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Essex Investment Management’s Tower Semiconductor TSEM Stock Holding History

Essex 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 		$20.3M Sell
115,933
-76,695
-40% -$10.3M 3.22% 1
2025
Q4 		$22.6M Sell
192,628
-3,711
-2% -$357K 3.45% 1
2025
Q3 		$14.2M Buy
196,339
+1,043
+0.5% +$57K 2.17% 4
2025
Q2 		$8.47M Buy
195,296
+22,237
+13% +$854K 1.54% 9
2025
Q1 		$6.17M Sell
173,059
-10,333
-6% -$467K 1.29% 12
2024
Q4 		$9.45M Buy
183,392
+3,813
+2% +$179K 1.7% 6
2024
Q3 		$7.95M Buy
179,579
+12,551
+8% +$514K 1.39% 11
2024
Q2 		$6.57M Buy
167,028
+2,000
+1% +$71K 1.23% 15
2024
Q1 		$5.52M Buy
+165,028
New +$5.14M 1.09% 19
2016
Q3 		– Sell
-11,300
Closed -$140K – 359
2016
Q2 		$140K Sell
11,300
-38,700
-77% -$466K 0.02% 305
2016
Q1 		$606K Hold
50,000
– – 0.1% 201
2015
Q4 		$703K Hold
50,000
– – 0.11% 200
2015
Q3 		$644K Hold
50,000
– – 0.11% 197
2015
Q2 		$772K Sell
50,000
-14,522
-23% -$233K 0.12% 188
2015
Q1 		$1.1M Sell
64,522
-72,020
-53% -$1.1M 0.15% 144
2014
Q4 		$1.82M Buy
136,542
+11,841
+9% +$133K 0.27% 98
2014
Q3 		$1.27M Buy
+124,701
New +$1.32M 0.19% 129

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 $6.73T AUM 46.02% 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 $20.6B AUM 59.59% 1-Year Est. Return

Essex Investment Management's TSEM Position: Q1 2026 in Review

Essex Investment Management reduced its Tower Semiconductor (TSEM) stake by 40% in Q1 2026, selling an estimated $10.3M and leaving 115,933 shares worth $20.3M. The position accounts for 3.22% of the portfolio, ranked #1.

Essex Investment Management first reported a position in TSEM in Q3 2014 and has held it in 17 quarters since. The position peaked at $22.6M in Q4 2025. 377 funds tracked by Wall St. Rank hold TSEM as of Q1 2026.

  • Essex Investment Management held 115,933 shares of Tower Semiconductor worth $20.3M as of Q1 2026.
  • Essex Investment Management sold 76,695 Tower Semiconductor shares in Q1 2026, an estimated $10.3M.
  • Tower Semiconductor made up 3.22% of Essex Investment Management's portfolio in Q1 2026, its #1 holding.
  • Essex Investment Management first reported a position in Tower Semiconductor in Q3 2014 and has held it in 17 quarters since.
  • Essex Investment Management's Tower Semiconductor position peaked at $22.6M in Q4 2025.
  • 377 funds tracked by Wall St. Rank held Tower Semiconductor as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.