AXT, Inc. (AXTI) Ownership
AXTI ownership summary
as of October 18, 2026- Institutions
- 73.4% of shares outstanding
- Insiders
- 3.98% of shares outstanding
- Shares outstanding
- 65.6M
- Float
- 61.6M shares available to trade
- Short interest
- 17.19% 10.8M shares short
- Days to cover
- 1.25 short interest up 22.5% vs prior month
- Institutions 73.37%
- Insiders 3.98%
- Other investors 22.66%
AXTI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 7.74% | 5.1M | $261.1M | +4.0M (+353.1%) | June 30, 2026 |
| 2 | Marex Group Ltd | 5.43% | 3.6M | $183.4M | +3.6M (+44,398.6%) | June 30, 2026 |
| 3 | Jane Street Group LLC | 5.38% | 3.5M | $181.5M | +1.1M (+45.4%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.15% | 2.7M | $140.1M | +444,511 (+19.5%) | June 30, 2026 |
| 5 | D. E. Shaw & Co LP | 3.43% | 2.3M | $115.8M | +1.5M (+189.9%) | June 30, 2026 |
| 6 | Assenagon Asset Management SA | 3.12% | 2.0M | $105.3M | +540,622 (+35.9%) | June 30, 2026 |
| 7 | Vanguard Portfolio Management, LLC | 2.68% | 1.8M | $90.5M | +1.8M (0.0%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.65% | 1.7M | $89.4M | +1.1M (+195.4%) | June 30, 2026 |
| 9 | State Street Corp | 2.26% | 1.5M | $76.3M | +1.1M (+338.7%) | June 30, 2026 |
| 10 | Citadel Advisors Llc | 2.26% | 1.5M | $76.2M | +911,661 (+160.0%) | June 30, 2026 |
| 11 | T. Rowe Price Associates, Inc. | 2.01% | 1.3M | $68.0M | +410,755 (+45.2%) | June 30, 2026 |
| 12 | Clear Street Group Inc | 2.00% | 1.3M | $67.4M | +1.3M (0.0%) | June 30, 2026 |
| 13 | Amvescap Plc. | 1.74% | 1.1M | $58.9M | +1.1M (+15,811.7%) | June 30, 2026 |
| 14 | Citigroup Inc | 1.61% | 1.1M | $54.3M | +102,374 (+10.7%) | June 30, 2026 |
| 15 | SG Americas Securities, LLC | 1.53% | 1.0M | $51.6M | +1.0M (+52,700.4%) | June 30, 2026 |
| 16 | Millennium Management LLC | 1.30% | 854K | $44.0M | +115,128 (+15.6%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 1.25% | 820K | $42.2M | −113,939 (−12.2%) | June 30, 2026 |
| 18 | UBS Group AG | 1.00% | 654K | $33.7M | −442,519 (−40.4%) | June 30, 2026 |
| 19 | Bank of America Corp | 0.97% | 639K | $32.9M | −137,263 (−17.7%) | June 30, 2026 |
| 20 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.94% | 615K | $31.7M | +615,377 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 20.7M shares and 3 cut 694K.
AXTI top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.83% | 3.8M | $196.8M | +831 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.02% | 2.0M | $101.8M | −2,239 (−0.1%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.52% | 1.7M | $85.0M | −19,008 (−1.1%) | September 30, 2026 |
| 4 | Invesco Semiconductors ETF | 1.59% | 1.0M | $53.6M | — | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 1.07% | 701K | $36.1M | −13,125 (−1.8%) | September 30, 2026 |
| 6 | Fidelity Small Cap Index | 1.04% | 683K | $35.2M | +5,767 (+0.9%) | July 31, 2026 |
| 7 | iShares Russell 2000 Growth ETF | 0.91% | 596K | $30.7M | −755 (−0.1%) | September 30, 2026 |
| 8 | State Street SPDR Port S&P 600 Sm CpETF | 0.89% | 583K | $30.0M | — | September 30, 2026 |
| 9 | Invesco Dorsey Wright Technology MomtETF | 0.64% | 422K | $21.7M | — | September 30, 2026 |
| 10 | Vanguard MStar Small Cap Growth Indx Inv | 0.60% | 390K | $20.1M | −18,803 (−4.6%) | September 30, 2026 |
| 11 | T. Rowe Price Integrated US Sm Gr Eq | 0.57% | 376K | $19.4M | — | September 30, 2026 |
| 12 | Vanguard Tax-Managed Small Cap Adm | 0.57% | 375K | $19.3M | +375,009 (0.0%) | September 30, 2026 |
| 13 | Vanguard Russell 2000 ETF | 0.56% | 370K | $19.1M | +11,339 (+3.2%) | September 30, 2026 |
