Semtech Corporation (SMTC) ownership: Top institutional holder: BlackRock, Inc. ($1.09B). Insider activity: Net Seller (3 buys, 17 sells). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 14222219.00 | $1.09B | 2026-03-31 |
| VANGUARD GROUP INC | 11858352.00 | $873.84M | 2025-12-31 |
| AMERIPRISE FINANCIAL INC | 7450380.00 | $572.65M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6922634.00 | $532.28M | 2026-03-31 |
| Capital Research Global Investors | 4152082.00 | $319.25M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4145176.00 | $318.72M | 2026-03-31 |
| STATE STREET CORP | 4059266.00 | $312.12M | 2026-03-31 |
| Whale Rock Capital Management LLC | 3901469.00 | $287.50M | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-04-22 | |
| Sell | null | 2026-04-10 | |
| Sell | null | 2026-04-09 | |
| Sell | null | 2026-04-06 | |
| Sell | null | 2026-04-06 | |
| Sell | null | 2026-04-06 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.