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TRN

Trinity Industries Inc

Company with tickers: TRN

CIK
99780
CUSIP
896522109
Shares Outstanding
79,505,503
13F Activity (30d)
106 filings 101 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 306
Total Value: $1,348,355,789
Total Shares: 41,900,434
Showing 1–100 of 312 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 306 13F filers · Δ vs Dec 31, 2025
Top Holder
12.7%
Jun 2023 → Mar 2026 · range 12.7% – 20.8%
−1.3 pts
Top 5
44.9%
Jun 2023 → Mar 2026 · range 44.8% – 62.9%
+0.1 pts
Top 10
62.4%
Jun 2023 → Mar 2026 · range 58.7% – 74.6%
+3.6 pts
HHI
519
Jun 2023 → Mar 2026 · range 519 – 959
Broadly held−43

Quarterly Activity

vs Dec 31, 2025
New
76
Increased
96
Decreased
76
Sold Out
41
Unchanged
58
Holder count: +35
Institutional value: +121.3%
Shares held: +81.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 312
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Holder Value (USD) % of 13F Shares Open