LMR Partners’s Boston Scientific BSX Stock Holding History

LMR Partners’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	$14.6M	Buy	232,801 +229,474	+6,897%	+$18.4M	0.03%	303
2025 Q4	$317K	Buy	3,327 +2,070	+165%	+$203K	﹤0.01%	1198
2025 Q3	$123K	Sell	1,257 -1,521	-55%	-$158K	﹤0.01%	1265
2025 Q2	$298K	Sell	2,778 -88,659	-97%	-$8.97M	﹤0.01%	1052
2025 Q1	$9.22M	Sell	91,437 -9,457	-9%	-$952K	0.09%	261
2024 Q4	$9.01M	Sell	100,894 -44,594	-31%	-$3.93M	0.08%	266
2024 Q3	$12.2M	Buy	145,488 +13,708	+10%	+$1.08M	0.1%	179
2024 Q2	$10.1M	Buy	131,780 +69,513	+112%	+$5.09M	0.09%	204
2024 Q1	$4.26M	Buy	62,267 +16,592	+36%	+$1.07M	0.04%	370
2023 Q4	$2.64M	Sell	45,675 -12,318	-21%	-$658K	0.03%	426
2023 Q3	$3.06M	Buy	+57,993	New	+$3.04M	0.03%	343
2023 Q2	–	Sell	-18,250	Closed	-$913K	–	920
2023 Q1	$913K	Buy	18,250 +722	+4%	+$34K	0.01%	619
2022 Q4	$811K	Buy	+17,528	New	+$759K	0.01%	754
2022 Q3	–	Sell	-8,958	Closed	-$334K	–	1219
2022 Q2	$334K	Sell	8,958 -10,539	-54%	-$429K	0.01%	992
2022 Q1	$864K	Buy	+19,497	New	+$845K	0.01%	864
2021 Q3	–	Sell	-5,484	Closed	-$234K	–	1010
2021 Q2	$234K	Buy	+5,484	New	+$231K	﹤0.01%	766
2020 Q1	–	Sell	-7,882	Closed	-$356	–	270
2019 Q4	$356	Sell	7,882 -2,675	-25%	-$112K	﹤0.01%	337
2019 Q3	$430K	Sell	10,557 -15,242	-59%	-$646K	0.02%	287
2019 Q2	$1.11M	Buy	+25,799	New	+$992K	0.04%	216
2019 Q1	–	Sell	-57,417	Closed	-$2.03M	–	379
2018 Q4	$2.03M	Buy	+57,417	New	+$2.08M	0.1%	113
2018 Q2	–	Sell	-49,377	Closed	-$1.22M	–	483
2018 Q1	$1.22M	Hold	49,377	–	–	0.13%	154
2017 Q4	$1.22M	Buy	49,377 +29,796	+152%	+$822K	0.13%	154
2017 Q3	$571K	Sell	19,581 -81,501	-81%	-$2.25M	0.06%	168
2017 Q2	$2.8M	Buy	+101,082	New	+$2.68M	0.18%	118
2017 Q1	–	Sell	-149,150	Closed	-$3.23M	–	364
2016 Q4	$3.23M	Buy	149,150 +36,919	+33%	+$806K	0.5%	34
2016 Q3	$2.67M	Sell	112,231 -22,813	-17%	-$544K	0.25%	87
2016 Q2	$3.16M	Buy	135,044 +85,808	+174%	+$1.86M	0.49%	50
2016 Q1	$927	Buy	49,236 +5,528	+13%	+$97.1K	0.1%	185
2015 Q4	$806K	Buy	+43,708	New	+$783K	0.26%	79
2015 Q3	–	Sell	-156,795	Closed	-$2.77M	–	330
2015 Q2	$2.77M	Buy	156,795 +69,637	+80%	+$1.24M	0.34%	61
2015 Q1	$1.55M	Buy	87,158 +57,463	+194%	+$908K	0.21%	124
2014 Q4	$394K	Buy	+29,695	New	+$380K	0.05%	314
2014 Q3	–	Sell	-219,503	Closed	-$2.8M	–	343
2014 Q2	$2.8M	Buy	+219,503	New	+$2.85M	0.23%	116

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

LMR Partners's BSX Position: Q1 2026 in Review

LMR Partners increased its Boston Scientific (BSX) stake by 6,897% in Q1 2026, buying an estimated $18.4M and bringing the position to 232,801 shares worth $14.6M. The position accounts for 0.03% of the portfolio, ranked #303.

LMR Partners first reported a position in BSX in Q2 2014 and has held it in 33 quarters since. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

LMR Partners held 232,801 shares of Boston Scientific worth $14.6M as of Q1 2026.
LMR Partners bought 229,474 Boston Scientific shares in Q1 2026, an estimated $18.4M.
Boston Scientific made up 0.03% of LMR Partners's portfolio in Q1 2026, its #303 holding.
LMR Partners first reported a position in Boston Scientific in Q2 2014 and has held it in 33 quarters since.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on LMR Partners's 13F filing for Q1 2026, filed 15 May 2026.