Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in KEX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.3M | $701.2M | -5.2% | 9.842% | 0.01% |
| 2 | GOLDMAN SACHS GROUP INC | 2.8M | $375.8M | +8.3% | 5.274% | 0.04% |
| 3 | MORGAN STANLEY | 2.7M | $354.8M | -4.1% | 4.980% | 0.02% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | $353.6M | — | 4.963% | 0.02% |
| 5 | DIMENSIONAL FUND ADVISORS LP | 2.6M | $347.8M | +5.3% | 4.882% | 0.07% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $319.9M | — | 4.490% | 0.01% |
| 7 | Neuberger Berman Group LLC | 1.7M | $230.6M | -20.1% | 3.236% | 0.18% |
| 8 | STATE STREET CORP | 1.6M | $217.8M | +2.5% | 3.057% | 0.01% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 1.6M | $209.4M | -18.5% | 2.938% | 0.04% |
| 10 | KING LUTHER CAPITAL MANAGEMENT CORP | 1.6M | $207.4M | -3.5% | 2.911% | 0.90% |
| 11 | FIRST TRUST ADVISORS LP | 1.4M | $186.7M | -37.8% | 2.620% | 0.13% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1.0M | $135.8M | +4.6% | 1.906% | 0.01% |
| 13 | AMERICAN CENTURY COMPANIES INC | 929K | $123.4M | +39.6% | 1.732% | 0.06% |
| 14 | ALLIANCEBERNSTEIN L.P. | 1.1M | $122.9M | -25.4% | 2.081% | 0.04% |
| 15 | FMR LLC | 795K | $105.6M | +68.3% | 1.482% | 0.01% |
| 16 | JENNISON ASSOCIATES LLC | 758K | $100.7M | +3.3% | 1.414% | 0.07% |
| 17 | AMERIPRISE FINANCIAL INC | 731K | $97.2M | +47.8% | 1.364% | 0.02% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 698K | $92.7M | +4.7% | 1.301% | 0.01% |
| 19 | FRONTIER CAPITAL MANAGEMENT CO LLC | 644K | $85.6M | +384.7% | 1.202% | 0.88% |
| 20 | CITADEL ADVISORS LLC | 643K | $85.4M | +24.7% | 1.198% | 0.04% |
| 21 | CONGRESS ASSET MANAGEMENT CO /MA | 626K | $83.1M | +18.1% | 1.167% | 0.60% |
| 22 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 606K | $80.5M | -6.0% | 1.130% | 0.26% |
| 23 | AQR CAPITAL MANAGEMENT LLC | 534K | $71.0M | +36.7% | 0.996% | 0.03% |
| 24 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 523K | $69.5M | +6.8% | 0.976% | 0.12% |
| 25 | ArrowMark Colorado Holdings LLC | 471K | $62.5M | -22.8% | 0.877% | 1.66% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in KEX — a direct measure of their conviction.
Filings activity in KEX during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 425 | +4.9% | 88.12% | +12.24 pp | $6.78B | +16% |
| Q4 2025 | 405 | +4.4% | 75.88% | +17.64 pp | $5.84B | +30% |
| Q3 2025 | 388 | 3.5% | 58.24% | 24.44 pp | $4.48B | 30% |
| Q2 2025 | 402 | 0.7% | 82.68% | +12.59 pp | $6.36B | +18% |
| Q1 2025 | 405 | 4.0% | 70.09% | 4.42 pp | $5.39B | 5.9% |
| Q4 2024 | 422 | +5.8% | 74.51% | 9.52 pp | $5.73B | 11% |
| Q3 2024 | 399 | +0.8% | 84.03% | 19.78 pp | $6.46B | 19% |
| Q2 2024 | 396 | — | 103.81% | — | $7.98B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying KEX stock.
Based on Q1 2026 13F filings, institutional ownership of Kirby Corporation stands at 88.1%, held across 425 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of KEX, with approximately 5,277,159 shares worth $0.70B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of KEX, including CITADEL ADVISORS LLC.
Our composite Smart Money Score for KEX is 61 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
85 institutions opened new positions in KEX during Q1 2026, while 65 fully exited. 279 added to existing positions and 61 trimmed.
KEX institutional ownership rose by 12.24 percentage points quarter-over-quarter, with a net change of +20 holders.
The top 10 institutions account for 49.0% of all reported 13F value in KEX, and the top 25 account for 71.1%.
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.
Kirby Corporation (KEX) Institutional Ownership