Question 1

Does Boston Partners own TSEM stock?

Accepted Answer

No. Boston Partners exited its TSEM (Tower Semiconductor) position in Q1 2026. Its Q4 2025 13F listed 12,835 shares worth $1.5M.

Question 2

How many shares of TSEM does Boston Partners own?

Accepted Answer

None since Q1 2026, when Boston Partners exited the position. Its Q4 2025 13F listed 12,835 shares worth $1.5M.

Question 3

What is Boston Partners' TSEM position worth?

Accepted Answer

Boston Partners' TSEM position was worth $1.5M in its Q4 2025 13F, before the exit in Q1 2026.

Question 4

Is Boston Partners buying or selling TSEM?

Accepted Answer

In Q1 2026, Boston Partners exited its entire TSEM position.

Question 5

When did Boston Partners first buy TSEM?

Accepted Answer

Boston Partners already held TSEM in its Q4 2018 13F, the earliest on record, and listed it in 11 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$175.48	0
2025-Q4	Decreased	12,835	-94.5%	$1.5M	0.0%	$117.42	0
2025-Q3	Decreased	233,359	-29.0%	$16.9M	0.0%	$72.30	0
2025-Q2	Decreased	328,679	-44.0%	$14.3M	0.0%	$43.35	0
2025-Q1	Increased	586,726	+19.7%	$20.9M	0.0%	$35.66	34
2024-Q4	Decreased	490,254	-9.1%	$25.3M	0.0%	$51.51	0
2024-Q3	Increased	539,076	+12.2%	$23.9M	0.0%	$44.26	32