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Heartland Advisors’s Seaboard Corp SEB Stock Holding History

Heartland Advisors’s Portfolio SEB Stock Details SEB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$5.65M Sell
1,000
-1,000
-50% -$5.01M 0.29% 140
2025
Q4 		$8.89M Hold
2,000
– – 0.48% 78
2025
Q3 		$7.29M Hold
2,000
– – 0.39% 102
2025
Q2 		$5.72M Hold
2,000
– – 0.32% 127
2025
Q1 		$5.39M Buy
2,000
+400
+25% +$1.05M 0.31% 134
2024
Q4 		$3.89M Buy
1,600
+400
+33% +$1.1M 0.21% 147
2024
Q3 		$3.76M Buy
+1,200
New +$3.74M 0.2% 146

Other funds holding SEB

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
WCM
Wallace Capital Management Dallas, Texas $871M AUM 13.69% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Heartland Advisors's SEB Position: Q1 2026 in Review

Heartland Advisors reduced its Seaboard Corp (SEB) stake by 50% in Q1 2026, selling an estimated $5.01M and leaving 1,000 shares worth $5.65M. The position accounts for 0.29% of the portfolio, ranked #140.

Heartland Advisors first reported a position in SEB in Q3 2024 and has held it in 7 quarters since. The position peaked at $8.89M in Q4 2025. 207 funds tracked by Wall St. Rank hold SEB as of Q1 2026.

  • Heartland Advisors held 1,000 shares of Seaboard Corp worth $5.65M as of Q1 2026.
  • Heartland Advisors sold 1,000 Seaboard Corp shares in Q1 2026, an estimated $5.01M.
  • Seaboard Corp made up 0.29% of Heartland Advisors's portfolio in Q1 2026, its #140 holding.
  • Heartland Advisors first reported a position in Seaboard Corp in Q3 2024 and has held it in 7 quarters since.
  • Heartland Advisors's Seaboard Corp position peaked at $8.89M in Q4 2025.
  • 207 funds tracked by Wall St. Rank held Seaboard Corp as of Q1 2026.

Based on Heartland Advisors's 13F filing for Q1 2026, filed 6 May 2026.