HolderBook

ION GEOPHYSICAL CORP (IOGPQ)

Institutional ownership reported to the SEC as of Q2 2025, across 23 quarters.

1
Reporting holders
$1
Reported value
0.0%
Held as options
+0
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
HUNTINGTON NATIONAL BANK$141,0000.00%5qHELD

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 20251$141,0000000.0%
Q1 20251$141,0000000.0%
Q4 20241$22.0K41,0000000.0%
Q3 20241$22.0K41,0000000.0%
Q2 20241$22.0K41,0001000.0%
Q1 20231$51,8000000.0%
Q4 20221$51,8001000.0%
Q3 20221$2.0K190000.0%
Q2 20223$11.7K4,51910077.2%
Q1 202230$5.3M5,200,07066714.4%
Q4 202134$5.3M4,895,7021091019.0%
Q3 202133$7.6M5,423,1505985.3%
Q2 202138$21.0M9,041,66386119.8%
Q1 202139$11.3M3,356,0031211836.6%
Q4 202032$7.5M2,983,14748123.1%
Q3 202033$5.3M3,469,90966131.4%
Q2 202036$9.3M3,891,08489131.7%
Q1 202038$5.7M4,492,785512140.9%
Q4 201955$49.1M5,615,1641218140.7%
Q3 201949$48.3M5,233,574616181.1%
Q2 201955$52.3M5,930,7791117178.7%
Q1 201968$101.1M6,535,9522417166.6%
Q4 201858$35.3M6,803,4111020.3%