Aether Holdings, Inc. Common Stock
Aether Holdings, Inc. Common Stock (ATHR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ATHR · as of Sep 30, 2025
Ownership Breakdown
5
Institutional Holders
▼ 1 vs Q2
$367,793
Total Inst. Value
▼ $820,249 vs Q2
12.14M
Shares Outstanding
freeFloat 32.92%
61,003
13F Shares Held
▼ 26,065 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ATHR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 7 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-prepackaged software | 32.4K | 26.79% | 26.79% | $195.52M | Nov 7, 2025 | — held |
GEODE CAPITAL MANAGEMENT, LLC services-prepackaged software | 23.2K | 19.14% | 19.14% | $139.64M | Nov 12, 2025 | ▲ 1.6K |
BLACKROCK, INC. services-prepackaged software | 5.2K | 4.31% | 4.31% | $31.42M | Nov 12, 2025 | ▲ 144 |
UBS GROUP AG services-prepackaged software | 199 | 0.16% | 0.16% | $1.20M | Nov 13, 2025 | NEW |
BANK OF AMERICA CORP /DE/ services-prepackaged software | 2 | 0.00% | 0.00% | $12,000 | Feb 3, 2026 | ▼ 14 |
MILLENNIUM MANAGEMENT LLC services-prepackaged software | 0 | 0.00% | 0.00% | $0 | Nov 14, 2025 | EXIT |
TOWER RESEARCH CAPITAL LLC (TRC) services-prepackaged software | 0 | 0.00% | 0.00% | $0 | Nov 14, 2025 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
2
Increased
+1.8K shares1
New Positions
first time holders1
Decreased
−14 shares2
Sold Out
fully exitedNet shares change (top 50)
+1.8K
+1.8K / −14
Net new holders
+0
1 new / 2 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ATHR insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Rabinovitsj Daniel A Senior Vice President & GM | May 24, 2011 | Award | 33,500 | — | — | 111.1K | Form 4 ↗ |
Rabinovitsj Daniel A Senior Vice President & GM | May 24, 2011 | D-Return | 15,500 | — | — | 111.1K | Form 4 ↗ |
Rabinovitsj Daniel A Senior Vice President & GM | May 24, 2011 | D-Return | 109,593 | — | — | 1.5K | Form 4 ↗ |
Rabinovitsj Daniel A Senior Vice President & GM | May 24, 2011 | D-Return | 1,525 | $45.00 | $68.6K | 0 | Form 4 ↗ |
Rabinovitsj Daniel A Senior Vice President & GM | May 24, 2011 | D-Return | 50,000 | $34.00 | $1.70M | 0 | Form 4 ↗ |
LAZAR JACK R CFO and Senior VP | May 24, 2011 | Award | 37,500 | — | — | 178.6K | Form 4 ↗ |
LAZAR JACK R CFO and Senior VP | May 24, 2011 | D-Return | 20,000 | — | — | 178.6K | Form 4 ↗ |
LAZAR JACK R CFO and Senior VP | May 24, 2011 | D-Return | 116,376 | — | — | 62.3K | Form 4 ↗ |
LAZAR JACK R CFO and Senior VP | May 24, 2011 | D-Return | 22,500 | $24.40 | $549.0K | 0 | Form 4 ↗ |
LAZAR JACK R CFO and Senior VP | May 24, 2011 | D-Return | 26,547 | $2.26 | $60.0K | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Aether Holdings, Inc. Common Stock (ATHR) is primarily owned by institutional investors, who hold approximately 0.5% of total shares outstanding. Company insiders own approximately 67.08%, while retail and public investors account for the remaining 32.42%.
The largest institutional shareholder of Aether Holdings, Inc. Common Stock is VANGUARD GROUP INC, holding approximately 32,425 shares — equal to 26.79% of outstanding shares — as of September 30, 2025.
A total of 5 institutional investors currently hold ATHR stock, with a combined institutional value of approximately $367,793 as of the most recent 13F filing period.
Frequently asked questions
ATHR ownershipAether Holdings, Inc. Common Stock (ATHR) is primarily owned by institutional investors, who hold approximately 0.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 26.79% stake. Company insiders hold 67.08%. Data sourced from SEC Form 13F as of September 30, 2025.