Ticker · CUSIP 04208T108
Holders (tracked)
6
Combined shares
1,326,872
Combined value
$8.78M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
SEC event timeline
13 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−50,900 shares · 2025Q4Position
- D.E. Shaw & Co. exited2026-02-17−45,105 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+452,935 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+17,336 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+60,101 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−193,761 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−236,066 shares · 2025Q4Position
- AQR Capital Management trimmed2025-11-14−6,533 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−11,521 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+14,320 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−117,380 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+34,635 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−538,900 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to3
- Two Sigma Investments+452,935$3.0M
- Izzy Englander (Millennium Mgmt)+17,336$115K
- T. Rowe Price+60,101$398
Trimmed3
- Renaissance Technologies−236,066$1.6M
- AQR Capital Management−193,761$1.3M
- Ken Griffin (Citadel Advisors)−50,900$337K
Exited1
- D.E. Shaw & Co.−45,105$316K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $227.5M |
| 2022Q2 | 8 | $198.6M |
| 2022Q3 | 10 | $161.5M |
| 2022Q4 | 9 | $176.9M |
| 2023Q1 | 13 | $189.4M |
| 2023Q2 | 10 | $185.2M |
| 2023Q3 | 11 | $159.7M |
| 2023Q4 | 10 | $194.0M |
| 2024Q1 | 10 | $163.8M |
| 2024Q2 | 12 | $177.5M |
| 2024Q3 | 12 | $53.1M |
| 2024Q4 | 8 | $31.6M |
| 2025Q1 | 9 | $16.8M |
| 2025Q2 | 9 | $14.1M |
| 2025Q3 | 8 | $9.3M |
| 2025Q4 | 6 | $8.8M |
Who owns AHRT
6 super-investors · 2025Q4
Tracked stake
1.33M
shares
Combined value
$9M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added3Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 611.1K | $4M |
| 2 | Renaissance Technologies | 303.7K | $2M |
| 3 | T. Rowe Price | 168.1K | $1M |
| 4 | AQR Capital Management | 124.3K | $823K |
| 5 | Izzy Englander Millennium Mgmt | 67.3K | $446K |
| 6 | Ken Griffin Citadel Advisors | 52.3K | $346K |
Recent moves
20 transactions
- SOLDD.E. Shaw & Co.−45,105 · 2025Q4
- +452,935 · 2025Q4
- −50,900 · 2025Q4
- +17,336 · 2025Q4
- +60,101 · 2025Q4
- −193,761 · 2025Q4
- −236,066 · 2025Q4
- −6,533 · 2025Q3
- −117,380 · 2025Q3
- +34,635 · 2025Q3
- −11,521 · 2025Q3
- +14,320 · 2025Q3
- −538,900 · 2025Q3
- +14,875 · 2025Q2
- +297,374 · 2025Q2
- −18,911 · 2025Q2
- TRIMD.E. Shaw & Co.−1,510 · 2025Q2
- +9,699 · 2025Q2
- −438,800 · 2025Q2
- −240,357 · 2025Q1
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