Qube Research & Technologies (QRT)
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Qube Research & Technologies (QRT)’s Boston Scientific BSX Stock Holding History

Qube Research & Technologies (QRT)’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 		$350M Buy
5,569,880
+63,975
+1% +$5.12M 0.39% 32
2025
Q4 		$525M Sell
5,505,905
-1,086,604
-16% -$107M 0.53% 16
2025
Q3 		$644M Buy
6,592,509
+1,912,990
+41% +$198M 0.67% 8
2025
Q2 		$503M Buy
4,679,519
+1,719,386
+58% +$174M 0.51% 19
2025
Q1 		$299M Buy
2,960,133
+1,915,075
+183% +$193M 0.35% 56
2024
Q4 		$93.3M Sell
1,045,058
-795,606
-43% -$70M 0.12% 200
2024
Q3 		$154M Buy
1,840,664
+1,681,232
+1,055% +$133M 0.23% 86
2024
Q2 		$12.3M Sell
159,432
-107,909
-40% -$7.9M 0.02% 820
2024
Q1 		$18.3M Sell
267,341
-324,996
-55% -$20.9M 0.03% 598
2023
Q4 		$34.2M Sell
592,337
-89,906
-13% -$4.8M 0.07% 357
2023
Q3 		$36M Sell
682,243
-1,184,263
-63% -$62.1M 0.09% 268
2023
Q2 		$101M Buy
1,866,506
+1,800,833
+2,742% +$94.1M 0.37% 69
2023
Q1 		$3.29M Sell
65,673
-182,357
-74% -$8.59M 0.01% 799
2022
Q4 		$11.5M Buy
+248,030
New +$10.7M 0.06% 438
2022
Q2 		– Sell
-344,841
Closed -$15.3M – 2528
2022
Q1 		$15.3M Buy
344,841
+326,612
+1,792% +$14.2M 0.13% 210
2021
Q4 		$774K Sell
18,229
-91,811
-83% -$3.86M 0.01% 1336
2021
Q3 		$4.78M Sell
110,040
-134,270
-55% -$5.94M 0.06% 426
2021
Q2 		$10.4M Buy
+244,310
New +$10.3M 0.12% 196
2021
Q1 		– Sell
-11,332
Closed -$407K – 1938
2020
Q4 		$407K Sell
11,332
-434,959
-97% -$15.7M 0.01% 1218
2020
Q3 		$17.1M Buy
+446,291
New +$17.2M 0.24% 83
2019
Q2 		– Sell
-54,762
Closed -$2.1M – 417
2019
Q1 		$2.1M Buy
+54,762
New +$2.09M 0.28% 84
2018
Q4 		– Sell
-12,325
Closed -$475K – 372
2018
Q3 		$475K Buy
12,325
+9,080
+280% +$317K 0.06% 230
2018
Q2 		$106K Sell
3,245
-2,559
-44% -$77.2K 0.07% 299
2018
Q1 		$158K Buy
+5,804
New +$158K 0.06% 184

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

Qube Research & Technologies (QRT)'s BSX Position: Q1 2026 in Review

Qube Research & Technologies (QRT) increased its Boston Scientific (BSX) stake by 1.2% in Q1 2026, buying an estimated $5.12M and bringing the position to 5,569,880 shares worth $350M. The position accounts for 0.39% of the portfolio, ranked #32.

Qube Research & Technologies (QRT) first reported a position in BSX in Q1 2018 and has held it in 24 quarters since. The position peaked at $644M in Q3 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Qube Research & Technologies (QRT) held 5,569,880 shares of Boston Scientific worth $350M as of Q1 2026.
  • Qube Research & Technologies (QRT) bought 63,975 Boston Scientific shares in Q1 2026, an estimated $5.12M.
  • Boston Scientific made up 0.39% of Qube Research & Technologies (QRT)'s portfolio in Q1 2026, its #32 holding.
  • Qube Research & Technologies (QRT) first reported a position in Boston Scientific in Q1 2018 and has held it in 24 quarters since.
  • Qube Research & Technologies (QRT)'s Boston Scientific position peaked at $644M in Q3 2025.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q1 2026, filed 15 May 2026.