Cliff Asness’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
Q2 | $413M | Buy |
9,681,750
+4,441,914
| +85% | +$241M | 0.14% | 178 |
|
|
2026
Q1 | $327M | Buy |
5,239,836
+4,142,091
| +377% | +$331M | 0.15% | 178 |
|
|
2025
Q4 | $105M | Sell |
1,097,745
-74,106
| -6% | -$7.27M | 0.05% | 453 |
|
|
2025
Q3 | $114M | Sell |
1,171,851
-671,342
| -36% | -$69.5M | 0.07% | 374 |
|
|
2025
Q2 | $197M | Buy |
1,843,193
+687,364
| +59% | +$69.5M | 0.16% | 162 |
|
|
2025
Q1 | $114M | Buy |
1,155,829
+243,893
| +27% | +$24.6M | 0.12% | 234 |
|
|
2024
Q4 | $81.5M | Sell |
911,936
-53,014
| -5% | -$4.67M | 0.1% | 255 |
|
|
2024
Q3 | $80.4M | Buy |
964,950
+262,732
| +37% | +$20.7M | 0.11% | 241 |
|
|
2024
Q2 | $53.9M | Sell |
702,218
-151,474
| -18% | -$11.1M | 0.08% | 312 |
|
|
2024
Q1 | $58.5M | Buy |
853,692
+42,585
| +5% | +$2.74M | 0.1% | 247 |
|
|
2023
Q4 | $46.4M | Buy |
811,107
+273,955
| +51% | +$14.6M | 0.09% | 281 |
|
|
2023
Q3 | $28.4M | Buy |
537,152
+68,478
| +15% | +$3.59M | 0.06% | 361 |
|
|
2023
Q2 | $25.4M | Buy |
468,674
+208,267
| +80% | +$10.9M | 0.05% | 404 |
|
|
2023
Q1 | $13M | Buy |
260,407
+33,335
| +15% | +$1.57M | 0.03% | 597 |
|
|
2022
Q4 | $10.4M | Buy |
227,072
+30,797
| +16% | +$1.33M | 0.02% | 645 |
|
|
2022
Q3 | $7.6M | Buy |
196,275
+56,342
| +40% | +$2.26M | 0.02% | 715 |
|
|
2022
Q2 | $5.2M | Buy |
139,933
+5,386
| +4% | +$219K | 0.01% | 797 |
|
|
2022
Q1 | $5.96M | Sell |
134,547
-191,259
| -59% | -$8.29M | 0.01% | 813 |
|
|
2021
Q4 | $13.8M | Sell |
325,806
-49,312
| -13% | -$2.07M | 0.03% | 596 |
|
|
2021
Q3 | $16.3M | Sell |
375,118
-101,272
| -21% | -$4.48M | 0.03% | 530 |
|
|
2021
Q2 | $20.4M | Sell |
476,390
-307,364
| -39% | -$12.9M | 0.04% | 495 |
|
|
2021
Q1 | $30.3M | Sell |
783,754
-764,411
| -49% | -$28.9M | 0.05% | 393 |
|
|
2020
Q4 | $55.1M | Buy |
1,548,165
+998,933
| +182% | +$36M | 0.1% | 234 |
|
|
2020
Q3 | $20.8M | Sell |
549,232
-248,356
| -31% | -$9.57M | 0.04% | 453 |
|
|
2020
Q2 | $27.4M | Buy |
797,588
+392,667
| +97% | +$14.1M | 0.04% | 411 |
|
|
2020
Q1 | $13.2M | Buy |
404,921
+161,806
| +67% | +$6.32M | 0.02% | 559 |
|
|
2019
Q4 | $11M | Sell |
243,115
-82,479
| -25% | -$3.45M | 0.01% | 725 |
|
|
2019
Q3 | $13.2M | Sell |
325,594
-1,064,050
| -77% | -$45.1M | 0.02% | 681 |
|
|
2019
Q2 | $58.4M | Sell |
1,389,644
-977,065
| -41% | -$37.6M | 0.07% | 351 |
|
|
2019
Q1 | $90.3M | Buy |
2,366,709
+629,852
| +36% | +$24.1M | 0.1% | 248 |
|
|
2018
Q4 | $61.4M | Sell |
1,736,857
-708,505
| -29% | -$25.7M | 0.07% | 296 |
|
|
2018
Q3 | $94.1M | Sell |
2,445,362
-217,266
| -8% | -$7.59M | 0.09% | 243 |
|
|
2018
Q2 | $87.1M | Sell |
