362 tracked 13F filers disclose a position in GATX as of the latest SEC 13F filings, a combined $5.9B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | $926.7M | 5.4M | —Held | Q1 2026 | |
| 2 | BlackRock, Inc. | $767.2M | 4.5M | ▲+3.1% Added · +137K sh | Q1 2026 | |
| 3 | EARNEST PARTNERS LLC | $453.0M | 2.6M | ▼−2.2% Reduced · −59K sh | Q2 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $344.1M | 2.0M | →First observed position No prior filed position | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $269.7M | 1.6M | →First observed position No prior filed position | Q1 2026 | |
| 6 | DIMENSIONAL FUND ADVISORS LP | $251.1M | 1.5M | ▼−0.8% Reduced · −11K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $245.7M | 1.4M | ▲+5.0% Added · +66K sh | Q2 2026 | |
| 8 | AMERICAN CENTURY COMPANIES INC | $215.4M | 1.3M | ▼−1.3% Reduced · −17K sh | Q1 2026 | |
| 9 | GAMCO INVESTORS, INC. ET AL | $188.0M | 1.1M | ▼−8.1% Reduced · −97K sh | Q1 2026 | |
| 10 | BANK OF AMERICA CORP /DE/ | $171.7M | 1.0M | ▲+0.8% Added · +8K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $170.7M | 963K | ▲+5.2% Added · +48K sh | Q2 2026 | |
| 12 | GABELLI FUNDS LLC | $144.4M | 845K | ▼−7.5% Reduced · −68K sh | Q1 2026 | |
| 13 | SEI INVESTMENTS CO | $130.5M | 764K | ▼−0.7% Reduced · −5K sh | Q1 2026 | |
| 14 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | $113.9M | 643K | ▲+7.6% Added · +45K sh | Q2 2026 | |
| 15 | NORTHERN TRUST CORP | $104.0M | 609K | ▲+1.7% Added · +10K sh | Q1 2026 | |
| 16 | ALLIANCEBERNSTEIN L.P. | $98.4M | 580K | ▼−5.2% Reduced · −32K sh | Q1 2026 | |
| 17 | FMR LLC | $93.5M | 548K | ▲+60% Added · +206K sh | Q1 2026 | |
| 18 | NORGES BANK | $86.2M | 508K | ▲+33% Added · +127K sh | Q4 2025 | |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $72.5M | 425K | ▼−0.9% Reduced · −4K sh | Q1 2026 | |
| 20 | MORGAN STANLEY | $53.9M | 316K | ▲+2.9% Added · +9K sh | Q1 2026 | |
| 21 | Ensign Peak Advisors, Inc | $54.7M | 309K | ▼−1.0% Reduced · −3K sh | Q2 2026 | |
| 22 | Bank of New York Mellon Corp | $50.9M | 298K | ▼−1.1% Reduced · −3K sh | Q1 2026 | |
| 23 | VANGUARD FIDUCIARY TRUST CO | $39.7M | 233K | →First observed position No prior filed position | Q1 2026 | |
| 24 | AMERIPRISE FINANCIAL INC | $38.1M | 223K | ▼−1.5% Reduced · −3K sh | Q1 2026 | |
| 25 | GOLDMAN SACHS GROUP INC | $35.3M | 207K | ▼−17% Reduced · −43K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 1 fund opened a new position in GATX and 23 added to an existing one, while 20 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 206 funds | $237.9B |
| NVIDIA CORPNVDA | 204 funds | $344.2B |
| AMAZON.COM INCAMZN | 201 funds | $175.0B |
| APPLE INCAAPL | 200 funds | $257.0B |
| JPMORGAN CHASE & COJPM | 199 funds | $53.8B |
| ALPHABET INC-CL AGOOGL | 198 funds | $142.6B |
| META PLATFORMS INC-CLASS AMETA | 197 funds | $99.6B |
| ELI LILLY & COLLY | 197 funds | $68.1B |
| BROADCOM INCAVGO | 195 funds | $137.7B |
| COSTCO WHOLESALE CORPCOST | 195 funds | $33.0B |
| CISCO SYSTEMS INCCSCO | 194 funds | $28.4B |
| CHEVRON CORPCVX | 194 funds | $26.3B |
Ranked by how many of GATX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 26, 2026 | Doygun Eren | SVP Chief Plan. & Invest. Off. | Sell (S) | 1K | $180K |
| Aug 14, 2026 | Sbragia John | SVP, Engineering and Quality | Sell (S) | 2K | $343K |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell (S) | 9K | $1.7M |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell (S) | 9K | $1.6M |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell (S) | 107 | $19K |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell (S) | 1K | $248K |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell (S) | 328 | $59K |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Sell (S) | 3K | $509K |
| Feb 20, 2026 | Zmudka Robert | Sr. VP & Chief Comm. Off. | Sell (S) | 5K | $1.0M |
| Feb 20, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Sell (S) | 1K | $223K |
| Feb 20, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Sell (S) | 874 | $174K |
| Dec 10, 2025 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell (S) | 2K | $262K |
Connected entities for GATX
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/GATX/capital-change-brief"
Use Arkolith's capital_change_brief for GATX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GATX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.