Ticker · CUSIP 03940C100
Holders (tracked)
12
Combined shares
4,398,434
Combined value
$181.86M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) added2026-02-17+478,770 shares · 2025Q4Position
- D.E. Shaw & Co. opened position2026-02-17+25,165 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−31,520 shares · 2025Q4Position
- +46,029 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+346,750 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−17,423 shares · 2025Q4Position
- Ron Baron (Baron Capital / BAMCO) added2026-02-17+59,461 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−23,755 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+16,707 shares · 2025Q4Position
- +322,855 shares · 2025Q4Position
- −23,197 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−174,722 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−9,210 shares · 2025Q3Position
- Ron Baron (Baron Capital / BAMCO) added2025-11-14+32,227 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+23,158 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−54,221 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−11,221 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 positions4
- Ken Fisher (Fisher Asset Mgmt)+322,855$21.1M
- Paul Tudor Jones (Tudor Investment)+46,029$3.0M
- D.E. Shaw & Co.+25,165$1.6M
- Norges Bank (Norway SWF)+16,707$1.1M
Added to3
- Ken Griffin (Citadel Advisors)+478,770$31.2M
- Ron Baron (Baron Capital / BAMCO)+59,461$3.9M
- T. Rowe Price+346,750$23K
Trimmed3
- Izzy Englander (Millennium Mgmt)−31,520$2.1M
- AQR Capital Management−23,755$1.5M
- Wellington Management−17,423$1.1M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 3 | $26.3M |
| 2022Q2 | 4 | $44.3M |
| 2022Q3 | 5 | $70K |
| 2022Q4 | 11 | $135.2M |
| 2023Q1 | 10 | $123.8M |
| 2023Q2 | 12 | $117.1M |
| 2023Q3 | 11 | $108.8M |
| 2023Q4 | 10 | $186.5M |
| 2024Q1 | 12 | $259.6M |
| 2024Q2 | 10 | $219.7M |
| 2024Q3 | 12 | $43.0M |
| 2024Q4 | 12 | $44.3M |
| 2025Q1 | 12 | $94.1M |
| 2025Q2 | 10 | $79.9M |
| 2025Q3 | 8 | $157.0M |
| 2025Q4 | 12 | $181.9M |
Who owns ACLX
12 super-investors · 2025Q4
Tracked stake
4.40M
shares
Combined value
$182M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added5Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 1.50M | $98M |
| 2 | Ron Baron Baron Capital / BAMCO | 609.7K | $40M |
| 3 | Ken Fisher Fisher Asset Mgmt | 322.9K | $21M |
| 4 | Wellington Management | 214.8K | $14M |
| 5 | Paul Tudor Jones Tudor Investment | 46.0K | $3M |
| 6 | Ken Griffin Citadel Advisors | 30.2K | $2M |
| 7 | D.E. Shaw & Co. | 25.2K | $2M |
| 8 | Norges Bank Norway SWF | 16.7K | $1M |
| 9 | Izzy Englander Millennium Mgmt | 8.8K | $575K |
| 10 | AQR Capital Management | 8.0K | $519K |
| 11 | Ken Griffin Citadel Advisors | 5.2K | $339K |
| 12 | T. Rowe Price | 1.61M | $105K |
Recent moves
20 transactions
- +25,165 · 2025Q4
- +59,461 · 2025Q4
- +346,750 · 2025Q4
- +46,029 · 2025Q4
- −23,755 · 2025Q4
- +478,770 · 2025Q4
- −17,423 · 2025Q4
- −31,520 · 2025Q4
- +16,707 · 2025Q4
- +322,855 · 2025Q4
- −23,197 · 2025Q3
- −9,210 · 2025Q3
- +32,227 · 2025Q3
- TRIMT. Rowe Price−174,722 · 2025Q3
- −54,221 · 2025Q3
- +23,158 · 2025Q3
- −11,221 · 2025Q3
- +43,506 · 2025Q2
- TRIMT. Rowe Price−400,851 · 2025Q2
- −6,900 · 2025Q2
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