Ticker · CUSIP 02390A101
Holders (tracked)
8
Combined shares
3,270,458
Combined value
$67.40M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
10 events
- Ken Griffin (Citadel Advisors) added2026-02-17+311,811 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+154,588 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−51,910 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−1,411 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−371,700 shares · 2025Q413F
- Wellington Management trimmed2025-11-14−48,193 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−130,759 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−209,256 shares · 2025Q313F
- T. Rowe Price opened position2025-11-14+9,700 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−100,800 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 positions0
—
Added to2
- Ken Griffin (Citadel Advisors)+311,811$6.4M
- Izzy Englander (Millennium Mgmt)+154,588$3.2M
Trimmed3
- Renaissance Technologies−371,700$7.7M
- Wellington Management−51,910$1.1M
- AQR Capital Management−1,411$29K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q1 | 10 | $60.6M |
| 2023Q2 | 10 | $50.6M |
| 2023Q3 | 8 | $67.4M |
| 2023Q4 | 9 | $73.7M |
| 2024Q1 | 8 | $53.4M |
| 2024Q2 | 8 | $56.3M |
| 2024Q3 | 6 | $46.6M |
| 2024Q4 | 5 | $38.9M |
| 2025Q1 | 7 | $73.8M |
| 2025Q2 | 7 | $77.4M |
| 2025Q3 | 8 | $68.9M |
| 2025Q4 | 8 | $67.4M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-03-18 | Sheri Biggs | Sell | $1K – $15K | PDF ↗ |
Who owns AMX
8 super-investors · 2025Q4
Tracked stake
3.27M
shares
Combined value
$67M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim3Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 1.43M | $30M |
| 2 | Wellington Management | 1.23M | $25M |
| 3 | Ken Griffin Citadel Advisors | 325.2K | $7M |
| 4 | Izzy Englander Millennium Mgmt | 192.2K | $4M |
| 5 | AQR Capital Management | 43.3K | $894K |
| 6 | Ken Griffin Citadel Advisors | 27.5K | $568K |
| 7 | Ken Griffin Citadel Advisors | 17.5K | $362K |
| 8 | T. Rowe Price | 9.7K | $201 |
Recent moves
20 transactions
- −51,910 · 2025Q4
- +154,588 · 2025Q4
- +311,811 · 2025Q4
- −1,411 · 2025Q4
- −371,700 · 2025Q4
- −130,759 · 2025Q3
- +9,700 · 2025Q3
- −209,256 · 2025Q3
- −48,193 · 2025Q3
- −100,800 · 2025Q3
- +39,121 · 2025Q2
- −153,395 · 2025Q2
- −1,200,145 · 2025Q2
- −3,300 · 2025Q2
- +1,065,538 · 2025Q1
- −49,831 · 2025Q1
- −1,500 · 2025Q1
- −154,799 · 2024Q1
- +1,287,526 · 2025Q1
- −85,614 · 2024Q4
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