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Seaboard Corp

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: 198207 (+9)

1.96% more ownership

Funds ownership: 23.44%25.4% (+2%)

20% less funds holding in top 10

Funds holding in top 10: 54 (-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
Name Holding Trade Value Shares
Change
Change in
Stake
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$266M +$10.1M +2,017 +4%
BlackRock
2
BlackRock
New York
$136M +$4.09M +816 +4%
VPM
3
Vanguard Portfolio Management
Pennsylvania
$109M +$96.9M +19,336 New
Arrowstreet Capital
4
Arrowstreet Capital
Massachusetts
$69.7M +$43.5M +8,683 +238%
VCM
5
Vanguard Capital Management
Pennsylvania
$61.8M +$54.8M +10,939 New
AQR Capital Management
6
AQR Capital Management
Connecticut
$44M +$15M +2,998 +63%
PMG
7
Private Management Group
California
$42.5M -$11.1M -2,205 -23%
American Century Companies
8
American Century Companies
Missouri
$42.1M +$4.94M +985 +15%
WCM
9
Wallace Capital Management
Texas
$41.8M -$1.59M -317 -4%
Charles Schwab
10
Charles Schwab
California
$34.1M -$762K -152 -2%
KBG
11
Kahn Brothers Group
New York
$33.2M -$7.09M -1,414 -19%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$27.8M +$2.98M +594 +14%
Morgan Stanley
13
Morgan Stanley
New York
$26.2M +$4.01M +800 +21%
State Street
14
State Street
Massachusetts
$25.9M +$10K +2 +0%
Two Sigma Investments
15
Two Sigma Investments
New York
$24.9M +$12.8M +2,557 +138%
CAMG
16
CWA Asset Management Group
Florida
$19.9M +$17.7M +3,528 New
Renaissance Technologies
17
Renaissance Technologies
New York
$18.4M -$9.27M -1,850 -36%
TLM
18
Twin Lions Management
Connecticut
$17.9M -$6.19M -1,236 -28%
Qube Research & Technologies (QRT)
19
Qube Research & Technologies (QRT)
United Kingdom
$14.4M +$2.02M +404 +19%
Barclays
20
Barclays
United Kingdom
$12.5M -$1.88M -375 -15%
Invesco
21
Invesco
Georgia
$11.3M +$2.29M +456 +30%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$10.7M +$416K +83 +5%
Citadel Advisors
23
Citadel Advisors
Florida
$10.4M +$3.72M +742 +67%
SPS
24
Susquehanna Portfolio Strategies
Pennsylvania
$9.57M +$4.6M +918 +119%
VFT
25
Vanguard Fiduciary Trust
Pennsylvania
$9.02M +$8M +1,596 New

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.