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Greenbrier Companies GBX

US equityMarket cap rank #3090
$40.53 −$0.05 (-0.12%)
Market closed · Oct 6, 4:30 am ET · Last extended-hours $40.75 +0.54%
Open$40.55
Prev close$40.58
Day range$39.76 – $41.08
Volume323.6K
Market cap$1.25B
P/E (TTM)12.0
Dividend yield3.21%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership106.1%-0.13 pts vs. prior quarter
Institutions holding317-2 vs. prior quarter
Insider trades (recent)30 buys / 20 sellsNet buying
Short interest9.41% of floatDays to cover 7.2 · as of 15 Sep 2026
Short-sale volume share31.1%5-day average of daily volume

Short-sale volume as % of daily volume

13%21%29%37%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$5.03M (6 inflow days, 14 outflow days).

The five largest holders on file together own 41.3% of shares outstanding.

Largest holders

  • BlackRock16.12%
  • Vanguard Portfolio Management, LLC6.86%
  • Dimensional Fund Advisors6.49%
  • The Toronto-Dominion Bank6.17%
  • American Century Investment Management5.71%
  • Vanguard Capital Management, LLC4.98%
  • State Street Global Advisors4.01%
  • Mirae Asset Global Investments Co., Ltd2.61%

By investor type

  • Mutual Fund81.23%
  • Hedge Fund9.93%
  • Public Company9.24%
  • VC/PE Fund2.55%
  • Individual/Insider2.32%
  • Government Pension Fund1.08%
  • Private Company0.97%
  • Family Office/Trust0.48%

Reported short interest has fallen from 9.95% to 9.41% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 2,912,513 9.4% 7.2
31 Aug 2026 2,949,786 9.5% 10.8
14 Aug 2026 2,836,520 9.2% 7.7
31 Jul 2026 2,856,783 9.2% 6.5
15 Jul 2026 3,124,285 10.1% 4.1
30 Jun 2026 3,077,392 9.9% 6.4

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