Ticker · CUSIP 00809R202

ATHR

AETHER HLDGS INC NEW
···Share
Holders (tracked)
1
Combined shares
40,716
Combined value
$252.4K
Last close
$3.20
Quarter
2025Q4
Price · 1Y$3.20-2.06 (-39.16%)H $17.39 · L $2.01 · Avg Vol 42K
Position opened
$5.00$10.00$15.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
112025Q22025Q4
Price is -48.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

2 events
  1. Ken Griffin (Citadel Advisors) opened position2026-02-17
    +40,716 shares · 2025Q4
    Position
  2. Izzy Englander (Millennium Mgmt) exited2025-11-14
    −27,055 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for ATHR →
Follow-the-investor returns
If you'd copied each holder of ATHR…
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)2025Q4$6.20-48.4%$130K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed0
—
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2025Q2
1
$369K
2025Q4
1
$252K

Who owns ATHR

1 super-investors · 2025Q4
Tracked stake
40.7K
shares
Combined value
$252K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
40.7K$252K

Recent moves

3 transactions
Embed this chart
Paste this iframe anywhere to embed the live ATHR chart.
<iframe src="https://openstocks.me/embed/stocks/ATHR" width="100%" height="480" frameborder="0" loading="lazy" title="ATHR chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Preview: https://openstocks.me/embed/stocks/ATHR
Explore related topics