AXT INC AXTI
COM · Common Stock · CUSIP 00246W103 · ISIN US00246W1036
- SectorTechnology
- IndustrySemiconductors & Related Devices
- HeadquartersFremont, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($32.7m this quarter). Holder counts are more reliable. Shares outstanding: 65.6m as of 2026-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $72.06. Options: 25 managers hold calls ($641.3m notional), 22 hold puts ($673.3m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 112 |
| Q4 2022 | 109 |
| Q1 2023 | 103 |
| Q2 2023 | 99 |
| Q3 2023 | 88 |
| Q4 2023 | 90 |
| Q1 2024 | 98 |
| Q2 2024 | 94 |
| Q3 2024 | 85 |
| Q4 2024 | 82 |
| Q1 2025 | 71 |
| Q2 2025 | 63 |
| Q3 2025 | 66 |
| Q4 2025 | 112 |
| Q1 2026 | 193 |
| Q2 2026 | 257 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 33 | 47 |
| Q4 2024 | 38 | 37 |
| Q1 2025 | 27 | 43 |
| Q2 2025 | 17 | 38 |
| Q3 2025 | 31 | 28 |
| Q4 2025 | 84 | 26 |
| Q1 2026 | 138 | 67 |
| Q2 2026 | 198 | 114 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $135.0k | $71.4k | 0.53 |
| Q4 2025 | $27.5m | $3.2m | 0.12 |
| Q1 2026 | $308.5m | $228.6m | 0.74 |
| Q2 2026 | $641.3m | $673.3m | 1.05 |
Biggest buyers
| BlackRock, Inc. | Added | +4.0m |
| Marex Group Ltd | Added | +3.6m |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | +1.8m |
| D. E. Shaw & Co., Inc. | Added | +1.5m |
| Clear Street Group Inc. | New | +1.3m |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +1.1m |
| STATE STREET CORP | Added | +1.1m |
| Invesco Ltd. | Added | +1.1m |
| JANE STREET GROUP, LLC | Added | +1.1m |
| SG Americas Securities, LLC | Added | +1.0m |
Biggest sellers
| E20 Capital Ltd | Sold out | -2.1m |
| WT Asset Management Ltd | Sold out | -1.3m |
| Anther Capital Ltd | Sold out | -1.3m |
| E Fund Management Co., Ltd. | Reduced | -1.2m |
| MORGAN STANLEY | Reduced | -831.7k |
| Ariose Capital Management Ltd | Sold out | -685.5k |
| Hood River Capital Management LLC | Sold out | -526.7k |
| Anatole Investment Management Ltd | Sold out | -463.2k |
| IMC-Chicago, LLC | Sold out | -456.0k |
| UBS Group AG | Reduced | -442.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $161.2m2.2m shares |
| IMC-Chicago, LLC | Added | $117.9m1.6m shares |
| CITADEL ADVISORS LLC | Added | $106.3m1.5m shares |
| Point72 Asset Management, L.P. | Added | $62.5m867.6k shares |
| JANE STREET GROUP, LLC | Added | $61.6m855.0k shares |
| GROUP ONE TRADING LLC | Reduced | $25.2m349.4k shares |
| SIMPLEX TRADING, LLC | Added | $20.2m280.7k shares |
| Aristides Capital LLC | Added | $16.4m227.7k shares |
| Walleye Trading LLC | Added | $16.2m224.7k shares |
| D. E. Shaw & Co., Inc. | New | $16.2m224.4k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $182.7m2.5m shares |
| Marex Group Ltd | New | $144.2m2.0m shares |
| JANE STREET GROUP, LLC | Added | $81.7m1.1m shares |
| CITADEL ADVISORS LLC | Added | $63.3m878.6k shares |
| IMC-Chicago, LLC | Added | $58.2m807.0k shares |
| GROUP ONE TRADING LLC | Added | $26.0m360.2k shares |
| Walleye Trading LLC | Added | $25.1m348.2k shares |
| SG Americas Securities, LLC | New | $18.8m440.0k shares |
| SIMPLEX TRADING, LLC | Added | $18.7m260.1k shares |
| D. E. Shaw & Co., Inc. | Added | $15.8m219.7k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +7.2 pts · filed 2026-10-05 | 14.3% |
| Marex Securities Products Inc. 13G · passive investor new · filed 2026-05-06 | 7.2% |
| JANE STREET GROUP, LLC 13G · passive investor -0.8 pts · filed 2026-08-12 | 6.7% |
| E20 Capital Ltd 13G · passive investor new · filed 2026-05-18 | 5.5% |
Fell to 5% or below in the last year: Cleveland Capital Management, L.L.C. (1.1%, 2026-05-08)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 1 | $40.8k | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 4 | $5.7m | — |
| Q1 2026 | 0 | — | 4 | $43.3m | — |
| Q2 2026 | 0 | — | 4 | $29.2m | — |
| Q3 2026 | 0 | — | 1 | $560.9k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-08-17 | LEBLANC LEONARD J Director | Sold | $384.3k4.0k shares |
| 2026-08-07 | LEBLANC LEONARD J Director | Sold | $176.6k2.0k shares |
| 2026-06-15 | CHANG DAVID C Director | Sold | $926.4k8.3k shares |
| 2026-06-15 | CHEN JESSE Director | Sold | $711.3k6.2k shares |
| 2026-06-12 | CHEN JESSE Director | Sold | $1.2m13.0k shares |
| 2026-06-11 | CHEN JESSE Director | Sold | $797.0k9.0k shares |
