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Aigen Investment Management’s Boston Scientific BSX Stock Holding History

Aigen 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 		$1.12M Sell
26,161
-1,139
-4% -$61.8K 0.31% 88
2026
Q1 		$1.71M Buy
27,300
+21,369
+360% +$1.71M 0.44% 65
2025
Q4 		$566K Sell
5,931
-62,679
-91% -$6.15M 0.13% 223
2025
Q3 		$6.7M Buy
68,610
+289
+0.4% +$29.9K 1.04% 3
2025
Q2 		$7.34M Buy
68,321
+3,509
+5% +$355K 1.01% 2
2025
Q1 		$6.54M Buy
+64,812
New +$6.53M 1.04% 2
2024
Q4 		– Sell
-6,761
Closed -$567K – 748
2024
Q3 		$567K Buy
+6,761
New +$533K 0.11% 285
2024
Q2 		– Sell
-32,563
Closed -$2.23M – 790
2024
Q1 		$2.23M Buy
+32,563
New +$2.09M 0.49% 36
2023
Q3 		– Sell
-20,665
Closed -$1.12M – 841
2023
Q2 		$1.12M Buy
+20,665
New +$1.08M 0.17% 173
2022
Q1 		– Sell
-32,038
Closed -$1.26M – 597
2021
Q4 		$1.26M Buy
+32,038
New +$1.35M 0.08% 344
2021
Q1 		– Sell
-22,977
Closed -$826K – 640
2020
Q4 		$826K Buy
22,977
+15,919
+226% +$574K 0.11% 249
2020
Q3 		$270K Buy
+7,058
New +$272K 0.03% 571
2020
Q2 		– Sell
-148,603
Closed -$4.85M – 860
2020
Q1 		$4.85M Buy
+148,603
New +$5.81M 0.64% 12

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

Aigen Investment Management's BSX Position: Q2 2026 in Review

Aigen Investment Management reduced its Boston Scientific (BSX) stake by 4.2% in Q2 2026, selling an estimated $61.8K and leaving 26,161 shares worth $1.12M. The position accounts for 0.31% of the portfolio, ranked #88.

Aigen Investment Management first reported a position in BSX in Q1 2020 and has held it in 13 quarters since. The position peaked at $7.34M in Q2 2025. 1,470 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Aigen Investment Management held 26,161 shares of Boston Scientific worth $1.12M as of Q2 2026.
  • Aigen Investment Management sold 1,139 Boston Scientific shares in Q2 2026, an estimated $61.8K.
  • Boston Scientific made up 0.31% of Aigen Investment Management's portfolio in Q2 2026, its #88 holding.
  • Aigen Investment Management first reported a position in Boston Scientific in Q1 2020 and has held it in 13 quarters since.
  • Aigen Investment Management's Boston Scientific position peaked at $7.34M in Q2 2025.
  • 1,470 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.