Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SEB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DIMENSIONAL FUND ADVISORS LP | 47K | $266.2M | +4.5% | 4.916% | 0.06% |
| 2 | BlackRock, Inc. | 24K | $136.0M | +3.5% | 2.510% | 0.00% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 19K | $109.3M | β | 2.019% | 0.01% |
| 4 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 12K | $69.7M | +238.0% | 1.287% | 0.04% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 11K | $61.8M | β | 1.142% | 0.00% |
| 6 | AQR CAPITAL MANAGEMENT LLC | 8K | $44.0M | +62.5% | 0.813% | 0.02% |
| 7 | PRIVATE MANAGEMENT GROUP INC | 8K | $42.5M | -22.7% | 0.785% | 1.22% |
| 8 | AMERICAN CENTURY COMPANIES INC | 7K | $42.1M | +15.2% | 0.778% | 0.02% |
| 9 | Wallace Capital Management Inc. | 7K | $41.8M | -4.1% | 0.772% | 4.80% |
| 10 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 6K | $34.1M | -2.5% | 0.630% | 0.01% |
| 11 | KAHN BROTHERS GROUP INC /DE/ | 6K | $33.2M | -19.4% | 0.613% | 5.88% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 5K | $27.8M | +13.7% | 0.513% | 0.00% |
| 13 | MORGAN STANLEY | 5K | $26.2M | +20.9% | 0.483% | 0.00% |
| 14 | STATE STREET CORP | 5K | $25.9M | +0.0% | 0.479% | 0.00% |
| 15 | TWO SIGMA INVESTMENTS, LP | 4K | $24.9M | +138.4% | 0.460% | 0.02% |
| 16 | CWA Asset Management Group, LLC | 4K | $19.9M | β | 0.368% | 0.80% |
| 17 | RENAISSANCE TECHNOLOGIES LLC | 3K | $18.4M | -36.3% | 0.340% | 0.03% |
| 18 | Twin Lions Management LLC | 3K | $17.9M | -28.1% | 0.330% | 10.80% |
| 19 | Qube Research & Technologies Ltd | 3K | $14.4M | +18.8% | 0.267% | 0.02% |
| 20 | BARCLAYS PLC | 2K | $12.5M | -14.5% | 0.230% | 0.01% |
| 21 | Invesco Ltd. | 2K | $11.3M | +29.6% | 0.208% | 0.00% |
| 22 | Bank of New York Mellon Corp | 2K | $10.7M | +4.6% | 0.198% | 0.00% |
| 23 | CITADEL ADVISORS LLC | 2K | $10.4M | +67.1% | 0.193% | 0.00% |
| 24 | Susquehanna Portfolio Strategies, LLC | 2K | $9.6M | +118.6% | 0.177% | 0.14% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 2K | $9.0M | β | 0.167% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in SEB β a direct measure of their conviction.
Filings activity in SEB during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 202 | +3.6% | 26.38% | +7.32 pp | $1.34B | +38% |
| Q4 2025 | 195 | +13% | 19.06% | +3.73 pp | $971M | +24% |
| Q3 2025 | 173 | +11% | 15.33% | +3.38 pp | $781M | +28% |
| Q2 2025 | 156 | 2.5% | 11.95% | +0.49 pp | $609M | +4.3% |
| Q1 2025 | 160 | 1.8% | 11.46% | +1.37 pp | $584M | +14% |
| Q4 2024 | 163 | +2.5% | 10.09% | 3.09 pp | $514M | 23% |
| Q3 2024 | 159 | 7.6% | 13.18% | +0.06 pp | $671M | +0.5% |
| Q2 2024 | 172 | β | 13.12% | β | $668M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SEB stock.
Based on Q1 2026 13F filings, institutional ownership of Seaboard Corporation stands at 26.4%, held across 202 reporting institutions.
DIMENSIONAL FUND ADVISORS LP is the largest reported institutional holder of SEB, with approximately 47,087 shares worth $0.27B as of Q1 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of SEB, including TWO SIGMA INVESTMENTS, LP, RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, Susquehanna Portfolio Strategies, LLC.
Our composite Smart Money Score for SEB is 72 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
40 institutions opened new positions in SEB during Q1 2026, while 33 fully exited. 136 added to existing positions and 26 trimmed.
SEB institutional ownership rose by 7.32 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 63.1% of all reported 13F value in SEB, and the top 25 account for 83.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Seaboard Corporation (SEB) Institutional Ownership