Tudor Investment Corp
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Tudor Investment Corp’s Boston Scientific BSX Stock Holding History

Tudor Investment Corp’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 		$39.7M Sell
632,552
-100,286
-14% -$8.02M 0.07% 197
2025
Q4 		$69.9M Buy
732,838
+72,652
+11% +$7.12M 0.13% 109
2025
Q3 		$64.5M Buy
660,186
+9,566
+1% +$991K 0.11% 130
2025
Q2 		$69.9M Buy
650,620
+394,489
+154% +$39.9M 0.15% 77
2025
Q1 		$25.8M Buy
+256,131
New +$25.8M 0.09% 146
2024
Q4 		– Sell
-329,804
Closed -$29M – 3035
2024
Q3 		$27.6M Buy
329,804
+315,270
+2,169% +$24.9M 0.1% 108
2024
Q2 		$1.12M Sell
14,534
-142,175
-91% -$10.4M 0.01% 1405
2024
Q1 		$10.7M Sell
156,709
-47,279
-23% -$3.04M 0.07% 329
2023
Q4 		$11.8M Sell
203,988
-104,697
-34% -$5.59M 0.1% 291
2023
Q3 		$16.3M Buy
308,685
+72,449
+31% +$3.8M 0.16% 92
2023
Q2 		$12.8M Buy
236,236
+17,634
+8% +$921K 0.15% 108
2023
Q1 		$10.9M Buy
+218,602
New +$10.3M 0.17% 125
2022
Q2 		– Sell
-28,173
Closed -$1.15M – 2115
2022
Q1 		$1.25M Buy
28,173
+11,417
+68% +$495K 0.03% 792
2021
Q4 		$712K Buy
16,756
+6,556
+64% +$275K 0.01% 1223
2021
Q3 		$443K Buy
+10,200
New +$451K 0.01% 1739
2021
Q2 		– Sell
-21,224
Closed -$820K – 1619
2021
Q1 		$820K Buy
21,224
+9,103
+75% +$345K 0.02% 931
2020
Q4 		$436K Sell
12,121
-69,180
-85% -$2.49M 0.01% 1002
2020
Q3 		$3.11M Buy
81,301
+48,401
+147% +$1.87M 0.14% 167
2020
Q2 		$1.16M Sell
32,900
-13,462
-29% -$485K 0.06% 429
2020
Q1 		$1.51M Buy
+46,362
New +$1.81M 0.14% 149
2019
Q2 		– Sell
-61,225
Closed -$2.35M – 1104
2019
Q1 		$2.35M Buy
+61,225
New +$2.34M 0.1% 236
2018
Q3 		– Sell
-30,623
Closed -$1M – 1088
2018
Q2 		$1M Buy
30,623
+3,936
+15% +$119K 0.03% 439
2018
Q1 		$729K Sell
26,687
-168,980
-86% -$4.59M 0.02% 440
2017
Q4 		$4.85M Buy
+195,667
New +$5.4M 0.12% 34
2016
Q4 		– Sell
-26,610
Closed -$633K – 1403
2016
Q3 		$633K Sell
26,610
-7,384
-22% -$176K 0.01% 614
2016
Q2 		$794K Buy
+33,994
New +$735K 0.02% 558
2015
Q3 		– Sell
-650,000
Closed -$11.5M – 1545
2015
Q2 		$11.5M Buy
650,000
+629,446
+3,062% +$11.2M 0.34% 53
2015
Q1 		$365K Sell
20,554
-141,947
-87% -$2.24M 0.01% 926
2014
Q4 		$2.15M Buy
162,501
+73,160
+82% +$935K 0.07% 139
2014
Q3 		$1.05M Buy
89,341
+62,301
+230% +$785K 0.04% 270
2014
Q2 		$345K Buy
27,040
+9,096
+51% +$118K 0.01% 763
2014
Q1 		$243K Buy
+17,944
New +$236K 0.01% 944
2013
Q4 		– Sell
-13,100
Closed -$154K – 1273
2013
Q3 		$154K Buy
+13,100
New +$142K 0.01% 757

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

Tudor Investment Corp's BSX Position: Q1 2026 in Review

Tudor Investment Corp reduced its Boston Scientific (BSX) stake by 14% in Q1 2026, selling an estimated $8.02M and leaving 632,552 shares worth $39.7M. The position accounts for 0.07% of the portfolio, ranked #197.

Tudor Investment Corp first reported a position in BSX in Q3 2013 and has held it in 33 quarters since. The position peaked at $69.9M in Q2 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Tudor Investment Corp held 632,552 shares of Boston Scientific worth $39.7M as of Q1 2026.
  • Tudor Investment Corp sold 100,286 Boston Scientific shares in Q1 2026, an estimated $8.02M.
  • Boston Scientific made up 0.07% of Tudor Investment Corp's portfolio in Q1 2026, its #197 holding.
  • Tudor Investment Corp first reported a position in Boston Scientific in Q3 2013 and has held it in 33 quarters since.
  • Tudor Investment Corp's Boston Scientific position peaked at $69.9M in Q2 2025.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Tudor Investment Corp's 13F filing for Q1 2026, filed 15 May 2026.