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GW&K Investment Management’s Boston Scientific BSX Stock Holding History

GW&K Investment 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
Q2 		$111K Buy
2,609
+285
+12% +$15.5K ﹤0.01% 462
2026
Q1 		$146K Buy
2,324
+129
+6% +$10.3K ﹤0.01% 416
2025
Q4 		$209K Buy
2,195
+40
+2% +$3.92K ﹤0.01% 395
2025
Q3 		$210K Buy
2,155
+72
+3% +$7.46K ﹤0.01% 390
2025
Q2 		$224K Buy
2,083
+41
+2% +$4.15K ﹤0.01% 371
2025
Q1 		$206K Buy
2,042
+15
+0.7% +$1.51K ﹤0.01% 375
2024
Q4 		$181K Buy
2,027
+6
+0.3% +$528 ﹤0.01% 375
2024
Q3 		$169K Buy
2,021
+233
+13% +$18.4K ﹤0.01% 368
2024
Q2 		$138K Buy
1,788
+159
+10% +$11.6K ﹤0.01% 371
2024
Q1 		$112K Buy
1,629
+811
+99% +$52.1K ﹤0.01% 369
2023
Q4 		$47K Buy
818
+2
+0.2% +$107 ﹤0.01% 413
2023
Q3 		$43K Buy
816
+343
+73% +$18K ﹤0.01% 405
2023
Q2 		$26K Buy
+473
New +$24.7K ﹤0.01% 444
2022
Q3 		– Sell
-88
Closed -$3K – 456
2022
Q2 		$3K Sell
88
-24
-21% -$977 ﹤0.01% 672
2022
Q1 		$5K Buy
+112
New +$4.85K ﹤0.01% 533

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 $3.38T AUM 44.17% 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

GW&K Investment Management's BSX Position: Q2 2026 in Review

GW&K Investment Management increased its Boston Scientific (BSX) stake by 12% in Q2 2026, buying an estimated $15.5K and bringing the position to 2,609 shares worth $111K. The position accounts for ﹤0.01% of the portfolio, ranked #462.

GW&K Investment Management first reported a position in BSX in Q1 2022 and has held it in 15 quarters since. The position peaked at $224K in Q2 2025. 1,485 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • GW&K Investment Management held 2,609 shares of Boston Scientific worth $111K as of Q2 2026.
  • GW&K Investment Management bought 285 Boston Scientific shares in Q2 2026, an estimated $15.5K.
  • Boston Scientific made up ﹤0.01% of GW&K Investment Management's portfolio in Q2 2026, its #462 holding.
  • GW&K Investment Management first reported a position in Boston Scientific in Q1 2022 and has held it in 15 quarters since.
  • GW&K Investment Management's Boston Scientific position peaked at $224K in Q2 2025.
  • 1,485 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on GW&K Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.