ON Semiconductor Corporation (ON) Ownership

NASDAQ: ONTop holders, insider trades and short interest.

ON ownership summary

as of October 18, 2026
Institutions
105.8%
of shares outstanding
Insiders
0.31%
of shares outstanding
Shares outstanding
389.3M
Float
387.7M
shares available to trade
Short interest
10.59%
30.0M shares short
Days to cover
2.72
short interest up 1.5% vs prior month
  • Institutions 105.82%
  • Insiders 0.31%

ON top institutional holders

20 largest
ON Semiconductor Corporation top institutional holders
#Holder% of sharesSharesValueChangeReported
1FMR Inc14.56%56.7M$4.08B−1.5M (−2.5%)June 30, 2026
2BlackRock Inc10.53%41.0M$2.95B+1.1M (+2.7%)June 30, 2026
3Vanguard Capital Management, LLC6.58%25.6M$1.84B−16,803 (−0.1%)June 30, 2026
4Vanguard Portfolio Management, LLC5.04%19.6M$1.41B−423,229 (−2.1%)June 30, 2026
5State Street Corp4.77%18.6M$1.34B+249,677 (+1.4%)June 30, 2026
6HHG PLC3.52%13.7M$986.7M+1.3M (+10.9%)March 31, 2026
7Jupiter Topco LLC3.45%13.4M$967.1M+13.4M (0.0%)June 30, 2026
8Geode Capital Management, LLC2.78%10.8M$780.4M+72,726 (+0.7%)June 30, 2026
9JPMorgan Chase & Co2.60%10.1M$729.5M−6.0M (−37.1%)June 30, 2026
10The Goldman Sachs Group Inc2.02%7.9M$567.4M+1.2M (+18.7%)June 30, 2026
11NORGES BANK2.02%7.9M$565.9M+1.7M (+28.6%)June 30, 2026
12Bank of America Corp1.61%6.3M$452.0M+1.0M (+20.1%)June 30, 2026
13Morgan Stanley - Brokerage Accounts1.52%5.9M$426.2M−190,029 (−3.1%)June 30, 2026
14Ameriprise Financial Inc1.45%5.6M$405.6M−821,269 (−12.7%)June 30, 2026
15Assenagon Asset Management SA1.44%5.6M$404.4M+4.0M (+249.6%)June 30, 2026
16Van Eck Associates Corporation1.32%5.1M$370.4M+731,540 (+16.6%)June 30, 2026
17Amundi1.30%5.1M$363.9M+202,682 (+4.2%)June 30, 2026
18Amvescap Plc.1.26%4.9M$352.1M−1.1M (−19.0%)June 30, 2026
19Jericho Capital Asset Management LP1.25%4.9M$351.5M+4.9M (0.0%)June 30, 2026
20Pictet Asset Manangement SA1.09%4.2M$305.1M−361,176 (−7.9%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 30.0M shares and 8 cut 10.4M.

ON top mutual fund and ETF holders

20 largest
ON Semiconductor Corporation top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Select Semiconductors5.58%21.7M$1.56B−1.2M (−5.4%)August 31, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.20%12.5M$896.9M−26,021 (−0.2%)August 31, 2026
3Vanguard 500 Index Investor2.67%10.4M$749.6M+123,032 (+1.2%)August 31, 2026
4iShares Semiconductor ETF2.35%9.2M$659.3M−92,191 (−1.0%)September 30, 2026
5Vanguard MStar Mid Cap Index Instl2.18%8.5M$610.5M−4,490 (−0.1%)August 31, 2026
6Fidelity Select Technology2.16%8.4M$604.6M−7.9M (−48.4%)August 31, 2026
7Janus Henderson Enterprise D2.00%7.8M$560.1M+267,900 (+3.6%)August 31, 2026
8iShares Core S&P 500 ETF1.33%5.2M$373.6M−8,362 (−0.2%)September 30, 2026
9Fidelity 500 Index1.31%5.1M$366.4M+19,538 (+0.4%)August 31, 2026
10State Street® SPDR® S&P 500® ETF1.23%4.8M$344.0M—September 30, 2026
11VanEck Semiconductor ETF1.19%4.6M$333.5M+26,348 (+0.6%)September 30, 2026
12Columbia Seligman Tech & Info A1.06%4.1M$296.8M+1.1M (+35.6%)August 31, 2026
13Vanguard MStar Value Index Investor0.96%3.7M$269.7M+12,854 (+0.3%)August 31, 2026
14Fidelity Advisor Semiconductors I0.93%3.6M$260.2M−134,300 (−3.6%)August 31, 2026
15Vanguard Information Technology ETF0.85%3.3M$237.8M−3,994 (−0.1%)August 31, 2026
16Direxion Daily Semicondct Bull 3X ETF0.82%3.2M$229.6M−19,264 (−0.6%)September 30, 2026
17State Street®TechSelSectSPDR®ETF0.72%2.8M$202.3M+1,728 (+0.1%)September 30, 2026
18Invesco S&P 500® Equal Weight ETF0.71%2.8M$198.5M−5,700 (−0.2%)September 30, 2026
19Vanguard MStar Mid Cap Value ETF0.65%2.5M$182.7M+14,285 (+0.6%)August 31, 2026
20Vanguard Institutional Index I0.54%2.1M$150.8M−21,572 (−1.0%)August 31, 2026

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

ON insider transactions

latest 7
ON Semiconductor Corporation insider transactions
DateNameTransactionPriceSharesValue
2026-04-16Trent ThadSell$80.0030,000$2.4M
2026-03-13Sudhir GopalswamySell$58.676,114$358,708
2026-02-12Hassane El-KhourySell$73.0220,000$1.5M
2026-02-12Trent ThadSell$71.2260,000$4.3M
2026-01-29Ro KhannaSell$62.20——
2025-12-03Trent ThadSell$55.0520,000$1.1M
2025-08-13Hassane El-KhourySell$51.2215,000$768,300

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.

ON shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ON

Institutional investors own 105.8% of onsemi's shares and insiders 0.31%. The largest holder is FMR Inc with 14.56% of the shares (56.7M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 10.59% of the float, or 2.72 days of average trading volume. The share count fell 8.6% since 2014.

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

ON ownership FAQ

Who owns the most onsemi stock?

The largest shareholders of onsemi are FMR Inc (14.56%), BlackRock Inc (10.53%), Vanguard Capital Management, LLC (6.58%), Vanguard Portfolio Management, LLC (5.04%), State Street Corp (4.77%).

What percentage of onsemi is owned by institutions?

Institutions hold 105.8% of onsemi's shares outstanding; insiders hold 0.31%.

Which funds own onsemi?

The largest fund holders of onsemi are Fidelity Select Semiconductors (5.58%), Vanguard MStar Total Stk Mkt Idx Invest (3.20%), Vanguard 500 Index Investor (2.67%), iShares Semiconductor ETF (2.35%), Vanguard MStar Mid Cap Index Instl (2.18%).

What is onsemi's short interest?

30.0M shares of onsemi were sold short, 10.59% of the float; at the average daily volume it would take 2.72 days to cover.

Are insiders buying or selling onsemi?

Of the latest 7 reported insider transactions in onsemi (since August 13, 2025), 0 were purchases and 7 were sales.

How many shares of onsemi are outstanding?

onsemi has 389.3M shares outstanding, of which 387.7M are in the public float.

Semiconductors: ownership