SEIC · NASDAQ · Asset Management

SEI Investments (SEIC)

Links investment technology, operations, custody, and asset management for financial institutions and advisers.

$104.96
vs last close+1.20 (+1.16%)

13F · 13D/G · Form 4

Institutions76.01%91.23M shares
584 holders · as of Jun 30, 2026
Insiders7.94%9.54M shares
17 holders · as of Sep 8, 2026
Other16.05%19.25M shares
remainder

120.02M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
8.27%9.93Mas of Jun 30, 2026
Loomis Sayles & Co L PInstitution
7.07%8.48Mas of Jun 30, 2026
Alfred P. Jr WestInsiderother: Chairman Emeritus
5.68%6.82Mfiled Jun 29, 2026
Vanguard Portfolio Management LLCInstitution
5.12%6.14Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
3.90%4.69Mas of Jun 30, 2026
State Street CorpInstitution
3.54%4.25Mas of Jun 30, 2026
Morgan StanleyInstitution
3.43%4.12Mas of Jun 30, 2026
Boston PartnersInstitution
2.58%3.09Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.46%2.95Mas of Jun 30, 2026
Bank of America Corp /DE/Institution
2.42%2.91Mas of Jun 30, 2026
FMR LLCInstitution
2.09%2.51Mas of Jun 30, 2026
Lord, Abbett & Co. LLCInstitution
1.92%2.31Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
1.64%1.96Mas of Jun 30, 2026
Carmen RomeoInsiderdirector
1.30%1.56Mfiled Sep 3, 2026
First Trust Advisors LPInstitution
1.25%1.50Mas of Jun 30, 2026
Beutel, Goodman & Co Ltd.Institution
1.25%1.49Mas of Jun 30, 2026
Invesco Ltd.Institution
0.93%1.11Mas of Jun 30, 2026
Royce & Associates LPInstitution
0.88%1.05Mas of Jun 30, 2026
Caisse de Depot et Placement du QuebecInstitution
0.84%1.00Mas of Jun 30, 2026
Boston Trust Walden CorpInstitution
0.83%991,300as of Jun 30, 2026
Northern Trust CorpInstitution
0.76%914,907as of Jun 30, 2026
Bank of New York Mellon CorpInstitution
0.75%894,194as of Jun 30, 2026
Norges BankInstitution
0.74%887,116as of Jun 30, 2026
Barclays PLCInstitution
0.69%825,215as of Jun 30, 2026
American Capital Management IncInstitution
0.62%745,323as of Jun 30, 2026

13F, as of Jun 30, 2026

584 holders · 91.23M shares · 78 new positions · 250 increased · 227 reduced · 71 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.9.93M8.27%−182.8KAug 7, 2026
Loomis Sayles & Co L P8.48M7.07%−146.8KAug 14, 2026
Vanguard Portfolio Management LLC6.14M5.12%+15.2KAug 13, 2026
Vanguard Capital Management LLC4.69M3.90%−55.5KAug 13, 2026
State Street Corp4.25M3.54%+66.4KAug 7, 2026
Morgan Stanley4.12M3.43%−673.1KAug 13, 2026
Boston Partners3.09M2.58%+1.32MAug 4, 2026
Geode Capital Management, LLC2.95M2.46%+122.8KAug 12, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Loomis, Sayles & Co., L.P.7.10%8.68M13GMay 14, 2026
BlackRock, Inc.6.80%8.49M13GJul 16, 2025
Vanguard Portfolio Management5.02%6.14M13GApr 29, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Sep 3, 2026
Ryan Hickeofficer: Chief Executive Officer
Sale37,500$110.71192,815
Sep 1, 2026
Carmen Romeodirector
Sale5,000$109.701,560,293
Aug 28, 2026
Michael Petersonofficer: Executive Vice President
Sale37,500$111.5120,148
Aug 5, 2026
Philip McCabeofficer: See Remarks
Sale5,043$105.5054,884
Aug 4, 2026
Philip McCabeofficer: See Remarks
Sale24,957$105.0454,884
Aug 3, 2026
Kathryn Mccarthydirector
Sale10,000$103.5477,883
Jul 28, 2026
Carl Guarinodirector
Sale10,000$103.2018,308
Jul 28, 2026
Michael Petersonofficer: Executive Vice President
Sale25,000$102.0520,148
Jul 28, 2026
Mark Andrew Warnerofficer: See Remarks*
Sale · 3 lots15,000$102.35921
Jul 24, 2026
Sanjay Sharmaofficer: See Remarks*
Sale20,000$99.3339,829

House and Senate disclosures

Not reported.