GATX Corporation
GATX Corporation (GATX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · GATX · as of Mar 31, 2025
Ownership Breakdown
371
Institutional Holders
▲ 19 vs Q4
$5.60B
Total Inst. Value
▼ $23.50M vs Q4
35.50M
Shares Outstanding
freeFloat 98.80%
36.07M
13F Shares Held
▼ 253,526 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
GATX largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO transportation services | 5.56M | 15.49% | 15.49% | $863.25B | May 13, 2025 | ▼ 64.1K |
BLACKROCK, INC. transportation services | 4.46M | 12.43% | 12.43% | $692.75B | May 2, 2025 | ▼ 46.3K |
VANGUARD GROUP INC transportation services | 3.89M | 10.83% | 10.83% | $603.74B | May 9, 2025 | ▼ 61.6K |
EARNEST PARTNERS LLC transportation services | 3.09M | 8.59% | 8.59% | $479.05B | May 14, 2025 | ▼ 28.3K |
DIMENSIONAL FUND ADVISORS LP transportation services | 1.82M | 5.06% | 5.06% | $282.20B | May 13, 2025 | ▼ 147.0K |
STATE STREET CORP transportation services | 1.34M | 3.74% | 3.74% | $208.46B | May 15, 2025 | ▼ 1.6K |
GAMCO INVESTORS, INC. ET AL transportation services | 1.30M | 3.62% | 3.62% | $201.93B | May 14, 2025 | ▼ 20.8K |
BANK OF AMERICA CORP /DE/ transportation services | 1.21M | 3.38% | 3.38% | $188.44B | May 15, 2025 | ▲ 21.8K |
AMERICAN CENTURY COMPANIES INC transportation services | 1.09M | 3.04% | 3.04% | $169.72B | May 13, 2025 | ▼ 6.4K |
WELLINGTON MANAGEMENT GROUP LLP transportation services | 1.02M | 2.83% | 2.83% | $157.75B | May 13, 2025 | ▼ 5.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
21
Increased
+436.0K shares1
New Positions
first time holders28
Decreased
−887.0K shares0
Sold Out
fully exitedNet shares change (top 50)
451.0K
+436.0K / −887.0K
Net new holders
-6
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
GATX insider trading · insider activity
Source: SEC Form 4
28
Buy transactions
15
Sell transactions
1.87
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Holmes John McClain III director | May 1, 2026 | Award | 129 | $194.92 | $25.1K | 4.3K | Form 4 ↗ |
Bausch Shelley J director | May 1, 2026 | Award | 128 | $194.92 | $24.9K | 4.2K | Form 4 ↗ |
WETHERBEE ROBERT S director | May 1, 2026 | Award | 115 | $194.92 | $22.4K | 1.5K | Form 4 ↗ |
YOVOVICH PAUL G director | May 1, 2026 | Award | 136 | $194.92 | $26.5K | 42.3K | Form 4 ↗ |
REAM JAMES B director | May 1, 2026 | Award | 169 | $194.92 | $32.9K | 49.3K | Form 4 ↗ |
Aigotti Diane director | May 1, 2026 | Award | 71 | $194.92 | $13.8K | 19.8K | Form 4 ↗ |
Stanley Adam L. director | May 1, 2026 | Award | 30 | $194.92 | $5.8K | 9.4K | Form 4 ↗ |
Arvia Anne L director | May 1, 2026 | Award | 124 | $194.92 | $24.2K | 34.2K | Form 4 ↗ |
Aigotti Diane director | Apr 24, 2026 | Award | 731 | — | — | 19.8K | Form 4 ↗ |
Stanley Adam L. director | Apr 24, 2026 | Award | 731 | — | — | 9.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
GATX Corporation (GATX) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 1.20%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of GATX Corporation is STATE FARM MUTUAL AUTOMOBILE INSURANCE CO, holding approximately 5.56 million shares — equal to 15.49% of outstanding shares — as of March 31, 2025.
A total of 371 institutional investors currently hold GATX stock, with a combined institutional value of approximately $5.60 billion as of the most recent 13F filing period.
Frequently asked questions
GATX ownershipGATX Corporation (GATX) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is STATE FARM MUTUAL AUTOMOBILE INSURANCE CO with a 15.49% stake. Company insiders hold 1.20%. Data sourced from SEC Form 13F as of March 31, 2025.