Follow-The-Filings

Security · featured owners

SEIC Sei Invts Co.

Financials COM Equity as of 2026 Q2 among managers we track

  • 2 Owners
  • Max 0.1%
  • $16M
  • 1 exit

SEIC (Sei Invts Co.) is held in 2 featured 13F books as of 2026 Q2. Thomas Gayner - Markel Group is the largest tracked holder by portfolio weight (0.12%). Figures are as-filed 13F, not free float.

Who owns this now

Largest portfolio weights among featured holders · max 0.1% (Thomas Gayner - Markel Group) · not free-float ownership

  1. Thomas Gayner 0.12%
  2. Kahn Brothers Group 0.09%

holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

history
Thomas Gayner - Markel Group 2026 Q2 0.12% Hold 173,200 $15M history
Kahn Brothers Group 2026 Q2 0.09% Hold 6,596 $579K history
Mairs & Power exited 2026 Q2 last 2026 Q1 <0.01% Exit 0.00% 3,300 $259K history

2 current · 1 exited last period · options excluded

SEC filings

Recent issuer filings from EDGAR · 9 shown · open Filing / Doc on SEC.gov

Filed Form Detail Links
10-Q FORM 10-Q Filing Doc
8-K 2.02,7.01,9.01 Filing Doc
8-K 5.07,8.01,9.01 Filing Doc
10-Q FORM 10-Q Filing Doc
8-K 2.02,7.01,9.01 Filing Doc
8-K 7.01,9.01 Filing Doc
10-K FORM 10-K Filing Doc
8-K 2.02,7.01,9.01 Filing Doc
8-K 5.02,9.01 Filing Doc

Insider forms

Form 3 / 4 / 5 from EDGAR · 21 rows shown

Filed Form Detail Links
4 Period Sep 3, 2026 Filing Doc
4 Period Sep 1, 2026 Filing Doc
4 Period Aug 28, 2026 Filing Doc
4 Period Aug 4, 2026 Filing Doc
4 Period Aug 3, 2026 Filing Doc
4 Period Jul 28, 2026 · 3 forms Filing Doc
4 Period Jul 24, 2026 · 2 forms Filing Doc
4 Period Jun 26, 2026 Filing Doc
4 Period Jun 9, 2026 Filing Doc
4 Period May 4, 2026 Filing Doc
4 Period Apr 28, 2026 Filing Doc
4 Period Apr 23, 2026 Filing Doc
4 Period Apr 23, 2026 · 2 forms Filing Doc
4 Period Mar 31, 2026 Filing Doc
4/A Period Mar 31, 2026 Filing Doc
4 Period Mar 18, 2026 Filing Doc
4 Period Mar 10, 2026 Filing Doc
4 Period Feb 25, 2026 Filing Doc
4 Period Jan 29, 2026 Filing Doc
4 Period Jan 1, 2026 Filing Doc
4 Period Dec 30, 2025 Filing Doc

Updated 13 days ago Source: SEC EDGAR submissions All on EDGAR

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Gross profit $556.76M $699.39M $808.13M
Net income $462.26M $581.19M $715.3M

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $1.48B $1.55B $1.27B
Total non-current assets * $1.04B $1.13B —
Total assets $2.52B $2.68B —
Total current liabilities $353.05M $380.51M $387.21M
Total non-current liabilities * $35.13M $51.98M —
Total equity $2.13B $2.25B $2.45B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $447.03M $622.34M $607.66M
Cash from investing -$141.54M -$117.3M -$399.09M
Cash from financing -$331.32M -$494.4M -$589.5M
Net change in cash -$18.36M $5.2M -$369.6M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders