Among active 13F managers last quarter, 5 opened and 21 added, while 18 reduced; the largest holder to move was American Century Companies Inc (+12%). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
303 tracked 13F filers disclose a position in TRN as of the latest SEC 13F filings, a combined $2.2B 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 13.4M | $461.9M | ▲+2.9% Added · +370K sh | Q2 2026 | |
| 2 | Vanguard Portfolio Management LLC | 5.7M | $196.3M | ▲+7.0% Added · +372K sh | Q2 2026 | |
| 3 | Dimensional Fund Advisors LP | 4.8M | $154.5M | ▲+1.7% Added · +81K sh | Q1 2026 | |
| 4 | State Street Corp | 4.1M | $142.6M | ▲+6.3% Added · +245K sh | Q2 2026 | |
| 5 | American Century Companies Inc | 3.6M | $116.0M | ▲+12% Added · +397K sh | Q1 2026 | |
| 6 | Vanguard Capital Management LLC | 3.6M | $123.7M | ▼−0.1% Reduced · −5K sh | Q2 2026 | |
| 7 | Jennison Associates LLC | 2.4M | $78.6M | ▼−12% Reduced · −345K sh | Q1 2026 | |
| 8 | Geode Capital Management, LLC | 2.0M | $70.7M | ▲+5.1% Added · +99K sh | Q2 2026 | |
| 9 | Morgan Stanley | 1.7M | $54.7M | ▲+29% Added · +378K sh | Q1 2026 | |
| 10 | Goldman Sachs Group Inc | 1.6M | $52.3M | ▲+40% Added · +466K sh | Q1 2026 | |
| 11 | Mirae Asset Global Etfs Holdings Ltd. | 1.4M | $44.7M | ▲+79% Added · +613K sh | Q1 2026 | |
| 12 | Charles Schwab Investment Management Inc | 1.3M | $42.6M | ▲+1.9% Added · +25K sh | Q1 2026 | |
| 13 | Bank Of America Corp | 1.1M | $35.1M | ▲+9.2% Added · +92K sh | Q1 2026 | |
| 14 | Northern Trust Corp | 1.0M | $33.6M | ▲+0.6% Added · +6K sh | Q1 2026 | |
| 15 | Gamco Investors, Inc. Et Al | 983K | $31.6M | ▼−8.3% Reduced · −89K sh | Q1 2026 | |
| 16 | D. E. Shaw & Co., Inc. | 980K | $31.6M | ▲+19% Added · +157K sh | Q1 2026 | |
| 17 | Bank of New York Mellon Corp | 886K | $28.5M | ▼−3.1% Reduced · −28K sh | Q1 2026 | |
| 18 | Bridgeway Capital Management, LLC | 570K | $19.7M | ▲+4.7% Added · +25K sh | Q2 2026 | |
| 19 | Vanguard Fiduciary Trust Co | 552K | $19.1M | ▲+2.9% Added · +16K sh | Q2 2026 | |
| 20 | Gabelli Funds LLC | 550K | $17.7M | ▼−0.8% Reduced · −4K sh | Q1 2026 | |
| 21 | UBS Group AG | 507K | $16.3M | ▲+11% Added · +52K sh | Q1 2026 | |
| 22 | TCTC Holdings, LLC | 487K | $15.7M | ▼−3.6% Reduced · −18K sh | Q1 2026 | |
| 23 | First Eagle Investment Management, LLC | 463K | $16.0M | ▲+11% Added · +48K sh | Q2 2026 | |
| 24 | Nuveen, LLC | 434K | $14.0M | ▼−19% Reduced · −103K sh | Q1 2026 | |
| 25 | Principal Financial Group Inc | 391K | $12.6M | ▲+2.1% Added · +8K 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, 5 funds opened a new position in TRN and 21 added to an existing one, while 18 reduced. 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 | Their position there |
|---|---|---|
| Amazon.com IncAMZN | 160 funds | $166.4B |
| Microsoft CorpMSFT | 159 funds | $208.8B |
| Nvidia CorpNVDA | 157 funds | $331.9B |
| Meta Platforms Inc-Class AMETA | 155 funds | $89.6B |
| Eli Lilly & CoLLY | 154 funds | $72.4B |
| Chevron CorpCVX | 154 funds | $24.7B |
| Alphabet Inc-CL AGOOGL | 153 funds | $143.8B |
| JPMorgan Chase & CoJPM | 153 funds | $49.8B |
| Apple IncAAPL | 152 funds | $239.4B |
| Alphabet Inc-CL CGOOG | 152 funds | $107.6B |
| Bank Of America CorpBAC | 151 funds | $25.5B |
| Costco Wholesale CorpCOST | 150 funds | $34.0B |
Ranked by how many of TRN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in TRN.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 3, 2025 | Mitchell Gregory B | EVP Leasing and Services | Sell (S) | 9K | $288K |
| Nov 15, 2024 | Mitchell Gregory B | EVP Leasing and Services | Sell (S) | 21K | $762K |
| May 2, 2024 | Marchetto Eric R | EVP & CFO | Sell (S) | 9K | $264K |
| Mar 27, 2024 | Marchetto Eric R | EVP & CFO | Sell (S) | 10K | $274K |
| Mar 6, 2024 | Poet Kevin | EVP Operations & Support Svcs | Sell (S) | 6K | $153K |
| Dec 13, 2023 | Marchetto Eric R | EVP & CFO | Sell (S) | 12K | $320K |
| Nov 8, 2023 | Mitchell Gregory B | EVP & Chief Commercial Officer | Sell (S) | 13K | $290K |
| Sep 28, 2023 | Marchetto Eric R | EVP & CFO | Sell (S) | 12K | $294K |
| Mar 20, 2023 | Savage Jean | President & CEO, Director | Buy (P) | 4K | $100K |
| Mar 17, 2023 | Maclin Todd | Director | Buy (P) | 5K | $95K |
| Mar 17, 2023 | Biesterfeld Robert C Jr | Director | Buy (P) | 24 | $529 |
| Mar 15, 2023 | Savage Jean | President & CEO, Director | Buy (P) | 4K | $100K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 53 | 35 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for TRN
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/TRN/capital-change-brief"
Use Arkolith's capital_change_brief for TRN. 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 TRN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.