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Seaboard Corp
SEB

207 hedge funds and large institutions have $1.38B invested in Seaboard Corp in 2026 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 65 increasing their positions, 55 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

46% more first-time investments, than exits

New positions opened: 41 | Existing positions closed: 28

38% more capital invested

Capital invested by funds: $998M → $1.38B (+$377M)

18% more repeat investments, than reductions

Existing positions increased: 65 | Existing positions reduced: 55

5% more funds holding

Funds holding: 198 → 207 (+9)

1.96% more ownership

Funds ownership: 23.44% → 25.4% (+2%)

20% less funds holding in top 10

Funds holding in top 10: 5 → 4 (-1)

Holders
207
Holders Change
+9
Holders Change %
+4.55%
% of All Funds
2.55%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
41
Increased
65
Reduced
55
Closed
28
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$43.5M
2
CAMG
CWA Asset Management Group
Florida
+$17.7M
3
AQR Capital Management
AQR Capital Management
Connecticut
+$15M
4
Two Sigma Investments
Two Sigma Investments
New York
+$12.8M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$10.1M

Top Sellers

1
PMG
Private Management Group
California
-$11.1M
2
Renaissance Technologies
Renaissance Technologies
New York
-$9.27M
3
KBG
Kahn Brothers Group
New York
-$7.09M
4
Voloridge Investment Management
Voloridge Investment Management
Florida
-$6.73M
5
TLM
Twin Lions Management
Connecticut
-$6.19M
Name Holding Trade Value Shares
Change 		Change in
Stake
Corient Private Wealth
26
Corient Private Wealth
Florida
$8.72M -$1.23M -245 -14%
QC
27
Quadrature Capital
United Kingdom
$8.37M +$7.42M +1,481 New
ACM
28
Aquatic Capital Management
Illinois
$8.24M +$5.51M +1,100 +307%
Cerity Partners
29
Cerity Partners
New York
$7.9M -$566K -113 -7%
Northern Trust
30
Northern Trust
Illinois
$7.7M +$331K +66 +5%
Victory Capital Management
31
Victory Capital Management
Texas
$7.2M +$5.3M +1,058 +492%
Millennium Management
32
Millennium Management
New York
$6.64M +$4.01M +801 +215%
Goldman Sachs
33
Goldman Sachs
New York
$6.59M +$291K +58 +5%
Robeco Institutional Asset Management
34
Robeco Institutional Asset Management
Netherlands
$6.58M +$5.83M +1,164 New
D.E. Shaw & Co
35
D.E. Shaw & Co
New York
$6.43M -$1.33M -266 -19%
JP Morgan Chase
36
JP Morgan Chase
New York
$6.4M +$2.45M +488 +73%
Creative Planning
37
Creative Planning
Kansas
$6.28M +$606K +121 +12%
First Trust Advisors
38
First Trust Advisors
Illinois
$5.95M -$541K -108 -9%
UBS Group
39
UBS Group
Switzerland
$5.67M +$2.75M +548 +120%
HA
40
Heartland Advisors
Wisconsin
$5.65M -$5.01M -1,000 -50%
SOADOR
41
State of Alaska Department of Revenue
Alaska
$5.56M – – –
Connor, Clark & Lunn Investment Management (CC&L)
42
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$4.55M -$606K -121 -13%
MC
43
Maverick Capital
Texas
$4.19M +$241K +48 +7%
OAM
44
OP Asset Management
$4.07M +$3.61M +720 New
Bessemer Group
45
Bessemer Group
New Jersey
$4.01M – – –
QCM
46
Quantinno Capital Management
New York
$3.86M +$2.29M +456 +201%
Neuberger Berman Group
47
Neuberger Berman Group
New York
$3.65M -$45.1K -9 -1%
DFCM
48
Dark Forest Capital Management
Puerto Rico
$3.55M -$1.35M -270 -30%
UBS AM
49
UBS AM
Illinois
$3.47M +$5.01K +1 +0.2%
VGA
50
Vanguard Global Advisers
Pennsylvania
$3.4M +$3.01M +601 New
1
2
3 4 5

SEB Hedge Fund Activity: Q1 2026 in Review

207 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Seaboard Corp (SEB) for Q1 2026, worth a combined $1.38B — up 38% from $998M a quarter earlier.

Buyers outnumbered sellers: 41 funds opened new SEB positions and 28 closed out — a net gain of 13 holders — while 65 added to existing stakes and 55 trimmed.

The largest buyer was Arrowstreet Capital, adding an estimated $43.5M. The largest seller was Private Management Group, cutting an estimated $11.1M.

  • 207 institutional investors held Seaboard Corp (SEB) as of Q1 2026, up from 198 in Q4 2025.
  • Funds reported $1.38B of Seaboard Corp stock for Q1 2026, up 38% quarter-over-quarter.
  • 41 funds opened new Seaboard Corp positions in Q1 2026 and 28 closed out, a net change of +13 holders.
  • The largest Seaboard Corp buyer in Q1 2026 was Arrowstreet Capital, an estimated $43.5M added.
  • The largest Seaboard Corp seller in Q1 2026 was Private Management Group, an estimated $11.1M sold.

Based on aggregated 13F filings for Q1 2026.