// company-profile

Sei Investments Co

SEIC
ExchangeNasdaqSectorSecurity Brokers, Dealers & Flotation CompaniesInc.PAFilings136Insiders19
// api This Sei Investments Co insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $453K across 1 transaction.

// 90-day insight

Over the last 90 days, Sei Investments Co insiders bought $2.4M (13 transactions) and sold $6.3M (7 transactions).

  • Most active insider: Sharma Sanjay with 6 transactions totaling $3.5M.
  • Largest single sale: $2.1M by Sharma Sanjay on Apr 23, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Sei Investments Co as of 2026-03-31

— stable
Total reported AUM
$6.02B
QoQ change
-0.2%
Reporting period
2026-03-31
#1
LOOMIS SAYLES & CO L P
CIK 312348
$596.2M
7.6M shares
#2
BlackRock, Inc.
CIK 2012383
$404.9M
5.2M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$372.1M
4.7M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 9, 2026DORAN WILLIAMSEIC
Sale
5,000$90.50$453K
May 4, 2026MCCARTHY KATHRYNSEIC
Option Exercise
5,000
May 4, 2026MCCARTHY KATHRYNSEIC
Option Exercise
5,000
May 4, 2026MCCARTHY KATHRYNSEIC
Option Exercise
5,000$49.63$248K
May 4, 2026MCCARTHY KATHRYNSEIC
Sale
10,000$91.07$911K

45 more transactions hidden

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