Ticker · CUSIP 015658107
Holders (tracked)
7
Combined shares
2,233,122
Combined value
$9.16M
Last close
$4.74
Quarter
2025Q4
Price · 1Y$4.74-0.02 (-0.45%)H $7.11 · L $3.19 · Avg Vol 1.4M
Position opened
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is +15.5% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
10 events
- Ken Griffin (Citadel Advisors) added2026-02-17+38,044 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−55,202 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−107,420 shares · 2025Q4Position
- Steve Cohen (Point72) exited2026-02-17−201,100 shares · 2025Q4Position
- Renaissance Technologies exited2026-02-12−216,333 shares · 2025Q4Position
- D.E. Shaw & Co. opened position2025-11-14+578,460 shares · 2025Q3Position
- Steve Cohen (Point72) opened position2025-11-14+201,100 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+563,628 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+158,933 shares · 2025Q3Position
- Mario Gabelli (GAMCO) exited2025-11-12−31,125 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ASTL…
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 |
|---|---|---|---|---|
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $4.16 | +14.1% | $2.8M |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $4.16 | +14.1% | $2.8M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $4.20 | +12.8% | $3.0M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $4.20 | +12.8% | $3.0M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $4.20 | +12.8% | $3.0M |
| D.E. Shaw & Co. | 2021Q4 | $5.41 | -12.4% | $91K |
| D.E. Shaw & Co. | 2021Q4 | $5.41 | -12.4% | $91K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to1
- Ken Griffin (Citadel Advisors)+38,044$156K
Trimmed2
- Izzy Englander (Millennium Mgmt)−107,420$441K
- D.E. Shaw & Co.−55,202$227K
Exited2
- Renaissance Technologies−216,333$769K
- Steve Cohen (Point72)−201,100$715K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $11.0M |
| 2022Q2 | 6 | $9.4M |
| 2022Q3 | 6 | $26.3M |
| 2022Q4 | 8 | $29.0M |
| 2023Q1 | 9 | $39.1M |
| 2023Q2 | 8 | $25.2M |
| 2023Q3 | 8 | $33.9M |
| 2023Q4 | 10 | $56.5M |
| 2024Q1 | 9 | $51.5M |
| 2024Q2 | 10 | $45.7M |
| 2024Q3 | 9 | $47.9M |
| 2024Q4 | 11 | $50.9M |
| 2025Q1 | 9 | $9.1M |
| 2025Q2 | 7 | $8.1M |
| 2025Q3 | 8 | $10.5M |
| 2025Q4 | 7 | $9.2M |
Who owns ASTL
7 super-investors · 2025Q4
Tracked stake
2.23M
shares
Combined value
$9M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added3Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 622.4K | $3M |
| 2 | Izzy Englander Millennium Mgmt | 597.0K | $2M |
| 3 | D.E. Shaw & Co. | 523.3K | $2M |
| 4 | Ken Griffin Citadel Advisors | 244.2K | $1M |
| 5 | Ken Griffin Citadel Advisors | 114.7K | $470K |
| 6 | Izzy Englander Millennium Mgmt | 112.4K | $461K |
| 7 | D.E. Shaw & Co. | 19.2K | $79K |
Recent moves
20 transactions
- −107,420 · 2025Q4
- −201,100 · 2025Q4
- TRIMD.E. Shaw & Co.−55,202 · 2025Q4
- +38,044 · 2025Q4
- −216,333 · 2025Q4
- +578,460 · 2025Q3
- +201,100 · 2025Q3
- +563,628 · 2025Q3
- +158,933 · 2025Q3
- −31,125 · 2025Q3
- −18,213 · 2025Q2
- −107,700 · 2025Q2
- −668,141 · 2025Q2
- −48,684 · 2025Q2
- +450 · 2025Q2
- −170,205 · 2025Q2
- +86,021 · 2025Q1
- −3,142,005 · 2025Q1
- −18,387 · 2025Q1
- SOLDD.E. Shaw & Co.−167,938 · 2025Q1
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