$ON

$74.06 +$1.81 (2.51%) Close

$ON Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 389.3M shares outstanding

Who owns ON?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 54.4%

FMR LLC 14.6% · BlackRock, Inc. 10.5%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

1,000

+167 vs last qtr

Net shares bought

−6.5M

by institutions in Q2 2026

New / sold out

242 / 75

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +13.4M
Norges Bank NEW +7.9M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −13.7M
Slate Path Capital LP −6.5M

Who is planning to sell?

Notices of proposed sale, last 12 months

$31.2M

14 notices from 6 people

Shares covered

371.8K

0.10% of the company

Arranged in advance

43%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Thad Trent Officer $13.1M
Simon Keeton Officer $7.99M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−2.0%

−0.22% a year

Each share's claim on the business

+2.0%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$3.4B vs $955M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years78% 3–5 years4% 1–3 years5% Under 1 year13%

Quarterly turnover

15.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ON on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	56.7M	14.56%	−1.5M (−2.5%)	≤2021	0.2%
Shares held by quarter Peak holding64.0M (Q3'24) Change over 8 quarters−7.3M Share of the company14.560% FMR LLC's full portfolio →
B BlackRock, Inc.	41.0M	10.53%	+1.1M (+2.7%)	≤2021	0.1%
Shares held by quarter Peak holding44.0M (Q2'25) Change over 8 quarters−893.7K Share of the company10.530% BlackRock, Inc.'s full portfolio →

FMR LLC

56.7M

% of company

14.56%

Change vs last qtr

−1.5M (−2.5%)

Held since

≤2021

BlackRock, Inc.

41.0M

% of company

10.53%

Change vs last qtr

+1.1M (+2.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding ON Semiconductor Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ON on Form N-PORT; together they hold 52.7% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
SS Select Semiconductors Portfolio Fidelity Select Portfolios	$2.68B	22.2M	5.71%	5.22%	May 31, 2026
ST Select Technology Portfolio Fidelity Select Portfolios	$2.01B	16.7M	4.28%	5.29%	May 31, 2026

Select Semiconductors Portfolio

Fidelity Select Portfolios

Position value

$2.68B

% of company

5.71%

% of the fund

5.22%

As of

May 31, 2026

Select Technology Portfolio

Fidelity Select Portfolios

Position value

$2.01B

% of company

4.28%

% of the fund

5.29%

As of

May 31, 2026

23 more funds behind a free account

See every fund holding ON Semiconductor Corp and how much of the fund the position is.

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