Aether Holdings
ATHR
6 hedge funds and large institutions have $740K invested in Aether Holdings in 2025 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 4 increasing their positions, 0 reducing their positions, and 0 closing their positions.
101% more capital invested
Capital invested by funds: $368K → $740K (+$372K)
20% more funds holding
Funds holding: 5 → 6 (+1)
0.48% more ownership
Funds ownership: 0.5% → 0.98% (+0.48%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$243K |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$75.8K |
| 3 |
BlackRock
New York
|
+$26.1K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$2.18K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$739 |
Top Sellers
ATHR Hedge Fund Activity: Q4 2025 in Review
6 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in Aether Holdings (ATHR) for Q4 2025, worth a combined $740K — up 101% from $368K a quarter earlier.
Buyers outnumbered sellers: 1 fund opened new ATHR positions and 0 closed out — a net gain of 1 holder — while 4 added to existing stakes and 0 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $243K.
- 6 institutional investors held Aether Holdings (ATHR) as of Q4 2025, up from 5 in Q3 2025.
- Funds reported $740K of Aether Holdings stock for Q4 2025, up 101% quarter-over-quarter.
- 1 fund opened new Aether Holdings positions in Q4 2025 and 0 closed out, a net change of +1 holder.
- The largest Aether Holdings buyer in Q4 2025 was Citadel Advisors, an estimated $243K added.
Based on aggregated 13F filings for Q4 2025.