Ticker · CUSIP 03957W106
Holders (tracked)
14
Combined shares
9,349,150
Combined value
$243.26M
Last close
$36.30
Quarter
2025Q4
Price · 1Y$36.30+13.03 (+56.02%)H $37.04 · L $21.67 · Avg Vol 1.6M
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +39.5% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
26 events
- +1,016,739 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−661,408 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+761,504 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+258,659 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+146,379 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−616,112 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−839,535 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+284,762 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−391,530 shares · 2025Q4Position
- −42,230 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+53,200 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+719,502 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09−24,750 shares · 2025Q4Position
- −624,297 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+596,203 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+241,197 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+611,773 shares · 2025Q3Position
- Steve Cohen (Point72) exited2025-11-14−402,163 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+430,879 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+413,332 shares · 2025Q3Position
- Wellington Management added2025-11-14+239,763 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+229,228 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−132,723 shares · 2025Q3Position
- +42,230 shares · 2025Q3Position
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+11,231 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−263,037 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of AROC…
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 |
|---|---|---|---|---|
| Ken Fisher (Fisher Asset Mgmt) | 2023Q4 | $19.80 | +83.4% | $1.2M |
| Renaissance Technologies | 2016Q1 | $22.35 | +62.4% | $14.1M |
| T. Rowe Price | 2016Q1 | $23.42 | +55.0% | $5.7M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $23.78 | +52.6% | $42.5M |
| AQR Capital Management | 2016Q1 | $24.58 | +47.7% | $23.2M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $24.99 | +45.2% | $36.9M |
| Steve Cohen (Point72) | 2016Q1 | $25.12 | +44.5% | $10.3M |
| Two Sigma Investments | 2016Q1 | $25.54 | +42.1% | $26.7M |
| Wellington Management | 2016Q2 | $25.59 | +41.9% | $17.1M |
| D.E. Shaw & Co. | 2016Q1 | $25.79 | +40.8% | $57.7M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $26.02 | +39.5% | $2.7M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $26.02 | +39.5% | $2.7M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $26.02 | +39.5% | $2.7M |
| Norges Bank (Norway SWF) | 2016Q1 | $34.33 | +5.7% | $26.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Paul Tudor Jones (Tudor Investment)+1,016,739$26.5M
- Norges Bank (Norway SWF)+719,502$18.7M
- Steve Cohen (Point72)+284,762$7.4M
Added to4
- D.E. Shaw & Co.+761,504$19.8M
- AQR Capital Management+258,659$6.7M
- Two Sigma Investments+146,379$3.8M
- Renaissance Technologies+53,200$1.4M
Trimmed5
- Izzy Englander (Millennium Mgmt)−839,535$21.8M
- Ken Griffin (Citadel Advisors)−661,408$17.2M
- Wellington Management−616,112$16.0M
- Ken Fisher (Fisher Asset Mgmt)−24,750$644K
- T. Rowe Price−391,530$10K
Exited1
- Ray Dalio (Bridgewater Associates)−42,230$1.1M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $12.94B |
| 2022Q2 | 11 | $10.71B |
| 2022Q3 | 8 | $171.4M |
| 2022Q4 | 11 | $243.9M |
| 2023Q1 | 12 | $265.7M |
| 2023Q2 | 11 | $276.0M |
| 2023Q3 | 11 | $345.4M |
| 2023Q4 | 14 | $424.6M |
| 2024Q1 | 10 | $524.5M |
| 2024Q2 | 13 | $579.6M |
| 2024Q3 | 11 | $44.2M |
| 2024Q4 | 10 | $113.0M |
| 2025Q1 | 12 | $127.1M |
| 2025Q2 | 14 | $169.5M |
| 2025Q3 | 12 | $226.9M |
| 2025Q4 | 14 | $243.3M |
Who owns AROC
14 super-investors · 2025Q4
Tracked stake
9.35M
shares
Combined value
$243M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added4Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 2.05M | $53M |
| 2 | D.E. Shaw & Co. | 1.59M | $41M |
| 3 | Izzy Englander Millennium Mgmt | 1.17M | $30M |
| 4 | Paul Tudor Jones Tudor Investment | 1.02M | $26M |
| 5 | Two Sigma Investments | 734.2K | $19M |
| 6 | Norges Bank Norway SWF | 719.5K | $19M |
| 7 | AQR Capital Management | 638.6K | $17M |
| 8 | Wellington Management | 469.8K | $12M |
| 9 | Renaissance Technologies | 387.8K | $10M |
| 10 | Steve Cohen Point72 | 284.8K | $7M |
| 11 | T. Rowe Price | 157.8K | $4M |
| 12 | Ken Griffin Citadel Advisors | 74.9K | $2M |
| 13 | Ken Fisher Fisher Asset Mgmt | 32.1K | $835K |
| 14 | Ken Griffin Citadel Advisors | 26.6K | $692K |
Recent moves
20 transactions
- +146,379 · 2025Q4
- +1,016,739 · 2025Q4
- −616,112 · 2025Q4
- +258,659 · 2025Q4
- +761,504 · 2025Q4
- −839,535 · 2025Q4
- +284,762 · 2025Q4
- TRIMT. Rowe Price−391,530 · 2025Q4
- −661,408 · 2025Q4
- −42,230 · 2025Q4
- +53,200 · 2025Q4
- +719,502 · 2025Q4
- −24,750 · 2025Q4
- −624,297 · 2025Q3
- +596,203 · 2025Q3
- −402,163 · 2025Q3
- +430,879 · 2025Q3
- +611,773 · 2025Q3
- +413,332 · 2025Q3
- +239,763 · 2025Q3
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