Ticker · CUSIP 03843E104
Holders (tracked)
10
Combined shares
4,614,867
Combined value
$29.81M
Last close
$4.32
Quarter
2025Q4
Price · 1Y$4.32+1.81 (+72.11%)H $7.49 · L $2.22 · Avg Vol 2.8M
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is -33.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−197,505 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+915,697 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+381,120 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+246,040 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+10,865 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−14,801 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+3,934 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+327,400 shares · 2025Q4Position
- AQR Capital Management trimmed2025-11-14−974 shares · 2025Q3Position
- Two Sigma Investments exited2025-11-14−239,914 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−1,690,511 shares · 2025Q3Position
- Wellington Management added2025-11-14+40,478 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+2,144 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−39,176 shares · 2025Q3Position
- Renaissance Technologies opened position2025-11-13+87,000 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of AQST…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2024Q2 | $2.59 | +66.6% | $242K |
| Izzy Englander (Millennium Mgmt) | 2018Q4 | $3.80 | +13.7% | $6.6M |
| Two Sigma Investments | 2018Q3 | $4.39 | -1.6% | $1.6M |
| Wellington Management | 2024Q3 | $4.69 | -7.8% | $1.2M |
| AQR Capital Management | 2020Q3 | $4.85 | -10.9% | $267K |
| Renaissance Technologies | 2019Q4 | $5.73 | -24.6% | $1.8M |
| Ken Griffin (Citadel Advisors) | 2020Q1 | $6.13 | -29.5% | $594K |
| Ken Griffin (Citadel Advisors) | 2020Q1 | $6.13 | -29.5% | $594K |
| Ken Griffin (Citadel Advisors) | 2020Q1 | $6.13 | -29.5% | $594K |
| D.E. Shaw & Co. | 2019Q4 | $6.38 | -32.3% | $4.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Two Sigma Investments+381,120$2.5M
Added to5
- D.E. Shaw & Co.+915,697$5.9M
- Renaissance Technologies+327,400$2.1M
- Izzy Englander (Millennium Mgmt)+246,040$1.6M
- AQR Capital Management+3,934$25K
- T. Rowe Price+10,865$70
Trimmed2
- Ken Griffin (Citadel Advisors)−197,505$1.3M
- Wellington Management−14,801$96K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $2.2M |
| 2022Q2 | 6 | $1.9M |
| 2022Q3 | 4 | $2.1M |
| 2022Q4 | 6 | $830K |
| 2023Q1 | 5 | $1.4M |
| 2023Q2 | 7 | $3.5M |
| 2023Q3 | 7 | $2.9M |
| 2023Q4 | 7 | $4.5M |
| 2024Q1 | 7 | $15.5M |
| 2024Q2 | 9 | $16.8M |
| 2024Q3 | 10 | $7.9M |
| 2024Q4 | 9 | $3.9M |
| 2025Q1 | 9 | $5.1M |
| 2025Q2 | 9 | $13.0M |
| 2025Q3 | 9 | $15.8M |
| 2025Q4 | 10 | $29.8M |
Who owns AQST
10 super-investors · 2025Q4
Tracked stake
4.61M
shares
Combined value
$30M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added5Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 1.54M | $10M |
| 2 | D.E. Shaw & Co. | 941.2K | $6M |
| 3 | Ken Griffin Citadel Advisors | 570.9K | $4M |
| 4 | Renaissance Technologies | 414.4K | $3M |
| 5 | Two Sigma Investments | 381.1K | $2M |
| 6 | Wellington Management | 271.0K | $2M |
| 7 | Ken Griffin Citadel Advisors | 245.8K | $2M |
| 8 | Ken Griffin Citadel Advisors | 137.4K | $888K |
| 9 | AQR Capital Management | 61.7K | $399K |
| 10 | T. Rowe Price | 56.0K | $362K |
Recent moves
20 transactions
- −14,801 · 2025Q4
- +3,934 · 2025Q4
- −197,505 · 2025Q4
- +381,120 · 2025Q4
- +246,040 · 2025Q4
- +915,697 · 2025Q4
- +10,865 · 2025Q4
- +327,400 · 2025Q4
- +40,478 · 2025Q3
- −1,690,511 · 2025Q3
- −239,914 · 2025Q3
- −974 · 2025Q3
- +2,144 · 2025Q3
- TRIMD.E. Shaw & Co.−39,176 · 2025Q3
- +87,000 · 2025Q3
- −132,149 · 2025Q2
- +39,755 · 2025Q2
- TRIMD.E. Shaw & Co.−114,359 · 2025Q2
- +2,721,624 · 2025Q2
- +10,848 · 2025Q2
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