Boston Partners
TSEM icon

Boston Partners’s Tower Semiconductor TSEM Stock Holding History

Boston Partners’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 		– Sell
-12,835
Closed -$1.51M – 843
2025
Q4 		$1.51M Sell
12,835
-220,524
-94% -$21.2M ﹤0.01% 593
2025
Q3 		$16.9M Sell
233,359
-95,320
-29% -$5.21M 0.02% 387
2025
Q2 		$14.3M Sell
328,679
-258,047
-44% -$9.91M 0.02% 379
2025
Q1 		$20.9M Buy
586,726
+96,472
+20% +$4.36M 0.03% 321
2024
Q4 		$25.3M Sell
490,254
-48,822
-9% -$2.29M 0.03% 308
2024
Q3 		$23.9M Buy
539,076
+58,802
+12% +$2.41M 0.03% 315
2024
Q2 		$18.9M Buy
480,274
+151,431
+46% +$5.38M 0.02% 339
2024
Q1 		$11M Buy
328,843
+269,476
+454% +$8.39M 0.01% 389
2023
Q4 		$1.81M Buy
59,367
+42,662
+255% +$1.11M ﹤0.01% 510
2023
Q3 		$410K Buy
+16,705
New +$536K ﹤0.01% 660
2019
Q1 		– Sell
-70,282
Closed -$1.04M – 725
2018
Q4 		$1.04M Buy
+70,282
New +$1.17M ﹤0.01% 649

Other funds holding TSEM

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CI
Clal Insurance Tel-Aviv, Israel $16.6B AUM 68.34% 1-Year Est. Return
PF
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
SM
Senvest Management New York $3.01B AUM 35.7% 1-Year Est. Return
Invesco
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

Boston Partners's TSEM Position: Q1 2026 in Review

Boston Partners sold out of Tower Semiconductor (TSEM) in Q1 2026, closing a stake of 12,835 shares — an estimated $1.51M sold.

Boston Partners first reported a position in TSEM in Q4 2018 and held it in 11 quarters. The position peaked at $25.3M in Q4 2024. 377 funds tracked by Wall St. Rank hold TSEM as of Q1 2026.

  • Boston Partners reported no remaining Tower Semiconductor position as of Q1 2026 after selling out during the quarter.
  • Boston Partners sold 12,835 Tower Semiconductor shares in Q1 2026, an estimated $1.51M.
  • Boston Partners first reported a position in Tower Semiconductor in Q4 2018 and held it in 11 quarters.
  • Boston Partners's Tower Semiconductor position peaked at $25.3M in Q4 2024.
  • 377 funds tracked by Wall St. Rank held Tower Semiconductor as of Q1 2026.

Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.