Main Street Research’s ON Semiconductor ON Stock Holding History

Main Street Research’s Portfolio ON Stock Details ON Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$980K	Buy	10,363 +13	+0.1%	+$1.33K	0.05%	65
2026 Q1	$641K	Buy	+10,350	New	+$650K	0.04%	74
2023 Q4	–	Sell	-219,691	Closed	-$20.4M	–	109
2023 Q3	$20.4M	Buy	219,691 +61,545	+39%	+$5.98M	2.1%	28
2023 Q2	$15M	Sell	158,146 -2,503	-2%	-$207K	2.38%	14
2023 Q1	$13.2M	Buy	160,649 +2,334	+1%	+$177K	2.61%	11
2022 Q4	$9.87M	Buy	+158,315	New	+$10.6M	2.4%	14

Other funds holding ON

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Robeco Schweiz Zurich, Switzerland $6.23B AUM 86.54% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

BTW

Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

EAM

Erste Asset Management Vienna, Austria $12.9B AUM 52.69% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

Main Street Research's ON Position: Q2 2026 in Review

Main Street Research increased its ON Semiconductor (ON) stake by 0.13% in Q2 2026, buying an estimated $1.33K and bringing the position to 10,363 shares worth $980K. The position accounts for 0.05% of the portfolio, ranked #65.

Main Street Research first reported a position in ON in Q4 2022 and has held it in 6 quarters since. The position peaked at $20.4M in Q3 2023. 337 funds tracked by Wall St. Rank hold ON as of Q2 2026.

Main Street Research held 10,363 shares of ON Semiconductor worth $980K as of Q2 2026.
Main Street Research bought 13 ON Semiconductor shares in Q2 2026, an estimated $1.33K.
ON Semiconductor made up 0.05% of Main Street Research's portfolio in Q2 2026, its #65 holding.
Main Street Research first reported a position in ON Semiconductor in Q4 2022 and has held it in 6 quarters since.
Main Street Research's ON Semiconductor position peaked at $20.4M in Q3 2023.
337 funds tracked by Wall St. Rank held ON Semiconductor as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.