Trinity Industries, Inc. (TRN) Ownership

NYSE: TRNTop holders, insider trades and short interest.

TRN ownership summary

as of October 18, 2026
Institutions
98.2%
of shares outstanding
Insiders
1.23%
of shares outstanding
Shares outstanding
79.7M
Float
78.4M
shares available to trade
Short interest
9.35%
4.4M shares short
Days to cover
6.51
short interest up 6.8% vs prior month
  • Institutions 98.21%
  • Insiders 1.23%
  • Other investors 0.56%

TRN top institutional holders

20 largest
Trinity Industries, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc16.77%13.4M$336.9M+370,390 (+2.9%)June 30, 2026
2Capital Research & Mgmt Co - Division 37.22%5.8M$145.1M+234,843 (+4.3%)June 30, 2026
3Vanguard Portfolio Management, LLC7.13%5.7M$143.2M+372,223 (+7.0%)June 30, 2026
4Dimensional Fund Advisors, Inc.6.09%4.9M$122.4M+52,629 (+1.1%)June 30, 2026
5American Century Companies Inc5.42%4.3M$109.0M+715,130 (+19.8%)June 30, 2026
6State Street Corp5.18%4.1M$104.0M+245,434 (+6.3%)June 30, 2026
7Vanguard Capital Management, LLC4.49%3.6M$90.2M−5,380 (−0.2%)June 30, 2026
8The Goldman Sachs Group Inc3.19%2.5M$64.2M+920,968 (+56.7%)June 30, 2026
9Jennison Associates LLC2.93%2.3M$58.8M−110,278 (−4.5%)June 30, 2026
10Geode Capital Management, LLC2.56%2.0M$51.5M+99,002 (+5.1%)June 30, 2026
11Morgan Stanley - Brokerage Accounts2.02%1.6M$40.6M−89,279 (−5.3%)June 30, 2026
12MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1.89%1.5M$38.0M+117,035 (+8.4%)June 30, 2026
13River Road Asset Management, LLC1.74%1.4M$35.0M+1.4M (0.0%)June 30, 2026
14Charles Schwab Investment Management Inc1.54%1.2M$31.0M−93,960 (−7.1%)June 30, 2026
15Bank of America Corp1.26%1.0M$25.2M−89,378 (−8.2%)June 30, 2026
16Gamco Investors, Inc. Et Al1.22%971K$24.5M−12,400 (−1.3%)June 30, 2026
17Amvescap Plc.1.20%952K$24.0M+167,675 (+21.4%)June 30, 2026
18Northern Trust Corp1.19%947K$23.9M−98,525 (−9.4%)June 30, 2026
19Arnhold & S. Bleichroeder Advisers, LLC1.16%927K$23.4M+511,019 (+123.0%)June 30, 2026
20D. E. Shaw & Co LP1.14%907K$22.9M−73,916 (−7.5%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 5.2M shares and 8 cut 573K.

TRN top mutual fund and ETF holders

20 largest
Trinity Industries, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.95%4.7M$119.6M+1,152 (+0.0%)September 30, 2026
2Avantis US Small Cap Value ETF5.32%4.2M$106.9M+5,976 (+0.1%)September 30, 2026
3American Funds Capital Inc Bldr A3.32%2.6M$66.7M—September 30, 2026
4Vanguard MStar Total Stk Mkt Idx Invest3.18%2.5M$63.8M−3,570 (−0.1%)August 31, 2026
5iShares Russell 2000 ETF2.63%2.1M$52.9M−24,192 (−1.1%)September 30, 2026
6American Funds SMALLCAP World A2.48%2.0M$49.9M−535,936 (−21.3%)September 30, 2026
7Vanguard Small Cap Index2.25%1.8M$45.2M−33,992 (−1.9%)September 30, 2026
8Global X US Infrastructure Dev ETF1.50%1.2M$30.1M+8,460 (+0.7%)September 30, 2026
9Vanguard MStar Small Cap Value Index1.47%1.2M$29.4M+5,435 (+0.5%)September 30, 2026
10DFA US Small Cap Value I1.32%1.1M$26.5M+54,455 (+5.5%)August 31, 2026
11PGIM Jennison Small Company A1.26%1.0M$25.3M—September 30, 2026
12Fidelity Small Cap Index1.11%884K$22.3M+7,128 (+0.8%)July 31, 2026
13Invesco High Yield Eq Div Achiev™ ETF0.96%761K$19.2M—September 30, 2026
14State Street SPDR Port S&P 600 Sm CpETF0.91%723K$18.2M—September 30, 2026
15Stt Strt SPDR S&P Glbl DivAristETF0.86%689K$17.4M+23,748 (+3.6%)September 30, 2026
16DFA US Targeted Value I0.85%676K$17.1M+6,706 (+1.0%)August 31, 2026
17iShares S&P Small-Cap 600 Value ETF0.85%674K$17.0M—September 30, 2026
181290 VT GAMCO Small Company Value IB0.76%608K$15.3M—August 31, 2026
19Dimensional US Targeted Value ETF0.74%588K$14.8M+120 (+0.0%)September 30, 2026
20Vanguard Tax-Managed Small Cap Adm0.66%525K$13.2M—September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

TRN insider transactions

latest 8
Trinity Industries, Inc. insider transactions
DateNameTransactionPriceSharesValue
2025-06-17Lisa C. McClainSell$25.85——
2025-06-11Lisa C. McClainBuy$26.50——
2025-03-03Gregory B MitchellSell$31.029,286$288,052
2024-05-02Eric R MarchettoSell$30.008,816$264,480
2024-03-27Eric R MarchettoSell$28.009,781$273,868
2023-12-13Eric R MarchettoSell$27.0011,863$320,301
2023-11-08Gregory B MitchellSell$23.1712,536$290,459
2023-09-28Eric R MarchettoSell$25.0011,765$294,125

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

TRN shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns TRN

Institutional investors own 98.2% of Trinity Industries's shares and insiders 1.23%. The largest holder is BlackRock Inc with 16.77% of the shares (13.4M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 9.35% of the float, or 6.51 days of average trading volume. The share count fell 47.5% since 2014.

Related: TRN analyst forecast, TRN key metrics, TRN dividend history. See the TRN stock overview for the latest quote and news.

TRN ownership FAQ

Who owns the most Trinity Industries stock?

The largest shareholders of Trinity Industries are BlackRock Inc (16.77%), Capital Research & Mgmt Co - Division 3 (7.22%), Vanguard Portfolio Management, LLC (7.13%), Dimensional Fund Advisors, Inc. (6.09%), American Century Companies Inc (5.42%).

What percentage of Trinity Industries is owned by institutions?

Institutions hold 98.2% of Trinity Industries's shares outstanding; insiders hold 1.23%.

Which funds own Trinity Industries?

The largest fund holders of Trinity Industries are iShares Core S&P Small-Cap ETF (5.95%), Avantis US Small Cap Value ETF (5.32%), American Funds Capital Inc Bldr A (3.32%), Vanguard MStar Total Stk Mkt Idx Invest (3.18%), iShares Russell 2000 ETF (2.63%).

What is Trinity Industries's short interest?

4.4M shares of Trinity Industries were sold short, 9.35% of the float; at the average daily volume it would take 6.51 days to cover.

Are insiders buying or selling Trinity Industries?

Of the latest 8 reported insider transactions in Trinity Industries (since September 28, 2023), 1 were purchases and 7 were sales.

How many shares of Trinity Industries are outstanding?

Trinity Industries has 79.7M shares outstanding, of which 78.4M are in the public float.

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