SEIC
Sei Investments Company
3 of the 83 super-investors we track hold SEIC, worth a combined $24M per their latest 13F filings. The largest position: Thomas Gayner at 0.1% of their portfolio. No cohort buying or selling was filed on the name this quarter. Conviction score: 27 of 100 (how strongly the cohort backs it) — ranked #483 of 742 stocks. Conviction easing: 1 fewer super-investor hold it than in 2026Q1.
Why super-investors own SEIC
SEIC is held by 3 super-investors in our cohort, with a combined position value of $24M. The highest-conviction owner is Thomas Gayner at 0.1% of their portfolio. Cohort ownership has shrunk from 4 to 3 over the last four quarters — net interest is fading.
AI-synthesized from 13F filings. Not investment advice.
Cohort owners over time
2016Q3 → 2026Q2How many of the cohort members held this stock each quarter.
Owners (3) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Thomas Gayner | 0.1% | 40q | $15M | 173,200 |
| 2 | Joel Greenblatt | <0.1% | 35q | $8M | 92,433 |
| 3 | Kahn Brothers Group | 0.1% | 8q | $518K | 6,596 |
Owners of SEIC also hold
Congress is trading SEIC
Congress tracker →- Thomas H Tubervillesold$1,001 - $15,000 · 2022-10-05
- Thomas H Tubervillebought$1,001 - $15,000 · 2021-03-29 · late
- Mikie Sherrillsold$1,001 - $15,000 · 2020-02-20
- Mikie Sherrillbought$1,001 - $15,000 · 2020-01-15
- Mikie Sherrillsold$1,001 - $15,000 · 2019-12-12
STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →
Long US equity 13F-HR filings only. CUSIP 784117103. Not investment advice.