Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in AXTI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Marex Group Ltd | 5.6M | $401.0M | +69370.6% | 10.963% | 1.70% |
| 2 | JANE STREET GROUP, LLC | 5.5M | $397.6M | +54.9% | 10.869% | 0.03% |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 5.1M | $371.1M | +42.2% | 10.145% | 0.03% |
| 4 | BlackRock, Inc. | 5.1M | $365.6M | +353.1% | 9.994% | 0.01% |
| 5 | CITADEL ADVISORS LLC | 3.8M | $276.4M | +145.6% | 7.555% | 0.02% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.7M | $196.3M | +19.5% | 5.365% | 0.00% |
| 7 | D. E. Shaw & Co., Inc. | 2.7M | $194.2M | +195.7% | 5.309% | 0.09% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | $126.7M | β | 3.465% | 0.01% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $125.2M | +195.4% | 3.421% | 0.01% |
| 10 | STATE STREET CORP | 1.5M | $106.9M | +338.7% | 2.921% | 0.00% |
| 11 | Clear Street Group Inc. | 1.3M | $94.3M | β | 2.579% | 0.24% |
| 12 | Invesco Ltd. | 1.1M | $82.4M | +15811.7% | 2.253% | 0.01% |
| 13 | CITIGROUP INC | 1.1M | $76.0M | +10.8% | 2.079% | 0.03% |
| 14 | Assenagon Asset Management S.A. | 1.0M | $73.7M | -32.0% | 2.016% | 0.05% |
| 15 | Point72 Asset Management, L.P. | 1.0M | $73.7M | +7.7% | 2.015% | 0.08% |
| 16 | MILLENNIUM MANAGEMENT LLC | 854K | $61.6M | +15.6% | 1.683% | 0.02% |
| 17 | GOLDMAN SACHS GROUP INC | 820K | $59.1M | -12.2% | 1.615% | 0.01% |
| 18 | Walleye Trading LLC | 707K | $51.0M | +509.2% | 1.393% | 0.06% |
| 19 | UBS Group AG | 654K | $47.1M | -40.4% | 1.289% | 0.01% |
| 20 | BANK OF AMERICA CORP /DE/ | 639K | $46.1M | -17.7% | 1.259% | 0.00% |
| 21 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 615K | $44.4M | β | 1.213% | 0.06% |
| 22 | MORGAN STANLEY | 612K | $44.1M | -57.6% | 1.206% | 0.00% |
| 23 | NORTHERN TRUST CORP | 548K | $39.5M | +335.7% | 1.081% | 0.00% |
| 24 | Fund Resources Investment Holding Group Co Ltd | 537K | $38.7M | β | 1.057% | 2.37% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 432K | $31.1M | +42.1% | 0.851% | 0.01% |
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 AXTI β a direct measure of their conviction.
Filings activity in AXTI during Q2 2026, grouped by how each filer changed its position.
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 261 | +34% | 118.14% | +40.08 pp | $4.12B | +87% |
| Q1 2026 | 195 | +76% | 78.06% | +22.83 pp | $2.20B | +393% |
| Q4 2025 | 111 | +73% | 55.23% | +27.10 pp | $445M | +757% |
| Q3 2025 | 64 | +3.2% | 28.13% | +1.18 pp | $52M | +132% |
| Q2 2025 | 62 | 11% | 26.95% | 0.58 pp | $22M | +50% |
| Q1 2025 | 70 | 14% | 27.53% | 14.05 pp | $15M | 58% |
| Q4 2024 | 81 | 1.2% | 41.58% | 5.76 pp | $36M | 21% |
| Q3 2024 | 82 | β | 47.34% | β | $45M | 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 AXTI stock.
Based on Q2 2026 13F filings, institutional ownership of AXT, Inc. stands at 118.1%, held across 261 reporting institutions.
Marex Group Ltd is the largest reported institutional holder of AXTI, with approximately 5,563,896 shares worth $0.40B as of Q2 2026.
Yes β 5 widely-followed marquee investors appear among the top 25 institutional holders of AXTI, including JANE STREET GROUP, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, Point72 Asset Management, L.P., MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for AXTI is 86 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
121 institutions opened new positions in AXTI during Q2 2026, while 60 fully exited. 98 added to existing positions and 31 trimmed.
AXTI institutional ownership rose by 40.08 percentage points quarter-over-quarter, with a net change of +66 holders.
The top 10 institutions account for 62.2% of all reported 13F value in AXTI, and the top 25 account for 83.2%.
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.
AXT, Inc. (AXTI) Institutional Ownership