Ticker · CUSIP 36241U106
Holders (tracked)
6
Combined shares
1,017,263
Combined value
$6.32M
Last close
$6.48
Quarter
2025Q4
Price · 1Y$6.48+3.87 (+148.28%)H $12.97 · L $2.59 · Avg Vol 1.8M
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +4.3% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
6 events
- Ken Griffin (Citadel Advisors) added2026-02-17+61,264 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+109,106 shares · 2025Q4Position
- +45,843 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−269,608 shares · 2025Q4Position
- Two Sigma Investments added2025-11-14+124,360 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+265,800 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of GSIT…
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 |
|---|---|---|---|---|
| Two Sigma Investments | 2017Q1 | $3.70 | +75.0% | $3.2M |
| Renaissance Technologies | 2016Q1 | $4.28 | +51.4% | $754K |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $4.68 | +38.4% | $540K |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $4.68 | +38.4% | $540K |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $4.68 | +38.4% | $540K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $5.84 | +10.9% | $297K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Izzy Englander (Millennium Mgmt)+45,843$285K
Added to2
- Two Sigma Investments+109,106$678K
- Ken Griffin (Citadel Advisors)+61,264$380K
Trimmed1
- Renaissance Technologies−269,608$1.7M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 3 | $3.4M |
| 2022Q2 | 3 | $2.9M |
| 2022Q3 | 3 | $2.3M |
| 2022Q4 | 3 | $1.3M |
| 2023Q1 | 3 | $1.3M |
| 2023Q2 | 3 | $3.5M |
| 2023Q3 | 4 | $1.8M |
| 2023Q4 | 5 | $1.8M |
| 2024Q1 | 6 | $1.8M |
| 2024Q2 | 3 | $1.1M |
| 2024Q3 | 5 | $864K |
| 2024Q4 | 5 | $811K |
| 2025Q1 | 5 | $945K |
| 2025Q2 | 3 | $1.7M |
| 2025Q3 | 5 | $3.5M |
| 2025Q4 | 6 | $6.3M |
Who owns GSIT
6 super-investors · 2025Q4
Tracked stake
1.02M
shares
Combined value
$6M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added4Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 500.4K | $3M |
| 2 | Ken Griffin Citadel Advisors | 172.3K | $1M |
| 3 | Renaissance Technologies | 116.3K | $722K |
| 4 | Ken Griffin Citadel Advisors | 99.2K | $616K |
| 5 | Ken Griffin Citadel Advisors | 83.3K | $517K |
| 6 | Izzy Englander Millennium Mgmt | 45.8K | $285K |
Recent moves
20 transactions
- +45,843 · 2025Q4
- +61,264 · 2025Q4
- +109,106 · 2025Q4
- −269,608 · 2025Q4
- +124,360 · 2025Q3
- +265,800 · 2025Q3
- +23,779 · 2025Q2
- −16,600 · 2025Q2
- +173,159 · 2025Q1
- −27,541 · 2025Q1
- +11,149 · 2024Q4
- −41,500 · 2024Q4
- −9,690 · 2024Q3
- −49,885 · 2024Q3
- −28,334 · 2024Q2
- ADDBlackRock+4,263 · 2024Q2
- −72,115 · 2024Q2
- −25,810 · 2024Q1
- −93,857 · 2024Q1
- TRIMBlackRock−1,237 · 2024Q1
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- GSIT insider tradingEvery Form 4 filing by GSIT officers, directors, and 10%+ holders.
- GSIT analyst target pricesWall Street consensus target, analyst-by-analyst breakdown, and revision history.
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