Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ATER held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | GEODE CAPITAL MANAGEMENT, LLC | 134K | $77K | +126.5% | 1.237% | 0.00% |
| 2 | BlackRock, Inc. | 72K | $41K | 0.0% | 0.668% | 0.00% |
| 3 | XTX Topco Ltd | 58K | $33K | +121.6% | 0.535% | 0.00% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 57K | $33K | β | 0.527% | 0.00% |
| 5 | RENAISSANCE TECHNOLOGIES LLC | 49K | $28K | +13.5% | 0.450% | 0.00% |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 37K | $21K | -17.9% | 0.342% | 0.00% |
| 7 | JANE STREET GROUP, LLC | 32K | $18K | β | 0.297% | 0.00% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 26K | $15K | β | 0.240% | 0.00% |
| 9 | STATE STREET CORP | 24K | $14K | 0.0% | 0.222% | 0.00% |
| 10 | NORTHERN TRUST CORP | 11K | $6K | 0.0% | 0.101% | 0.00% |
| 11 | UBS Group AG | 5K | $3K | -8.3% | 0.051% | 0.00% |
| 12 | ROYAL BANK OF CANADA | 5K | $3K | β | 0.050% | 0.00% |
| 13 | Apollo Management Holdings, L.P. | 2K | $1K | 0.0% | 0.021% | 0.00% |
| 14 | Vanguard Global Advisers, LLC | 2K | $902 | β | 0.015% | 0.00% |
| 15 | Tower Research Capital LLC (TRC) | 1K | $840 | -0.5% | 0.014% | 0.00% |
| 16 | SBI Securities Co., Ltd. | 315 | $181 | +1.3% | 0.003% | 0.00% |
| 17 | ADVISOR GROUP HOLDINGS, INC. | 231 | $130 | -47.4% | 0.002% | 0.00% |
| 18 | BNP PARIBAS ARBITRAGE, SA | 73 | $42 | 0.0% | 0.001% | 0.00% |
| 19 | STANCE CAPITAL LLC | 36 | $21 | β | 0.000% | 0.00% |
| 20 | PROATHLETE WEALTH MANAGEMENT LLC | 21 | $12 | 0.0% | 0.000% | 0.00% |
| 21 | Virtu Financial LLC | 11K | $6 | β | 0.098% | 0.00% |
| 22 | IFP Advisors, Inc | 11 | $6 | 0.0% | 0.000% | 0.00% |
| 23 | MORGAN STANLEY | 1 | $1 | 0.0% | 0.000% | 0.00% |
| 24 | TD Waterhouse Canada Inc. | 1 | $1 | 0.0% | 0.000% | 0.00% |
| 25 | NATIONAL BANK OF CANADA /FI/ | 1 | $1 | 0.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ATER β a direct measure of their conviction.
Filings activity in ATER during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new ATER position in Q1 2026
Institutions that fully closed their ATER position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 25 | 11% | 2.28% | 0.14 pp | $0M | 5.9% |
| Q4 2025 | 28 | 6.7% | 2.42% | 1.86 pp | $0M | 43% |
| Q3 2025 | 30 | +3.4% | 4.28% | 3.37 pp | $1M | 44% |
| Q2 2025 | 29 | 9.4% | 7.65% | 5.83 pp | $1M | 43% |
| Q1 2025 | 32 | +14% | 13.48% | 4.77 pp | $2M | 26% |
| Q4 2024 | 28 | 6.7% | 18.25% | 2.28 pp | $2M | 11% |
| Q3 2024 | 30 | +11% | 20.53% | +1.85 pp | $3M | +9.9% |
| Q2 2024 | 27 | β | 18.68% | β | $2M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ATER stock.
Based on Q1 2026 13F filings, institutional ownership of Aterian, Inc. stands at 2.3%, held across 25 reporting institutions.
GEODE CAPITAL MANAGEMENT, LLC is the largest reported institutional holder of ATER, with approximately 133,874 shares worth $0.00B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of ATER, including RENAISSANCE TECHNOLOGIES LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, JANE STREET GROUP, LLC.
Our composite Smart Money Score for ATER is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
7 institutions opened new positions in ATER during Q1 2026, while 10 fully exited. 2 added to existing positions and 13 trimmed.
ATER institutional ownership fell by 0.14 percentage points quarter-over-quarter, with a net change of -3 holders.
The top 10 institutions account for 96.8% of all reported 13F value in ATER, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Aterian, Inc. (ATER) Institutional Ownership