| 2026-06-10 | CHEN JESSE Director | Sold | $780.6k9.0k shares |
| 2026-06-10 | LEBLANC LEONARD J Director | Sold | $44.8k500 shares |
| 2026-06-09 | CHEN JESSE Director | Sold | $139.9k1.5k shares |
| 2026-06-08 | CHEN JESSE Director | Sold | $564.0k6.0k shares |
| 2026-06-04 | CHEN JESSE Director | Sold | $664.1k6.1k shares |
| 2026-06-03 | CHEN JESSE Director | Sold | $445.4k4.0k shares |
| 2026-06-02 | YOUNG MORRIS S CEO, director | Sold | $14.0m123.6k shares |
| 2026-06-02 | CHEN JESSE Director | Sold | $222.1k2.0k shares |
| 2026-06-01 | YOUNG MORRIS S CEO, director | Sold | $8.3m73.9k shares |
| 2026-06-01 | CHEN JESSE Director | Sold | $357.0k3.2k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 5.1m $365.6m | Added +4.0m |
| Marex Group Ltd 1.91% of their portfolio | 3.6m $256.9m | Added +3.6m |
| JANE STREET GROUP, LLC 0.16% of their portfolio | 3.5m $254.2m | Added +1.1m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 2.7m $196.3m | Added +444.5k |
| D. E. Shaw & Co., Inc. 0.10% of their portfolio | 2.3m $162.2m | Added +1.5m |
| Assenagon Asset Management S.A. 0.10% of their portfolio | 2.0m $147.5m | Added +540.6k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.01% of their portfolio | 1.8m $126.7m | New |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 1.7m $125.2m | Added +1.1m |
| STATE STREET CORP 0.00% of their portfolio | 1.5m $106.9m | Added +1.1m |
| CITADEL ADVISORS LLC 0.06% of their portfolio | 1.5m $106.8m | Added +911.7k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 1.3m $95.2m | Added +410.8k |
| Clear Street Group Inc. 0.30% of their portfolio | 1.3m $94.3m | New |
| Invesco Ltd. 0.01% of their portfolio | 1.1m $82.4m | Added +1.1m |
| CITIGROUP INC 0.04% of their portfolio | 1.1m $76.0m | Added +102.4k |
| SG Americas Securities, LLC 0.04% of their portfolio | 1.0m $72.2m | Added +1.0m |
| MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio | 854.3k $61.6m | Added +115.1k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 819.6k $59.1m | Reduced -113.9k |
| UBS Group AG 0.01% of their portfolio | 654.1k $47.1m | Reduced -442.5k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 639.0k $46.1m | Reduced -137.3k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.06% of their portfolio | 615.4k $44.4m | New |
| MORGAN STANLEY 0.00% of their portfolio | 612.0k $44.1m | Reduced -831.7k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 548.4k $39.5m | Added +422.5k |
| Fund Resources Investment Holding Group Co Ltd 4.73% of their portfolio | 536.7k $38.7m | New |
| VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio | 431.9k $31.1m | Added +128.0k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 397.7k $28.7m | Added +332.6k |
| T. Rowe Price Investment Management, Inc. 0.02% of their portfolio | 392.8k $28.3m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio | 377.8k $27.2m | Added +76.2k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 359.5k $25.9m | New |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 352.7k $25.4m | Reduced -24.2k |
| Capital World Investors 0.00% of their portfolio | 342.8k $24.7m | New |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.10% of their portfolio | 333.9k $24.1m | New |
| Funde Sino Life Insurance Co Ltd 7.63% of their portfolio | 324.8k $23.4m | First filing |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.03% of their portfolio | 315.8k $22.8m | New |
| Squarepoint Ops LLC 0.04% of their portfolio | 313.0k $22.6m | Added +291.4k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio | 202.8k $14.6m | Added +194.5k |
| Alyeska Investment Group, L.P. 0.04% of their portfolio | 200.0k $14.4m | Unchanged |
| Bank of New York Mellon Corp 0.00% of their portfolio | 195.6k $14.1m | Added +183.9k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 187.7k $13.5m | Unchanged |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 186.7k $13.5m | Added +159.6k |
| GROUP ONE TRADING LLC 0.35% of their portfolio | 168.0k $12.1m | Added +131.1k |
| Nuveen, LLC 0.00% of their portfolio | 158.4k $11.4m | New |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 145.8k $10.5m | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 142.7k $10.3m | Added +139.9k |
| Tairen Capital Ltd 0.89% of their portfolio | 140.0k $10.1m | New |
