Ticker · CUSIP 39579V100
Holders (tracked)
2
Combined shares
222,115
Combined value
$375.4K
Last close
$1.28
Quarter
2025Q4
Price · 1Y$1.28-0.78 (-37.86%)H $2.59 · L $1.17 · Avg Vol 27K
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is -24.3% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
3 events
- Ken Griffin (Citadel Advisors) added2026-02-17+3,268 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−19,000 shares · 2025Q4Position
- Renaissance Technologies trimmed2025-11-13−14,300 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of GHG…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2020Q2 | $5.71 | -77.6% | $41K |
| Renaissance Technologies | 2018Q3 | $12.19 | -89.5% | $243K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to1
- Ken Griffin (Citadel Advisors)+3,268$6K
Trimmed1
- Renaissance Technologies−19,000$32K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 3 | $257.1M |
| 2022Q2 | 3 | $212.7M |
| 2022Q3 | 3 | $1.5M |
| 2022Q4 | 3 | $1.5M |
| 2023Q1 | 3 | $1.8M |
| 2023Q2 | 3 | $1.9M |
| 2023Q3 | 3 | $1.5M |
| 2023Q4 | 3 | $1.1M |
| 2024Q1 | 3 | $838K |
| 2024Q2 | 1 | $548K |
| 2024Q3 | 1 | $676K |
| 2024Q4 | 1 | $542K |
| 2025Q1 | 2 | $551K |
| 2025Q2 | 2 | $509K |
| 2025Q3 | 2 | $523K |
| 2025Q4 | 2 | $375K |
Who owns GHG
2 super-investors · 2025Q4
Tracked stake
222.1K
shares
Combined value
$375K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 189.9K | $321K |
| 2 | Ken Griffin Citadel Advisors | 32.2K | $54K |
Recent moves
20 transactions
- +3,268 · 2025Q4
- −19,000 · 2025Q4
- −14,300 · 2025Q3
- +8,336 · 2025Q2
- −12,417 · 2024Q1
- +2,956 · 2025Q1
- −6,758 · 2024Q4
- −5,285 · 2023Q3
- −6,734 · 2024Q3
- −24,769 · 2024Q2
- SOLDBlackRock−161 · 2024Q2
- −18,892 · 2024Q2
- −19,808 · 2024Q1
- TRIMBlackRock−96 · 2024Q1
- −34,500 · 2023Q4
- −8,229 · 2023Q4
- −12,215 · 2023Q3
- TRIMBlackRock−10,573 · 2023Q3
- −28,700 · 2023Q2
- TRIMBlackRock−755 · 2023Q2
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