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Martingale Asset Management’s Boston Scientific BSX Stock Holding History

Martingale Asset Management’s Portfolio BSX Stock Details BSX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-14,574
Closed -$1.39M – 803
2025
Q4 		$1.39M Sell
14,574
-695
-5% -$68.1K 0.04% 399
2025
Q3 		$1.49M Sell
15,269
-3,396
-18% -$352K 0.04% 397
2025
Q2 		$2M Sell
18,665
-1,582
-8% -$160K 0.05% 305
2025
Q1 		$2.04M Buy
20,247
+15,235
+304% +$1.53M 0.05% 291
2024
Q4 		$448K Sell
5,012
-44
-0.9% -$3.87K 0.01% 625
2024
Q3 		$424K Sell
5,056
-568
-10% -$44.8K 0.01% 664
2024
Q2 		$433K Sell
5,624
-7,390
-57% -$541K 0.01% 629
2024
Q1 		$891K Hold
13,014
– – 0.02% 496
2023
Q4 		$752K Sell
13,014
-168
-1% -$8.97K 0.02% 514
2023
Q3 		$696K Buy
+13,182
New +$691K 0.01% 536
2019
Q1 		– Sell
-15,263
Closed -$540K – 1007
2018
Q4 		$540K Sell
15,263
-40
-0.3% -$1.45K 0.01% 847
2018
Q3 		$590K Sell
15,303
-130,602
-90% -$4.56M 0.01% 821
2018
Q2 		$4.77M Buy
+145,905
New +$4.4M 0.06% 326
2015
Q1 		– Sell
-84,949
Closed -$1.13M – 865
2014
Q4 		$1.13M Buy
+84,949
New +$1.09M 0.03% 482

Other funds holding BSX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Martingale Asset Management's BSX Position: Q1 2026 in Review

Martingale Asset Management sold out of Boston Scientific (BSX) in Q1 2026, closing a stake of 14,574 shares — an estimated $1.39M sold.

Martingale Asset Management first reported a position in BSX in Q4 2014 and held it in 14 quarters. The position peaked at $4.77M in Q2 2018. 1,676 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Martingale Asset Management reported no remaining Boston Scientific position as of Q1 2026 after selling out during the quarter.
  • Martingale Asset Management sold 14,574 Boston Scientific shares in Q1 2026, an estimated $1.39M.
  • Martingale Asset Management first reported a position in Boston Scientific in Q4 2014 and held it in 14 quarters.
  • Martingale Asset Management's Boston Scientific position peaked at $4.77M in Q2 2018.
  • 1,676 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Martingale Asset Management's 13F filing for Q1 2026, filed 13 May 2026.