Driehaus Capital Management’s Tower Semiconductor TSEM Stock Holding History

Driehaus Capital 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	$57.2M	Buy	+326,103	New	+$43.8M	0.42%	77
2020 Q1	–	Sell	-342,452	Closed	-$8.24M	–	537
2019 Q4	$8.24M	Buy	+342,452	New	+$7.69M	0.22%	120
2018 Q1	–	Sell	-118,228	Closed	-$4.03M	–	594
2017 Q4	$4.03M	Sell	118,228 -42,271	-26%	-$1.4M	0.15%	184
2017 Q3	$4.93M	Buy	160,499 +109,759	+216%	+$2.99M	0.19%	144
2017 Q2	$1.21M	Buy	+50,740	New	+$1.2M	0.04%	317
2015 Q3	–	Sell	-597,702	Closed	-$9.23M	–	614
2015 Q2	$9.23M	Sell	597,702 -400,006	-40%	-$6.41M	0.32%	75
2015 Q1	$16.9M	Buy	997,708 +236,852	+31%	+$3.63M	0.59%	36
2014 Q4	$10.1M	Sell	760,856 -279,516	-27%	-$3.14M	0.41%	56
2014 Q3	$10.6M	Buy	+1,040,372	New	+$11M	0.4%	52

Other funds holding TSEM

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Clal Insurance Tel-Aviv, Israel $16.6B AUM 68.34% 1-Year Est. Return

Phoenix Financial Givatayim, Israel $10.5B AUM 49.21% 1-Year Est. Return

UIM

USS Investment Management London, United Kingdom $25.6B AUM 30.22% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Senvest Management New York $3.01B AUM 35.7% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

MIFH

Migdal Insurance & Financial Holdings Petach Tikva, Israel $11.5B AUM 52.5% 1-Year Est. Return

HIIFS

Harel Insurance Investments & Financial Services Ramat Gan, Israel $14.7B AUM 47% 1-Year Est. Return

Driehaus Capital Management's TSEM Position: Q1 2026 in Review

Driehaus Capital Management opened a new position in Tower Semiconductor (TSEM) in Q1 2026: 326,103 shares worth $57.2M. The stake represents 0.42% of the portfolio and ranks #77 among its holdings. This is a return to the name: Driehaus Capital Management previously reported a position in TSEM as recently as Q4 2019.

Driehaus Capital Management first reported a position in TSEM in Q3 2014 and has held it in 9 quarters since. 377 funds tracked by Wall St. Rank hold TSEM as of Q1 2026.

Driehaus Capital Management held 326,103 shares of Tower Semiconductor worth $57.2M as of Q1 2026.
Tower Semiconductor was a new Driehaus Capital Management position in Q1 2026.
Tower Semiconductor made up 0.42% of Driehaus Capital Management's portfolio in Q1 2026, its #77 holding.
Driehaus Capital Management first reported a position in Tower Semiconductor in Q3 2014 and has held it in 9 quarters since.
377 funds tracked by Wall St. Rank held Tower Semiconductor as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.