Two Sigma Advisers’s Boston Scientific BSX Stock Holding History

Two Sigma Advisers’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	–	Sell	-6,298,460	Closed	-$601M	–	323
2025 Q4	$601M	Buy	6,298,460 +958,700	+18%	+$94M	1.17%	13
2025 Q3	$521M	Buy	5,339,760 +169,800	+3%	+$17.6M	1.04%	18
2025 Q2	$555M	Buy	5,169,960 +964,000	+23%	+$97.5M	1.14%	15
2025 Q1	$424M	Buy	4,205,960 +3,450,700	+457%	+$347M	0.96%	20
2024 Q4	$67.5M	Buy	755,260 +246,800	+49%	+$21.7M	0.16%	133
2024 Q3	$42.6M	Buy	508,460 +149,500	+42%	+$11.8M	0.1%	188
2024 Q2	$27.6M	Buy	+358,960	New	+$26.3M	0.06%	260
2023 Q4	–	Sell	-337,660	Closed	-$17.8M	–	2505
2023 Q3	$17.8M	Sell	337,660 -2,364,300	-88%	-$124M	0.05%	336
2023 Q2	$146M	Sell	2,701,960 -1,003,900	-27%	-$52.4M	0.37%	74
2023 Q1	$185M	Buy	3,705,860 +489,800	+15%	+$23.1M	0.48%	47
2022 Q4	$149M	Buy	3,216,060 +253,100	+9%	+$11M	0.42%	49
2022 Q3	$115M	Sell	2,962,960 -1,469,100	-33%	-$58.9M	0.33%	72
2022 Q2	$165M	Sell	4,432,060 -3,100,200	-41%	-$126M	0.47%	46
2022 Q1	$334M	Sell	7,532,260 -849,000	-10%	-$36.8M	0.89%	18
2021 Q4	$356M	Buy	8,381,260 +299,700	+4%	+$12.6M	0.89%	21
2021 Q3	$351M	Buy	8,081,560 +2,483,000	+44%	+$110M	0.91%	20
2021 Q2	$239M	Buy	5,598,560 +4,426,900	+378%	+$186M	0.63%	31
2021 Q1	$45.3M	Sell	1,171,660 -3,012,400	-72%	-$114M	0.12%	169
2020 Q4	$150M	Buy	4,184,060 +3,947,400	+1,668%	+$142M	0.4%	56
2020 Q3	$9.04M	Sell	236,660 -1,083,400	-82%	-$41.7M	0.03%	568
2020 Q2	$46.3M	Buy	1,320,060 +477,200	+57%	+$17.2M	0.14%	160
2020 Q1	$27.5M	Buy	842,860 +339,500	+67%	+$13.3M	0.11%	222
2019 Q4	$22.8M	Buy	503,360 +493,613	+5,064%	+$20.7M	0.05%	352
2019 Q3	$397K	Sell	9,747 -115,100	-92%	-$4.88M	﹤0.01%	1802
2019 Q2	$5.37M	Sell	124,847 -1,962,913	-94%	-$75.5M	0.01%	801
2019 Q1	$80.1M	Buy	2,087,760 +1,449,200	+227%	+$55.3M	0.2%	125
2018 Q4	$22.6M	Buy	+638,560	New	+$23.2M	0.06%	352
2018 Q3	–	Sell	-2,727,024	Closed	-$89.2M	–	2242
2018 Q2	$89.2M	Sell	2,727,024 -4,528,293	-62%	-$137M	0.24%	105
2018 Q1	$198M	Sell	7,255,317 -171,497	-2%	-$4.66M	0.54%	27
2017 Q4	$184M	Buy	7,426,814 +2,756,504	+59%	+$76M	0.5%	31
2017 Q3	$136M	Buy	4,670,310 +92,493	+2%	+$2.55M	0.39%	59
2017 Q2	$127M	Sell	4,577,817 -1,164,700	-20%	-$30.9M	0.42%	51
2017 Q1	$143M	Buy	5,742,517 +1,749,064	+44%	+$42.5M	0.47%	36
2016 Q4	$86.4M	Buy	3,993,453 +1,778,422	+80%	+$38.8M	0.33%	73
2016 Q3	$52.7M	Buy	2,215,031 +2,165,574	+4,379%	+$51.7M	0.22%	113
2016 Q2	$1.16M	Buy	+49,457	New	+$1.07M	0.01%	1098
2015 Q4	–	Sell	-1,010,168	Closed	-$16.6M	–	1876
2015 Q3	$16.6M	Sell	1,010,168 -658,500	-39%	-$11.3M	0.1%	233
2015 Q2	$29.5M	Sell	1,668,668 -2,999,786	-64%	-$53.6M	0.22%	119
2015 Q1	$82.9M	Sell	4,668,454 -1,581,420	-25%	-$25M	0.61%	22
2014 Q4	$82.8M	Buy	6,249,874 +728,820	+13%	+$9.32M	0.64%	17
2014 Q3	$65.2M	Buy	5,521,054 +3,421,900	+163%	+$43.1M	0.49%	33
2014 Q2	$26.8M	Buy	+2,099,154	New	+$27.3M	0.21%	110
2014 Q1	–	Sell	-11,654	Closed	-$139K	–	2275
2013 Q4	$139K	Sell	11,654 -478,100	-98%	-$5.65M	﹤0.01%	2184
2013 Q3	$5.75M	Buy	489,754 +426,104	+669%	+$4.61M	0.07%	295
2013 Q2	$590K	Buy	+63,650	New	+$540K	0.01%	1216

Other funds holding BSX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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 New York $166B AUM 43.98% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Two Sigma Advisers's BSX Position: Q1 2026 in Review

Two Sigma Advisers sold out of Boston Scientific (BSX) in Q1 2026, closing a stake of 6,298,460 shares — an estimated $601M sold.

Two Sigma Advisers first reported a position in BSX in Q2 2013 and held it in 45 quarters. The position peaked at $601M in Q4 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

Two Sigma Advisers reported no remaining Boston Scientific position as of Q1 2026 after selling out during the quarter.
Two Sigma Advisers sold 6,298,460 Boston Scientific shares in Q1 2026, an estimated $601M.
Two Sigma Advisers first reported a position in Boston Scientific in Q2 2013 and held it in 45 quarters.
Two Sigma Advisers's Boston Scientific position peaked at $601M in Q4 2025.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.