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ON Institutional Ownership & 13F Holders | SmartMoneyDB

ONON SEMICONDUCTOR CORP

COM · CUSIP 682189105

Smart Money Ownership

Of the 16 tracked institutions holding ON, 10 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +6.7pt. It's a gauge of who owns the name, not just how many.

Slate Path Capital

$482.9M · 7.2% of book

ON (ON SEMICONDUCTOR CORP) Institutional Ownership Summary

Among the 16 tracked institutional investors we monitor, ON (ON SEMICONDUCTOR CORP) is held with a combined value of $10.96B across 183,405,834 shares. The largest holder is FMR LLC with a position worth $3.60B (0.19% of their portfolio). 4 funds increased their holdings. 12 funds reduced their position.

Total Institutional Value

$10.96B

Total Shares Held

183,405,834

Institutional Holders

% of Shares Outstanding

46.8%

of 391.90M shares · SEC 2026-04-29

Days to Cover

2.8+5.1%

31.30M shares short · FINRA 2026-07-15

Tracked 13F institutions hold 46.8% of ON's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-29), not a live float.

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

WELLINGTON MANAGEMENT GROUP LLP+1612% shares~$33.6M AQR CAPITAL MANAGEMENT LLC+84% shares~$11.0M ADAGE CAPITAL PARTNERS GP, L.L.C.+47% shares~$6.2M Gotham Asset Management, LLC+10% shares~$4.5M

Biggest Sellers

13F Institutional Holders

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Slate Path Capital LP

Gotham Asset Management, LLC

0.16% of book+9.5%

$51.71M

PRICE T ROWE ASSOCIATES INC /MD/

0.01% of book-24.4%

$44.47M

MILLENNIUM MANAGEMENT LLC

0.02% of book-82.3%

$42.03M

WELLINGTON MANAGEMENT GROUP LLP

0.01% of book+1612.3%

$35.73M

#	Fund	Value↓	Shares	Portfolio %	Change
1	FMR LLC	$3.60B	58,158,341	0.19%	-2.0%
2	VANGUARD GROUP INC	$2.77B	51,066,453	0.04%	-0.5%
3	BlackRock, Inc.	$2.47B	39,911,681	0.04%	-1.2%
4	STATE STREET CORP	$1.13B	18,307,578	0.04%	-2.9%
5	Slate Path Capital LP	$482.90M	7,798,800	7.17%	-25.6%
6	BAILLIE GIFFORD & CO	$265.47M	4,287,304	0.27%	-9.3%
7	Gotham Asset Management, LLC	$51.71M	835,102	0.16%	+9.5%
8	PRICE T ROWE ASSOCIATES INC /MD/	$44.47M	718,120	0.01%	-24.4%
9	MILLENNIUM MANAGEMENT LLC	$42.03M	678,790	0.02%	-82.3%
10	WELLINGTON MANAGEMENT GROUP LLP	$35.73M	576,982	0.01%	+1612.3%

Congress Trading

4 members · 9 disclosed trades in ON

Member	Type	Amount	Date
Julie Johnson	Sell	$1,001 - $15,000	Apr 1, 2025
Rob Bresnahan	Sell	$1,001 - $15,000	Feb 25, 2025
Julie Johnson	Buy	$1,001 - $15,000	Feb 12, 2025
Rob Bresnahan	Sell	$1,001 - $15,000

Frequently Asked Questions

Which institutional investors own the most ON stock?

As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of ON with a position worth $3.60B, representing 0.19% of their portfolio. In total, 16 institutional investors hold ON with a combined value of $10.96B.

What percentage of ON is owned by institutional investors?

Institutional investors hold $10.96B worth of ON stock across 16 positions. The largest institutional holder is FMR LLC with $3.60B in holdings.

What is a 13F filing and why does it matter for ON?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ON, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track ON institutional moves

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