Jane Street
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Jane Street’s Brunswick BC Stock Holding History

Jane Street’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
12,800
+7,400
+137% +$593K ﹤0.01% 6384
2026
Q1 		$393K Sell
5,400
-36,100
-87% -$2.91M ﹤0.01% 8593
2025
Q4 		$3.08M Buy
41,500
+28,600
+222% +$1.94M ﹤0.01% 3995
2025
Q3 		$816K Buy
+12,900
New +$800K ﹤0.01% 6767
2025
Q2 		– Sell
-4,800
Closed -$258K – 9619
2025
Q1 		$258K Sell
4,800
-4,100
-46% -$257K ﹤0.01% 8054
2024
Q4 		$576K Sell
8,900
-4,100
-32% -$321K ﹤0.01% 6495
2024
Q3 		$1.09M Buy
+13,000
New +$1.01M ﹤0.01% 5711
2024
Q2 		– Sell
-78,100
Closed -$7.54M – 9352
2024
Q1 		$7.54M Buy
78,100
+39,600
+103% +$3.48M ﹤0.01% 2104
2023
Q4 		$3.72M Buy
38,500
+29,800
+343% +$2.37M ﹤0.01% 3296
2023
Q3 		$687K Sell
8,700
-1,800
-17% -$148K ﹤0.01% 5761
2023
Q2 		$910K Buy
10,500
+300
+3% +$24.5K ﹤0.01% 5349
2023
Q1 		$836K Sell
10,200
-2,800
-22% -$232K ﹤0.01% 5352
2022
Q4 		$937K Sell
13,000
-12,200
-48% -$868K ﹤0.01% 5083
2022
Q3 		$1.65M Buy
25,200
+2,400
+11% +$180K ﹤0.01% 4534
2022
Q2 		$1.49M Buy
22,800
+3,200
+16% +$235K ﹤0.01% 4713
2022
Q1 		$1.58M Sell
19,600
-9,300
-32% -$858K ﹤0.01% 5195
2021
Q4 		$2.91M Buy
28,900
+9,400
+48% +$920K ﹤0.01% 3747
2021
Q3 		$1.86M Sell
19,500
-12,400
-39% -$1.23M ﹤0.01% 4619
2021
Q2 		$3.18M Buy
31,900
+3,600
+13% +$367K ﹤0.01% 3469
2021
Q1 		$2.7M Buy
28,300
+18,900
+201% +$1.73M ﹤0.01% 3461
2020
Q4 		$717K Sell
9,400
-10,600
-53% -$748K ﹤0.01% 5185
2020
Q3 		$1.18M Buy
20,000
+11,500
+135% +$734K ﹤0.01% 3825
2020
Q2 		$544K Buy
+8,500
New +$424K ﹤0.01% 4955

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

Jane Street's BC Position: Q2 2026 in Review

Jane Street increased its Brunswick (BC) stake by 19% in Q2 2026, buying an estimated $2.84M and bringing the position to 219,860 shares worth $18.5M. The position accounts for ﹤0.01% of the portfolio, ranked #2222.

Jane Street first reported a position in BC in Q2 2013 and has held it in 36 quarters since. 471 funds tracked by Wall St. Rank hold BC as of Q2 2026.

  • Jane Street held 219,860 shares of Brunswick worth $18.5M as of Q2 2026.
  • Jane Street bought 35,402 Brunswick shares in Q2 2026, an estimated $2.84M.
  • Brunswick made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #2222 holding.
  • Jane Street first reported a position in Brunswick in Q2 2013 and has held it in 36 quarters since.
  • 471 funds tracked by Wall St. Rank held Brunswick as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.