Ticker · CUSIP 00439U104
Holders (tracked)
2
Combined shares
172,078
Combined value
$596.7K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 5 quarters.
SEC event timeline
3 events
- Ken Griffin (Citadel Advisors) added2026-02-17+15,032 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+45,220 shares · 2025Q413F
- Renaissance Technologies added2025-11-13+56,936 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
- Renaissance Technologies+45,220$156K
- Ken Griffin (Citadel Advisors)+15,032$52K
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q4 | 2 | $251K |
| 2025Q1 | 2 | $184K |
| 2025Q2 | 2 | $184K |
| 2025Q3 | 2 | $333K |
| 2025Q4 | 2 | $597K |
Who owns GRCE
2 super-investors · 2025Q4
Tracked stake
172.1K
shares
Combined value
$597K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 129.8K | $449K |
| 2 | Ken Griffin Citadel Advisors | 42.3K | $148K |
Recent moves
6 transactions
- +15,032 · 2025Q4
- +45,220 · 2025Q4
- +56,936 · 2025Q3
- −14,556 · 2025Q2
- −794 · 2025Q1
- +42,975 · 2024Q4
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