Who owns AXT, Inc.?
Institutional ownership of AXTI from SEC Form 13F filings across 181 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
181
13F holders
$2.85B
value, 2026 filers
82.5%
of shares outstanding (41.9M sh)
91
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of AXTI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.1M | $365.6M | 0.0% | 10% | +353.1% |
| 2 | Marex Group Ltd | 3.6M | $256.9M | 1.1% | 7% | +44398.6% |
| 3 | JANE STREET GROUP, LLC | 3.5M | $254.2M | 0.0% | 6.9% | +45.4% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.7M | $196.3M | 0.0% | 5.4% | -40.2% |
| 5 | D. E. Shaw & Co., Inc. | 2.3M | $162.2M | 0.1% | 4.4% | +189.9% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 1.8M | $126.7M | 0.0% | 3.5% | new |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $125.2M | 0.0% | 3.4% | +195.4% |
| 8 | CITADEL ADVISORS LLC | 1.5M | $106.8M | 0.0% | 2.9% | +160.0% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | 1.3M | $95,183 | 0.0% | 2.6% | +45.2% |
| 10 | Clear Street Group Inc.NEW | 1.3M | $94.3M | 0.2% | 2.6% | new |
| 11 | Invesco Ltd. | 1.1M | $82.4M | 0.0% | 2.3% | +15811.7% |
| 12 | Fund Resources Investment Holding Group Co LtdNEW | 1.1M | $77.4M | 9.5% | 2.1% | new |
| 13 | CITIGROUP INC | 1.1M | $76.0M | 0.0% | 2.1% | +10.7% |
| 14 | Assenagon Asset Management S.A. | 1.0M | $73.7M | 0.1% | 2% | -32.0% |
| 15 | SG Americas Securities, LLC | 1.0M | $72,235 | 0.0% | 2% | +52700.4% |
| 16 | MILLENNIUM MANAGEMENT LLC | 854,322 | $61.6M | 0.0% | 1.7% | +15.6% |
| 17 | GOLDMAN SACHS GROUP INC | 819,556 | $59.1M | 0.0% | 1.6% | -12.2% |
| 18 | UBS Group AG | 654,117 | $47.1M | 0.0% | 1.3% | -40.4% |
| 19 | BANK OF AMERICA CORP /DE/ | 639,037 | $46.1M | 0.0% | 1.3% | -17.7% |
| 20 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW | 615,377 | $44.4M | 0.1% | 1.2% | new |
| 21 | MORGAN STANLEY | 611,974 | $44.1M | 0.0% | 1.2% | -57.6% |
| 22 | NORTHERN TRUST CORP | 548,403 | $39.5M | 0.0% | 1.1% | +335.7% |
| 23 | VANGUARD FIDUCIARY TRUST CO | 431,889 | $31.1M | 0.0% | 0.9% | +42.1% |
| 24 | TWO SIGMA INVESTMENTS, LP | 397,732 | $28.7M | 0.0% | 0.8% | +511.0% |
| 25 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 377,795 | $27.2M | 0.0% | 0.7% | +25.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.