Ticker · CUSIP 239360100
Holders (tracked)
3
Combined shares
105,486
Combined value
$164.6K
Last close
$2.58
Quarter
2025Q4
Price · 1Y$2.58+1.37 (+113.22%)H $4.90 · L $1.13 · Avg Vol 344K
Position opened
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +65.4% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
5 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−14,129 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+7,991 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−8,188 shares · 2025Q4Position
- Two Sigma Investments opened position2025-11-14+29,425 shares · 2025Q3Position
- Renaissance Technologies opened position2025-11-13+29,788 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of DWSN…
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) | 2019Q4 | $1.62 | +58.9% | $120K |
| Two Sigma Investments | 2016Q3 | $3.37 | -23.5% | $97K |
| Renaissance Technologies | 2016Q1 | $5.08 | -49.3% | $56K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to1
- Two Sigma Investments+7,991$12K
Trimmed2
- Ken Griffin (Citadel Advisors)−14,129$22K
- Renaissance Technologies−8,188$13K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2021Q4 | 1 | $3.5M |
| 2022Q1 | 1 | $125K |
| 2022Q2 | 1 | $29K |
| 2022Q3 | 1 | $23K |
| 2022Q4 | 1 | $30K |
| 2023Q1 | 1 | $25K |
| 2023Q2 | 1 | $31K |
| 2023Q3 | 1 | $33K |
| 2023Q4 | 2 | $56K |
| 2024Q1 | 2 | $48K |
| 2024Q2 | 2 | $47K |
| 2024Q3 | 1 | $24K |
| 2025Q1 | 1 | $45K |
| 2025Q2 | 1 | $53K |
| 2025Q3 | 3 | $211K |
| 2025Q4 | 3 | $165K |
Who owns DWSN
3 super-investors · 2025Q4
Tracked stake
105.5K
shares
Combined value
$165K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 46.5K | $72K |
| 2 | Two Sigma Investments | 37.4K | $58K |
| 3 | Renaissance Technologies | 21.6K | $34K |
Recent moves
20 transactions
- +7,991 · 2025Q4
- −14,129 · 2025Q4
- −8,188 · 2025Q4
- +29,425 · 2025Q3
- +29,788 · 2025Q3
- TRIMBlackRock−996 · 2024Q2
- TRIMBlackRock−332 · 2024Q1
- TRIMBlackRock−166 · 2023Q4
- TRIMBlackRock−950 · 2023Q3
- TRIMBlackRock−582 · 2023Q2
- ADDBlackRock+498 · 2023Q1
- ADDBlackRock+332 · 2022Q4
- TRIMBlackRock−6,477 · 2022Q3
- TRIMBlackRock−32,214 · 2022Q2
- −1,489,714 · 2022Q1
- NEWBlackRock+53,599 · 2022Q1
- SOLDBlackRock−780,698 · 2021Q4
- SOLDT. Rowe Price−30,980 · 2021Q4
- −47,614 · 2021Q4
- −117,074 · 2021Q3
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