Jane Street
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Jane Street’s Seaboard Corp SEB Stock Holding History

Jane Street’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 		– Sell
-1,386
Closed -$6.16M – 12839
2025
Q4 		$6.16M Buy
1,386
+1,190
+607% +$4.71M ﹤0.01% 2932
2025
Q3 		$715K Buy
196
+98
+100% +$341K ﹤0.01% 7050
2025
Q2 		$280K Sell
98
-23
-19% -$60.7K ﹤0.01% 7982
2025
Q1 		$326K Sell
121
-1,082
-90% -$2.85M ﹤0.01% 7657
2024
Q4 		$2.92M Buy
1,203
+766
+175% +$2.11M ﹤0.01% 3493
2024
Q3 		$1.37M Buy
437
+4
+0.9% +$12.5K ﹤0.01% 5241
2024
Q2 		$1.37M Sell
433
-364
-46% -$1.17M ﹤0.01% 5170
2024
Q1 		$2.57M Buy
797
+586
+278% +$2.02M ﹤0.01% 3676
2023
Q4 		$753K Buy
+211
New +$751K ﹤0.01% 6083
2023
Q2 		– Sell
-58
Closed -$219K – 9482
2023
Q1 		$219K Buy
+58
New +$225K ﹤0.01% 7717
2022
Q4 		– Sell
-84
Closed -$286K – 10040
2022
Q3 		$286K Buy
+84
New +$324K ﹤0.01% 7672
2020
Q1 		– Sell
-143
Closed -$608K – 5895
2019
Q4 		$608K Buy
+143
New +$598K ﹤0.01% 3447
2018
Q3 		– Sell
-218
Closed -$864K – 5644
2018
Q2 		$864K Buy
+218
New +$879K ﹤0.01% 2936
2017
Q4 		– Sell
-127
Closed -$572K – 5110
2017
Q3 		$572K Sell
127
-12
-9% -$51.2K ﹤0.01% 2940
2017
Q2 		$555K Buy
+139
New +$559K ﹤0.01% 2896

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

Jane Street's SEB Position: Q1 2026 in Review

Jane Street sold out of Seaboard Corp (SEB) in Q1 2026, closing a stake of 1,386 shares — an estimated $6.16M sold.

Jane Street first reported a position in SEB in Q2 2017 and held it in 15 quarters. The position peaked at $6.16M in Q4 2025. 207 funds tracked by Wall St. Rank hold SEB as of Q1 2026.

  • Jane Street reported no remaining Seaboard Corp position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 1,386 Seaboard Corp shares in Q1 2026, an estimated $6.16M.
  • Jane Street first reported a position in Seaboard Corp in Q2 2017 and held it in 15 quarters.
  • Jane Street's Seaboard Corp position peaked at $6.16M in Q4 2025.
  • 207 funds tracked by Wall St. Rank held Seaboard Corp as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.