13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated

GEVO INC

5 institutions still hold GEVO INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 374396956·5 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 1.8%
vs prior quarter
13F value held
$2M
62.0% inst. owned
of float
Holders
5
+117 QoQ
filers reporting
Activity
+37 / −100
+810 added · −869 reduced
this quarter
Concentration
90.63%
SABBY MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q1 2026

5 institutions reported GEVO INC in Q1 2026. SABBY MANAGEMENT, LLC leads at 90.6% of the visible book. +117 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
SABBY MANAGEMENT, LLC
CIK 0001535610
$1M5K3.18%Q1 202602
GROUP ONE TRADING LLC
CIK 0000932540
$89,81733K0.00%Q1 202603
IMC-Chicago, LLC
CIK 0001452861· Market maker
$54,60020K0.00%Q1 202604
SIMPLEX TRADING, LLC
CIK 0001488542
$3,8221K0.00%Q1 202605
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025