Castleark Management’s Celestica CLS Stock Holding History

Castleark Management’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
2026 Q1	–	Sell	-1,850	Closed	-$547K	–	304
2025 Q4	$547K	Buy	1,850 +620	+50%	+$187K	0.02%	248
2025 Q3	$303K	Sell	1,230 -50,530	-98%	-$10.2M	0.01%	253
2025 Q2	$8.08M	Sell	51,760 -18,480	-26%	-$1.96M	0.24%	65
2025 Q1	$5.54M	Sell	70,240 -31,360	-31%	-$3.33M	0.19%	107
2024 Q4	$9.38M	Buy	+101,600	New	+$7.95M	0.33%	51
2024 Q3	–	Sell	-124,310	Closed	-$7.13M	–	279
2024 Q2	$7.13M	Sell	124,310 -71,040	-36%	-$3.58M	0.29%	72
2024 Q1	$8.78M	Sell	195,350 -97,100	-33%	-$3.69M	0.37%	55
2023 Q4	$8.56M	Buy	292,450 +17,080	+6%	+$454K	0.38%	52
2023 Q3	$6.75M	Buy	+275,370	New	+$5.64M	0.34%	54

Other funds holding CLS

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

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

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

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

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

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

WRCM

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

Castleark Management's CLS Position: Q1 2026 in Review

Castleark Management sold out of Celestica (CLS) in Q1 2026, closing a stake of 1,850 shares — an estimated $547K sold.

Castleark Management first reported a position in CLS in Q3 2023 and held it in 9 quarters. The position peaked at $9.38M in Q4 2024. 773 funds tracked by Wall St. Rank hold CLS as of Q1 2026.

Castleark Management reported no remaining Celestica position as of Q1 2026 after selling out during the quarter.
Castleark Management sold 1,850 Celestica shares in Q1 2026, an estimated $547K.
Castleark Management first reported a position in Celestica in Q3 2023 and held it in 9 quarters.
Castleark Management's Celestica position peaked at $9.38M in Q4 2024.
773 funds tracked by Wall St. Rank held Celestica as of Q1 2026.

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