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BLAIR WILLIAM & CO/IL

Position in ON — On Semiconductor Corp

CIK 902367 CHICAGO, IL

Position in ON

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$289,859
+$81,932 QoQ
Shares Held
3,066
-8.7% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#675
of 993 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 82% Shared 0% None 18%

Common Shares in ON Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $2,554,349,202 across 30 Semiconductors names. ON ranks #27 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ON

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $289,859 3,066
2026-03-31 $207,927 3,358
2025-09-30 $284,173 5,763
2025-06-30 $275,991 5,266
2024-12-31 $267,268 4,239
2024-09-30 $201,565 2,776
2024-06-30 $291,268 4,249
2024-03-31 $280,740 3,817
2023-12-31 $325,934 3,902
2023-09-30 $355,069 3,820
2023-06-30 $359,025 3,796
2023-03-31 $328,127 3,986
2022-12-31 $324,324 5,200
2022-09-30 $324,801 5,211
2022-06-30 $253,059 5,030
2022-03-31 $266,593 4,258
2021-12-31 $237,040 3,490
2020-09-30 $68,670 3,166
2020-06-30 $40,333 2,035
2020-03-31 $70,522 5,669