Millennium Management’s Boston Scientific BSX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$52.2M Sell
832,600
-428,700
-34% -$34.3M 0.02% 801
2025
Q4
$120M Buy
1,261,300
+878,300
+229% +$86.1M 0.05% 363
2025
Q3
$37.4M Buy
383,000
+83,700
+28% +$8.67M 0.02% 1080
2025
Q2
$32.1M Buy
299,300
+139,100
+87% +$14.1M 0.02% 1130
2025
Q1
$16.2M Buy
160,200
+29,600
+23% +$2.98M 0.01% 1732
2024
Q4
$11.7M Sell
130,600
-69,100
-35% -$6.08M 0.01% 2032
2024
Q3
$16.7M Sell
199,700
-96,500
-33% -$7.61M 0.01% 1718
2024
Q2
$22.8M Sell
296,200
-142,800
-33% -$10.5M 0.01% 1379
2024
Q1
$30.1M Sell
439,000
-378,400
-46% -$24.3M 0.01% 1194
2023
Q4
$47.3M Sell
817,400
-42,100
-5% -$2.25M 0.02% 839
2023
Q3
$45.4M Buy
859,500
+423,900
+97% +$22.2M 0.02% 771
2023
Q2
$23.6M Sell
435,600
-119,700
-22% -$6.25M 0.01% 1261
2023
Q1
$27.8M Buy
555,300
+151,200
+37% +$7.13M 0.02% 1088
2022
Q4
$18.7M Buy
404,100
+60,900
+18% +$2.64M 0.01% 1510
2022
Q3
$13.3M Buy
343,200
+13,200
+4% +$530K 0.01% 1801
2022
Q2
$12.3M Sell
330,000
-500,000
-60% -$20.4M 0.01% 1789
2022
Q1
$36.8M Buy
830,000
+635,100
+326% +$27.5M 0.02% 889
2021
Q4
$8.28M Sell
194,900
-120,000
-38% -$5.04M ﹤0.01% 2349
2021
Q3
$13.7M Sell
314,900
-850,000
-73% -$37.6M 0.01% 1688
2021
Q2
$49.8M Buy
1,164,900
+489,100
+72% +$20.6M 0.03% 605
2021
Q1
$26.1M Buy
675,800
+516,200
+323% +$19.5M 0.02% 894
2020
Q4
$5.74M Sell
159,600
-601,700
-79% -$21.7M ﹤0.01% 2305
2020
Q3
$29.1K Buy
761,300
+293,500
+63% +$11.3M 0.04% 574
2020
Q2
$16.4M Buy
467,800
+442,200
+1,727% +$15.9M 0.02% 866
2020
Q1
$835K Sell
25,600
-424,500
-94% -$16.6M ﹤0.01% 2575
2019
Q4
$20.4M Buy
450,100
+97,700
+28% +$4.09M 0.03% 832
2019
Q3
$14.3M Buy
+352,400
New +$14.9M 0.02% 1012
2019
Q2
Sell
-295,000
Closed -$11.3M 4072
2019
Q1
$11.3M Buy
+295,000
New +$11.3M 0.02% 1161
2018
Q4
Sell
-700,000
Closed -$26.9M 3763
2018
Q3
$26.9M Sell
700,000
-1,200,000
-63% -$41.9M 0.03% 685
2018
Q2
$62.1M Buy
1,900,000
+1,170,000
+160% +$35.3M 0.08% 321
2018
Q1
$19.9M Buy
730,000
+630,000
+630% +$17.1M 0.03% 879
2017
Q4
$2.48M Buy
+100,000
New +$2.76M ﹤0.01% 2153
2017
Q3
Sell
-200,000
Closed -$5.54M 3518
2017
Q2
$5.54M Buy
+200,000
New +$5.31M 0.01% 1444
2016
Q4
Sell
-850,000
Closed -$20.2M 3349
2016
Q3
$20.2M Buy
850,000
+650,000
+325% +$15.5M 0.03% 569
2016
Q2
$4.67M Buy
+200,000
New +$4.33M 0.01% 1306
2015
Q2
Sell
-11,600
Closed -$206K 3342
2015
Q1
$206K Sell
11,600
-296,700
-96% -$4.69M ﹤0.01% 3288
2014
Q4
$4.08M Buy
+308,300
New +$3.94M 0.01% 1532
2014
Q1
Sell
-245,000
Closed -$2.94M 3460
2013
Q4
$2.94M Buy
+245,000
New +$2.89M 0.01% 1539

Other funds holding BSX

Millennium Management's BSX Position: Q1 2026 in Review

Millennium Management reduced its Boston Scientific (BSX) stake by 61% in Q1 2026, selling an estimated $554M and leaving 4,337,804 shares worth $241M. The position accounts for 0.1% of the portfolio, ranked #172.

Millennium Management first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.03B in Q4 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Millennium Management held 4,337,804 shares of Boston Scientific worth $241M as of Q1 2026.
  • Millennium Management sold 6,926,986 Boston Scientific shares in Q1 2026, an estimated $554M.
  • Boston Scientific made up 0.1% of Millennium Management's portfolio in Q1 2026, its #172 holding.
  • Millennium Management first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
  • Millennium Management's Boston Scientific position peaked at $1.03B in Q4 2025.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.