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O'Shaughnessy Asset Management’s Boston Scientific BSX Stock Holding History

O'Shaughnessy 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 		$7.43M Sell
174,136
-91,295
-34% -$4.96M 0.03% 452
2026
Q1 		$16.7M Sell
265,431
-11,558
-4% -$925K 0.08% 260
2025
Q4 		$26.4M Sell
276,989
-13,096
-5% -$1.28M 0.15% 147
2025
Q3 		$28.3M Buy
290,085
+8,312
+3% +$861K 0.17% 126
2025
Q2 		$30.3M Buy
281,773
+19,276
+7% +$1.95M 0.21% 98
2025
Q1 		$26.5M Buy
262,497
+22,757
+9% +$2.29M 0.21% 103
2024
Q4 		$21.4M Buy
239,740
+23,605
+11% +$2.08M 0.18% 120
2024
Q3 		$18.9M Buy
216,135
+16,701
+8% +$1.32M 0.17% 136
2024
Q2 		$15.4M Buy
199,434
+29,769
+18% +$2.18M 0.16% 136
2024
Q1 		$11.6M Buy
169,665
+11,021
+7% +$709K 0.13% 181
2023
Q4 		$9.17M Buy
158,644
+21,468
+16% +$1.15M 0.12% 188
2023
Q3 		$7.24M Buy
137,176
+10,058
+8% +$528K 0.11% 218
2023
Q2 		$6.88M Buy
127,118
+24,838
+24% +$1.3M 0.1% 217
2023
Q1 		$5.12M Buy
102,280
+54,117
+112% +$2.55M 0.08% 272
2022
Q4 		$2.23M Buy
48,163
+7,464
+18% +$323K 0.04% 411
2022
Q3 		$1.58M Buy
40,699
+17,392
+75% +$698K 0.03% 453
2022
Q2 		$869K Sell
23,307
-7,345
-24% -$299K 0.02% 556
2022
Q1 		$1.36M Buy
30,652
+12,983
+73% +$563K 0.02% 467
2021
Q4 		$751K Sell
17,669
-2,988
-14% -$126K 0.01% 583
2021
Q3 		$896K Buy
20,657
+6,258
+43% +$277K 0.02% 495
2021
Q2 		$616K Buy
14,399
+1,909
+15% +$80.3K 0.01% 594
2021
Q1 		$483K Buy
12,490
+901
+8% +$34.1K 0.01% 621
2020
Q4 		$417K Sell
11,589
-2,091
-15% -$75.4K 0.01% 573
2020
Q3 		$523K Buy
13,680
+2,952
+28% +$114K 0.02% 435
2020
Q2 		$377K Buy
10,728
+9,954
+1,286% +$358K 0.01% 472
2020
Q1 		$25K Sell
774
-1,730
-69% -$67.6K ﹤0.01% 898
2019
Q4 		$113K Buy
2,504
+2,500
+62,500% +$105K ﹤0.01% 757
2019
Q3 		$0 Hold
4
– – ﹤0.01% 994
2019
Q2 		$0 Buy
+4
New +$154 ﹤0.01% 988

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

O'Shaughnessy Asset Management's BSX Position: Q2 2026 in Review

O'Shaughnessy Asset Management reduced its Boston Scientific (BSX) stake by 34% in Q2 2026, selling an estimated $4.96M and leaving 174,136 shares worth $7.43M. The position accounts for 0.03% of the portfolio, ranked #452.

O'Shaughnessy Asset Management first reported a position in BSX in Q2 2019 and has held it in 29 quarters since. The position peaked at $30.3M in Q2 2025. 1,468 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • O'Shaughnessy Asset Management held 174,136 shares of Boston Scientific worth $7.43M as of Q2 2026.
  • O'Shaughnessy Asset Management sold 91,295 Boston Scientific shares in Q2 2026, an estimated $4.96M.
  • Boston Scientific made up 0.03% of O'Shaughnessy Asset Management's portfolio in Q2 2026, its #452 holding.
  • O'Shaughnessy Asset Management first reported a position in Boston Scientific in Q2 2019 and has held it in 29 quarters since.
  • O'Shaughnessy Asset Management's Boston Scientific position peaked at $30.3M in Q2 2025.
  • 1,468 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.