Semtech Corporation
Semtech Corporation (SMTC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SMTC · as of Mar 31, 2025
Ownership Breakdown
347
Institutional Holders
▼ 39 vs Q4
$3.36B
Total Inst. Value
▼ $2.57B vs Q4
93.15M
Shares Outstanding
freeFloat 99.44%
97.63M
13F Shares Held
▲ 1.71M 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
SMTC largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. semiconductors & related devices | 13.05M | 18.22% | 18.22% | $448.79B | May 2, 2025 | ▲ 84.8K |
VANGUARD GROUP INC semiconductors & related devices | 11.70M | 16.34% | 16.34% | $402.56B | May 9, 2025 | ▲ 159.8K |
AMERIPRISE FINANCIAL INC semiconductors & related devices | 6.45M | 9.00% | 9.00% | $221.74B | May 14, 2025 | ▲ 877.4K |
STATE STREET CORP semiconductors & related devices | 3.98M | 5.55% | 5.55% | $136.79B | May 15, 2025 | ▲ 165.4K |
WHALE ROCK CAPITAL MANAGEMENT LLC semiconductors & related devices | 3.95M | 5.52% | 5.52% | $136.02B | May 15, 2025 | ▲ 687.9K |
ALLIANCEBERNSTEIN L.P. semiconductors & related devices | 3.02M | 4.22% | 4.22% | $104.00B | May 15, 2025 | ▼ 285.6K |
MACQUARIE GROUP LTD semiconductors & related devices | 2.99M | 4.17% | 4.17% | $102.81B | Aug 14, 2025 | ▲ 314.8K |
DISCIPLINED GROWTH INVESTORS INC /MN semiconductors & related devices | 2.78M | 3.88% | 3.88% | $95.58B | May 15, 2025 | ▲ 85.7K |
CAPITAL RESEARCH GLOBAL INVESTORS semiconductors & related devices | 2.60M | 3.63% | 3.63% | $89.41B | May 12, 2025 | ▲ 465.9K |
WELLINGTON MANAGEMENT GROUP LLP semiconductors & related devices | 2.31M | 3.23% | 3.23% | $79.57B | May 13, 2025 | ▲ 170.1K |
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
31
Increased
+12.01M shares4
New Positions
first time holders15
Decreased
−6.88M shares0
Sold Out
fully exitedNet shares change (top 50)
+5.12M
+12.01M / −6.88M
Net new holders
+20
4 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
SMTC 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.
21
Buy transactions
20
Sell transactions
1.05
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 |
|---|---|---|---|---|---|---|---|
Silberstein Asaf EVP and COO | Jun 3, 2026 | Sale | 2,000 | $164.00 | $328.0K | 104.2K | 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
Semtech Corporation (SMTC) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.56%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Semtech Corporation is BLACKROCK, INC., holding approximately 13.05 million shares — equal to 18.22% of outstanding shares — as of March 31, 2025.
A total of 347 institutional investors currently hold SMTC stock, with a combined institutional value of approximately $3.36 billion as of the most recent 13F filing period.
Frequently asked questions
SMTC ownershipSemtech Corporation (SMTC) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 18.22% stake. Company insiders hold 0.56%. Data sourced from SEC Form 13F as of March 31, 2025.