Ticker · CUSIP 398438408
Holders (tracked)
8
Combined shares
12,098,936
Combined value
$113.13M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
12 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−224,213 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+184,874 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+129,706 shares · 2025Q413F
- Bill Nygren (Harris / Oakmark) trimmed2026-02-17−44,000 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−579 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+1,940,000 shares · 2025Q413F
- AQR Capital Management added2025-11-14+4,146 shares · 2025Q313F
- Steve Cohen (Point72) trimmed2025-11-14−34,500 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−2,730,270 shares · 2025Q313F
- Bill Nygren (Harris / Oakmark) trimmed2025-11-14−392,800 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−1,940,000 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−1,367,400 shares · 2024Q313F
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 positions1
- Norges Bank (Norway SWF)+1,940,000$18.1M
Added to2
- Izzy Englander (Millennium Mgmt)+184,874$1.7M
- Steve Cohen (Point72)+129,706$1.2M
Trimmed3
- Ken Griffin (Citadel Advisors)−224,213$2.1M
- Bill Nygren (Harris / Oakmark)−44,000$411K
- AQR Capital Management−579$5K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $40.77B |
| 2022Q2 | 8 | $50.62B |
| 2022Q3 | 10 | $19.7M |
| 2022Q4 | 9 | $63.2M |
| 2023Q1 | 10 | $53.5M |
| 2023Q2 | 9 | $214.8M |
| 2023Q3 | 10 | $225.0M |
| 2023Q4 | 10 | $279.8M |
| 2024Q1 | 12 | $162.0M |
| 2024Q2 | 12 | $159.4M |
| 2024Q3 | 10 | $158.3M |
| 2024Q4 | 9 | $114.0M |
| 2025Q1 | 9 | $88.0M |
| 2025Q2 | 8 | $137.0M |
| 2025Q3 | 7 | $101.0M |
| 2025Q4 | 8 | $113.1M |
Who owns GRFS
8 super-investors · 2025Q4
Tracked stake
12.10M
shares
Combined value
$113M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 7.12M | $67M |
| 2 | Bill Nygren Harris / Oakmark | 2.69M | $25M |
| 3 | Norges Bank Norway SWF | 1.94M | $18M |
| 4 | Steve Cohen Point72 | 277.4K | $3M |
| 5 | Mario Gabelli GAMCO | 24.0K | $224K |
| 6 | AQR Capital Management | 20.9K | $196K |
| 7 | Ken Griffin Citadel Advisors | 13.3K | $125K |
| 8 | Ken Griffin Citadel Advisors | 12.0K | $112K |
Recent moves
20 transactions
- +129,706 · 2025Q4
- −44,000 · 2025Q4
- +184,874 · 2025Q4
- −579 · 2025Q4
- −224,213 · 2025Q4
- +1,940,000 · 2025Q4
- −2,730,270 · 2025Q3
- +4,146 · 2025Q3
- −392,800 · 2025Q3
- −34,500 · 2025Q3
- −1,940,000 · 2025Q3
- −1,367,400 · 2024Q3
- −313,100 · 2025Q2
- +10,186 · 2025Q2
- +1,098,616 · 2025Q2
- +3,449 · 2025Q2
- +1,940,000 · 2025Q2
- +172,014 · 2025Q1
- −284,900 · 2025Q1
- −783,489 · 2025Q1
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