Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in GATX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 5.4M | $961.7M | 0.0% | 15.287% | 0.66% |
| 2 | BlackRock, Inc. | 4.6M | $823.1M | +3.4% | 13.084% | 0.01% |
| 3 | EARNEST PARTNERS LLC | 2.6M | $453.0M | -2.2% | 7.201% | 1.63% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | $363.2M | +1.7% | 5.774% | 0.02% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | $283.3M | +1.2% | 4.503% | 0.01% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 1.5M | $270.3M | +3.7% | 4.297% | 0.05% |
| 7 | AMERICAN CENTURY COMPANIES INC | 1.4M | $247.3M | +10.6% | 3.931% | 0.11% |
| 8 | STATE STREET CORP | 1.4M | $245.7M | +5.0% | 3.905% | 0.00% |
| 9 | GAMCO INVESTORS, INC. ET AL | 1.1M | $186.9M | -4.2% | 2.971% | 1.68% |
| 10 | BANK OF AMERICA CORP /DE/ | 1.0M | $178.0M | -0.1% | 2.830% | 0.01% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 963K | $170.7M | +5.3% | 2.714% | 0.01% |
| 12 | GABELLI FUNDS LLC | 811K | $143.7M | -4.1% | 2.285% | 0.92% |
| 13 | SEI INVESTMENTS CO | 761K | $134.9M | -0.3% | 2.145% | 0.12% |
| 14 | WELLINGTON MANAGEMENT GROUP LLP | 680K | $120.4M | -19.4% | 1.914% | 0.02% |
| 15 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 643K | $113.9M | +7.6% | 1.811% | 1.01% |
| 16 | NORTHERN TRUST CORP | 625K | $110.7M | +2.6% | 1.759% | 0.01% |
| 17 | ALLIANCEBERNSTEIN L.P. | 581K | $99.3M | +0.2% | 1.638% | 0.03% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 416K | $73.8M | -2.0% | 1.172% | 0.01% |
| 19 | FMR LLC | 398K | $70.5M | -27.4% | 1.120% | 0.00% |
| 20 | NORGES BANK | 372K | $66.0M | — | 1.049% | 0.01% |
| 21 | MORGAN STANLEY | 339K | $60.1M | +7.4% | 0.956% | 0.00% |
| 22 | Ensign Peak Advisors, Inc | 309K | $54.7M | -1.0% | 0.870% | 0.09% |
| 23 | Bank of New York Mellon Corp | 289K | $51.2M | -3.1% | 0.814% | 0.01% |
| 24 | Invesco Ltd. | 285K | $50.5M | +178.3% | 0.802% | 0.00% |
| 25 | Capital International Investors | 251K | $44.5M | — | 0.707% | 0.01% |
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 GATX — a direct measure of their conviction.
Filings activity in GATX during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new GATX position in Q2 2026
Institutions that fully closed their GATX position in Q2 2026
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 408 | +3.6% | 102.29% | +2.45 pp | $6.33B | +6.5% |
| Q1 2026 | 394 | +2.1% | 99.84% | 100.15 pp | $5.95B | 0.4% |
| Q4 2025 | 386 | +2.9% | 199.99% | +2.85 pp | $5.97B | 3.4% |
| Q3 2025 | 375 | +5.9% | 197.14% | 2.35 pp | $6.18B | +13% |
| Q2 2025 | 354 | 1.7% | 199.49% | +2.19 pp | $5.46B | +1.7% |
| Q1 2025 | 360 | +4.3% | 197.30% | 2.44 pp | $5.37B | 1.8% |
| Q4 2024 | 345 | +9.2% | 199.74% | +5.50 pp | $5.46B | +21% |
| Q3 2024 | 316 | — | 194.24% | — | $4.53B | — |
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 GATX stock.
Based on Q2 2026 13F filings, institutional ownership of GATX Corporation stands at 102.3%, held across 408 reporting institutions.
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO is the largest reported institutional holder of GATX, with approximately 5,427,338 shares worth $0.96B as of Q2 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of GATX.
Our composite Smart Money Score for GATX is 48 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
40 institutions opened new positions in GATX during Q2 2026, while 33 fully exited. 271 added to existing positions and 82 trimmed.
GATX institutional ownership rose by 2.45 percentage points quarter-over-quarter, with a net change of +14 holders.
The top 10 institutions account for 63.4% of all reported 13F value in GATX, and the top 25 account for 84.9%.
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.
GATX Corporation (GATX) Institutional Ownership