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GBX · Greenbrier Companies Inc

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Market Cap
$1.33B
Shares
30.94M

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: 273
Total Value: $1,586,803,705
Total Shares: 32,377,145
Showing 1–100 of 277 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 273 13F filers · Δ vs Mar 31, 2026
Top Holder
15.4%
Sep 2023 → Jun 2026 · range 15.4% – 17.9%
−0.9 pts
Top 5
39.5%
Sep 2023 → Jun 2026 · range 39.5% – 47.6%
−1.2 pts
Top 10
54.8%
Sep 2023 → Jun 2026 · range 52.5% – 61.4%
−1.4 pts
HHI
478
Sep 2023 → Jun 2026 · range 478 – 648
Broadly held−35

Quarterly Activity

vs Mar 31, 2026
New
44
Increased
87
Decreased
86
Sold Out
34
Unchanged
56
Holder count: +10
Institutional value: -3.4%
Shares held: +3.8%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 277
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 923120 CUSIP 393657101 13F (30d) 222 filings 210 filers Visit website Investor relations