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Samlyn Capital’s Boston Scientific BSX Stock Holding History

Samlyn Capital’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
-299,118
Closed -$28.5M – 81
2025
Q4 		$28.5M Sell
299,118
-187,742
-39% -$18.4M 0.45% 56
2025
Q3 		$47.5M Buy
+486,860
New +$50.4M 0.65% 45
2023
Q1 		– Sell
-864,977
Closed -$40M – 99
2022
Q4 		$40M Sell
864,977
-372,120
-30% -$16.1M 0.78% 43
2022
Q3 		$47.9M Buy
1,237,097
+550,314
+80% +$22.1M 0.89% 36
2022
Q2 		$25.6M Sell
686,783
-65,530
-9% -$2.67M 0.51% 50
2022
Q1 		$33.3M Buy
752,313
+348,947
+87% +$15.1M 0.48% 57
2021
Q4 		$17.1M Buy
403,366
+25,684
+7% +$1.08M 0.24% 79
2021
Q3 		$16.4M Sell
377,682
-172,062
-31% -$7.61M 0.22% 88
2021
Q2 		$23.5M Sell
549,744
-104,684
-16% -$4.4M 0.34% 66
2021
Q1 		$25.3M Buy
+654,428
New +$24.8M 0.35% 66
2018
Q4 		– Sell
-837,837
Closed -$32.3M – 114
2018
Q3 		$32.3M Buy
837,837
+523,577
+167% +$18.3M 0.73% 53
2018
Q2 		$10.3M Buy
+314,260
New +$9.48M 0.24% 99

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 $1.9T AUM 41.92% 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 $1.37T AUM 24.88% 1-Year Est. Return

Samlyn Capital's BSX Position: Q1 2026 in Review

Samlyn Capital sold out of Boston Scientific (BSX) in Q1 2026, closing a stake of 299,118 shares — an estimated $28.5M sold.

Samlyn Capital first reported a position in BSX in Q2 2018 and held it in 12 quarters. The position peaked at $47.9M in Q3 2022. 1,676 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Samlyn Capital reported no remaining Boston Scientific position as of Q1 2026 after selling out during the quarter.
  • Samlyn Capital sold 299,118 Boston Scientific shares in Q1 2026, an estimated $28.5M.
  • Samlyn Capital first reported a position in Boston Scientific in Q2 2018 and held it in 12 quarters.
  • Samlyn Capital's Boston Scientific position peaked at $47.9M in Q3 2022.
  • 1,676 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Samlyn Capital's 13F filing for Q1 2026, filed 15 May 2026.