Adage Capital Partners’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 | $291M | Buy |
4,633,237
+2,550,877
| +122% | +$204M | 0.45% | 37 |
|
|
2025
Q4 | $199M | Buy |
2,082,360
+734,944
| +55% | +$72.1M | 0.3% | 58 |
|
|
2025
Q3 | $132M | Sell |
1,347,416
-707,949
| -34% | -$73.3M | 0.21% | 94 |
|
|
2025
Q2 | $221M | Sell |
2,055,365
-536,748
| -21% | -$54.3M | 0.37% | 40 |
|
|
2025
Q1 | $261M | Sell |
2,592,113
-28,259
| -1% | -$2.85M | 0.48% | 31 |
|
|
2024
Q4 | $234M | Buy |
2,620,372
+16,818
| +0.6% | +$1.48M | 0.41% | 35 |
|
|
2024
Q3 | $218M | Sell |
2,603,554
-206,341
| -7% | -$16.3M | 0.39% | 41 |
|
|
2024
Q2 | $216M | Sell |
2,809,895
-519,521
| -16% | -$38M | 0.4% | 36 |
|
|
2024
Q1 | $228M | Buy |
3,329,416
+167,100
| +5% | +$10.7M | 0.43% | 34 |
|
|
2023
Q4 | $183M | Sell |
3,162,316
-997,897
| -24% | -$53.3M | 0.38% | 50 |
|
|
2023
Q3 | $220M | Buy |
4,160,213
+529,379
| +15% | +$27.8M | 0.5% | 30 |
|
|
2023
Q2 | $196M | Buy |
3,630,834
+762,771
| +27% | +$39.8M | 0.43% | 41 |
|
|
2023
Q1 | $143M | Buy |
2,868,063
+311,247
| +12% | +$14.7M | 0.32% | 64 |
|
|
2022
Q4 | $118M | Sell |
2,556,816
-601,700
| -19% | -$26.1M | 0.28% | 84 |
|
|
2022
Q3 | $122M | Buy |
3,158,516
+769,700
| +32% | +$30.9M | 0.3% | 72 |
|
|
2022
Q2 | $89M | Buy |
2,388,816
+400,800
| +20% | +$16.3M | 0.2% | 107 |
|
|
2022
Q1 | $88M | Buy |
1,988,016
+669,600
| +51% | +$29M | 0.17% | 133 |
|
|
2021
Q4 | $56M | Sell |
1,318,416
-200,600
| -13% | -$8.43M | 0.1% | 203 |
|
|
2021
Q3 | $65.9M | Sell |
1,519,016
-221,900
| -13% | -$9.82M | 0.13% | 165 |
|
|
2021
Q2 | $74.4M | Buy |
1,740,916
+172,900
| +11% | +$7.27M | 0.15% | 149 |
|
|
2021
Q1 | $60.6M | Sell |
1,568,016
-25,700
| -2% | -$973K | 0.12% | 180 |
|
|
2020
Q4 | $57.3M | Buy |
1,593,716
+442,400
| +38% | +$15.9M | 0.12% | 184 |
|
|
2020
Q3 | $44M | Sell |
1,151,316
-501,100
| -30% | -$19.3M | 0.11% | 203 |
|
|
2020
Q2 | $58M | Buy |
1,652,416
+255,200
| +18% | +$9.19M | 0.15% | 159 |
|
|
2020
Q1 | $45.6M | Sell |
1,397,216
-578,095
| -29% | -$22.6M | 0.14% | 181 |
|
|
2019
Q4 | $89.3M | Buy |
1,975,311
+383,795
| +24% | +$16.1M | 0.22% | 121 |
|
|
2019
Q3 | $64.8M | Sell |
1,591,516
-843,680
| -35% | -$35.7M | 0.16% | 162 |
|
|
2019
Q2 | $105M | Sell |
2,435,196
-303,686
| -11% | -$11.7M | 0.26% | 101 |
|
|
2019
Q1 | $105M | Sell |
2,738,882
-472,719
| -15% | -$18.1M | 0.26% | 96 |
|
|
2018
Q4 | $113M | Sell |
3,211,601
-496,911
| -13% | -$18M | 0.31% | 83 |
|
|
2018
Q3 | $143M | Buy |
3,708,512
+893,900
| +32% | +$31.2M | 0.32% | 82 |
|
|
2018
Q2 | $92M | Buy |
