Ticker · CUSIP 74836W203
Holders (tracked)
4
Combined shares
327,926
Combined value
$609.9K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
6 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−5,519 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+55,983 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−14,329 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−17,900 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−17,996 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−12,900 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Two Sigma Investments+55,983$104K
Added to0
—
Trimmed3
- Renaissance Technologies−17,900$33K
- Izzy Englander (Millennium Mgmt)−14,329$27K
- Ken Griffin (Citadel Advisors)−5,519$10K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 5 | $4.1M |
| 2022Q2 | 5 | $2.8M |
| 2022Q3 | 6 | $5.0M |
| 2022Q4 | 6 | $3.8M |
| 2023Q1 | 6 | $3.8M |
| 2023Q2 | 6 | $4.8M |
| 2023Q3 | 6 | $6.1M |
| 2023Q4 | 7 | $6.2M |
| 2024Q1 | 7 | $7.0M |
| 2024Q2 | 7 | $12.4M |
| 2024Q3 | 4 | $3.5M |
| 2024Q4 | 5 | $2.0M |
| 2025Q1 | 4 | $713K |
| 2025Q2 | 3 | $696K |
| 2025Q3 | 3 | $483K |
| 2025Q4 | 4 | $610K |
Who owns QRHC
4 super-investors · 2025Q4
Tracked stake
327.9K
shares
Combined value
$610K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 134.3K | $250K |
| 2 | Izzy Englander Millennium Mgmt | 92.5K | $172K |
| 3 | Two Sigma Investments | 56.0K | $104K |
| 4 | Ken Griffin Citadel Advisors | 45.1K | $84K |
Recent moves
20 transactions
- −14,329 · 2025Q4
- +55,983 · 2025Q4
- −5,519 · 2025Q4
- −17,900 · 2025Q4
- −17,996 · 2025Q3
- −12,900 · 2025Q3
- +124,869 · 2025Q2
- −16,900 · 2025Q2
- −21,200 · 2025Q1
- −73,265 · 2025Q1
- −22,700 · 2024Q4
- −82,580 · 2024Q4
- −20,369 · 2024Q3
- −41,500 · 2024Q3
- −127,320 · 2024Q3
- −45,546 · 2024Q2
- ADDBlackRock+642,055 · 2024Q2
- −73,233 · 2024Q2
- −7,400 · 2024Q2
- +12,828 · 2024Q1
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