2,662,628
-190,288
| -7% | -$5.74M | 0.09% | 263 |
|
|
2018
Q1 | $77.9M | Buy |
2,852,916
+92,265
| +3% | +$2.51M | 0.08% | 285 |
|
|
2017
Q4 | $68.4M | Buy |
2,760,651
+1,425,278
| +107% | +$39.3M | 0.07% | 311 |
|
|
2017
Q3 | $39M | Sell |
1,335,373
-451,507
| -25% | -$12.5M | 0.05% | 436 |
|
|
2017
Q2 | $49.5M | Sell |
1,786,880
-375,428
| -17% | -$9.96M | 0.07% | 380 |
|
|
2017
Q1 | $53.8M | Sell |
2,162,308
-395,304
| -15% | -$9.61M | 0.07% | 369 |
|
|
2016
Q4 | $55.3M | Buy |
2,557,612
+29,528
| +1% | +$644K | 0.08% | 348 |
|
|
2016
Q3 | $60.2M | Buy |
2,528,084
+1,543,264
| +157% | +$36.8M | 0.09% | 307 |
|
|
2016
Q2 | $23M | Sell |
984,820
-171,288
| -15% | -$3.71M | 0.04% | 518 |
|
|
2016
Q1 | $21.7M | Sell |
1,156,108
-1,103,435
| -49% | -$19.4M | 0.04% | 519 |
|
|
2015
Q4 | $41.7M | Sell |
2,259,543
-2,185,866
| -49% | -$39.2M | 0.07% | 348 |
|
|
2015
Q3 | $72.9M | Buy |
4,445,409
+2,069,861
| +87% | +$35.4M | 0.15% | 194 |
|
|
2015
Q2 | $42M | Buy |
2,375,548
+911,244
| +62% | +$16.3M | 0.08% | 288 |
|
|
2015
Q1 | $26M | Sell |
1,464,304
-1,520,635
| -51% | -$24M | 0.06% | 339 |
|
|
2014
Q4 | $39.5M | Sell |
2,984,939
-1,901,977
| -39% | -$24.3M | 0.08% | 293 |
|
|
2014
Q3 | $57.7M | Sell |
4,886,916
-6,794,995
| -58% | -$85.6M | 0.16% | 171 |
|
|
2014
Q2 | $149M | Buy |
11,681,911
+80,300
| +0.7% | +$1.04M | 0.4% | 44 |
|
|
2014
Q1 | $157M | Sell |
11,601,611
-459,600
| -4% | -$6.03M | 0.47% | 35 |
|
|
2013
Q4 | $145M | Buy |
12,061,211
+887,984
| +8% | +$10.5M | 0.43% | 41 |
|
|
2013
Q3 | $131M | Sell |
11,173,227
-1,084,073
| -9% | -$11.7M | 0.46% | 36 |
|
|
2013
Q2 | $114M | Buy |
+12,257,300
| New | +$104M | 0.4% | 45 |
|
Other funds holding BSX
Cliff Asness's BSX Position: Q2 2026 in Review
Cliff Asness increased its Boston Scientific (BSX) stake by 85% in Q2 2026, buying an estimated $241M and bringing the position to 9,681,750 shares worth $413M. The position accounts for 0.14% of the portfolio, ranked #178.
Cliff Asness first reported a position in BSX in Q2 2013 and has held it in 53 quarters since. 1,468 funds tracked by Wall St. Rank hold BSX as of Q2 2026.
- Cliff Asness held 9,681,750 shares of Boston Scientific worth $413M as of Q2 2026.
- Cliff Asness bought 4,441,914 Boston Scientific shares in Q2 2026, an estimated $241M.
- Boston Scientific made up 0.14% of Cliff Asness's portfolio in Q2 2026, its #178 holding.
- Cliff Asness first reported a position in Boston Scientific in Q2 2013 and has held it in 53 quarters since.
- 1,468 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.
Based on AQR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.