2,814,612
+471,043
| +20% | +$14.2M | 0.21% | 120 |
|
|
2018
Q1 | $64M | Sell |
2,343,569
-2,870,393
| -55% | -$78M | 0.15% | 186 |
|
|
2017
Q4 | $129M | Sell |
5,213,962
-1,852,500
| -26% | -$51.1M | 0.29% | 89 |
|
|
2017
Q3 | $206M | Buy |
7,066,462
+1,444,600
| +26% | +$39.9M | 0.5% | 42 |
|
|
2017
Q2 | $156M | Buy |
5,621,862
+620,000
| +12% | +$16.5M | 0.38% | 56 |
|
|
2017
Q1 | $124M | Sell |
5,001,862
-1,376,800
| -22% | -$33.5M | 0.31% | 82 |
|
|
2016
Q4 | $138M | Buy |
6,378,662
+2,908,100
| +84% | +$63.5M | 0.38% | 68 |
|
|
2016
Q3 | $82.6M | Sell |
3,470,562
-58,650
| -2% | -$1.4M | 0.23% | 119 |
|
|
2016
Q2 | $82.5M | Sell |
3,529,212
-2,030,905
| -37% | -$43.9M | 0.23% | 123 |
|
|
2016
Q1 | $105M | Sell |
5,560,117
-274,495
| -5% | -$4.82M | 0.28% | 101 |
|
|
2015
Q4 | $108M | Buy |
5,834,612
+874,200
| +18% | +$15.7M | 0.28% | 104 |
|
|
2015
Q3 | $81.4M | Sell |
4,960,412
-1,625,100
| -25% | -$27.8M | 0.23% | 125 |
|
|
2015
Q2 | $117M | Sell |
6,585,512
-424,600
| -6% | -$7.59M | 0.29% | 95 |
|
|
2015
Q1 | $124M | Sell |
7,010,112
-1,450,000
| -17% | -$22.9M | 0.3% | 91 |
|
|
2014
Q4 | $112M | Buy |
8,460,112
+464,700
| +6% | +$5.94M | 0.27% | 104 |
|
|
2014
Q3 | $94.4M | Buy |
7,995,412
+570,600
| +8% | +$7.19M | 0.23% | 112 |
|
|
2014
Q2 | $94.8M | Buy |
7,424,812
+343,000
| +5% | +$4.46M | 0.25% | 113 |
|
|
2014
Q1 | $95.7M | Buy |
7,081,812
+1,161,000
| +20% | +$15.2M | 0.26% | 112 |
|
|
2013
Q4 | $71.2M | Buy |
5,920,812
+830,000
| +16% | +$9.81M | 0.19% | 156 |
|
|
2013
Q3 | $59.8M | Buy |
5,090,812
+4,419,150
| +658% | +$47.8M | 0.17% | 165 |
|
|
2013
Q2 | $6.23M | Buy |
+671,662
| New | +$5.7M | 0.02% | 569 |
|
Other funds holding BSX
VCM
VPM
Adage Capital Partners's BSX Position: Q1 2026 in Review
Adage Capital Partners increased its Boston Scientific (BSX) stake by 122% in Q1 2026, buying an estimated $204M and bringing the position to 4,633,237 shares worth $291M. The position accounts for 0.45% of the portfolio, ranked #37.
Adage Capital Partners first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.
- Adage Capital Partners held 4,633,237 shares of Boston Scientific worth $291M as of Q1 2026.
- Adage Capital Partners bought 2,550,877 Boston Scientific shares in Q1 2026, an estimated $204M.
- Boston Scientific made up 0.45% of Adage Capital Partners's portfolio in Q1 2026, its #37 holding.
- Adage Capital Partners first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
- 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.
Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.