Ticker · CUSIP 007408206

ADUR

ADURO CLEAN TECHNOLOGIES INC
···Share
Holders (tracked)
3
Combined shares
99,462
Combined value
$1.03M
Last close
$11.23
Quarter
2025Q4
Price · 1Y$11.23+6.81 (+154.07%)H $17.39 · L $4.28 · Avg Vol 311K
Position opened
$5.00$10.00$15.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 4 quarters.
312024Q42025Q4
Price is +8.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

3 events
  1. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −43,200 shares · 2025Q4
    Position
  2. Two Sigma Investments trimmed2026-02-17
    −9,633 shares · 2025Q4
    Position
  3. Two Sigma Investments opened position2025-11-14
    +39,395 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for ADUR →
Follow-the-investor returns
If you'd copied each holder of ADUR…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2024Q4$10.70+4.9%$594K
Ken Griffin (Citadel Advisors)2024Q4$10.70+4.9%$594K
Two Sigma Investments2025Q3$13.40-16.2%$334K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to0
—
Trimmed2
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2024Q4
1
$139K
2025Q2
1
$151K
2025Q3
3
$2.0M
2025Q4
3
$1.0M

Who owns ADUR

3 super-investors · 2025Q4
Tracked stake
99.5K
shares
Combined value
$1M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim3
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
52.9K$548K
2Two Sigma Investments29.8K$308K
3Ken Griffin
Citadel Advisors
16.8K$174K

Recent moves

3 transactions
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