DOSSIER · 13F Holders · Q1 2026
OAKI

HARRIS OAKMARK ETF TRUST

7 institutions still hold HARRIS OAKMARK ETF TRUST as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 41456U205·7 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$65M
visible holders
Holders
7
filers reporting
Concentration
79.70%
Natixis Investment Managers, LLC #1
top holder share
AI Holders Summary · Q1 2026

7 institutions reported OAKI in Q1 2026. Natixis Investment Managers, LLC leads at 79.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Natixis Investment Managers, LLC
CIK 0001053187
$52M1.9M67.15%Q1 2026
02
Appalachian Capital Management Ltd
CIK 0002111450
$9M342K6.38%Q2 2026
03
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$1M53K0.00%Q1 2026
04
MBE Wealth Management, LLC
CIK 0001775850
$1M46K0.42%Q2 2026
05
CITADEL ADVISORS LLC
CIK 0001423053
$1M40K0.00%Q4 2025
06
Resonant Capital Advisors, LLC
CIK 0001803236
$621K20K0.03%Q1 2026
07
HighTower Advisors, LLC
CIK 0001462245
$229K10K0.00%Q1 2026