Semtech Corporation (SMTC) Ownership

NASDAQ: SMTCTop holders, insider trades and short interest.

SMTC ownership summary

as of October 18, 2026
Institutions
102.2%
of shares outstanding
Insiders
0.77%
of shares outstanding
Shares outstanding
93.3M
Float
92.8M
shares available to trade
Short interest
7.75%
6.2M shares short
Days to cover
1.95
short interest down 9.1% vs prior month
  • Institutions 102.16%
  • Insiders 0.77%

SMTC top institutional holders

20 largest
Semtech Corporation top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc10.45%9.7M$1.33B−4.5M (−31.4%)June 30, 2026
2Vanguard Portfolio Management, LLC5.71%5.3M$728.6M−1.6M (−23.0%)June 30, 2026
3Vanguard Capital Management, LLC4.50%4.2M$574.2M+54,317 (+1.3%)June 30, 2026
4Ameriprise Financial Inc3.70%3.5M$471.8M−4.0M (−53.7%)June 30, 2026
5State Street Corp3.63%3.4M$463.4M−670,222 (−16.5%)June 30, 2026
6Jane Street Group LLC3.59%3.4M$458.2M+2.6M (+333.6%)June 30, 2026
7Capital Research Global Investors3.17%3.0M$404.0M−1.2M (−28.8%)June 30, 2026
8Geode Capital Management, LLC2.42%2.3M$308.2M−272,675 (−10.8%)June 30, 2026
9Hood River Capital Management LLC2.41%2.3M$307.7M−37,147 (−1.6%)June 30, 2026
10Morgan Stanley - Brokerage Accounts2.11%2.0M$269.4M+554,170 (+39.1%)June 30, 2026
11Wellington Management Company LLP2.05%1.9M$261.9M−468,707 (−19.7%)June 30, 2026
12Bank of America Corp1.99%1.9M$254.3M+716,468 (+62.7%)June 30, 2026
13AllianceBernstein L.P.1.68%1.6M$214.3M−799,287 (−33.8%)June 30, 2026
14T. Rowe Price Associates, Inc.1.44%1.3M$184.3M+1.1M (+564.5%)June 30, 2026
15NORGES BANK1.34%1.2M$170.6M+1.1M (+946.7%)June 30, 2026
16UBS Group AG1.24%1.2M$157.8M+262,380 (+29.4%)June 30, 2026
17Millennium Management LLC1.22%1.1M$156.1M−824,088 (−41.9%)June 30, 2026
18Westfield Capital Management Company, L.P.1.21%1.1M$155.0M−147,326 (−11.5%)June 30, 2026
19Disciplined Growth Investors Inc1.02%955K$130.6M−1.3M (−56.7%)June 30, 2026
20Tremblant Capital Group0.95%887K$121.3M+887,268 (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, 8 holders added 7.3M shares and 12 cut 15.7M.

SMTC top mutual fund and ETF holders

20 largest
Semtech Corporation top fund holders
#Holder% of sharesSharesValueChangeReported
1American Funds SMALLCAP World A3.73%3.5M$476.2M+69,093 (+2.0%)September 30, 2026
2iShares Core S&P Mid-Cap ETF3.56%3.3M$453.7M−1,188 (−0.0%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest3.18%3.0M$405.2M−3,406 (−0.1%)August 31, 2026
4Vanguard Small Cap Index2.25%2.1M$287.2M−42,928 (−2.0%)September 30, 2026
5Columbia Seligman Tech & Info A2.11%2.0M$269.2M+270,630 (+15.9%)August 31, 2026
6Vanguard Information Technology ETF1.26%1.2M$160.4M+2,699 (+0.2%)September 30, 2026
7Vanguard MStar Small Cap Growth Indx Inv1.25%1.2M$159.8M−61,552 (−5.0%)September 30, 2026
8Hood River Small-Cap Growth Instl1.15%1.1M$146.3M−127,257 (−10.6%)June 30, 2026
9Vanguard Explorer Inv0.86%807K$110.3M+655,701 (+433.3%)June 30, 2026
10Invesco Discovery A0.81%756K$103.4M+46,247 (+6.5%)August 31, 2026
11State Street® SPDR® S&P MIDCAP 400® ETF0.74%689K$94.2M+7,789 (+1.1%)September 30, 2026
12Vanguard Mid Cap Growth Inv0.73%686K$93.8M+685,794 (0.0%)June 30, 2026
13Invesco S&P MidCap Momentum ETF0.67%621K$84.9M—September 30, 2026
14Invesco Semiconductors ETF0.59%551K$75.3M—September 30, 2026
15iShares Russell Mid-Cap Growth ETF0.56%521K$71.3M−558 (−0.1%)September 30, 2026
16State Street SPDR Port S&P 400 Md CpETF0.53%492K$67.3M−696 (−0.1%)September 30, 2026
17Fidelity Extended Market Index0.49%453K$62.0M−3,973 (−0.9%)August 31, 2026
18State Street® SPDR® S&P® Smcndctr ETF0.47%440K$60.2M+1,867 (+0.4%)September 30, 2026
19iShares Russell Mid-Cap ETF0.41%382K$52.2M+703 (+0.2%)September 30, 2026
20iShares S&P Mid-Cap 400 Growth ETF0.40%376K$51.5M−402 (−0.1%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

