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Magnetar Financial’s Brunswick BC Stock Holding History

Magnetar Financial’s Portfolio BC Stock Details BC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.08M Buy
+12,781
New +$1.02M 0.01% 428
2025
Q4 		– Sell
-8,117
Closed -$513K – 943
2025
Q3 		$513K Buy
+8,117
New +$504K ﹤0.01% 584
2025
Q2 		– Sell
-5,251
Closed -$283K – 906
2025
Q1 		$283K Sell
5,251
-55,092
-91% -$3.45M ﹤0.01% 583
2024
Q4 		$3.9M Buy
+60,343
New +$4.73M 0.09% 163
2024
Q3 		– Sell
-12,842
Closed -$935K – 535
2024
Q2 		$935K Buy
+12,842
New +$1.05M 0.02% 277
2023
Q1 		– Sell
-9,937
Closed -$716K – 610
2022
Q4 		$716K Sell
9,937
-6,568
-40% -$467K 0.01% 561
2022
Q3 		$1.08M Buy
+16,505
New +$1.24M 0.02% 701
2021
Q2 		– Sell
-2,424
Closed -$231K – 1207
2021
Q1 		$231K Buy
+2,424
New +$222K ﹤0.01% 959
2020
Q2 		– Sell
-8,181
Closed -$289K – 444
2020
Q1 		$289K Sell
8,181
-3,472
-30% -$184K 0.01% 349
2019
Q4 		$699K Sell
11,653
-21,971
-65% -$1.27M 0.01% 254
2019
Q3 		$1.75M Buy
33,624
+17,976
+115% +$858K 0.04% 163
2019
Q2 		$718K Buy
+15,648
New +$756K 0.01% 248
2018
Q4 		– Sell
-4,433
Closed -$297K – 300
2018
Q3 		$297K Buy
+4,433
New +$293K 0.01% 334

Other funds holding BC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75.4B AUM 14.46% 1-Year Est. Return

Magnetar Financial's BC Position: Q2 2026 in Review

Magnetar Financial opened a new position in Brunswick (BC) in Q2 2026: 12,781 shares worth $1.08M. The stake represents 0.01% of the portfolio and ranks #428 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in BC as recently as Q3 2025.

Magnetar Financial first reported a position in BC in Q3 2018 and has held it in 13 quarters since. The position peaked at $3.9M in Q4 2024. 471 funds tracked by Wall St. Rank hold BC as of Q2 2026.

  • Magnetar Financial held 12,781 shares of Brunswick worth $1.08M as of Q2 2026.
  • Brunswick was a new Magnetar Financial position in Q2 2026.
  • Brunswick made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #428 holding.
  • Magnetar Financial first reported a position in Brunswick in Q3 2018 and has held it in 13 quarters since.
  • Magnetar Financial's Brunswick position peaked at $3.9M in Q4 2024.
  • 471 funds tracked by Wall St. Rank held Brunswick as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.