Parallax Volatility Advisers’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 | $5.77M | Buy |
135,199
+133,810
| +9,634% | +$7.27M | 0.01% | 558 |
|
|
2026
Q1 | $82.7K | Sell |
1,389
-80,743
| -98% | -$6.46M | ﹤0.01% | 1249 |
|
|
2025
Q4 | $7.83M | Buy |
82,132
+26,967
| +49% | +$2.64M | 0.02% | 531 |
|
|
2025
Q3 | $5.39M | Sell |
55,165
-14,531
| -21% | -$1.5M | 0.01% | 659 |
|
|
2025
Q2 | $7.49M | Sell |
69,696
-115,956
| -62% | -$11.7M | 0.02% | 515 |
|
|
2025
Q1 | $18.7M | Buy |
185,652
+3,840
| +2% | +$387K | 0.05% | 284 |
|
|
2024
Q4 | $16.2M | Buy |
181,812
+23,164
| +15% | +$2.04M | 0.03% | 406 |
|
|
2024
Q3 | $13.3M | Buy |
158,648
+44,382
| +39% | +$3.5M | 0.02% | 450 |
|
|
2024
Q2 | $8.8M | Sell |
114,266
-62,933
| -36% | -$4.61M | 0.02% | 520 |
|
|
2024
Q1 | $12.1M | Sell |
177,199
-60,975
| -26% | -$3.92M | 0.03% | 456 |
|
|
2023
Q4 | $13.8M | Buy |
238,174
+25,446
| +12% | +$1.36M | 0.03% | 494 |
|
|
2023
Q3 | $11.2M | Buy |
212,728
+9,404
| +5% | +$493K | 0.03% | 504 |
|
|
2023
Q2 | $11M | Buy |
203,324
+100,766
| +98% | +$5.26M | 0.02% | 503 |
|
|
2023
Q1 | $5.13M | Buy |
102,558
+85,693
| +508% | +$4.04M | 0.01% | 848 |
|
|
2022
Q4 | $780K | Sell |
16,865
-10,559
| -39% | -$457K | ﹤0.01% | 1742 |
|
|
2022
Q3 | $1.06M | Buy |
+27,424
| New | +$1.1M | ﹤0.01% | 1713 |
|
|
2021
Q4 | – | Sell |
-1,399
| Closed | -$58.8K | – | 3027 |
|
|
2021
Q3 | $61K | Sell |
1,399
-19,314
| -93% | -$854K | ﹤0.01% | 2683 |
|
|
2021
Q2 | $886K | Buy |
20,713
+17,266
| +501% | +$726K | ﹤0.01% | 1972 |
|
|
2021
Q1 | $133K | Sell |
3,447
-190,382
| -98% | -$7.21M | ﹤0.01% | 2777 |
|
|
2020
Q4 | $6.97M | Buy |
193,829
+19,259
| +11% | +$694K | 0.01% | 1267 |
|
|
2020
Q3 | $6.67M | Sell |
174,570
-197,995
| -53% | -$7.63M | ﹤0.01% | 1170 |
|
|
2020
Q2 | $13.1M | Sell |
372,565
-214,728
| -37% | -$7.73M | 0.02% | 665 |
|
|
2020
Q1 | $19.2M | Buy |
587,293
+454,374
| +342% | +$17.8M | 0.02% | 416 |
|
|
2019
Q4 | $6.01M | Buy |
132,919
+83,724
| +170% | +$3.5M | 0.01% | 835 |
|
|
2019
Q3 | $2M | Sell |
49,195
-62,706
| -56% | -$2.66M | ﹤0.01% | 1139 |
|
|
2019
Q2 | $4.81M | Buy |
111,901
+87,200
| +353% | +$3.35M | 0.01% | 744 |
|
|
2019
Q1 | $948K | Buy |
24,701
+6,471
| +35% | +$247K | ﹤0.01% | 1294 |
|
|
2018
Q4 | $644K | Buy |
+18,230
| New | +$661K | ﹤0.01% | 1444 |
|
|
2018
Q3 | – | Sell |
-18,365
| Closed | -$641K | – | 2609 |
|
|
2018
Q2 | $601K | Buy |
+18,365
| New | +$554K | ﹤0.01% | 1222 |
|
|
2018
Q1 | – | Sell |
-32,580
| Closed | -$808K | – | 2355 |
|
|
2017
Q4 | $808K | Buy |
+32,580
| New | +$899K | ﹤0.01% | 1275 |
|
|
2015
Q3 | – | Sell |
-11,043
| Closed | -$195K | – | 2896 |
|
|
2015
Q2 | $195K | Buy |
+11,043
| New | +$197K | ﹤0.01% | 1991 |
|
|
2015
Q1 | – | Sell |
-162,855
| Closed | -$2.57M | – | 4416 |
|
|
2014
Q4 | $2.16M | Buy |
+162,855
| New | +$2.08M | 0.01% | 1046 |
|
Other funds holding BSX
Parallax Volatility Advisers's BSX Position: Q2 2026 in Review
Parallax Volatility Advisers increased its Boston Scientific (BSX) stake by 9,634% in Q2 2026, buying an estimated $7.27M and bringing the position to 135,199 shares worth $5.77M. The position accounts for 0.01% of the portfolio, ranked #558.
Parallax Volatility Advisers first reported a position in BSX in Q4 2014 and has held it in 32 quarters since. The position peaked at $19.2M in Q1 2020. 1,477 funds tracked by Wall St. Rank hold BSX as of Q2 2026.
- Parallax Volatility Advisers held 135,199 shares of Boston Scientific worth $5.77M as of Q2 2026.
- Parallax Volatility Advisers bought 133,810 Boston Scientific shares in Q2 2026, an estimated $7.27M.
- Boston Scientific made up 0.01% of Parallax Volatility Advisers's portfolio in Q2 2026, its #558 holding.
- Parallax Volatility Advisers first reported a position in Boston Scientific in Q4 2014 and has held it in 32 quarters since.
- Parallax Volatility Advisers's Boston Scientific position peaked at $19.2M in Q1 2020.
- 1,477 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.
Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.