Ticker · CUSIP 02361E108
Holders (tracked)
13
Combined shares
8,657,288
Combined value
$253.57M
Last close
$25.87
Quarter
2025Q4
Price · 1Y$25.87+15.92 (+160.00%)H $43.23 · L $8.66 · Avg Vol 614K
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
Price is -11.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
21 events
- +41,069 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+122,936 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+10,986 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+84,542 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+1,762 shares · 2025Q4Position
- +222,120 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−834,252 shares · 2025Q4Position
- Jeremy Grantham (GMO) trimmed2026-02-17−879,601 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+2,164 shares · 2025Q4Position
- Renaissance Technologies opened position2026-02-12+26,250 shares · 2025Q4Position
- −145,699 shares · 2025Q4Position
- −116,681 shares · 2025Q3Position
- AQR Capital Management opened position2025-11-14+10,410 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+253,153 shares · 2025Q3Position
- +51,547 shares · 2025Q3Position
- Two Sigma Investments exited2025-11-14−21,550 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+1,452 shares · 2025Q3Position
- Wellington Management added2025-11-14+2,981,689 shares · 2025Q3Position
- Jeremy Grantham (GMO) trimmed2025-11-13−643,538 shares · 2025Q3Position
- −33,435 shares · 2025Q3Position
- Norges Bank (Norway SWF) opened position2025-11-12+120,060 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of AMRC…
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 |
|---|---|---|---|---|
| Renaissance Technologies | 2016Q1 | $8.71 | +197.1% | $679K |
| AQR Capital Management | 2018Q2 | $16.56 | +56.2% | $325K |
| Two Sigma Investments | 2016Q1 | $18.69 | +38.4% | $284K |
| First Eagle Investment Management | 2022Q4 | $25.12 | +3.0% | $14.9M |
| Paul Tudor Jones (Tudor Investment) | 2022Q2 | $28.07 | -7.8% | $5.7M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $29.19 | -11.4% | $520K |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $29.19 | -11.4% | $520K |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $29.19 | -11.4% | $520K |
| Izzy Englander (Millennium Mgmt) | 2016Q2 | $31.50 | -17.9% | $3.5M |
| D.E. Shaw & Co. | 2016Q1 | $32.94 | -21.5% | $33.0M |
| Wellington Management | 2016Q3 | $33.53 | -22.8% | $100.9M |
| T. Rowe Price | 2020Q4 | $39.35 | -34.3% | $937K |
| Jeremy Grantham (GMO) | 2017Q2 | $57.39 | -54.9% | $60.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions4
- Paul Tudor Jones (Tudor Investment)+222,120$6.5M
- Ken Griffin (Citadel Advisors)+41,069$1.2M
- Renaissance Technologies+26,250$769K
- Two Sigma Investments+10,986$322K
Added to4
- D.E. Shaw & Co.+122,936$3.6M
- Izzy Englander (Millennium Mgmt)+84,542$2.5M
- AQR Capital Management+2,164$63K
- T. Rowe Price+1,762$52
Trimmed3
- Jeremy Grantham (GMO)−879,601$25.8M
- Wellington Management−834,252$24.4M
- First Eagle Investment Management−145,699$4.3M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $3.28B |
| 2022Q2 | 10 | $732.2M |
| 2022Q3 | 10 | $411.8M |
| 2022Q4 | 11 | $376.1M |
| 2023Q1 | 13 | $392.1M |
| 2023Q2 | 12 | $394.6M |
| 2023Q3 | 11 | $264.0M |
| 2023Q4 | 10 | $212.6M |
| 2024Q1 | 12 | $185.5M |
| 2024Q2 | 13 | $247.7M |
| 2024Q3 | 13 | $253.0M |
| 2024Q4 | 12 | $122.6M |
| 2025Q1 | 12 | $84.4M |
| 2025Q2 | 10 | $114.6M |
| 2025Q3 | 9 | $336.9M |
| 2025Q4 | 13 | $253.6M |
Who owns AMRC
13 super-investors · 2025Q4
Tracked stake
8.66M
shares
Combined value
$254M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New6Added4Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 3.90M | $114M |
| 2 | Jeremy Grantham GMO | 2.32M | $68M |
| 3 | D.E. Shaw & Co. | 1.28M | $37M |
| 4 | First Eagle Investment Management | 574.7K | $17M |
| 5 | Paul Tudor Jones Tudor Investment | 222.1K | $7M |
| 6 | Izzy Englander Millennium Mgmt | 136.1K | $4M |
| 7 | Ken Griffin Citadel Advisors | 74.9K | $2M |
| 8 | Ken Griffin Citadel Advisors | 41.1K | $1M |
| 9 | T. Rowe Price | 36.2K | $1M |
| 10 | Renaissance Technologies | 26.3K | $769K |
| 11 | Ken Griffin Citadel Advisors | 20.1K | $589K |
| 12 | AQR Capital Management | 12.6K | $368K |
| 13 | Two Sigma Investments | 11.0K | $322K |
Recent moves
20 transactions
- +41,069 · 2025Q4
- −879,601 · 2025Q4
- +10,986 · 2025Q4
- +222,120 · 2025Q4
- +1,762 · 2025Q4
- +2,164 · 2025Q4
- +122,936 · 2025Q4
- −834,252 · 2025Q4
- +84,542 · 2025Q4
- +26,250 · 2025Q4
- −145,699 · 2025Q4
- −116,681 · 2025Q3
- +253,153 · 2025Q3
- +1,452 · 2025Q3
- +10,410 · 2025Q3
- +51,547 · 2025Q3
- −21,550 · 2025Q3
- +2,981,689 · 2025Q3
- −643,538 · 2025Q3
- −33,435 · 2025Q3
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