Aterian, Inc. (ATER) Ownership
ATER ownership summary
as of October 18, 2026- Institutions
- 3.8% of shares outstanding
- Insiders
- 0.00% of shares outstanding
- Shares outstanding
- 259.8M
- Float
- 5.0M shares available to trade
- Short interest
- 0.24% 612K shares short
- Days to cover
- 0.12 short interest down 25.9% vs prior month
- Institutions 3.82%
- Other investors 96.18%
ATER top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies Corp | 0.09% | 223K | $125,120 | +174,383 (+358.5%) | June 30, 2026 |
| 2 | BlackRock Inc | 0.03% | 72K | $40,554 | — | June 30, 2026 |
| 3 | Geode Capital Management, LLC | 0.02% | 61K | $34,293 | −72,746 (−54.3%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 0.02% | 57K | $32,003 | — | June 30, 2026 |
| 5 | Bridgeway Capital Management, LLC | 0.02% | 52K | $29,453 | +52,500 (0.0%) | June 30, 2026 |
| 6 | Jane Street Group LLC | 0.02% | 49K | $27,684 | +17,168 (+53.3%) | June 30, 2026 |
| 7 | Susquehanna International Group, LLP | 0.02% | 48K | $26,826 | +10,827 (+29.3%) | June 30, 2026 |
| 8 | XTX Topco Ltd | 0.01% | 31K | $17,548 | −26,638 (−46.0%) | June 30, 2026 |
| 9 | Vanguard Fiduciary Trust Co | 0.01% | 26K | $14,583 | — | June 30, 2026 |
| 10 | State Street Corp | 0.01% | 24K | $13,468 | — | June 30, 2026 |
| 11 | Northern Trust Corp | 0.01% | 13K | $7,386 | +2,286 (+21.0%) | June 30, 2026 |
| 12 | UBS Group AG | <0.01% | 13K | $7,127 | +7,205 (+131.0%) | June 30, 2026 |
| 13 | SIMPLEX TRADING, LLC | <0.01% | 6,172 | $3,462 | +6,172 (0.0%) | June 30, 2026 |
| 14 | Tower Research Capital LLC | <0.01% | 3,795 | $2,129 | +2,329 (+158.9%) | June 30, 2026 |
| 15 | JPMorgan Chase & Co | <0.01% | 2,784 | $1,562 | — | June 30, 2026 |
| 16 | Vanguard Global Advisers, LLC | <0.01% | 1,574 | $883 | — | June 30, 2026 |
| 17 | Advisor Group Holdings, Inc. | <0.01% | 581 | $326 | +350 (+151.5%) | June 30, 2026 |
| 18 | SBI Securities Co Ltd | <0.01% | 311 | $174 | −4 (−1.3%) | June 30, 2026 |
| 19 | BNP Paribas Arbitrage, SA | 0.00% | 73 | $41 | — | June 30, 2026 |
| 20 | Stance Capital, LLC | 0.00% | 36 | $20 | — | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 273K shares and 3 cut 99K.
ATER top mutual fund and ETF holders
6 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Bridgeway Ultra-Small Company | 0.02% | 52K | $29,453 | +52,500 (0.0%) | June 30, 2026 |
| 2 | Fidelity Extended Market Index | 0.02% | 40K | $22,246 | — | August 31, 2026 |
| 3 | Fidelity Total Market Index | <0.01% | 10K | $5,622 | — | August 31, 2026 |
| 4 | Fidelity Series Total Market Index | <0.01% | 8,030 | $4,505 | — | August 31, 2026 |
| 5 | Vanguard U.S. Eq Idx £ Acc | <0.01% | 1,574 | $883 | — | August 31, 2026 |
| 6 | Guggenheim Active Allocation Fund | 0.00% | 24 | $13 | +12 (+100.0%) | May 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ATER insider transactions
latest 7| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-06-13 | Joshua O Feldman | Sell | $1.23 | 1,254 | $1,542 |
| 2025-06-13 | Roi Zion Zahut | Sell | $1.23 | 3,900 | $4,797 |
| 2025-06-12 | Joshua O Feldman | Sell | $1.32 | 15,322 | $20,225 |
| 2025-06-12 | Roi Zion Zahut | Sell | $1.32 | 16,980 | $22,414 |
| 2025-06-10 | William Kurtz | Sell | $1.39 | 5,000 | $6,950 |
| 2025-06-09 | William Kurtz | Sell | $1.41 | 4,722 | $6,658 |
| 2025-05-20 | Phillip Lepper | Sell | $1.65 | 27,532 | $45,428 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ATER shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ATER
Institutional investors own 3.8% of Aterian's shares and insiders 0.00%. The largest holder is Renaissance Technologies Corp with 0.09% of the shares (223K), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 3 reduced their stake in the latest filings. Short interest is 0.24% of the float, or 0.12 days of average trading volume. The share count rose 426.5% since 2017.
Related: ATER analyst forecast, ATER key metrics. See the ATER stock overview for the latest quote and news.
ATER ownership FAQ
Who owns the most Aterian stock?
The largest shareholders of Aterian are Renaissance Technologies Corp (0.09%), BlackRock Inc (0.03%), Geode Capital Management, LLC (0.02%), Vanguard Capital Management, LLC (0.02%), Bridgeway Capital Management, LLC (0.02%).
What percentage of Aterian is owned by institutions?
Institutions hold 3.8% of Aterian's shares outstanding; insiders hold 0.00%.
Which funds own Aterian?
The largest fund holders of Aterian are Bridgeway Ultra-Small Company (0.02%), Fidelity Extended Market Index (0.02%), Fidelity Total Market Index (<0.01%), Fidelity Series Total Market Index (<0.01%), Vanguard U.S. Eq Idx £ Acc (<0.01%).
What is Aterian's short interest?
612K shares of Aterian were sold short, 0.24% of the float; at the average daily volume it would take 0.12 days to cover.
Are insiders buying or selling Aterian?
Of the latest 7 reported insider transactions in Aterian (since May 20, 2025), 0 were purchases and 7 were sales.
How many shares of Aterian are outstanding?
Aterian has 259.8M shares outstanding, of which 5.0M are in the public float.