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Green Plains Inc GPRE

US equityMarket cap rank #3194Chemicals
$15.34 +$0.18 (+1.19%)
Market closed · Oct 8, 4:20 am ET · Last extended-hours $15.34 0.00%
Open$15.20
Prev close$15.16
Day range$15.02 – $15.38
Volume969.5K
Market cap$1.08B
P/E (TTM)9.2
Dividend yield–

Ownership & positioning

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

Institutional ownership118.1%+0.57 pts vs. prior quarter
Institutions holding272+1 vs. prior quarter
Insider trades (recent)27 buys / 20 sellsNet buying
Short interest17.01% of floatDays to cover 7.2 · as of 15 Sep 2026
Short-sale volume share14.4%5-day average of daily volume

Short-sale volume as % of daily volume

9%12%15%18%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$2.92M (9 inflow days, 11 outflow days).

Net flow by order size, last 20 sessions

−$1.6MSuper−$1.3MBig−$121.8KMid−$3.0MSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 34.3% of shares outstanding.

Largest holders

  • BlackRock14.54%
  • Grantham Mayo Van Otterloo & Co. LLC5.56%
  • State Street Global Advisors5.35%
  • Vanguard Capital Management, LLC4.92%
  • Ancora Advisors LLC3.89%
  • Two Sigma Investments, LP3.64%
  • The Goldman Sachs Group, Inc.3.49%
  • BNP Paribas Financial Markets SNC3.24%

By investor type

  • Mutual Fund79.10%
  • Hedge Fund20.29%
  • Public Company9.05%
  • Private Company4.46%
  • Insurance Company1.75%
  • Individual/Insider1.67%
  • Family Office/Trust1.50%
  • Government Pension Fund1.47%

Reported short interest has fallen from 19.03% to 17.01% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
Principal Global Investors, LLC Mutual Fund 2026/Q3 +174,651 0.3%
BlackRock Mutual Fund 2026/Q3 +2,118,149 14.5%
Thomist Capital Management, LP Hedge Fund 2026/Q3 +1,270,612 1.8%
Goldman Sachs Asset Management, L.P. Mutual Fund 2026/Q3 +927,383 2.2%
State Street Global Advisors Mutual Fund 2026/Q3 +833,004 5.3%
Jupiter Fund Management Plc Mutual Fund 2026/Q3 +779,335 1.1%
UBS Asset Management Mutual Fund 2026/Q3 +754,671 1.3%
FMR Mutual Fund 2026/Q3 +626,883 0.9%
JPMorgan Chase & Co. Public Company 2026/Q3 +561,835 0.9%
D. E. Shaw & Co., L.P. Hedge Fund 2026/Q3 +486,676 2.4%
Millennium Management LLC Hedge Fund 2026/Q3 +461,873 2.2%
Tudor Investment Corporation Hedge Fund 2026/Q3 +419,657 0.8%
Norges Bank Investment Management Sovereign Wealth Fund 2026/Q3 +338,900 0.5%
Geode Capital Management, LLC Mutual Fund 2026/Q3 +317,005 3.0%
Cinctive Capital Management LP Hedge Fund 2026/Q3 +258,281 0.4%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
18 Aug 2026 Chris Osowski Executive Vice President of Operations & Technology Sale to Issuer -11,989 $16.03 226,401
18 Aug 2026 Trent Collins Officer Sale to Issuer -2,261 $16.03 44,496
4 Jun 2026 Farha Aslam Ford Independent Director Other Acquisition +9,019 $14.97 54,190
4 Jun 2026 Brian Peterson Independent Director Other Acquisition +9,019 $14.97 95,339
4 Jun 2026 Steven Furcich Director Other Acquisition +9,019 $14.97 45,355
4 Jun 2026 Carl Grassi Director Other Acquisition +9,019 $14.97 45,355
4 Jun 2026 Martin Salinas Independent Director Other Acquisition +9,019 $14.97 69,020
4 Jun 2026 James Anderson Chairperson Other Acquisition +9,019 $14.97 132,150
4 Jun 2026 Patrick Sweeney Director Other Acquisition +9,019 $14.97 51,738
4 Jun 2026 Kimberly Wagner Independent Director Other Acquisition +9,019 $14.97 61,131
14 May 2026 Imre Havasi Senior VP and Head of Trading & Commercial Operations Sale to Issuer -461 $17.14 71,000
28 Apr 2026 Trent Collins Officer Sale to Issuer -657 $17.25 46,757
19 Mar 2026 Philip Boggs Executive Vice President of Investor Relations Intent to Sell (Form 144) -65,000 $16.51 –
12 Mar 2026 Chris Osowski Executive Vice President of Operations & Technology Sale to Issuer -1,999 $15.81 238,390
12 Mar 2026 James Herbert Chief Human Resources Officer Sale to Issuer -1,845 $15.81 86,696
12 Mar 2026 Imre Havasi Senior VP and Head of Trading & Commercial Operations Sale to Issuer -1,076 $15.81 71,461
9 Mar 2026 Imre Havasi Senior VP and Head of Trading & Commercial Operations Sale to Issuer -5,760 $15.22 72,537
9 Mar 2026 Chris Osowski Executive Vice President of Operations & Technology Sale to Issuer -8,149 $15.22 240,389
9 Mar 2026 James Herbert Chief Human Resources Officer Sale to Issuer -8,149 $15.22 88,541
5 Mar 2026 Patrick Sweeney Director Open Market Acquisition +6,383 $15.87 42,719

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 11,921,238 17.0% 7.2
31 Aug 2026 13,328,194 19.0% 8.8
14 Aug 2026 12,805,268 18.3% 8.5
31 Jul 2026 13,000,266 18.6% 8.5
15 Jul 2026 13,317,802 19.0% 13.8
30 Jun 2026 13,329,207 19.0% 7.9

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