ION Geophysical Corporation
IO was delisted on the 18th of May, 2022.
0 hedge funds and large institutions have $0 invested in ION Geophysical Corporation in 2025 Q3 according to their latest regulatory filings, with funds opening new positions, increasing their positions, reducing their positions, and 1 closing their positions.
100% less funds holding
Funds holding: 1 → 0 (-1)
100% less capital invested
Capital invested by funds: $1 → $0 (-$1)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 1
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HNB
Huntington National Bank
Columbus,
Ohio
|
-$1 |
IO Hedge Fund Activity: Q3 2025 in Review
0 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in ION Geophysical Corporation (IO) for Q3 2025, worth a combined $0 — down 100% from $1 a quarter earlier.
Sellers outnumbered buyers: 1 fund closed out of IO and 0 opened new positions — a net loss of 1 holder — while 0 trimmed existing stakes and 0 added.
The largest seller was Huntington National Bank, exiting entirely with an estimated $1 sold.
- 0 institutional investors held ION Geophysical Corporation (IO) as of Q3 2025, down from 1 in Q2 2025.
- Funds reported $0 of ION Geophysical Corporation stock for Q3 2025, down 100% quarter-over-quarter.
- 0 funds opened new ION Geophysical Corporation positions in Q3 2025 and 1 closed out, a net change of -1 holder.
- The largest ION Geophysical Corporation seller in Q3 2025 was Huntington National Bank, an estimated $1 sold.
Based on aggregated 13F filings for Q3 2025.