Ticker · CUSIP 038923108
Holders (tracked)
13
Combined shares
6,305,370
Combined value
$48.93M
Last close
$8.01
Quarter
2025Q4
Price · 1Y$8.01-1.74 (-17.87%)H $11.62 · L $6.92 · Avg Vol 3.4M
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +3.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
18 events
- Ken Griffin (Citadel Advisors) added2026-02-17+71,519 shares · 2025Q4Position
- D.E. Shaw & Co. exited2026-02-17−70,814 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−2,000 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+956,625 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+20,532 shares · 2025Q4Position
- +941,746 shares · 2025Q4Position
- −140,000 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−12,111 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) exited2026-02-09−10,024 shares · 2025Q4Position
- −47,221 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+70,814 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+63,471 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+13,802 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+8,173 shares · 2025Q3Position
- −100,000 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−161,206 shares · 2025Q3Position
- +10,024 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−228,577 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ABR…
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 |
|---|---|---|---|---|
| Paul Tudor Jones (Tudor Investment) | 2018Q2 | $8.07 | -0.8% | $193K |
| Paul Tudor Jones (Tudor Investment) | 2018Q2 | $8.07 | -0.8% | $193K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $8.40 | -4.6% | $8.3M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $8.40 | -4.6% | $8.3M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $8.40 | -4.6% | $8.3M |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $8.60 | -6.9% | $5.8M |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $8.60 | -6.9% | $5.8M |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $8.60 | -6.9% | $5.8M |
| D.E. Shaw & Co. | 2016Q1 | $9.26 | -13.5% | $2.0M |
| T. Rowe Price | 2016Q1 | $11.36 | -29.5% | $1.4M |
| AQR Capital Management | 2020Q3 | $11.76 | -31.9% | $277K |
| Two Sigma Investments | 2016Q1 | $12.12 | -33.9% | $731K |
| Leon Cooperman (Omega Family Office) | 2019Q1 | $13.11 | -38.9% | $12.5M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Paul Tudor Jones (Tudor Investment)+941,746$7.3M
Added to3
- Izzy Englander (Millennium Mgmt)+956,625$7.4M
- Ken Griffin (Citadel Advisors)+71,519$555K
- T. Rowe Price+20,532$159
Trimmed3
- Leon Cooperman (Omega Family Office)−140,000$1.1M
- AQR Capital Management−12,111$94K
- Two Sigma Investments−2,000$16K
Exited2
- D.E. Shaw & Co.−70,814$865K
- Ken Fisher (Fisher Asset Mgmt)−10,024$122K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 15 | $61.46B |
| 2022Q2 | 14 | $47.04B |
| 2022Q3 | 14 | $274.4M |
| 2022Q4 | 15 | $318.5M |
| 2023Q1 | 16 | $340.7M |
| 2023Q2 | 15 | $520.3M |
| 2023Q3 | 15 | $476.7M |
| 2023Q4 | 13 | $525.8M |
| 2024Q1 | 15 | $498.2M |
| 2024Q2 | 17 | $503.9M |
| 2024Q3 | 18 | $138.2M |
| 2024Q4 | 15 | $120.1M |
| 2025Q1 | 12 | $56.4M |
| 2025Q2 | 11 | $40.2M |
| 2025Q3 | 11 | $43.4M |
| 2025Q4 | 13 | $48.9M |
Who owns ABR
13 super-investors · 2025Q4
Tracked stake
6.31M
shares
Combined value
$49M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added7Trim3Sold1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Leon Cooperman Omega Family Office | 1.56M | $12M |
| 2 | Izzy Englander Millennium Mgmt | 1.04M | $8M |
| 3 | Paul Tudor Jones Tudor Investment | 941.7K | $7M |
| 4 | Ken Griffin Citadel Advisors | 727.2K | $6M |
| 5 | Izzy Englander Millennium Mgmt | 700.0K | $5M |
| 6 | Ken Griffin Citadel Advisors | 467.3K | $4M |
| 7 | D.E. Shaw & Co. | 250.0K | $2M |
| 8 | T. Rowe Price | 179.5K | $1M |
| 9 | Izzy Englander Millennium Mgmt | 152.2K | $1M |
| 10 | Ken Griffin Citadel Advisors | 139.8K | $1M |
| 11 | Two Sigma Investments | 91.2K | $708K |
| 12 | AQR Capital Management | 34.5K | $268K |
| 13 | Paul Tudor Jones Tudor Investment | 24.1K | $187K |
Recent moves
20 transactions
- +71,519 · 2025Q4
- −2,000 · 2025Q4
- −12,111 · 2025Q4
- +956,625 · 2025Q4
- +20,532 · 2025Q4
- SOLDD.E. Shaw & Co.−70,814 · 2025Q4
- +941,746 · 2025Q4
- −140,000 · 2025Q4
- −10,024 · 2025Q4
- −47,221 · 2025Q3
- +13,802 · 2025Q3
- +63,471 · 2025Q3
- −100,000 · 2025Q3
- +8,173 · 2025Q3
- +70,814 · 2025Q3
- −161,206 · 2025Q3
- −228,577 · 2024Q3
- +10,024 · 2025Q3
- −72,224 · 2025Q2
- +20,489 · 2025Q2
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