Ticker · CUSIP 00289Y206
Holders (tracked)
8
Combined shares
973,498
Combined value
$5.00M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
13 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−145,828 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−20,419 shares · 2025Q413F
- Wellington Management exited2026-02-17−150,929 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−365,781 shares · 2025Q413F
- T. Rowe Price added2026-02-17+969 shares · 2025Q413F
- AQR Capital Management added2026-02-17+80,908 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−410,237 shares · 2025Q413F
- T. Rowe Price added2025-11-14+1,249 shares · 2025Q313F
- AQR Capital Management opened position2025-11-14+33,612 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+452,334 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−23,585 shares · 2025Q313F
- D.E. Shaw & Co. opened position2025-11-14+126,384 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+226,500 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
- AQR Capital Management+80,908$426K
- T. Rowe Price+969$5
Trimmed4
- Renaissance Technologies−410,237$2.2M
- Izzy Englander (Millennium Mgmt)−365,781$1.9M
- Ken Griffin (Citadel Advisors)−145,828$769K
- D.E. Shaw & Co.−20,419$108K
Exited1
- Wellington Management−150,929$797K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q3 | 2 | $376 |
| 2022Q4 | 4 | $3.7M |
| 2023Q1 | 4 | $3.4M |
| 2023Q2 | 5 | $8.1M |
| 2023Q3 | 5 | $9.9M |
| 2023Q4 | 8 | $12.7M |
| 2024Q1 | 8 | $16.8M |
| 2024Q2 | 7 | $16.1M |
| 2024Q3 | 5 | $15.7M |
| 2024Q4 | 5 | $12.4M |
| 2025Q1 | 6 | $5.4M |
| 2025Q2 | 5 | $4.6M |
| 2025Q3 | 8 | $9.9M |
| 2025Q4 | 8 | $5.0M |
Who owns ABEO
8 super-investors · 2025Q4
Tracked stake
973.5K
shares
Combined value
$5M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added2Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 343.6K | $2M |
| 2 | Ken Griffin Citadel Advisors | 127.6K | $673K |
| 3 | Renaissance Technologies | 116.2K | $612K |
| 4 | AQR Capital Management | 114.5K | $604K |
| 5 | D.E. Shaw & Co. | 106.0K | $558K |
| 6 | Ken Griffin Citadel Advisors | 84.0K | $443K |
| 7 | Ken Griffin Citadel Advisors | 57.5K | $303K |
| 8 | T. Rowe Price | 24.1K | $128 |
Recent moves
20 transactions
- −365,781 · 2025Q4
- +80,908 · 2025Q4
- −150,929 · 2025Q4
- TRIMD.E. Shaw & Co.−20,419 · 2025Q4
- +969 · 2025Q4
- −145,828 · 2025Q4
- −410,237 · 2025Q4
- +1,249 · 2025Q3
- −23,585 · 2025Q3
- +33,612 · 2025Q3
- +452,334 · 2025Q3
- +126,384 · 2025Q3
- +226,500 · 2025Q3
- −552,951 · 2025Q2
- +21,909 · 2025Q2
- +21,393 · 2025Q2
- +168,400 · 2025Q2
- −1,307,203 · 2025Q1
- +42,300 · 2025Q1
- +153,121 · 2025Q1
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