Ardsley Advisory Partners’s Celestica CLS Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-135,000	Closed	-$21.1M	–	148
2025 Q2	$21.1M	Sell	135,000 -51,000	-27%	-$5.42M	2.77%	9
2025 Q1	$14.7M	Buy	186,000 +126,000	+210%	+$13.4M	2.81%	4
2024 Q4	$5.54M	Sell	60,000 -240,000	-80%	-$18.8M	0.88%	48
2024 Q3	$15.3M	Sell	300,000 -150,000	-33%	-$7.75M	2.52%	6
2024 Q2	$25.8M	Sell	450,000 -325,150	-42%	-$16.4M	3.79%	4
2024 Q1	$34.8M	Sell	775,150 -181,950	-19%	-$6.91M	5%	3
2023 Q4	$28M	Buy	957,100 +27,900	+3%	+$742K	4.33%	2
2023 Q3	$22.8M	Buy	+929,200	New	+$19M	5.09%	1
2014 Q4	–	Sell	-15,000	Closed	-$152K	–	199
2014 Q3	$152K	Sell	15,000 -5,000	-25%	-$55.5K	0.02%	168
2014 Q2	$251K	Buy	+20,000	New	+$230K	0.03%	213
2014 Q1	–	Sell	-10,000	Closed	-$104K	–	237
2013 Q4	$104K	Buy	+10,000	New	+$105K	0.01%	159

Other funds holding CLS

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

WRCM

Whale Rock Capital Management Boston, Massachusetts $7.74B AUM 180.85% 1-Year Est. Return

VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

CIBC World Market Toronto, Ontario, Canada $61.3B AUM 39.33% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

Ardsley Advisory Partners's CLS Position: Q3 2025 in Review

Ardsley Advisory Partners sold out of Celestica (CLS) in Q3 2025, closing a stake of 135,000 shares — an estimated $21.1M sold.

Ardsley Advisory Partners first reported a position in CLS in Q4 2013 and held it in 11 quarters. The position peaked at $34.8M in Q1 2024. 711 funds tracked by Wall St. Rank hold CLS as of Q3 2025.

Ardsley Advisory Partners reported no remaining Celestica position as of Q3 2025 after selling out during the quarter.
Ardsley Advisory Partners sold 135,000 Celestica shares in Q3 2025, an estimated $21.1M.
Ardsley Advisory Partners first reported a position in Celestica in Q4 2013 and held it in 11 quarters.
Ardsley Advisory Partners's Celestica position peaked at $34.8M in Q1 2024.
711 funds tracked by Wall St. Rank held Celestica as of Q3 2025.

Based on Ardsley Advisory Partners's 13F filing for Q3 2025, filed 14 Nov 2025.