Ticker · CUSIP 040712101
Holders (tracked)
2
Combined shares
36,723
Combined value
$246.2K
Last close
$7.03
Quarter
2025Q4
Price · 1Y$7.03-1.40 (-16.61%)H $12.28 · L $6.02 · Avg Vol 7K
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +4.8% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
2 events
- +10,312 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−1,100 shares · 2025Q4Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ARKR…
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 Griffin (Citadel Advisors) | 2023Q2 | $16.00 | -56.1% | $72K |
| Renaissance Technologies | 2016Q1 | $20.38 | -65.5% | $186K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Ken Griffin (Citadel Advisors)+10,312$69K
Added to0
—
Trimmed1
- Renaissance Technologies−1,100$7K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 2 | $736K |
| 2022Q2 | 2 | $767K |
| 2022Q3 | 2 | $741K |
| 2022Q4 | 2 | $729K |
| 2023Q1 | 2 | $804K |
| 2023Q2 | 3 | $943K |
| 2023Q3 | 2 | $601K |
| 2023Q4 | 2 | $543K |
| 2024Q1 | 2 | $515K |
| 2024Q2 | 2 | $494K |
| 2024Q3 | 1 | $347K |
| 2024Q4 | 1 | $306K |
| 2025Q1 | 2 | $387K |
| 2025Q2 | 2 | $375K |
| 2025Q3 | 1 | $196K |
| 2025Q4 | 2 | $246K |
Who owns ARKR
2 super-investors · 2025Q4
Tracked stake
36.7K
shares
Combined value
$246K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 26.4K | $177K |
| 2 | Ken Griffin Citadel Advisors | 10.3K | $69K |
Recent moves
20 transactions
- +10,312 · 2025Q4
- −1,100 · 2025Q4
- −100 · 2025Q2
- −200 · 2025Q1
- −1,100 · 2024Q4
- −200 · 2024Q3
- ADDBlackRock+421 · 2024Q2
- −200 · 2024Q2
- −900 · 2024Q1
- TRIMBlackRock−219 · 2024Q1
- TRIMBlackRock−347 · 2023Q4
- −500 · 2023Q4
- −1,200 · 2023Q3
- TRIMBlackRock−182 · 2023Q3
- −4,900 · 2023Q2
- ADDBlackRock+216 · 2023Q2
- +2,300 · 2023Q1
- TRIMBlackRock−798 · 2023Q1
- +3,800 · 2022Q4
- ADDBlackRock+352 · 2022Q4
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- ARKR insider tradingEvery Form 4 filing by ARKR officers, directors, and 10%+ holders.
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