Magnetar Financial’s Celestica CLS Stock Holding History

Magnetar Financial’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	$1.26M	Buy	4,457 +2,784	+166%	+$808K	0.01%	426
2025 Q4	$495K	Sell	1,673 -21,829	-93%	-$6.58M	﹤0.01%	562
2025 Q3	$5.79M	Buy	23,502 +21,124	+888%	+$4.26M	0.04%	208
2025 Q2	$371K	Sell	2,378 -40,708	-94%	-$4.33M	﹤0.01%	638
2025 Q1	$3.4M	Buy	+43,086	New	+$4.57M	0.04%	217
2024 Q3	–	Sell	-6,268	Closed	-$359K	–	556
2024 Q2	$359K	Buy	+6,268	New	+$316K	0.01%	362
2018 Q4	–	Sell	-20,909	Closed	-$226K	–	325
2018 Q3	$226K	Buy	+20,909	New	+$251K	﹤0.01%	423
2017 Q4	–	Sell	-10,154	Closed	-$126K	–	726
2017 Q3	$126K	Sell	10,154 -3,252	-24%	-$40K	﹤0.01%	685
2017 Q2	$182K	Buy	+13,406	New	+$188K	﹤0.01%	711

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

Magnetar Financial's CLS Position: Q1 2026 in Review

Magnetar Financial increased its Celestica (CLS) stake by 166% in Q1 2026, buying an estimated $808K and bringing the position to 4,457 shares worth $1.26M. The position accounts for 0.01% of the portfolio, ranked #426.

Magnetar Financial first reported a position in CLS in Q2 2017 and has held it in 9 quarters since. The position peaked at $5.79M in Q3 2025. 773 funds tracked by Wall St. Rank hold CLS as of Q1 2026.

Magnetar Financial held 4,457 shares of Celestica worth $1.26M as of Q1 2026.
Magnetar Financial bought 2,784 Celestica shares in Q1 2026, an estimated $808K.
Celestica made up 0.01% of Magnetar Financial's portfolio in Q1 2026, its #426 holding.
Magnetar Financial first reported a position in Celestica in Q2 2017 and has held it in 9 quarters since.
Magnetar Financial's Celestica position peaked at $5.79M in Q3 2025.
773 funds tracked by Wall St. Rank held Celestica as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.