| 14 | Schwab US Small-Cap ETF™ | 0.52% | 338K | $17.4M | +225 (+0.1%) | September 30, 2026 |
| 15 | American Funds SMALLCAP World A | 0.51% | 334K | $17.2M | — | September 30, 2026 |
| 16 | iShares S&P Small-Cap 600 Growth ETF | 0.49% | 321K | $16.5M | — | September 30, 2026 |
| 17 | Fidelity Extended Market Index | 0.45% | 296K | $15.2M | −1,589 (−0.5%) | August 31, 2026 |
| 18 | Nomura Small Cap Core I | 0.41% | 269K | $13.8M | — | August 31, 2026 |
| 19 | Polar Capital Smart Energy I Acc | 0.39% | 253K | $13.0M | +253,000 (0.0%) | August 31, 2026 |
| 20 | iShares S&P Small-Cap 600 Value ETF | 0.38% | 250K | $12.9M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AXTI insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | Morris S Young | Sell | $51.13 | 37,905 | $1.9M |
| 2026-03-13 | Jesse Chen | Sell | $50.25 | 8,083 | $406,171 |
| 2026-03-12 | Jesse Chen | Sell | $48.95 | 6,003 | $293,847 |
| 2026-03-11 | Jesse Chen | Sell | $47.13 | 15,000 | $706,950 |
| 2026-03-10 | David C Chang | Sell | $46.00 | 20,000 | $920,000 |
| 2026-03-10 | Jesse Chen | Sell | $46.15 | 14,000 | $646,100 |
| 2026-03-10 | Morris S Young | Sell | $45.60 | 30,832 | $1.4M |
| 2026-03-09 | Jesse Chen | Sell | $37.69 | 12,452 | $469,316 |
| 2026-03-09 | Morris S Young | Sell | $36.51 | 125,893 | $4.6M |
| 2026-03-06 | Jesse Chen | Sell | $36.63 | 2,000 | $73,260 |
| 2026-03-06 | Morris S Young | Sell | $39.65 | 8,300 | $329,095 |
| 2026-03-05 | Jesse Chen | Sell | $38.26 | 11,147 | $426,484 |
| 2026-03-04 | David C Chang | Sell | $38.53 | 20,000 | $770,600 |
| 2026-03-04 | Jesse Chen | Sell | $38.83 | 8,800 | $341,704 |
| 2026-03-03 | Jesse Chen | Sell | $40.49 | 11,007 | $445,673 |
| 2026-03-02 | Jesse Chen | Sell | $45.59 | 11,320 | $516,079 |
| 2026-03-02 | Morris S Young | Sell | $43.32 | 159,536 | $6.9M |
| 2025-12-09 | David C Chang | Sell | $14.84 | 25,000 | $371,000 |
| 2025-12-04 | Morris S Young | Sell | $12.05 | 35,000 | $421,750 |
| 2025-12-02 | David C Chang | Sell | $12.33 | 25,000 | $308,250 |
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.
AXTI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AXTI
Institutional investors own 73.4% of AXT's shares and insiders 3.98%. The largest holder is BlackRock Inc with 7.74% of the shares (5.1M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 3 reduced their stake in the latest filings. Short interest is 17.19% of the float, or 1.25 days of average trading volume. The share count rose 37.4% since 2014.
Related: AXTI analyst forecast, AXTI key metrics. See the AXTI stock overview for the latest quote and news.
AXTI ownership FAQ
Who owns the most AXT stock?
The largest shareholders of AXT are BlackRock Inc (7.74%), Marex Group Ltd (5.43%), Jane Street Group LLC (5.38%), Vanguard Capital Management, LLC (4.15%), D. E. Shaw & Co LP (3.43%).
What percentage of AXT is owned by institutions?
Institutions hold 73.4% of AXT's shares outstanding; insiders hold 3.98%.
Which funds own AXT?
The largest fund holders of AXT are iShares Core S&P Small-Cap ETF (5.83%), Vanguard MStar Total Stk Mkt Idx Invest (3.02%), iShares Russell 2000 ETF (2.52%), Invesco Semiconductors ETF (1.59%), Vanguard Small Cap Index (1.07%).
What is AXT's short interest?
10.8M shares of AXT were sold short, 17.19% of the float; at the average daily volume it would take 1.25 days to cover.
Are insiders buying or selling AXT?
Of the latest 20 reported insider transactions in AXT (since December 2, 2025), 0 were purchases and 20 were sales.
How many shares of AXT are outstanding?
AXT has 65.6M shares outstanding, of which 61.6M are in the public float.