Ticker · CUSIP 004225108
Holders (tracked)
14
Combined shares
12,598,941
Combined value
$320.10M
Last close
$21.25
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is -16.4% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
24 events
- Ken Griffin (Citadel Advisors) added2026-02-17+1,043,939 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+453,226 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−534,376 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−929,561 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+1,890,954 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−485,714 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−2,052 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−16,084 shares · 2025Q413F
- −25,066 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+83,063 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+1,507,527 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+26,595 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2025-11-14−403,360 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+1,414,315 shares · 2025Q313F
- T. Rowe Price added2025-11-14+172,132 shares · 2025Q313F
- AQR Capital Management added2025-11-14+329,129 shares · 2025Q313F
- Steve Cohen (Point72) trimmed2025-11-14−1,686,154 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+182,793 shares · 2025Q313F
- Wellington Management added2025-11-14+5,743 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−98,199 shares · 2025Q313F
- +163,245 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−1,468,647 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−119,070 shares · 2024Q313F
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+328,181 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ACAD…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $10.56 | +101.2% | $13.1M |
| Renaissance Technologies | 2018Q2 | $14.23 | +49.3% | $32.6M |
| Wellington Management | 2016Q1 | $16.06 | +32.4% | $1.1M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $21.11 | +0.7% | $11.8M |
| AQR Capital Management | 2016Q1 | $21.30 | -0.2% | $12.9M |
| Two Sigma Investments | 2016Q4 | $21.32 | -0.3% | $23.8M |
| Ray Dalio (Bridgewater Associates) | 2022Q1 | $21.41 | -0.8% | $2.9M |
| Ken Fisher (Fisher Asset Mgmt) | 2023Q4 | $22.38 | -5.1% | $14.1M |
| Steve Cohen (Point72) | 2016Q1 | $22.62 | -6.1% | $71.8M |
| D.E. Shaw & Co. | 2016Q1 | $24.43 | -13.0% | $21.8M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $25.45 | -16.5% | $255K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $25.45 | -16.5% | $255K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $25.45 | -16.5% | $255K |
| Norges Bank (Norway SWF) | 2016Q1 | $3288.87 | -99.4% | $32.0M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+1,507,527$40.3M
Added to5
- Steve Cohen (Point72)+1,890,954$50.5M
- Ken Griffin (Citadel Advisors)+1,043,939$27.9M
- Two Sigma Investments+453,226$12.1M
- Renaissance Technologies+83,063$2.2M
- Ken Fisher (Fisher Asset Mgmt)+26,595$710K
Trimmed6
- Izzy Englander (Millennium Mgmt)−929,561$24.8M
- D.E. Shaw & Co.−534,376$14.3M
- Ray Dalio (Bridgewater Associates)−25,066$670K
- AQR Capital Management−16,084$430K
- Wellington Management−2,052$55K
- T. Rowe Price−485,714$13K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $29.64B |
| 2022Q2 | 15 | $23.77B |
| 2022Q3 | 13 | $32.7M |
| 2022Q4 | 15 | $313.0M |
| 2023Q1 | 15 | $356.8M |
| 2023Q2 | 13 | $445.5M |
| 2023Q3 | 14 | $406.4M |
| 2023Q4 | 12 | $498.0M |
| 2024Q1 | 17 | $323.2M |
| 2024Q2 | 16 | $409.5M |
| 2024Q3 | 13 | $139.5M |
| 2024Q4 | 13 | $209.5M |
| 2025Q1 | 13 | $172.0M |
| 2025Q2 | 13 | $269.4M |
| 2025Q3 | 13 | $184.0M |
| 2025Q4 | 14 | $320.1M |
Who owns ACAD
14 super-investors · 2025Q4
Tracked stake
12.60M
shares
Combined value
$320M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Steve Cohen Point72 | 3.38M | $90M |
| 2 | Renaissance Technologies | 1.53M | $41M |
| 3 | Norges Bank Norway SWF | 1.51M | $40M |
| 4 | Ken Griffin Citadel Advisors | 1.37M | $37M |
| 5 | Two Sigma Investments | 1.12M | $30M |
| 6 | D.E. Shaw & Co. | 1.03M | $27M |
| 7 | Ken Fisher Fisher Asset Mgmt | 665.1K | $18M |
| 8 | AQR Capital Management | 604.7K | $16M |
| 9 | Izzy Englander Millennium Mgmt | 553.7K | $15M |
| 10 | Ray Dalio Bridgewater Associates | 138.2K | $4M |
| 11 | Wellington Management | 53.3K | $1M |
| 12 | Ken Griffin Citadel Advisors | 26.0K | $694K |
| 13 | Ken Griffin Citadel Advisors | 12.0K | $321K |
| 14 | T. Rowe Price | 615.2K | $16K |
Recent moves
20 transactions
- −2,052 · 2025Q4
- +1,043,939 · 2025Q4
- −929,561 · 2025Q4
- +1,890,954 · 2025Q4
- +453,226 · 2025Q4
- −16,084 · 2025Q4
- TRIMT. Rowe Price−485,714 · 2025Q4
- TRIMD.E. Shaw & Co.−534,376 · 2025Q4
- −25,066 · 2025Q4
- +83,063 · 2025Q4
- +1,507,527 · 2025Q4
- +26,595 · 2025Q4
- −1,686,154 · 2025Q3
- +5,743 · 2025Q3
- TRIMD.E. Shaw & Co.−403,360 · 2025Q3
- +1,414,315 · 2025Q3
- +172,132 · 2025Q3
- +182,793 · 2025Q3
- +329,129 · 2025Q3
- −1,468,647 · 2025Q3
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