Ardsley Advisory Partners’s STMicroelectronics STM Stock Holding History

Ardsley Advisory Partners’s Portfolio STM Stock Details STM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$3.02M	Buy	+41,000	New	+$2.47M	0.31%	91
2025 Q3	–	Sell	-130,000	Closed	-$3.97M	–	199
2025 Q2	$3.97M	Buy	+130,000	New	+$3.23M	0.52%	56
2022 Q3	–	Sell	-34,000	Closed	-$1.07M	–	152
2022 Q2	$1.07M	Buy	+34,000	New	+$1.27M	0.18%	77
2019 Q4	–	Sell	-30,000	Closed	-$580K	–	184
2019 Q3	$580K	Buy	+30,000	New	+$550K	0.13%	84
2017 Q3	–	Sell	-425,000	Closed	-$6.12M	–	156
2017 Q2	$6.12M	Buy	425,000 +45,000	+12%	+$710K	0.95%	40
2017 Q1	$5.88M	Buy	+380,000	New	+$5.3M	0.91%	39

Other funds holding STM

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

WAM

WT Asset Management Hong Kong $5.05B AUM 589.49% 1-Year Est. Return

SPC

Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Ardsley Advisory Partners's STM Position: Q2 2026 in Review

Ardsley Advisory Partners opened a new position in STMicroelectronics (STM) in Q2 2026: 41,000 shares worth $3.02M. The stake represents 0.31% of the portfolio and ranks #91 among its holdings. This is a return to the name: Ardsley Advisory Partners previously reported a position in STM as recently as Q2 2025.

Ardsley Advisory Partners first reported a position in STM in Q1 2017 and has held it in 6 quarters since. The position peaked at $6.12M in Q2 2017. 604 funds tracked by Wall St. Rank hold STM as of Q2 2026.

Ardsley Advisory Partners held 41,000 shares of STMicroelectronics worth $3.02M as of Q2 2026.
STMicroelectronics was a new Ardsley Advisory Partners position in Q2 2026.
STMicroelectronics made up 0.31% of Ardsley Advisory Partners's portfolio in Q2 2026, its #91 holding.
Ardsley Advisory Partners first reported a position in STMicroelectronics in Q1 2017 and has held it in 6 quarters since.
Ardsley Advisory Partners's STMicroelectronics position peaked at $6.12M in Q2 2017.
604 funds tracked by Wall St. Rank held STMicroelectronics as of Q2 2026.

Based on Ardsley Advisory Partners's 13F filing for Q2 2026, filed 13 Jul 2026.