Ticker · CUSIP 00166B105
Holders (tracked)
8
Combined shares
4,558,572
Combined value
$5.15M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
10 events
- +56,732 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+33,534 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+581,758 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+20,217 shares · 2025Q413F
- AQR Capital Management exited2026-02-17−10,793 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+258,600 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+2,130,247 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−34,790 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+128,737 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+79,100 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
- Ken Griffin (Citadel Advisors)+56,732$64K
- Steve Cohen (Point72)+20,217$23K
Added to3
- Izzy Englander (Millennium Mgmt)+581,758$657K
- Renaissance Technologies+258,600$292K
- Two Sigma Investments+33,534$38K
Trimmed0
—
Exited1
- AQR Capital Management−10,793$20K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $78.4M |
| 2022Q2 | 8 | $31.5M |
| 2022Q3 | 9 | $28K |
| 2022Q4 | 9 | $22.6M |
| 2023Q1 | 10 | $9.4M |
| 2023Q2 | 8 | $16.8M |
| 2023Q3 | 7 | $11.9M |
| 2023Q4 | 9 | $67.4M |
| 2024Q1 | 12 | $42.3M |
| 2024Q2 | 14 | $33.2M |
| 2024Q3 | 9 | $6.2M |
| 2024Q4 | 9 | $5.6M |
| 2025Q1 | 9 | $1.1M |
| 2025Q2 | 6 | $484K |
| 2025Q3 | 6 | $6.4M |
| 2025Q4 | 8 | $5.2M |
Who owns ALXO
8 super-investors · 2025Q4
Tracked stake
4.56M
shares
Combined value
$5M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 3.20M | $4M |
| 2 | Two Sigma Investments | 640.2K | $723K |
| 3 | Renaissance Technologies | 423.1K | $478K |
| 4 | Izzy Englander Millennium Mgmt | 100.0K | $113K |
| 5 | Ken Griffin Citadel Advisors | 66.9K | $76K |
| 6 | Ken Griffin Citadel Advisors | 56.7K | $64K |
| 7 | Ken Griffin Citadel Advisors | 46.8K | $53K |
| 8 | Steve Cohen Point72 | 20.2K | $23K |
Recent moves
20 transactions
- +33,534 · 2025Q4
- −10,793 · 2025Q4
- +581,758 · 2025Q4
- +56,732 · 2025Q4
- +20,217 · 2025Q4
- +258,600 · 2025Q4
- +2,130,247 · 2025Q3
- −34,790 · 2025Q3
- +128,737 · 2025Q3
- +79,100 · 2025Q3
- −451,470 · 2025Q2
- −64,721 · 2025Q2
- SOLDD.E. Shaw & Co.−75,900 · 2025Q2
- −73,467 · 2025Q2
- SOLDT. Rowe Price−10,622 · 2025Q2
- +71,100 · 2025Q2
- −1,185,026 · 2025Q1
- −161,476 · 2025Q1
- TRIMD.E. Shaw & Co.−179,978 · 2025Q1
- +77,065 · 2025Q1
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