GATX CORP (GATX) Institutional Shareholders
GATX CORP (GATX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.94B in GATX holdings during the latest filing period.
State Farm Mutual Automobile Insurance Co is currently the largest disclosed institutional shareholder of GATX tracked by InsiderSet, reporting ownership valued at approximately $926.66M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $970.79M, representing an estimated gain of +4.76% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 64% of the total disclosed GATX value among the investors covered in this analysis. Major shareholders include State Farm Mutual Automobile Insurance Co, Blackrock, Inc., Earnest Partners Llc, and several other long-term asset managers with concentrated positions in GATX CORP (GATX).
This page ranks the largest institutional GATX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
389
Total Reported Value
$5.94B
Largest Holder
State Farm Mutual Automobile Insurance Co
Largest Position
$926.66M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
54
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| State Farm Mutual Automobile Insurance Co | 0.73% | 5,427,338 | $926,663,690 | $970,787,948 | +$44,124,258 | +4.76% | |
| Blackrock, Inc. | 0.01% | 4,493,484 | $767,217,404 | $803,749,483 | +$36,532,079 | +4.76% | |
| Earnest Partners Llc | 1.84% | 2,615,231 | $446,524,541 | $467,786,369 | +$21,261,828 | +4.76% | |
| Vanguard Portfolio Management Llc | 0.02% | 2,015,452 | $344,118,274 | $360,503,899 | +$16,385,625 | +4.76% | |
| Vanguard Capital Management Llc | 0.01% | 1,579,456 | $269,676,317 | $282,517,295 | +$12,840,978 | +4.76% | |
| Dimensional Fund Advisors Lp | 0.05% | 1,470,483 | $251,061,772 | $263,025,294 | +$11,963,522 | +4.77% | |
| State Street Corp | 0.01% | 1,320,026 | $225,381,239 | $236,113,051 | +$10,731,812 | +4.76% | |
| American Century Companies Inc | 0.11% | 1,261,370 | $215,366,338 | $225,621,252 | +$10,254,914 | +4.76% | |
| Gamco Investors, Inc. Et Al | 1.85% | 1,100,973 | $187,980,130 | $196,931,041 | +$8,950,911 | +4.76% | |
| Bank Of America Corp | 0.01% | 1,005,419 | $171,665,255 | $179,839,297 | +$8,174,042 | +4.76% | |
| Geode Capital Management, Llc | 0.01% | 915,380 | $156,320,256 | $163,734,021 | +$7,413,765 | +4.74% | |
| Gabelli Funds Llc | 0.98% | 845,450 | $144,352,133 | $151,225,642 | +$6,873,509 | +4.76% | |
| Wellington Management Group Llp | 0.03% | 842,932 | $143,922,209 | $150,775,247 | +$6,853,038 | +4.76% | |
| Sei Investments Co | 0.12% | 764,042 | $130,452,552 | $136,664,193 | +$6,211,641 | +4.76% | |
| Vaughan Nelson Investment Management, L.P. | 1.01% | 642,900 | $113,915,451 | $114,995,523 | +$1,080,072 | +0.95% | |
| Northern Trust Corp | 0.01% | 608,922 | $103,967,342 | $108,917,878 | +$4,950,536 | +4.76% | |
| Alliancebernstein L.P. | 0.03% | 580,189 | $98,400,054 | $103,778,406 | +$5,378,352 | +5.47% | |
| Fmr Llc | 0.00% | 547,679 | $93,510,725 | $97,963,343 | +$4,452,618 | +4.76% | |
| Charles Schwab Investment Management Inc | 0.01% | 424,741 | $72,520,278 | $75,973,423 | +$3,453,145 | +4.76% | |
| Morgan Stanley | 0.00% | 315,820 | $53,923,314 | $56,490,723 | +$2,567,409 | +4.76% | |
| Ensign Peak Advisors, Inc | 0.10% | 311,956 | $53,263,367 | $55,799,570 | +$2,536,203 | +4.76% | |
