Group One Trading
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Group One Trading’s Celestica CLS Stock Holding History

Group One Trading’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 		$11.7M Sell
41,400
-35,400
-46% -$10.3M 0.02% 744
2025
Q4 		$22.7M Buy
76,800
+30,700
+67% +$9.25M 0.04% 472
2025
Q3 		$11.4M Sell
46,100
-14,600
-24% -$2.94M 0.02% 829
2025
Q2 		$9.48M Sell
60,700
-126,100
-68% -$13.4M 0.02% 841
2025
Q1 		$14.7M Buy
186,800
+86,000
+85% +$9.12M 0.04% 433
2024
Q4 		$9.3M Sell
100,800
-46,200
-31% -$3.61M 0.02% 745
2024
Q3 		$7.51M Buy
147,000
+60,000
+69% +$3.1M 0.02% 754
2024
Q2 		$4.99M Sell
87,000
-41,000
-32% -$2.07M 0.02% 805
2024
Q1 		$5.75M Sell
128,000
-94,400
-42% -$3.58M 0.02% 749
2023
Q4 		$6.51M Buy
222,400
+155,700
+233% +$4.14M 0.02% 942
2023
Q3 		$1.64M Buy
66,700
+54,700
+456% +$1.12M 0.01% 1817
2023
Q2 		$174K Buy
12,000
+7,900
+193% +$97.7K ﹤0.01% 4086
2023
Q1 		$52.9K Buy
+4,100
New +$52.4K ﹤0.01% 4802
2022
Q2 		– Sell
-1,200
Closed -$14K – 7894
2022
Q1 		$14K Sell
1,200
-12,400
-91% -$146K ﹤0.01% 6989
2021
Q4 		$151K Sell
13,600
-4,800
-26% -$49.8K ﹤0.01% 5369
2021
Q3 		$163K Buy
18,400
+11,500
+167% +$98.5K ﹤0.01% 5374
2021
Q2 		$54K Buy
6,900
+6,400
+1,280% +$53.4K ﹤0.01% 6505
2021
Q1 		$4K Hold
500
– – ﹤0.01% 7279
2020
Q4 		$4K Sell
500
-1,400
-74% -$10.2K ﹤0.01% 6082
2020
Q3 		$13K Sell
1,900
-5,300
-74% -$39.9K ﹤0.01% 5312
2020
Q2 		$49K Buy
+7,200
New +$41.2K ﹤0.01% 4370
2018
Q4 		– Sell
-400
Closed -$4K – 4922
2018
Q3 		$4K Sell
400
-2,200
-85% -$26.4K ﹤0.01% 4898
2018
Q2 		$31K Buy
+2,600
New +$29.8K ﹤0.01% 4195
2015
Q3 		– Sell
-200
Closed -$2K – 4890
2015
Q2 		$2K Sell
200
-1,200
-86% -$14.6K ﹤0.01% 4657
2015
Q1 		$16K Buy
+1,400
New +$16.2K ﹤0.01% 3982
2014
Q4 		– Sell
-100
Closed -$1K – 4927
2014
Q3 		$1K Sell
100
-3,400
-97% -$37.7K ﹤0.01% 4999
2014
Q2 		$44K Buy
+3,500
New +$40.3K ﹤0.01% 3638

Other funds holding CLS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
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
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
CIBC World Market
CIBC World Market Toronto, Ontario, Canada $61.3B AUM 39.33% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return
Viking Global Investors
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

Group One Trading's CLS Position: Q1 2026 in Review

Group One Trading increased its Celestica (CLS) stake by 10% in Q1 2026, buying an estimated $856K and bringing the position to 31,337 shares worth $8.83M. The position accounts for 0.02% of the portfolio, ranked #919.

Group One Trading first reported a position in CLS in Q3 2013 and has held it in 29 quarters since. The position peaked at $10.6M in Q3 2025. 773 funds tracked by Wall St. Rank hold CLS as of Q1 2026.

  • Group One Trading held 31,337 shares of Celestica worth $8.83M as of Q1 2026.
  • Group One Trading bought 2,951 Celestica shares in Q1 2026, an estimated $856K.
  • Celestica made up 0.02% of Group One Trading's portfolio in Q1 2026, its #919 holding.
  • Group One Trading first reported a position in Celestica in Q3 2013 and has held it in 29 quarters since.
  • Group One Trading's Celestica position peaked at $10.6M in Q3 2025.
  • 773 funds tracked by Wall St. Rank held Celestica as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.