Ticker · CUSIP 02155H200
Holders (tracked)
10
Combined shares
5,657,132
Combined value
$20.24M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) added2026-02-17+55,913 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+983,188 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−160,199 shares · 2025Q413F
- Steve Cohen (Point72) exited2026-02-17−476,926 shares · 2025Q413F
- T. Rowe Price added2026-02-17+8,386 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−7,531 shares · 2025Q413F
- Jeremy Grantham (GMO) opened position2026-02-17+172,559 shares · 2025Q413F
- AQR Capital Management opened position2026-02-17+21,147 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−731,165 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+289,288 shares · 2025Q313F
- T. Rowe Price added2025-11-14+7,262 shares · 2025Q313F
- Wellington Management added2025-11-14+12,936 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+476,926 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+1,559,562 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+309,137 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.
New positions2
- Jeremy Grantham (GMO)+172,559$623K
- AQR Capital Management+21,147$76K
Added to3
- D.E. Shaw & Co.+983,188$3.5M
- Ken Griffin (Citadel Advisors)+55,913$202K
- T. Rowe Price+8,386$30
Trimmed3
- Two Sigma Investments−731,165$2.6M
- Izzy Englander (Millennium Mgmt)−160,199$578K
- Wellington Management−7,531$27K
Exited1
- Steve Cohen (Point72)−476,926$1.8M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $1.20B |
| 2022Q2 | 11 | $2.28B |
| 2022Q3 | 9 | $58K |
| 2022Q4 | 9 | $59.1M |
| 2023Q1 | 12 | $21.4M |
| 2023Q2 | 10 | $23.4M |
| 2023Q3 | 9 | $14.7M |
| 2023Q4 | 6 | $67.4M |
| 2024Q1 | 9 | $66.2M |
| 2024Q2 | 10 | $48.4M |
| 2024Q3 | 10 | $15.5M |
| 2024Q4 | 8 | $19.5M |
| 2025Q1 | 9 | $17.0M |
| 2025Q2 | 10 | $10.1M |
| 2025Q3 | 9 | $20.7M |
| 2025Q4 | 10 | $20.2M |
Who owns ALT
10 super-investors · 2025Q4
Tracked stake
5.66M
shares
Combined value
$20M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added5Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 1.34M | $5M |
| 2 | Ken Griffin Citadel Advisors | 1.34M | $5M |
| 3 | Two Sigma Investments | 1.27M | $5M |
| 4 | Ken Griffin Citadel Advisors | 578.5K | $2M |
| 5 | Ken Griffin Citadel Advisors | 423.2K | $2M |
| 6 | Wellington Management | 257.3K | $929K |
| 7 | Izzy Englander Millennium Mgmt | 207.4K | $749K |
| 8 | Jeremy Grantham GMO | 172.6K | $623K |
| 9 | AQR Capital Management | 21.1K | $76K |
| 10 | T. Rowe Price | 49.9K | $181 |
Recent moves
20 transactions
- +55,913 · 2025Q4
- +21,147 · 2025Q4
- +8,386 · 2025Q4
- +172,559 · 2025Q4
- −731,165 · 2025Q4
- −476,926 · 2025Q4
- +983,188 · 2025Q4
- −7,531 · 2025Q4
- −160,199 · 2025Q4
- +12,936 · 2025Q3
- +289,288 · 2025Q3
- +1,559,562 · 2025Q3
- +309,137 · 2025Q3
- +476,926 · 2025Q3
- +7,262 · 2025Q3
- −710,530 · 2025Q2
- −1,033,005 · 2025Q2
- +742 · 2025Q2
- +2,753 · 2025Q2
- +26,912 · 2025Q2
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