Ticker · CUSIP 032037103
Holders (tracked)
4
Combined shares
2,957,004
Combined value
$15.76M
Last close
$9.47
Quarter
2025Q4
Price · 1Y$9.47+7.50 (+380.71%)H $9.99 · L $1.78 · Avg Vol 148K
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +77.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
6 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−17,522 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−19,317 shares · 2025Q4Position
- Mario Gabelli (GAMCO) added2026-02-05+86,618 shares · 2025Q4Position
- T. Rowe Price exited2025-11-14−21,600 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+31,829 shares · 2025Q3Position
- Mario Gabelli (GAMCO) trimmed2025-11-12−63,325 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of AP…
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 |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2021Q2 | $2.24 | +323.5% | $104K |
| Ken Griffin (Citadel Advisors) | 2021Q2 | $2.24 | +323.5% | $104K |
| Renaissance Technologies | 2016Q1 | $6.04 | +56.8% | $4.4M |
| Mario Gabelli (GAMCO) | 2016Q1 | $6.96 | +36.0% | $23.4M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to1
- Mario Gabelli (GAMCO)+86,618$462K
Trimmed2
- Renaissance Technologies−19,317$103K
- Ken Griffin (Citadel Advisors)−17,522$93K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 4 | $17.7M |
| 2022Q2 | 4 | $10.7M |
| 2022Q3 | 4 | $10.0M |
| 2022Q4 | 7 | $7.8M |
| 2023Q1 | 8 | $7.9M |
| 2023Q2 | 7 | $10.1M |
| 2023Q3 | 6 | $8.4M |
| 2023Q4 | 7 | $8.9M |
| 2024Q1 | 7 | $7.1M |
| 2024Q2 | 8 | $2.6M |
| 2024Q3 | 4 | $5.9M |
| 2024Q4 | 6 | $6.1M |
| 2025Q1 | 5 | $6.3M |
| 2025Q2 | 3 | $8.6M |
| 2025Q3 | 3 | $6.6M |
| 2025Q4 | 4 | $15.8M |
Who owns AP
4 super-investors · 2025Q4
Tracked stake
2.96M
shares
Combined value
$16M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Mario Gabelli GAMCO | 2.47M | $13M |
| 2 | Renaissance Technologies | 461.3K | $2M |
| 3 | Ken Griffin Citadel Advisors | 13.9K | $74K |
| 4 | Ken Griffin Citadel Advisors | 11.0K | $59K |
Recent moves
20 transactions
- −17,522 · 2025Q4
- −19,317 · 2025Q4
- +86,618 · 2025Q4
- SOLDT. Rowe Price−21,600 · 2025Q3
- +31,829 · 2025Q3
- −63,325 · 2025Q3
- +19,920 · 2025Q2
- +16,071 · 2025Q2
- −14,723 · 2025Q1
- −3,900 · 2025Q1
- −29,105 · 2025Q1
- −3,046 · 2024Q4
- −16,800 · 2024Q4
- +13,446 · 2024Q4
- −47,959 · 2024Q3
- −11,078 · 2024Q3
- +17,769 · 2024Q3
- −102,977 · 2024Q3
- +11,078 · 2024Q2
- TRIMBlackRock−2,436 · 2024Q2
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