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Seaboard Corporation (SEB) institutional ownership

Latest close $4,526.23 Jul 21, 2026
Market cap$3.8B 52-week range SectorIndustrials
Funds holding · Q1 2026
179
reported SEB position changes
Top owners · Q1 2026
No disclosed owners are available.
Institutional activity · Q1 2026
Activity unavailable N/A
97 buyers · 82 sellers

Seaboard Corporation (SEB) price and institutional activity

Dates

Q1 2026

$0 bought by 97 investors
Arrowstreet Capital, Limited PartnershipVanguard +95 more
$0 sold by 82 investors
Two Sigma Advisers, LPPrivate Management Group Inc +80 more
Bought Sold Totals per quarter; hover a bar for the names.

Seaboard Corporation (SEB) institutional activity · 179

Investor Type Est. change Change Δ Own Date
Arrowstreet Capital, Limited Partnership · Added
Change +9K Date Q1 2026
Arrowstreet Capital, Limited Partnership Added· Q1 2026 +9K Q1 2026
Vanguard · Added
Change +5K Date Q1 2026
Vanguard Added· Q1 2026 +5K Q1 2026
Cwa Asset Management Group, LLC · New
Change +4K Date Q1 2026
Cwa Asset Management Group, LLC New· Q1 2026 +4K Q1 2026
AQR Capital Management LLC · Added
Change +3K Date Q1 2026
AQR Capital Management LLC Added· Q1 2026 +3K Q1 2026
Two Sigma Investments, LP · Added
Change +3K Δ Own +138.4% Date Q1 2026
Two Sigma Investments, LP Added· Q1 2026 +3K +138.4% Q1 2026
Two Sigma Advisers, LP · Exited
Change −2K Δ Own −100.0% Date Q1 2026
Two Sigma Advisers, LP Exited· Q1 2026 −2K −100.0% Q1 2026
Private Management Group Inc · Reduced
Change −2K Date Q1 2026
Private Management Group Inc Reduced· Q1 2026 −2K Q1 2026
Dimensional · Added
Change +2K Date Q1 2026
Dimensional Added· Q1 2026 +2K Q1 2026
Renaissance Technologies LLC Reduced· Q1 2026 −2K −36.3% Q1 2026
Voloridge Investment Management, LLC · Exited
Change −2K Δ Own −100.0% Date Q1 2026
Voloridge Investment Management, LLC Exited· Q1 2026 −2K −100.0% Q1 2026
Quadrature Capital Ltd · New
Change +1K Date Q1 2026
Quadrature Capital Ltd New· Q1 2026 +1K Q1 2026
Kahn Brothers Group Inc · Reduced
Change −1K Date Q1 2026
Kahn Brothers Group Inc Reduced· Q1 2026 −1K Q1 2026
Jane Street Group, LLC · Exited
Change −1K Δ Own −100.0% Date Q1 2026
Jane Street Group, LLC Exited· Q1 2026 −1K −100.0% Q1 2026
Twin Lions Management LLC · Reduced
Change −1K Date Q1 2026
Twin Lions Management LLC Reduced· Q1 2026 −1K Q1 2026
Robeco Institutional Asset Management B.V. · New
Change +1K Date Q1 2026
Robeco Institutional Asset Management B.V. New· Q1 2026 +1K Q1 2026
Data through Q1 2026 · filed Jun 10, 2026
15 of 179

Famous investor activity in Seaboard Corporation (SEB)

Seaboard Corporation (SEB) activist and large shareholders

Dates
Owner/Filer identity Shares reported % of shares outstanding Filing date
Bresky Ellen S. 358K
% of shares outstanding 36.9% Filing date Oct 10, 2023
Bresky Ellen S. 358K 36.9% Oct 10, 2023
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Seaboard Corporation (SEB) ownership FAQ

Who owns SEB?

179 reporting institutions disclosed SEB position changes in the Q1 2026 snapshot.

How is institutional activity calculated?

For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q1 2026.

What are activist and large shareholder filings?

An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.

Where does this data come from?

Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.

Why are ownership reports delayed?

Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.

How are missing table values shown?

A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.