Ticker · CUSIP 024013104
Holders (tracked)
9
Combined shares
1,825,422
Combined value
$34.56M
Last close
$20.81
Quarter
2025Q4
Price · 1Y$20.81+3.02 (+16.95%)H $20.81 · L $17.30 · Avg Vol 421K
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +9.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
21 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−218,130 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−49,214 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+138,206 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−8,867 shares · 2025Q4Position
- Steve Cohen (Point72) exited2026-02-17−2,018 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+1,818 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−6,936 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−48,315 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+16,400 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+257,700 shares · 2025Q4Position
- −49,008 shares · 2025Q3Position
- Two Sigma Investments exited2025-11-14−10,448 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−22,526 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−293,300 shares · 2025Q3Position
- Wellington Management added2025-11-14+2,041 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+347,589 shares · 2025Q3Position
- Steve Cohen (Point72) opened position2025-11-14+2,018 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+2,425 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−7,000 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−105,493 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−207,600 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of AAT…
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 |
|---|---|---|---|---|
| Two Sigma Investments | 2016Q1 | $19.11 | +8.9% | $2.9M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $20.31 | +2.5% | $5.7M |
| D.E. Shaw & Co. | 2016Q1 | $20.40 | +2.0% | $224K |
| AQR Capital Management | 2016Q1 | $20.76 | +0.2% | $10.4M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $22.47 | -7.4% | $5.6M |
| Renaissance Technologies | 2016Q1 | $23.38 | -11.0% | $2.3M |
| Wellington Management | 2016Q1 | $25.42 | -18.1% | $4.5M |
| T. Rowe Price | 2016Q1 | $26.88 | -22.6% | $949K |
| Norges Bank (Norway SWF) | 2016Q1 | $1988.57 | -99.0% | $5.4M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+257,700$4.9M
- Two Sigma Investments+138,206$2.6M
Added to2
- Renaissance Technologies+16,400$310K
- T. Rowe Price+1,818$34
Trimmed5
- Ken Griffin (Citadel Advisors)−218,130$4.1M
- D.E. Shaw & Co.−49,214$932K
- AQR Capital Management−48,315$915K
- Izzy Englander (Millennium Mgmt)−8,867$168K
- Wellington Management−6,936$131K
Exited1
- Steve Cohen (Point72)−2,018$41K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $18.84B |
| 2022Q2 | 12 | $19.24B |
| 2022Q3 | 11 | $305.9M |
| 2022Q4 | 12 | $340.4M |
| 2023Q1 | 12 | $280.4M |
| 2023Q2 | 13 | $267.7M |
| 2023Q3 | 14 | $252.2M |
| 2023Q4 | 11 | $299.0M |
| 2024Q1 | 10 | $276.5M |
| 2024Q2 | 11 | $288.9M |
| 2024Q3 | 11 | $31.5M |
| 2024Q4 | 9 | $29.8M |
| 2025Q1 | 10 | $27.9M |
| 2025Q2 | 11 | $29.7M |
| 2025Q3 | 8 | $35.5M |
| 2025Q4 | 9 | $34.6M |
Who owns AAT
9 super-investors · 2025Q4
Tracked stake
1.83M
shares
Combined value
$35M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added2Trim5
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 499.8K | $9M |
| 2 | Ken Griffin Citadel Advisors | 275.7K | $5M |
| 3 | Izzy Englander Millennium Mgmt | 270.4K | $5M |
| 4 | Norges Bank Norway SWF | 257.7K | $5M |
| 5 | Wellington Management | 218.2K | $4M |
| 6 | Two Sigma Investments | 138.2K | $3M |
| 7 | Renaissance Technologies | 109.1K | $2M |
| 8 | T. Rowe Price | 45.6K | $863K |
| 9 | D.E. Shaw & Co. | 10.8K | $204K |
Recent moves
20 transactions
- +138,206 · 2025Q4
- −8,867 · 2025Q4
- −6,936 · 2025Q4
- −48,315 · 2025Q4
- −218,130 · 2025Q4
- −2,018 · 2025Q4
- TRIMD.E. Shaw & Co.−49,214 · 2025Q4
- +1,818 · 2025Q4
- +16,400 · 2025Q4
- +257,700 · 2025Q4
- −49,008 · 2025Q3
- −10,448 · 2025Q3
- +2,041 · 2025Q3
- +2,018 · 2025Q3
- +2,425 · 2025Q3
- TRIMD.E. Shaw & Co.−22,526 · 2025Q3
- −293,300 · 2025Q3
- +347,589 · 2025Q3
- −7,000 · 2025Q3
- −105,493 · 2025Q3
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