Ticker · CUSIP 00972D105
Holders (tracked)
11
Combined shares
12,033,404
Combined value
$19.37M
Last close
$1.41
Quarter
2025Q4
Price · 1Y$1.40-0.65 (-31.80%)H $4.01 · L $1.18 · Avg Vol 3.9M
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is -12.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
16 events
- Ken Griffin (Citadel Advisors) added2026-02-17+1,479,711 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−23,604 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+90,619 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−1,203,768 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+9,511 shares · 2025Q4Position
- +10,900 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−83,339 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+204,207 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−359,594 shares · 2025Q4Position
- AQR Capital Management added2025-11-14+16,523 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+693,738 shares · 2025Q3Position
- Steve Cohen (Point72) exited2025-11-14−93,721 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+19,905 shares · 2025Q3Position
- Wellington Management added2025-11-14+174,076 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−179,963 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−241,700 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of AKBA…
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) | 2016Q1 | $0.96 | +45.8% | $15K |
| Renaissance Technologies | 2016Q1 | $1.24 | +13.5% | $5.0M |
| Two Sigma Investments | 2017Q2 | $1.54 | -8.7% | $127K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $1.66 | -15.4% | $206K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $1.66 | -15.4% | $206K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $1.66 | -15.4% | $206K |
| T. Rowe Price | 2018Q1 | $1.84 | -23.7% | $299K |
| AQR Capital Management | 2017Q3 | $2.23 | -37.0% | $909K |
| Izzy Englander (Millennium Mgmt) | 2016Q2 | $2.69 | -47.7% | $2.3M |
| D.E. Shaw & Co. | 2016Q1 | $3.34 | -57.9% | $22K |
| Wellington Management | 2016Q1 | $4.37 | -67.9% | $1.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Two Sigma Investments+90,619$146K
- Paul Tudor Jones (Tudor Investment)+10,900$18K
Added to3
- Ken Griffin (Citadel Advisors)+1,479,711$2.4M
- AQR Capital Management+204,207$329K
- T. Rowe Price+9,511$15
Trimmed4
- Izzy Englander (Millennium Mgmt)−1,203,768$1.9M
- Renaissance Technologies−359,594$579K
- Wellington Management−83,339$134K
- D.E. Shaw & Co.−23,604$38K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $14.8M |
| 2022Q2 | 10 | $4.6M |
| 2022Q3 | 9 | $3.8M |
| 2022Q4 | 9 | $4.6M |
| 2023Q1 | 7 | $3.5M |
| 2023Q2 | 9 | $7.9M |
| 2023Q3 | 8 | $10.3M |
| 2023Q4 | 9 | $14.0M |
| 2024Q1 | 8 | $18.5M |
| 2024Q2 | 8 | $16.6M |
| 2024Q3 | 10 | $6.4M |
| 2024Q4 | 8 | $11.1M |
| 2025Q1 | 10 | $19.4M |
| 2025Q2 | 10 | $38.3M |
| 2025Q3 | 9 | $32.4M |
| 2025Q4 | 11 | $19.4M |
Who owns AKBA
11 super-investors · 2025Q4
Tracked stake
12.03M
shares
Combined value
$19M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added5Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 4.67M | $8M |
| 2 | Renaissance Technologies | 3.59M | $6M |
| 3 | Izzy Englander Millennium Mgmt | 1.65M | $3M |
| 4 | Wellington Management | 786.5K | $1M |
| 5 | AQR Capital Management | 646.7K | $1M |
| 6 | T. Rowe Price | 212.7K | $343K |
| 7 | Ken Griffin Citadel Advisors | 211.7K | $341K |
| 8 | Ken Griffin Citadel Advisors | 146.7K | $236K |
| 9 | Two Sigma Investments | 90.6K | $146K |
| 10 | D.E. Shaw & Co. | 15.5K | $25K |
| 11 | Paul Tudor Jones Tudor Investment | 10.9K | $18K |
Recent moves
20 transactions
- +90,619 · 2025Q4
- +204,207 · 2025Q4
- +1,479,711 · 2025Q4
- +9,511 · 2025Q4
- TRIMD.E. Shaw & Co.−23,604 · 2025Q4
- −1,203,768 · 2025Q4
- +10,900 · 2025Q4
- −83,339 · 2025Q4
- −359,594 · 2025Q4
- +19,905 · 2025Q3
- TRIMD.E. Shaw & Co.−179,963 · 2025Q3
- +16,523 · 2025Q3
- +174,076 · 2025Q3
- −93,721 · 2025Q3
- +693,738 · 2025Q3
- −241,700 · 2025Q3
- +91,531 · 2025Q2
- +29,894 · 2025Q2
- +959,647 · 2025Q2
- +145,928 · 2025Q2
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