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NS Partners’s Boston Scientific BSX Stock Holding History

NS Partners’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
Q2 		$12.4M Sell
289,367
-69,213
-19% -$3.76M 0.53% 48
2026
Q1 		$22.5M Sell
358,580
-676
-0.2% -$54.1K 1.01% 37
2025
Q4 		$34.3M Buy
359,256
+890
+0.2% +$87.3K 1.34% 22
2025
Q3 		$35M Sell
358,366
-285
-0.1% -$29.5K 1.35% 19
2025
Q2 		$38.5M Sell
358,651
-9,538
-3% -$965K 1.57% 18
2025
Q1 		$37.1M Buy
368,189
+5,704
+2% +$574K 1.63% 19
2024
Q4 		$32.4M Sell
362,485
-6,046
-2% -$532K 1.34% 24
2024
Q3 		$30.9M Buy
368,531
+8,980
+2% +$708K 1.3% 26
2024
Q2 		$27.7M Buy
359,551
+1,669
+0.5% +$122K 1.26% 27
2024
Q1 		$24.5M Buy
357,882
+2,005
+0.6% +$129K 1.13% 32
2023
Q4 		$20.6M Buy
355,877
+1,699
+0.5% +$90.7K 1% 40
2023
Q3 		$18.7M Sell
354,178
-3,804
-1% -$200K 1.01% 40
2023
Q2 		$19.4M Sell
357,982
-2,644
-0.7% -$138K 1.02% 43
2023
Q1 		$18M Buy
360,626
+266
+0.1% +$12.5K 1.01% 47
2022
Q4 		$16.7M Buy
360,360
+1,489
+0.4% +$64.5K 1.01% 48
2022
Q3 		$13.9M Buy
358,871
+14,161
+4% +$568K 0.9% 49
2022
Q2 		$12.8M Buy
344,710
+3,483
+1% +$142K 0.78% 51
2022
Q1 		$15.1M Sell
341,227
-11,208
-3% -$486K 0.81% 48
2021
Q4 		$15M Buy
352,435
+202
+0.1% +$8.49K 0.7% 51
2021
Q3 		$15.3M Buy
352,233
+807
+0.2% +$35.7K 0.78% 53
2021
Q2 		$15M Sell
351,426
-21,709
-6% -$913K 0.79% 49
2021
Q1 		$14.4M Sell
373,135
-355
-0.1% -$13.4K 0.84% 48
2020
Q4 		$13.4M Buy
373,490
+8,893
+2% +$321K 0.78% 51
2020
Q3 		$13.9M Buy
364,597
+18,364
+5% +$708K 0.92% 45
2020
Q2 		$12.2M Buy
346,233
+1,142
+0.3% +$41.1K 0.9% 47
2020
Q1 		$11.3M Buy
+345,091
New +$13.5M 1.05% 39

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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 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
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

NS Partners's BSX Position: Q2 2026 in Review

NS Partners reduced its Boston Scientific (BSX) stake by 19% in Q2 2026, selling an estimated $3.76M and leaving 289,367 shares worth $12.4M. The position accounts for 0.53% of the portfolio, ranked #48.

NS Partners first reported a position in BSX in Q1 2020 and has held it in 26 quarters since. The position peaked at $38.5M in Q2 2025. 1,474 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • NS Partners held 289,367 shares of Boston Scientific worth $12.4M as of Q2 2026.
  • NS Partners sold 69,213 Boston Scientific shares in Q2 2026, an estimated $3.76M.
  • Boston Scientific made up 0.53% of NS Partners's portfolio in Q2 2026, its #48 holding.
  • NS Partners first reported a position in Boston Scientific in Q1 2020 and has held it in 26 quarters since.
  • NS Partners's Boston Scientific position peaked at $38.5M in Q2 2025.
  • 1,474 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on NS Partners's 13F filing for Q2 2026, filed 13 Aug 2026.