ETF · 36246K103
Holders (tracked)
2
Combined shares
363,200
Combined value
$3.50M
Last close
$9.11
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Filing-implied avg cost: $9.63 · live $9.11
Who owns GRX
2 super-investors · 2025Q4
Tracked stake
363.2K
shares
Combined value
$3M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Mario Gabelli GAMCO | 342.2K | $3M |
| 2 | Ken Griffin Citadel Advisors | 21.0K | $202K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Ken Griffin (Citadel Advisors)+20,974$202K
Added to1
- Mario Gabelli (GAMCO)+30,000$289K
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 1 | $4.2M |
| 2022Q2 | 1 | $3.5M |
| 2022Q3 | 1 | $3.1M |
| 2022Q4 | 2 | $3.4M |
| 2023Q1 | 2 | $3.2M |
| 2023Q2 | 1 | $3.2M |
| 2023Q3 | 1 | $2.7M |
| 2023Q4 | 1 | $3.0M |
| 2024Q1 | 1 | $3.3M |
| 2024Q2 | 1 | $3.1M |
| 2024Q3 | 1 | $3.4M |
| 2024Q4 | 1 | $3.3M |
| 2025Q1 | 1 | $3.5M |
| 2025Q2 | 2 | $3.3M |
| 2025Q3 | 1 | $2.8M |
| 2025Q4 | 2 | $3.5M |