AXT, Inc.
AXT, Inc. (AXTI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AXTI · as of Mar 31, 2025
Ownership Breakdown
70
Institutional Holders
▼ 12 vs Q4
$16.17M
Total Inst. Value
▼ $21.15M vs Q4
46.37M
Shares Outstanding
freeFloat 83.97%
11.46M
13F Shares Held
▼ 5.74M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AXTI largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC semiconductors & related devices | 2.27M | 5.21% | 5.21% | $3.20B | May 9, 2025 | — held |
PACIFIC RIDGE CAPITAL PARTNERS, LLC semiconductors & related devices | 1.86M | 4.28% | 4.28% | $2.63B | May 9, 2025 | ▼ 75.4K |
WHITE PINE CAPITAL LLC semiconductors & related devices | 836.9K | 1.92% | 1.92% | $1.18B | May 13, 2025 | ▲ 168.4K |
BLACKROCK, INC. semiconductors & related devices | 683.5K | 1.57% | 1.57% | $963.71M | May 2, 2025 | ▼ 48.5K |
NEEDHAM INVESTMENT MANAGEMENT LLC semiconductors & related devices | 593.5K | 1.36% | 1.36% | $836.84M | May 15, 2025 | ▼ 824.6K |
MORGAN STANLEY semiconductors & related devices | 540.1K | 1.24% | 1.24% | $761.57M | May 15, 2025 | ▲ 22.1K |
GSA CAPITAL PARTNERS LLP semiconductors & related devices | 533.3K | 1.22% | 1.22% | $752.00M | May 8, 2025 | ▲ 160.9K |
JACOBS LEVY EQUITY MANAGEMENT, INC semiconductors & related devices | 530.3K | 1.22% | 1.22% | $747.68M | May 15, 2025 | ▲ 227.3K |
GEODE CAPITAL MANAGEMENT, LLC semiconductors & related devices | 488.4K | 1.12% | 1.12% | $688.89M | May 13, 2025 | ▲ 22.0K |
TWO SIGMA ADVISERS, LP semiconductors & related devices | 391.9K | 89.98% | 89.98% | $552.58M | May 15, 2025 | ▼ 282.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
16
Increased
+701.8K shares5
New Positions
first time holders16
Decreased
−3.83M shares0
Sold Out
fully exitedNet shares change (top 50)
3.12M
+701.8K / −3.83M
Net new holders
+5
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AXTI insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
5
Buy transactions
8
Sell transactions
0.63
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
CHEN JESSE director | Jun 3, 2026 | Sale | 4,000 | $111.36 | $445.4K | 100.3K | Form 4 ↗ |
CHEN JESSE director | Jun 4, 2026 | Award | 754 | $105.99 | $79.9K | 94.9K | Form 4 ↗ |
CHEN JESSE director | Jun 4, 2026 | Sale | 6,133 | $108.28 | $664.1K | 94.2K | Form 4 ↗ |
LEBLANC LEONARD J director | Jun 4, 2026 | Award | 754 | $105.99 | $79.9K | 119.6K | Form 4 ↗ |
CHANG DAVID C director | Jun 4, 2026 | Award | 754 | $105.99 | $79.9K | 73.5K | Form 4 ↗ |
YOUNG MORRIS S CEO | Jun 1, 2026 | Sale | 73,897 | $112.39 | $8.31M | 2.26M | Form 4 ↗ |
YOUNG MORRIS S CEO | Jun 2, 2026 | Sale | 123,601 | $113.33 | $14.01M | 2.15M | Form 4 ↗ |
YOUNG MORRIS S CEO | May 1, 2026 | Gift | 6,500 | — | — | 2.27M | Form 4 ↗ |
YOUNG MORRIS S CEO | May 1, 2026 | Gift | 7,500 | — | — | 2.26M | Form 4 ↗ |
CHEN JESSE director | Mar 12, 2026 | Sale | 6,003 | $48.95 | $293.9K | 117.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
AXT, Inc. (AXTI) is primarily owned by institutional investors, who hold approximately 24.7% of total shares outstanding. Company insiders own approximately 16.03%, while retail and public investors account for the remaining 59.25%.
The largest institutional shareholder of AXT, Inc. is VANGUARD GROUP INC, holding approximately 2.27 million shares — equal to 5.21% of outstanding shares — as of March 31, 2025.
A total of 70 institutional investors currently hold AXTI stock, with a combined institutional value of approximately $16,167,668 as of the most recent 13F filing period.
Frequently asked questions
AXTI ownershipAXT, Inc. (AXTI) is primarily owned by institutional investors, who hold approximately 24.7% of shares. The largest shareholder is VANGUARD GROUP INC with a 5.21% stake. Company insiders hold 16.03%. Data sourced from SEC Form 13F as of March 31, 2025.