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Costello Asset Management’s Boston Scientific BSX Stock Holding History

Costello 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
Q2 		$99.2K Sell
2,325
-51,693
-96% -$2.81M 0.03% 170
2026
Q1 		$3.39M Sell
54,018
-3,955
-7% -$316K 1.17% 21
2025
Q4 		$5.53M Buy
57,973
+16,230
+39% +$1.59M 1.83% 12
2025
Q3 		$4.08M Buy
41,743
+680
+2% +$70.4K 1.36% 18
2025
Q2 		$4.41M Sell
41,063
-20,288
-33% -$2.05M 1.66% 15
2025
Q1 		$6.19M Sell
61,351
-5,552
-8% -$559K 2.51% 10
2024
Q4 		$5.98M Sell
66,903
-4,380
-6% -$386K 3.95% 4
2024
Q3 		$5.97M Sell
71,283
-3,595
-5% -$283K 4% 6
2024
Q2 		$5.77M Sell
74,878
-15,046
-17% -$1.1M 4.3% 6
2024
Q1 		$6.16M Sell
89,924
-3,800
-4% -$244K 4.41% 6
2023
Q4 		$5.42M Sell
93,724
-3,006
-3% -$160K 4.49% 6
2023
Q3 		$5.11M Sell
96,730
-2,079
-2% -$109K 4.69% 6
2023
Q2 		$5.34M Sell
98,809
-1,725
-2% -$90.1K 4.58% 6
2023
Q1 		$5.03M Sell
100,534
-1,690
-2% -$79.6K 5.18% 5
2022
Q4 		$4.73M Buy
102,224
+18
+0% +$779 4.26% 5
2022
Q3 		$3.97M Buy
102,206
+1,757
+2% +$70.5K 3.74% 5
2022
Q2 		$3.74M Buy
100,449
+16,930
+20% +$689K 3.24% 9
2022
Q1 		$3.7M Sell
83,519
-4,335
-5% -$188K 2.54% 12
2021
Q4 		$3.73M Buy
87,854
+975
+1% +$41K 2.28% 14
2021
Q3 		$3.77M Buy
86,879
+960
+1% +$42.5K 2.41% 15
2021
Q2 		$3.67M Buy
85,919
+15,386
+22% +$647K 2.41% 15
2021
Q1 		$2.73M Sell
70,533
-6,048
-8% -$229K 1.88% 19
2020
Q4 		$2.75M Sell
76,581
-2,030
-3% -$73.2K 2.08% 19
2020
Q3 		$3M Buy
78,611
+11,316
+17% +$436K 2.64% 15
2020
Q2 		$2.36M Buy
+67,295
New +$2.42M 2.32% 18
2019
Q3 		$2.8M Buy
68,845
+675
+1% +$28.6K 3.34% 12
2019
Q2 		$2.93M Sell
68,170
-350
-0.5% -$13.5K 3.33% 10
2019
Q1 		$2.63M Sell
68,520
-2,525
-4% -$96.4K 3.15% 13
2018
Q4 		$2.51M Buy
+71,045
New +$2.58M 3.25% 11

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

Costello Asset Management's BSX Position: Q2 2026 in Review

Costello Asset Management reduced its Boston Scientific (BSX) stake by 96% in Q2 2026, selling an estimated $2.81M and leaving 2,325 shares worth $99.2K. The position accounts for 0.03% of the portfolio, ranked #170.

Costello Asset Management first reported a position in BSX in Q4 2018 and has held it in 29 quarters since. The position peaked at $6.19M in Q1 2025. 1,476 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Costello Asset Management held 2,325 shares of Boston Scientific worth $99.2K as of Q2 2026.
  • Costello Asset Management sold 51,693 Boston Scientific shares in Q2 2026, an estimated $2.81M.
  • Boston Scientific made up 0.03% of Costello Asset Management's portfolio in Q2 2026, its #170 holding.
  • Costello Asset Management first reported a position in Boston Scientific in Q4 2018 and has held it in 29 quarters since.
  • Costello Asset Management's Boston Scientific position peaked at $6.19M in Q1 2025.
  • 1,476 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Costello Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.