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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
OQS
51
Occudo Quantitative Strategies
Florida
$3.39M -$3.3M -658 -52%
Swiss National Bank
52
Swiss National Bank
Switzerland
$3.25M +$50.1K +10 +2%
Acadian Asset Management
53
Acadian Asset Management
Massachusetts
$3.18M -$832K -166 -23%
Bank of America
54
Bank of America
North Carolina
$3.14M -$281K -56 -9%
N
55
Nuveen
North Carolina
$2.94M +$251K +50 +11%
Fidelity Investments
56
Fidelity Investments
Massachusetts
$2.87M -$75.2K -15 -3%
New York State Common Retirement Fund
57
New York State Common Retirement Fund
New York
$2.84M – – –
FP
58
Factorial Partners
New York
$2.76M -$3.58M -715 -59%
AG
59
Algert Global
California
$2.66M -$251K -50 -10%
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$2.63M +$5.01K +1 +0.2%
Wells Fargo
61
Wells Fargo
California
$2.53M +$2.19M +436 +3,633%
ECM
62
ExodusPoint Capital Management
New York
$2.38M +$1.68M +336 +395%
Franklin Resources
63
Franklin Resources
California
$2.31M -$226K -45 -10%
SSA
64
Schonfeld Strategic Advisors
New York
$2.13M -$441K -88 -19%
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$2.08M +$496K +99 +37%
CIA
66
Choate Investment Advisors
Massachusetts
$2.04M +$1.23M +246 +214%
Legal & General Group
67
Legal & General Group
United Kingdom
$1.87M -$205K -41 -11%
CAU
68
Caxton Associates (UK)
$1.86M +$947K +189 +135%
ET
69
Entropy Technologies
New York
$1.77M +$752K +150 +92%
Mariner
70
Mariner
Kansas
$1.66M -$897K -179 -38%
Citigroup
71
Citigroup
New York
$1.59M -$125K -25 -8%
GAMC
72
Garner Asset Management Corp
Texas
$1.57M -$185K -37 -12%
Marshall Wace
73
Marshall Wace
United Kingdom
$1.57M -$4.95M -988 -78%
KK
74
KLP Kapitalforvaltning
Norway
$1.55M – – –
SIM
75
SummerHaven Investment Management
Connecticut
$1.49M -$100K -20 -7%
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.