7K0.00%Q2 2026
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