Ticker · CUSIP 020772109
Holders (tracked)
5
Combined shares
773,823
Combined value
$3.44M
Last close
$4.62
Quarter
2025Q4
Price · 1Y$4.62+0.33 (+7.69%)H $5.36 · L $4.25 · Avg Vol 28K
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +4.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
3 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−15,444 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−12,803 shares · 2025Q4Position
- Renaissance Technologies trimmed2025-11-13−300 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of APT…
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 |
|---|---|---|---|---|
| Renaissance Technologies | 2016Q1 | $3.49 | +32.3% | $2.4M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $4.46 | +3.5% | $556K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $4.46 | +3.5% | $556K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $4.46 | +3.5% | $556K |
| T. Rowe Price | 2021Q4 | $5.60 | -17.4% | $74K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to0
—
Trimmed2
- Ken Griffin (Citadel Advisors)−15,444$69K
- Renaissance Technologies−12,803$57K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $6.2M |
| 2022Q2 | 7 | $6.1M |
| 2022Q3 | 7 | $4.9M |
| 2022Q4 | 7 | $4.2M |
| 2023Q1 | 6 | $4.1M |
| 2023Q2 | 5 | $3.6M |
| 2023Q3 | 5 | $4.1M |
| 2023Q4 | 7 | $5.2M |
| 2024Q1 | 6 | $6.5M |
| 2024Q2 | 6 | $5.6M |
| 2024Q3 | 5 | $4.4M |
| 2024Q4 | 5 | $4.3M |
| 2025Q1 | 5 | $3.6M |
| 2025Q2 | 5 | $4.0M |
| 2025Q3 | 5 | $3.6M |
| 2025Q4 | 5 | $3.4M |
Who owns APT
5 super-investors · 2025Q4
Tracked stake
773.8K
shares
Combined value
$3M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 523.0K | $2M |
| 2 | Ken Griffin Citadel Advisors | 120.3K | $534K |
| 3 | Ken Griffin Citadel Advisors | 93.2K | $414K |
| 4 | Ken Griffin Citadel Advisors | 21.4K | $95K |
| 5 | T. Rowe Price | 16.0K | $72K |
Recent moves
20 transactions
- −15,444 · 2025Q4
- −12,803 · 2025Q4
- −300 · 2025Q3
- −3,484 · 2025Q2
- −25,916 · 2025Q1
- −24,800 · 2024Q4
- TRIMT. Rowe Price−6,263 · 2024Q3
- −42,100 · 2024Q3
- TRIMT. Rowe Price−637 · 2024Q2
- ADDBlackRock+1,172 · 2024Q2
- +8,316 · 2024Q2
- −11,348 · 2024Q1
- +35,492 · 2024Q1
- ADDBlackRock+46,738 · 2024Q1
- +11,348 · 2023Q4
- TRIMBlackRock−1,970 · 2023Q4
- +7,062 · 2023Q4
- −15,981 · 2023Q3
- TRIMBlackRock−272 · 2023Q3
- ADDBlackRock+1,318 · 2023Q2
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