SEI Investments Company (SEIC) Insider Trading

Over the last 3 months, SEIC insiders made 0 open-market buys and 11 sales, a net sale of -$10.8M (SEC Form 4). Over the last 6 months, 450 institutions increased and 376 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
11
Net (3m)
-$10.8M
Insider trades by month Buys Sells
Nov
Dec
Feb
Mar
Apr
May
Context3-month price +6.4%Institutions mixed (13F)
DateInsiderTypeSharesPrice
May 5, 2026MCCARTHY KATHRYNdirectorOption5,000$49.63
May 5, 2026MCCARTHY KATHRYNdirectorSell10,000$91.07
Apr 30, 2026Warner Mark Andrewofficer: In RemarksOption2,000$48.47
Apr 30, 2026Warner Mark Andrewofficer: In RemarksSell4,000$91.16
Apr 30, 2026Warner Mark Andrewofficer: In RemarksOption4,000$48.47
Apr 24, 2026McCabe Philipofficer: See RemarksSell15,000$91.82
Apr 23, 2026Sharma Sanjayofficer: See Remarks*Option12,500$49.63
Apr 23, 2026Sharma Sanjayofficer: See Remarks*Sell1,559$90.73
Apr 23, 2026Peterson Michaelofficer: EXECUTIVE VICE PRESIDENTOption10,000$48.47
Apr 23, 2026Sharma Sanjayofficer: See Remarks*Sell23,441$90.08
Apr 23, 2026Peterson Michaelofficer: EXECUTIVE VICE PRESIDENTSell10,000$90.00
Mar 19, 2026Denham Seanofficer: Executive VP, CFO, COOTax7,673$78.77
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell25,391$79.97
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell6,076$79.11
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell178$78.88
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell1,371$79.94
Mar 12, 2026WEST ALFRED P JRother: Chairman EmeritusSell29,431$80.47
Feb 26, 2026Warner Mark Andrewother: See RemarksGrant2,000$71.12
Feb 26, 2026Warner Mark Andrewother: See RemarksSell4,000$81.74
Feb 26, 2026Warner Mark Andrewother: See RemarksOption2,000$71.12
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICERSell13,054$88.06
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICERSell17,009$86.75
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICERSell49,937$87.39
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICEROption12,500$71.12
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICEROption17,500$56.54
Feb 2, 2026Hicke Ryandirector, officer: CHIEF EXECUTIVE OFFICEROption20,000$64.43
Jan 2, 2026WEST ALFRED P JRother: Chairman EmeritusTax3,482$82.02
Dec 29, 2025Warner Mark Andrewother: See RemarksTax379$81.25
Dec 29, 2025McCabe Philipofficer: See RemarksTax1,094$81.25
Dec 29, 2025WEST ALFRED P JRdirector, officer: Executive ChairmanTax1,100$81.25

Source: SEIC SEC Form 4 filings, latest May 5, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their SEIC positions over the last 6 months (SEC Form 13F).

Increased
450
New positions
136
Reduced
376
Sold out
118
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCReduced11.1MJan 29, 2026
BLACKROCK, INC.Increased10.1MMay 13, 2026
BLACKROCK, INC.Increased9.6MFeb 12, 2026
LOOMIS SAYLES & CO L PReduced8.7MFeb 12, 2026
LOOMIS SAYLES & CO L PReduced8.6MMay 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position6.1MMay 8, 2026
MORGAN STANLEYReduced5.1MFeb 13, 2026
MORGAN STANLEYReduced4.8MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position4.7MMay 15, 2026
STATE STREET CORPReduced4.3MFeb 13, 2026
STATE STREET CORPReduced4.2MMay 15, 2026
BANK OF AMERICA CORP /DE/Reduced3.1MFeb 3, 2026
BANK OF AMERICA CORP /DE/Reduced2.9MFeb 17, 2026
BANK OF AMERICA CORP /DE/Reduced2.9MMay 18, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased2.9MFeb 9, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.