| Bank Of New York Mellon Corp | 0.01% | 298,194 | $50,913,707 | $53,337,961 | +$2,424,254 | +4.76% | |
| Vanguard Fiduciary Trust Co | 0.01% | 232,783 | $39,745,369 | $41,637,895 | +$1,892,526 | +4.76% | |
| Ameriprise Financial Inc | 0.01% | 223,075 | $38,087,847 | $39,901,425 | +$1,813,578 | +4.76% | |
| Goldman Sachs Group Inc | 0.00% | 206,925 | $35,330,308 | $37,012,675 | +$1,682,367 | +4.76% | |
| New York State Common Retirement Fund | 0.04% | 176,422 | $31,260,214 | $31,556,603 | +$296,389 | +0.95% | |
| Envestnet Asset Management Inc | 0.01% | 176,377 | $31,252,175 | $31,548,554 | +$296,379 | +0.95% | |
| Tudor Investment Corp Et Al | 0.17% | 181,928 | $31,062,387 | $32,541,461 | +$1,479,074 | +4.76% | |
| Proshare Advisors Llc | 0.05% | 180,520 | $30,821,984 | $32,289,612 | +$1,467,628 | +4.76% | |
| Jones Financial Companies Lllp | 0.01% | 172,785 | $28,959,058 | $30,906,053 | +$1,946,995 | +6.72% | |
| Eulav Asset Management | 0.78% | 138,751 | $24,585,290 | $24,818,391 | +$233,101 | +0.95% | |
| Janus Henderson Group Plc | 0.01% | 143,133 | $24,439,352 | $25,602,200 | +$1,162,848 | +4.76% | |
| Wells Fargo & Company/Mn | 0.00% | 127,774 | $21,816,165 | $22,854,935 | +$1,038,770 | +4.76% | |
| Walleye Capital Llc | 0.10% | 122,415 | $21,690,714 | $21,896,371 | +$205,657 | +0.95% | |
| Ubs Group Ag | 0.00% | 120,672 | $20,603,538 | $21,584,601 | +$981,063 | +4.76% | |
| Rhumbline Advisers | 0.02% | 108,152 | $18,465,836 | $19,345,148 | +$879,312 | +4.76% | |
| Loomis Sayles & Co L P | 0.02% | 106,845 | $18,242,715 | $19,111,365 | +$868,650 | +4.76% | |
| Nuveen, Llc | 0.00% | 106,647 | $18,208,909 | $19,075,949 | +$867,040 | +4.76% | |
| Invesco Ltd. | 0.00% | 102,321 | $17,470,288 | $18,302,157 | +$831,869 | +4.76% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 89,510 | $15,282,936 | $16,010,654 | +$727,718 | +4.76% | |
| Retirement Systems Of Alabama | 0.05% | 85,497 | $15,149,213 | $15,292,848 | +$143,635 | +0.95% | |
| Harbor Island Capital Llc | 3.93% | 83,396 | $14,776,937 | $14,917,043 | +$140,106 | +0.95% | |
| Principal Financial Group Inc | 0.01% | 80,328 | $13,715,202 | $14,368,269 | +$653,067 | +4.76% | |
| First Trust Advisors Lp | 0.01% | 69,234 | $11,821,013 | $12,383,886 | +$562,873 | +4.76% | |
| Hodges Capital Management Inc. | 0.77% | 65,491 | $11,604,385 | $11,714,375 | +$109,990 | +0.95% | |
| Clearbridge Investments, Llc | 0.01% | 67,596 | $11,541,339 | $12,090,897 | +$549,558 | +4.76% | |
| Swiss National Bank | 0.01% | 67,100 | $11,456,654 | $12,002,177 | +$545,523 | +4.76% | |
| Citigroup Inc | 0.00% | 52,298 | $9,266,683 | $9,354,543 | +$87,860 | +0.95% | |
| California Public Employees Retirement System | 0.01% | 53,738 | $9,175,226 | $9,612,116 | +$436,890 | +4.76% | |
| Philadelphia Financial Management Of San Francisco, Llc | 2.78% | 50,811 | $8,675,470 | $9,088,564 | +$413,094 | +4.76% |
Frequently asked questions about GATX
Who owns the most GATX stock?
The largest holders of GATX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GATX CORP (GATX).
Is GATX widely held by superinvestors?
Many widely followed stocks like GATX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GATX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.