# GATX CORP COM

GATX CORP COM is a security (CUSIP 361448103) tracked across SEC portfolio filings. 410 institutional managers reported $5.9B on Form 13F as of 2026-06-30; 38 registered fund positions totaling $657.5M via N-PORT as of 2026-05-31.

## Summary

- Issuer: GATX CORP
- Class: COM
- CUSIP: 361448103
- Asset category: EC
- 13F holders: 410
- 13F value: $5.9B
- 13F period: 2026-06-30
- N-PORT fund positions: 38
- N-PORT value: $657.5M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 410 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | BLOOMINGTON, IL | $926.7M | 5,427,338 |
| BlackRock, Inc. | New York, NY | $767.2M | 4,493,484 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $650.9M | 3,837,799 |
| [EARNEST PARTNERS LLC](https://search.stillhousedata.com/firm/107926) | ATLANTA, GA | $446.5M | 2,615,231 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $251.1M | 1,470,483 |
| STATE STREET CORP | BOSTON, MA | $225.4M | 1,320,026 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $215.4M | 1,261,370 |
| [GAMCO INVESTORS, INC. ET AL](https://search.stillhousedata.com/firm/104950) | GREENWICH, CT | $188.0M | 1,100,973 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $171.7M | 1,005,419 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $156.3M | 915,380 |
| [GABELLI FUNDS LLC](https://search.stillhousedata.com/firm/104949) | RYE, NY | $144.4M | 845,450 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $143.9M | 842,932 |
| SEI INVESTMENTS CO | OAKS, PA | $130.5M | 764,042 |
| [VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.](https://search.stillhousedata.com/firm/106975) | HOUSTON, TX | $113.9M | 642,900 |
| NORTHERN TRUST CORP | CHICAGO, IL | $104.0M | 608,922 |

## Top fund holders (N-PORT)

_Showing 15 of 38 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $183.8M | 75.88% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $109.7M | 50.40% |
| Gabelli Dividend & Income Trust | Gabelli Dividend & Income Trust | $81.6M | 307.79% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $68.1M | 8.35% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $41.0M | 236.90% |
| [The Gabelli Asset Fund](https://search.stillhousedata.com/fund/S000001087) | Gabelli Asset Fund | $34.7M | 220.95% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $31.2M | 17.80% |
| [The Gabelli Utilities Fund](https://search.stillhousedata.com/fund/S000001075) | Gabelli Utilities Fund | $26.0M | 146.50% |
| [Value Line Small Cap Opportunities Fund, Inc.](https://search.stillhousedata.com/fund/S000007569) | Value Line Small Cap Opportunities Fund, Inc. | $23.4M | 300.98% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $10.0M | 20.66% |
| [State Farm Balanced Fund](https://search.stillhousedata.com/fund/S000002056) | State Farm Associates Funds Trust | $6.7M | 27.83% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $6.3M | 20.73% |
| Gabelli Utility Trust | Gabelli Utility Trust | $5.4M | 184.95% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $4.3M | 16.97% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $3.4M | 0.58% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/361448103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.