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
Q1 		$2.55M Buy
35,000
+1,900
+6% +$153K ﹤0.01% 4643
2025
Q4 		$2.46M Buy
33,100
+21,000
+174% +$1.42M ﹤0.01% 4425
2025
Q3 		$765K Sell
12,100
-4,200
-26% -$261K ﹤0.01% 6892
2025
Q2 		$900K Buy
+16,300
New +$824K ﹤0.01% 5814
2024
Q4 		– Sell
-6,300
Closed -$528K – 9378
2024
Q3 		$528K Sell
6,300
-1,500
-19% -$116K ﹤0.01% 7097
2024
Q2 		$568K Buy
+7,800
New +$637K ﹤0.01% 6818
2024
Q1 		– Sell
-6,800
Closed -$658K – 9170
2023
Q4 		$658K Sell
6,800
-4,400
-39% -$350K ﹤0.01% 6296
2023
Q3 		$885K Buy
11,200
+4,700
+72% +$387K ﹤0.01% 5369
2023
Q2 		$563K Buy
6,500
+1,400
+27% +$114K ﹤0.01% 6130
2023
Q1 		$418K Sell
5,100
-34,700
-87% -$2.87M ﹤0.01% 6627
2022
Q4 		$2.87M Sell
39,800
-2,300
-5% -$164K ﹤0.01% 3291
2022
Q3 		$2.75M Buy
42,100
+17,800
+73% +$1.34M ﹤0.01% 3605
2022
Q2 		$1.59M Sell
24,300
-28,500
-54% -$2.1M ﹤0.01% 4597
2022
Q1 		$4.27M Sell
52,800
-14,900
-22% -$1.37M ﹤0.01% 3305
2021
Q4 		$6.82M Buy
67,700
+17,800
+36% +$1.74M ﹤0.01% 2391
2021
Q3 		$4.75M Buy
49,900
+17,800
+55% +$1.77M ﹤0.01% 2821
2021
Q2 		$3.2M Buy
32,100
+26,900
+517% +$2.74M ﹤0.01% 3458
2021
Q1 		$496K Buy
5,200
+900
+21% +$82.5K ﹤0.01% 6816
2020
Q4 		$328K Buy
4,300
+500
+13% +$35.3K ﹤0.01% 6282
2020
Q3 		$224K Sell
3,800
-200
-5% -$12.8K ﹤0.01% 6285
2020
Q2 		$256K Buy
+4,000
New +$199K ﹤0.01% 6064
2016
Q2 		– Sell
-25,000
Closed -$1.2M – 4049
2016
Q1 		$1.2M Buy
+25,000
New +$1.08M 0.01% 1685

Other funds holding BC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Jane Street's BC Position: Q1 2026 in Review

Jane Street increased its Brunswick (BC) stake by 1,958% in Q1 2026, buying an estimated $14.2M and bringing the position to 184,458 shares worth $13.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2182.

Jane Street first reported a position in BC in Q2 2013 and has held it in 35 quarters since. 461 funds tracked by Wall St. Rank hold BC as of Q1 2026.

  • Jane Street held 184,458 shares of Brunswick worth $13.4M as of Q1 2026.
  • Jane Street bought 175,495 Brunswick shares in Q1 2026, an estimated $14.2M.
  • Brunswick made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2182 holding.
  • Jane Street first reported a position in Brunswick in Q2 2013 and has held it in 35 quarters since.
  • 461 funds tracked by Wall St. Rank held Brunswick as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.