William Blair Investment Management

William Blair Investment Management’s Tower Semiconductor TSEM Stock Holding History

William Blair Investment Management’s Portfolio TSEM Stock Details TSEM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$14.8M	Sell	84,094 -294,886	-78%	-$39.6M	0.05%	278
2025 Q4	$44.5M	Sell	378,980 -323,369	-46%	-$31.1M	0.12%	150
2025 Q3	$50.8M	Sell	702,349 -50,655	-7%	-$2.77M	0.13%	142
2025 Q2	$32.6M	Sell	753,004 -83,124	-10%	-$3.19M	0.09%	186
2025 Q1	$29.8M	Sell	836,128 -201,660	-19%	-$9.11M	0.08%	221
2024 Q4	$53.5M	Buy	1,037,788 +25,247	+2%	+$1.18M	0.13%	147
2024 Q3	$44.8M	Sell	1,012,541 -28,443	-3%	-$1.17M	0.11%	151
2024 Q2	$40.9M	Sell	1,040,984 -2,706	-0.3%	-$96.1K	0.11%	160
2024 Q1	$34.9M	Buy	+1,043,690	New	+$32.5M	0.09%	212
2022 Q2	–	Sell	-825,967	Closed	-$40M	–	447
2022 Q1	$40M	Sell	825,967 -778,972	-49%	-$32.9M	0.12%	186
2021 Q4	$63.7M	Sell	1,604,939 -132,596	-8%	-$4.6M	0.17%	142
2021 Q3	$52M	Buy	1,737,535 +1,734,040	+49,615%	+$49.9M	0.15%	153
2021 Q2	$103K	Buy	+3,495	New	+$98.2K	﹤0.01%	381
2018 Q3	–	Sell	-9,600	Closed	-$211K	–	485
2018 Q2	$211K	Buy	+9,600	New	+$244K	﹤0.01%	474

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