Ticker · CUSIP 33749P507
Holders (tracked)
1
Combined shares
31,000
Combined value
$144.5K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
SEC event timeline
2 events
- Renaissance Technologies trimmed2026-02-12−55,400 shares · 2025Q413F
- Renaissance Technologies opened position2025-11-13+86,400 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.
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q3 | 1 | $432K |
| 2025Q4 | 1 | $144K |
Who owns GRDX
1 super-investors · 2025Q4
Tracked stake
31.0K
shares
Combined value
$144K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 31.0K | $144K |
Recent moves
2 transactions
- −55,400 · 2025Q4
- +86,400 · 2025Q3
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