Ticker · CUSIP 387437205
Holders (tracked)
4
Combined shares
908,432
Combined value
$54.05M
Last close
$66.80
Quarter
2025Q4
Price · 1Y$66.80+23.11 (+52.90%)H $67.75 · L $42.24 · Avg Vol 8K
Position opened
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 5.
Price is +12.3% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
7 events
- D.E. Shaw & Co. trimmed2026-02-17−7,600 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+56,337 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−10,400 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+798,627 shares · 2025Q4Position
- D.E. Shaw & Co. added2025-11-14+2,800 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−500 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−798,627 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of GRTUF…
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 |
|---|---|---|---|---|
| Norges Bank (Norway SWF) | 2024Q4 | $48.47 | +37.8% | $53.3M |
| Renaissance Technologies | 2024Q4 | $48.54 | +37.6% | $2.2M |
| D.E. Shaw & Co. | 2024Q4 | $49.19 | +35.8% | $1.4M |
| Two Sigma Investments | 2025Q4 | $59.19 | +12.9% | $3.8M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+798,627$47.5M
- Two Sigma Investments+56,337$3.3M
Added to0
—
Trimmed2
- Renaissance Technologies−10,400$616K
- D.E. Shaw & Co.−7,600$452K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q4 | 3 | $43.0M |
| 2025Q1 | 2 | $3.2M |
| 2025Q2 | 3 | $44.1M |
| 2025Q3 | 2 | $4.0M |
| 2025Q4 | 4 | $54.1M |
Who owns GRTUF
4 super-investors · 2025Q4
Tracked stake
908.4K
shares
Combined value
$54M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 798.6K | $48M |
| 2 | Two Sigma Investments | 56.3K | $3M |
| 3 | Renaissance Technologies | 32.2K | $2M |
| 4 | D.E. Shaw & Co. | 21.3K | $1M |
Recent moves
15 transactions
- TRIMD.E. Shaw & Co.−7,600 · 2025Q4
- +56,337 · 2025Q4
- −10,400 · 2025Q4
- +798,627 · 2025Q4
- +2,800 · 2025Q3
- −500 · 2025Q3
- −798,627 · 2025Q3
- TRIMD.E. Shaw & Co.−200 · 2025Q2
- +798,627 · 2025Q2
- TRIMD.E. Shaw & Co.−19,000 · 2025Q1
- −500 · 2025Q1
- −798,627 · 2025Q1
- +45,268 · 2024Q4
- +43,600 · 2024Q4
- +798,627 · 2024Q4
Embed this chart
Paste this iframe anywhere to embed the live GRTUF chart.
<iframe src="https://openstocks.me/embed/stocks/GRTUF" width="100%" height="480" frameborder="0" loading="lazy" title="GRTUF chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Explore related topics
- GRTUF insider tradingEvery Form 4 filing by GRTUF officers, directors, and 10%+ holders.
- GRTUF analyst target pricesWall Street consensus target, analyst-by-analyst breakdown, and revision history.
- Most popular hedge-fund stocksSee where this ticker ranks against the broader smart-money consensus.
- All insider tradingCross-ticker view of where corporate insiders are buying on the open market.
- Congress stock tradesReal-time PTR disclosures filed under the STOCK Act.
- Smart-money signalsComposite signals where institutional, insider and Congress flows converge.