Magnetar Financial’s Cooper Companies COO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$690K Buy
+9,961
New +$788K 0.01% 559
2025
Q2
Sell
-40,669
Closed -$3.43M 938
2025
Q1
$3.43M Sell
40,669
-668,063
-94% -$59.9M 0.05% 215
2024
Q4
$65.2M Buy
708,732
+117,720
+20% +$12M 1.5% 15
2024
Q3
$65.2M Sell
591,012
-140,048
-19% -$13.6M 1.41% 19
2024
Q2
$63.8M Buy
+731,060
New +$68.2M 1.33% 25
2023
Q4
Sell
-37,676
Closed -$3M 405
2023
Q3
$3M Buy
+37,676
New +$3.47M 0.08% 152
2023
Q2
Sell
-494,688
Closed -$46.2M 511
2023
Q1
$46.2M Sell
494,688
-232,004
-32% -$19.9M 0.9% 38
2022
Q4
$60.1M Buy
726,692
+138,676
+24% +$10.2M 1.02% 20
2022
Q3
$38.8M Buy
588,016
+292,672
+99% +$22.4M 0.54% 37
2022
Q2
$23.1K Buy
295,344
+213,132
+259% +$18.9M 0.24% 66
2022
Q1
$8.58M Buy
82,212
+41,360
+101% +$4.16M 0.09% 225
2021
Q4
$4.28M Buy
+40,852
New +$4.16M 0.04% 433
2020
Q3
Sell
-5,100
Closed -$362K 660
2020
Q2
$362K Buy
+5,100
New +$378K 0.01% 309
2020
Q1
Sell
-4,240
Closed -$341K 502
2019
Q4
$341K Sell
4,240
-14,016
-77% -$1.06M 0.01% 414
2019
Q3
$1.36M Buy
+18,256
New +$1.47M 0.03% 183
2019
Q2
Sell
-4,040
Closed -$299K 467
2019
Q1
$299K Buy
+4,040
New +$282K 0.01% 321
2018
Q2
Sell
-19,492
Closed -$1.11M 531
2018
Q1
$1.11M Sell
19,492
-7,320
-27% -$427K 0.02% 190
2017
Q4
$1.46M Buy
26,812
+2,068
+8% +$121K 0.03% 156
2017
Q3
$1.47M Sell
24,744
-29,400
-54% -$1.8M 0.03% 188
2017
Q2
$3.24M Buy
54,144
+36,636
+209% +$1.99M 0.05% 161
2017
Q1
$875K Buy
+17,508
New +$832K 0.01% 330
2016
Q4
Sell
-54,184
Closed -$2.43M 97
2016
Q3
$2.43M Buy
+54,184
New +$2.47M 0.03% 160
2015
Q3
Sell
-5,720
Closed -$254K 421
2015
Q2
$254K Buy
+5,720
New +$258K ﹤0.01% 388

Other funds holding COO

Magnetar Financial's COO Position: Q1 2026 in Review

Magnetar Financial opened a new position in Cooper Companies (COO) in Q1 2026: 9,961 shares worth $690K. The stake represents 0.01% of the portfolio and ranks #559 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in COO as recently as Q1 2025.

Magnetar Financial first reported a position in COO in Q2 2015 and has held it in 23 quarters since. The position peaked at $65.2M in Q3 2024. 675 funds tracked by Wall St. Rank hold COO as of Q1 2026.

  • Magnetar Financial held 9,961 shares of Cooper Companies worth $690K as of Q1 2026.
  • Cooper Companies was a new Magnetar Financial position in Q1 2026.
  • Cooper Companies made up 0.01% of Magnetar Financial's portfolio in Q1 2026, its #559 holding.
  • Magnetar Financial first reported a position in Cooper Companies in Q2 2015 and has held it in 23 quarters since.
  • Magnetar Financial's Cooper Companies position peaked at $65.2M in Q3 2024.
  • 675 funds tracked by Wall St. Rank held Cooper Companies as of Q1 2026.

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