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Ion Geophysical Corp

IODelisted Jun 3, 2022
Industry
Oil & Gas Field Exploration Services
SEC CIK
0000866609

Ion Geophysical Corp was delisted on Jun 3, 2022; its insiders filed their last Form 4 on Jul 29, 2022; 30 institutions reported holding it in 13F filings for Q1 2022, worth $4.53M in total; no superinvestor held it.

13F holders, Q4 2024

Institutional positions in Ion Geophysical Corp as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

IO is no longer listed, and 13F filings after Q1 2022 list far fewer holders. See Q1 2022

Institutional holders
3
0 vs. Q3 2024
Shares held
45.6K
0 (0.0%) vs. Q3 2024
Total value
$22.0K
$0 (0.0%) vs. Q3 2024
New holders
0
0 more added
Sold out
0
0 more reduced

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 3 institutions
Q1 2021: 38 institutionsQ2 2021: 40 institutionsQ3 2021: 35 institutionsQ4 2021: 37 institutionsQ1 2022: 30 institutionsQ2 2022: 6 institutionsQ3 2022: 2 institutionsQ4 2022: 2 institutionsQ1 2023: 2 institutionsQ2 2023: 2 institutionsQ3 2023: 3 institutionsQ4 2023: 3 institutionsQ1 2024: 2 institutionsQ2 2024: 3 institutionsQ3 2024: 3 institutionsQ4 2024: 3 institutionsQ1 2025: 1 institutionQ2 2025: 1 institutionQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2024: $22.0K
Q1 2021: $7.18MQ2 2021: $18.9MQ3 2021: $7.21MQ4 2021: $4.31MQ1 2022: $4.53MQ2 2022: $2.66KQ3 2022: $2.00KQ4 2022: $5Q1 2023: $5Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $22.0KQ3 2024: $22.0KQ4 2024: $22.0KQ1 2025: $1Q2 2025: $1Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding IO and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20251$1
Q1 20251$1
Q4 20243$22.0K
Q3 20243$22.0K
Q2 20243$22.0K
Q1 20242$0
Q4 20233$0
Q3 20233$0
Q2 20232$0
Q1 20232$5
Q4 20222$5
Q3 20222$2.00K
Q2 20226$2.66K
Q1 202230$4.53M
Q4 202137$4.31M
Q3 202135$7.21M
Q2 202140$18.9M
Q1 202138$7.18M

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Ion Geophysical Corp; share changes are against Q3 2024.

Institutions holding IO in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank41,000$22.0K0.00%00.0%Unchanged
Versant Capital Management, Inc67$00.00%00.0%Unchanged
Tucker Asset Management LLC4,500$00.00%00.0%Unchanged