Loomis, Sayles & Company
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Loomis, Sayles & Company’s Boston Scientific BSX Stock Holding History

Loomis, Sayles & Company’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 		$12.2K Sell
194
-434
-69% -$34.7K ﹤0.01% 700
2025
Q4 		$59.9K Sell
628
-23
-4% -$2.25K ﹤0.01% 601
2025
Q3 		$63.6K Buy
651
+11
+2% +$1.14K ﹤0.01% 598
2025
Q2 		$68.7K Buy
640
+76
+13% +$7.69K ﹤0.01% 591
2025
Q1 		$57K Sell
564
-305
-35% -$30.7K ﹤0.01% 611
2024
Q4 		$78K Sell
869
-90
-9% -$7.92K ﹤0.01% 589
2024
Q3 		$80K Buy
959
+17
+2% +$1.34K ﹤0.01% 576
2024
Q2 		$73K Buy
942
+19
+2% +$1.39K ﹤0.01% 585
2024
Q1 		$63K Sell
923
-20
-2% -$1.29K ﹤0.01% 594
2023
Q4 		$55K Buy
943
+59
+7% +$3.15K ﹤0.01% 597
2023
Q3 		$47K Buy
884
+99
+13% +$5.19K ﹤0.01% 613
2023
Q2 		$42K Hold
785
– – ﹤0.01% 639
2023
Q1 		$39K Buy
+785
New +$37K ﹤0.01% 654
2022
Q3 		– Sell
-527
Closed -$20K – 958
2022
Q2 		$20K Buy
527
+211
+67% +$8.59K ﹤0.01% 599
2022
Q1 		$14K Sell
316
-162
-34% -$7.02K ﹤0.01% 662
2021
Q4 		$20K Sell
478
-60
-11% -$2.52K ﹤0.01% 684
2021
Q3 		$23K Buy
538
+2
+0.4% +$88 ﹤0.01% 670
2021
Q2 		$23K Buy
536
+24
+5% +$1.01K ﹤0.01% 655
2021
Q1 		$20K Sell
512
-177
-26% -$6.7K ﹤0.01% 656
2020
Q4 		$25K Sell
689
-57
-8% -$2.05K ﹤0.01% 606
2020
Q3 		$29K Buy
+746
New +$28.7K ﹤0.01% 583
2013
Q4 		– Sell
-1,456,735
Closed -$17.1M – 759
2013
Q3 		$17.1M Buy
+1,456,735
New +$15.8M 0.06% 384

Other funds holding BSX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Loomis, Sayles & Company's BSX Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its Boston Scientific (BSX) stake by 69% in Q1 2026, selling an estimated $34.7K and leaving 194 shares worth $12.2K. The position accounts for ﹤0.01% of the portfolio, ranked #700.

Loomis, Sayles & Company first reported a position in BSX in Q3 2013 and has held it in 22 quarters since. The position peaked at $17.1M in Q3 2013. 1,666 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Loomis, Sayles & Company held 194 shares of Boston Scientific worth $12.2K as of Q1 2026.
  • Loomis, Sayles & Company sold 434 Boston Scientific shares in Q1 2026, an estimated $34.7K.
  • Boston Scientific made up ﹤0.01% of Loomis, Sayles & Company's portfolio in Q1 2026, its #700 holding.
  • Loomis, Sayles & Company first reported a position in Boston Scientific in Q3 2013 and has held it in 22 quarters since.
  • Loomis, Sayles & Company's Boston Scientific position peaked at $17.1M in Q3 2013.
  • 1,666 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.