13F Insight
DOSSIER · 13F Holders · Q2 2026Financial Services · Security Brokers, Dealers & Flotation Companies
SEIC

SEI INVTS CO

607 institutions still hold SEI INVTS CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 784117103·Security Brokers, Dealers & Flotation Companies·607 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$5.4B
visible holders
Holders
607
filers reporting
Concentration
16.00%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

607 institutions reported SEIC in Q2 2026. BlackRock, Inc. leads at 16.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$871M9.9M0.01%Q2 202602
LOOMIS SAYLES & CO L P
CIK 0000312348
$744M8.5M0.93%Q2 202603
Vanguard Portfolio Management
CIK 0002100121· Index
$539M6.1M0.02%Q2 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$411M4.7M0.01%Q2 202605
STATE STREET CORP
CIK 0000093751
$373M4.3M0.01%Q2 202606
MORGAN STANLEY
CIK 0000895421
$361M4.1M0.02%Q2 202607
Boston Partners
CIK 0001386060
$271M3.1M0.24%Q2 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$259M3.0M0.01%Q2 202609
BANK OF AMERICA CORP /DE/
CIK 0000070858
$255M2.9M0.02%Q2 202610
FMR LLC
CIK 0000315066
$220M2.5M0.01%Q2 202611
LORD, ABBETT & CO. LLC
CIK 0000728100
$173M2.2M0.56%Q1 202612
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$172M2.0M0.03%Q2 202613
Beutel, Goodman & Co Ltd.
CIK 0001361974
$139M1.8M0.94%Q1 202614
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$132M1.5M0.08%Q2 202615
Invesco Ltd.
CIK 0000914208
$97M1.1M0.01%Q2 202616
ROYCE & ASSOCIATES LP
CIK 0000906304
$92M1.1M0.74%Q2 202617
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC
CIK 0000898286
$88M1.0M0.13%Q2 202618
Boston Trust Walden Corp
CIK 0001534866
$87M991K0.66%Q2 202619
NORTHERN TRUST CORP
CIK 0000073124· Index
$80M915K0.01%Q2 202620
Bank of New York Mellon Corp
CIK 0001390777
$78M894K0.01%Q2 2026
Page 1 of 31
587 more holders available. Log in →
Insiders at SEI INVTS CO
Mccabe Philip →Mccarthy Kathryn →Guarino Carl →Peterson Michael →Warner Mark Andrew →Shah Sneha S. →Sharma Sanjay →West Alfred P Jr →