| Walleye Trading LLC 0.13% of their portfolio | 134.3k $9.7m | Added +113.7k |
| NOMURA HOLDINGS INC 0.04% of their portfolio | 128.9k $9.3m | Added +121.9k |
| Swiss National Bank 0.00% of their portfolio | 115.8k $8.3m | Added +11.9k |
| KADENSA CAPITAL Ltd 1.77% of their portfolio | 115.1k $8.3m | New |
| Balyasny Asset Management L.P. 0.02% of their portfolio | 114.4k $8.2m | New |
| Gotham Asset Management, LLC 0.02% of their portfolio | 111.6k $8.0m | Reduced -8.8k |
| Jain Global LLC 0.09% of their portfolio | 106.7k $7.7m | Added +64.8k |
| Lido Advisors, LLC 0.03% of their portfolio | 105.0k $7.6m | New |
| LPL Financial LLC 0.00% of their portfolio | 100.6k $7.2m | Added +10.4k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 100.3k $7.2m | Reduced -20.1k |
| Artisan Partners Limited Partnership 0.01% of their portfolio | 95.6k $6.9m | New |
| Aristides Capital LLC 1.66% of their portfolio | 90.1k $6.5m | New |
| Trexquant Investment LP 0.04% of their portfolio | 88.0k $6.3m | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 85.9k $6.2m | Added +9.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 84.3k $6.1m | New |
| FMR LLC 0.00% of their portfolio | 81.4k $5.9m | Added +80.3k |
| Elequin Capital, LP 0.20% of their portfolio | 81.0k $5.8m | New |
| FORA Capital, LLC 0.39% of their portfolio | 78.4k $5.7m | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 77.8k $5.6m | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 75.2k $5.4m | Added +62.3k |
| Maytree Asset Management Ltd 3.48% of their portfolio | 74.4k $5.4m | Reduced -20.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 72.6k $4.1m | New |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 66.9k $4.8m | Added +2.5k |
| AXIOM INVESTORS LLC /DE 0.04% of their portfolio | 66.2k $4.8m | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 62.3k $4.6m | Reduced -74.7k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 57.7k $4.2m | Added +42.5k |
| DNB Asset Management AS 0.01% of their portfolio | 53.2k $3.8m | New |
| Jupiter Topco LLC 0.00% of their portfolio | 52.8k $3.8m | First filing |
| POLEN CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 52.7k $3.8m | Added +3.3k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 51.0k $3.7m | New |
| SCALAR GAUGE MANAGEMENT, LLC 1.99% of their portfolio | 50.0k $3.6m | New |
| E Fund Management Co., Ltd. 0.07% of their portfolio | 46.2k $3.3m | Reduced -1.2m |
| Neo Ivy Capital Management 0.76% of their portfolio | 45.5k $3.3m | Added +35.9k |
| WHITE PINE CAPITAL LLC 0.77% of their portfolio | 45.3k $3.3m | Reduced -166.5k |
| Informed Momentum Co LLC 0.27% of their portfolio | 42.8k $3.1m | Reduced -112.2k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 40.5k $2.9m | Added +6.1k |
| Jefferies Financial Group Inc. 0.03% of their portfolio | 39.4k $2.8m | Reduced -13.6k |
| Legal & General Group Plc 0.00% of their portfolio | 38.4k $2.8m | Added +2.4k |
| TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio | 38.0k $2.7m | New |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 36.8k $2.7m | Reduced -15.6k |
| Capstone Capital Management Ltd 1.18% of their portfolio | 36.6k $2.6m | New |
| Jump Financial, LLC 0.02% of their portfolio | 36.5k $2.6m | Added +23.5k |
| MetLife Investment Management, LLC 0.01% of their portfolio | 36.4k $2.6m | New |
| Creative Planning 0.00% of their portfolio | 36.0k $2.6m | Reduced -4.4k |
| FLOW TRADERS U.S. LLC 0.11% of their portfolio | 35.7k $2.6m | New |
| ALGERT GLOBAL LLC 0.03% of their portfolio | 33.8k $2.4m | Added +1.5k |
| Y-Intercept (Hong Kong) Ltd 0.05% of their portfolio | 33.0k $2.4m | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% of their portfolio | 32.7k $2.4m | New |
| Man Group plc 0.00% of their portfolio | 31.6k $2.3m | New |
| SEI INVESTMENTS CO 0.00% of their portfolio | 31.1k $2.2m | Reduced -42.2k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 31.0k $2.2m | Reduced -666 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 28.6k $2.1m | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 27.0k $1.9m | Added +21.9k |
| Orion Porfolio Solutions, LLC 0.01% of their portfolio | 26.9k $1.9m | New |
| PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio | 26.8k $1.9m | New |
| Verition Fund Management LLC 0.01% of their portfolio | 26.2k $1.9m | Reduced -10.8k |