Ticker · CUSIP 37364X109
Holders (tracked)
6
Combined shares
676,607
Combined value
$11.44M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
9 events
- Ken Griffin (Citadel Advisors) added2026-02-17+7,904 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+21,312 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−58,834 shares · 2025Q413F
- Renaissance Technologies exited2026-02-12−24,800 shares · 2025Q413F
- −92,591 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−25,357 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+21,705 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−20,400 shares · 2025Q313F
- First Eagle Investment Management added2025-11-12+13,500 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to2
- Two Sigma Investments+21,312$360K
- Ken Griffin (Citadel Advisors)+7,904$134K
Trimmed2
- First Eagle Investment Management−92,591$1.6M
- Izzy Englander (Millennium Mgmt)−58,834$995K
Exited1
- Renaissance Technologies−24,800$470K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 4 | $2.5M |
| 2022Q2 | 2 | $1.5M |
| 2022Q3 | 2 | $1K |
| 2022Q4 | 6 | $1.2M |
| 2023Q1 | 6 | $2.1M |
| 2023Q2 | 5 | $2.4M |
| 2023Q3 | 5 | $3.2M |
| 2023Q4 | 6 | $5.0M |
| 2024Q1 | 3 | $4.9M |
| 2024Q2 | 2 | $7.5M |
| 2024Q3 | 5 | $953K |
| 2024Q4 | 3 | $3.4M |
| 2025Q1 | 5 | $4.1M |
| 2025Q2 | 6 | $11.3M |
| 2025Q3 | 7 | $17.2M |
| 2025Q4 | 6 | $11.4M |
Who owns GEOS
6 super-investors · 2025Q4
Tracked stake
676.6K
shares
Combined value
$11M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | First Eagle Investment Management | 430.3K | $7M |
| 2 | Izzy Englander Millennium Mgmt | 62.0K | $1M |
| 3 | Ken Griffin Citadel Advisors | 58.7K | $993K |
| 4 | Two Sigma Investments | 58.3K | $986K |
| 5 | Ken Griffin Citadel Advisors | 33.8K | $572K |
| 6 | Ken Griffin Citadel Advisors | 33.5K | $566K |
Recent moves
20 transactions
- +7,904 · 2025Q4
- +21,312 · 2025Q4
- −58,834 · 2025Q4
- −24,800 · 2025Q4
- −92,591 · 2025Q4
- −25,357 · 2025Q3
- +21,705 · 2025Q3
- −20,400 · 2025Q3
- +13,500 · 2025Q3
- +146,211 · 2025Q2
- +15,271 · 2025Q2
- +600 · 2025Q2
- +41,477 · 2025Q2
- −11,497 · 2025Q1
- +700 · 2025Q1
- +184,566 · 2025Q1
- +308 · 2024Q4
- −4,900 · 2024Q4
- +261,530 · 2024Q4
- +11,189 · 2024Q3
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