SMTC insider transactions

latest 20
Semtech Corporation insider transactions
DateNameTransactionPriceSharesValue
2026-04-22Paul V Walsh JrSell$105.93500$52,965
2026-04-10Hong Q HouSell$90.112,000$180,220
2026-04-09Martin BurvillSell$88.982,500$222,450
2026-04-01Jason Elliot GreenSell$81.737,500$612,975
2026-04-01Mark LinSell$78.42974$76,381
2026-03-24Mark LinSell$75.059,186$689,409
2026-03-18Paul V Walsh JrSell$80.87500$40,435
2026-03-11Mark LinSell$87.243,908$340,934
2026-03-10Mark LinSell$85.272,734$233,128
2026-03-06Mark LinSell$83.756,582$551,242
2026-03-03Gilbert Ray Cisneros, Jr.Buy$90.17——
2026-02-09Asaf SilbersteinSell$92.0010,000$920,000
2026-01-22Asaf SilbersteinSell$83.005,000$415,000
2026-01-21Paul V Walsh JrSell$78.25500$39,125
2026-01-20Gilbert Ray Cisneros, Jr.Buy$76.99——
2026-01-09Gregory Michael FischerSell$75.501,034$78,067
2026-01-08John Michael WilsonSell$75.125,000$375,600
2026-01-07Saar GillaiSell$75.263,600$270,936
2026-01-05Mark LinSell$76.201,333$101,575
2025-12-17Paul V Walsh JrSell$71.61500$35,805

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.

SMTC shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns SMTC

Institutional investors own 102.2% of Semtech's shares and insiders 0.77%. The largest holder is BlackRock Inc with 10.45% of the shares (9.7M), as of June 30, 2026. Among the top 20 institutions, 8 added shares and 12 reduced their stake in the latest filings. Short interest is 7.75% of the float, or 1.95 days of average trading volume. The share count rose 29.6% since 2014.

Related: SMTC analyst forecast, SMTC key metrics. See the SMTC stock overview for the latest quote and news.

SMTC ownership FAQ

Who owns the most Semtech stock?

The largest shareholders of Semtech are BlackRock Inc (10.45%), Vanguard Portfolio Management, LLC (5.71%), Vanguard Capital Management, LLC (4.50%), Ameriprise Financial Inc (3.70%), State Street Corp (3.63%).

What percentage of Semtech is owned by institutions?

Institutions hold 102.2% of Semtech's shares outstanding; insiders hold 0.77%.

Which funds own Semtech?

The largest fund holders of Semtech are American Funds SMALLCAP World A (3.73%), iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.18%), Vanguard Small Cap Index (2.25%), Columbia Seligman Tech & Info A (2.11%).

What is Semtech's short interest?

6.2M shares of Semtech were sold short, 7.75% of the float; at the average daily volume it would take 1.95 days to cover.

Are insiders buying or selling Semtech?

Of the latest 20 reported insider transactions in Semtech (since December 17, 2025), 2 were purchases and 18 were sales.

How many shares of Semtech are outstanding?

Semtech has 93.3M shares outstanding, of which 92.8M are in the public float.

Semiconductors: ownership