Twin Tree Management
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Twin Tree Management’s Boston Scientific BSX Stock Holding History

Twin Tree 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
Q1 		– Sell
-58,000
Closed -$5.53M – 1309
2025
Q4 		$5.53M Sell
58,000
-54,000
-48% -$5.29M 0.05% 468
2025
Q3 		$10.9M Sell
112,000
-108,600
-49% -$11.2M 0.05% 465
2025
Q2 		$23.7M Buy
+220,600
New +$22.3M 0.04% 419
2024
Q2 		– Sell
-597,100
Closed -$40.9M – 1365
2024
Q1 		$40.9M Hold
597,100
– – 0.09% 220
2023
Q4 		$34.5M Buy
+597,100
New +$31.9M 0.07% 295
2022
Q4 		– Sell
-280,300
Closed -$10.9M – 1303
2022
Q3 		$10.9M Hold
280,300
– – 0.02% 528
2022
Q2 		$10.4M Buy
280,300
+239,200
+582% +$9.74M 0.02% 630
2022
Q1 		$1.82M Sell
41,100
-283,300
-87% -$12.3M ﹤0.01% 1181
2021
Q4 		$13.8M Buy
+324,400
New +$13.6M 0.03% 528
2021
Q1 		– Sell
-68,100
Closed -$2.45M – 1359
2020
Q4 		$2.45M Sell
68,100
-69,000
-50% -$2.49M 0.01% 801
2020
Q3 		$5.24M Sell
137,100
-38,300
-22% -$1.48M 0.02% 561
2020
Q2 		$6.16M Buy
+175,400
New +$6.32M 0.03% 596
2019
Q3 		– Sell
-7,700
Closed -$331K – 1236
2019
Q2 		$331K Sell
7,700
-11,900
-61% -$458K ﹤0.01% 930
2019
Q1 		$752K Buy
+19,600
New +$749K ﹤0.01% 884
2016
Q4 		– Sell
-2,700
Closed -$64K – 1167
2016
Q3 		$64K Sell
2,700
-28,600
-91% -$682K ﹤0.01% 1021
2016
Q2 		$731K Sell
31,300
-7,100
-18% -$154K 0.01% 735
2016
Q1 		$722K Buy
+38,400
New +$675K 0.01% 699
2015
Q2 		– Sell
-31,300
Closed -$556K – 1324
2015
Q1 		$556K Buy
+31,300
New +$495K 0.01% 764

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

Twin Tree Management's BSX Position: Q2 2025 in Review

Twin Tree Management sold out of Boston Scientific (BSX) in Q2 2025, closing a stake of 15,923 shares — an estimated $1.61M sold.

Twin Tree Management first reported a position in BSX in Q3 2013 and held it in 33 quarters. The position peaked at $18.1M in Q2 2023. 1,687 funds tracked by Wall St. Rank hold BSX as of Q2 2025.

  • Twin Tree Management reported no remaining Boston Scientific position as of Q2 2025 after selling out during the quarter.
  • Twin Tree Management sold 15,923 Boston Scientific shares in Q2 2025, an estimated $1.61M.
  • Twin Tree Management first reported a position in Boston Scientific in Q3 2013 and held it in 33 quarters.
  • Twin Tree Management's Boston Scientific position peaked at $18.1M in Q2 2023.
  • 1,687 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2025.

Based on Twin Tree Management's 13F filing for Q2 2025, filed 28 Jul 2025.