Semtech Corporation
Ownership
Ownership Structure
Who owns Semtech Corporation (SMTC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.4% of the shares are freely tradable; institutional investors hold 109.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.45 | 9,749,439 | -31.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.71 | 5,328,594 | -23.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.50 | 4,199,493 | +1.3 | 06/30/2026 |
| Ameriprise Financial Inc | 3.70 | 3,450,916 | -53.7 | 06/30/2026 |
| State Street Corp | 3.63 | 3,389,044 | -16.5 | 06/30/2026 |
| Jane Street Group LLC | 3.59 | 3,351,040 | +333.6 | 06/30/2026 |
| Capital Research Global Investors | 3.17 | 2,954,432 | -28.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds SMALLCAP World A | 3.73 | 3,482,608 | +2.0 | 09/30/2026 |
| iShares Core S&P Mid-Cap ETF | 3.56 | 3,318,059 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 2,965,540 | +0.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Silberstein Asaf | EVP and COO | 90,060 | 11,473,644 $ | Aug 17, 2026 | both |
| Wilson John Michael | Chief Quality Officer and CTO | 81,563 | 10,391,126 $ | Sep 10, 2026 | direct |
| Hou Hong Q | President and CEO | 65,976 | 8,405,342 $ | Oct 2, 2026 | direct |
| Lin Mark | EVP and CFO | 35,999 | 4,586,273 $ | Oct 1, 2026 | direct |
| Walsh Paul V Jr | Director | 26,100 | 3,325,140 $ | Oct 21, 2026 | direct |
| Green Jason Elliot | EVP and CCO | 7,367 | 938,556 $ | Oct 7, 2026 | direct |
| Ruehl Julie Garcia | Director | 7,140 | 909,636 $ | Sep 4, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 21, 2026 | Walsh Paul V Jr | Director | Sell | 500 | 139.44 | 69,720 |
| Oct 7, 2026 | Green Jason Elliot | EVP and CCO | Sell | 2,766 | 190.35 | 526,508 |
| Oct 2, 2026 | Hou Hong Q | President and CEO | Sell | 2,000 | 191.21 | 382,420 |
| Oct 1, 2026 | Lin Mark | EVP and CFO | Sell | 967 | 178.87 | 172,967 |
| Oct 1, 2026 | Lin Mark | EVP and CFO | Other | 1,565 | 178.35 | 279,118 |
| Oct 1, 2026 | Lin Mark | EVP and CFO | Other | 3,165 | 0.00 | – |
| Oct 1, 2026 | Hou Hong Q | President and CEO | Other | 3,299 | 178.35 | 588,377 |
| Oct 1, 2026 | Hou Hong Q | President and CEO | Other | 6,483 | 0.00 | – |
| Sep 23, 2026 | Walsh Paul V Jr | Director | Sell | 500 | 172.61 | 86,305 |
| Sep 16, 2026 | Cardenuto Rodolpho C | Director | Sell | 5,321 | 165.00 | 877,978 |
| Sep 10, 2026 | Lin Mark | EVP and CFO | Sell | 683 | 159.90 | 109,212 |
| Sep 10, 2026 | Lin Mark | EVP and CFO | Other | 1,195 | 163.94 | 195,908 |
| Sep 10, 2026 | Lin Mark | EVP and CFO | Other | 2,348 | 0.00 | – |
| Sep 10, 2026 | Green Jason Elliot | EVP and CCO | Other | 989 | 163.94 | 162,137 |
| Sep 10, 2026 | Green Jason Elliot | EVP and CCO | Other | 2,511 | 0.00 | – |
| Sep 10, 2026 | Silberstein Asaf | EVP and COO | Other | 1,241 | 163.94 | 203,450 |
| Sep 10, 2026 | Silberstein Asaf | EVP and COO | Other | 2,439 | 0.00 | – |
| Sep 10, 2026 | Wilson John Michael | Chief Quality Officer and CTO | Other | 713 | 163.94 | 116,889 |
| Sep 10, 2026 | Wilson John Michael | Chief Quality Officer and CTO | Other | 1,400 | 0.00 | – |
| Sep 10, 2026 | Hou Hong Q | President and CEO | Other | 4,137 | 163.94 | 678,220 |
| Sep 10, 2026 | Hou Hong Q | President and CEO | Other | 8,130 | 0.00 | – |
| Sep 4, 2026 | Ruehl Julie Garcia | Director | Sell | 1,500 | 145.00 | 217,500 |
| Sep 4, 2026 | Hou Hong Q | President and CEO | Sell | 2,000 | 138.71 | 277,420 |
| Aug 19, 2026 | Walsh Paul V Jr | Director | Sell | 500 | 135.48 | 67,740 |
| Aug 17, 2026 | Silberstein Asaf | EVP and COO | Sell | 5,000 | 150.00 | 750,000 |
| Aug 7, 2026 | Hou Hong Q | President and CEO | Sell | 2,000 | 140.00 | 280,000 |
| Jul 14, 2026 | Silberstein Asaf | EVP and COO | Sell | 3,000 | 145.04 | 435,120 |
| Jul 10, 2026 | Hou Hong Q | President and CEO | Sell | 2,000 | 133.00 | 266,000 |
| Jul 7, 2026 | Green Jason Elliot | EVP and CCO | Sell | 1,132 | 130.48 | 147,698 |
| Apr 22, 2026 | Paul V Walsh Jr | Director | Sell | 500 | 105.93 | 52,965 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.