UBS O'Connor’s Boston Scientific BSX Stock Holding History

UBS O'Connor’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
2025 Q1	–	Sell	-8,334	Closed	-$744K	–	355
2024 Q4	$744K	Buy	8,334 +1,507	+22%	+$133K	0.02%	255
2024 Q3	$572K	Sell	6,827 -273	-4%	-$21.5K	0.01%	335
2024 Q2	$547K	Sell	7,100 -7,700	-52%	-$564K	0.02%	360
2024 Q1	$1.01M	Sell	14,800 -4,985	-25%	-$321K	0.03%	273
2023 Q4	$1.14M	Sell	19,785 -31,607	-62%	-$1.69M	0.04%	251
2023 Q3	$2.71M	Buy	51,392 +10,000	+24%	+$524K	0.05%	189
2023 Q2	$2.24M	Sell	41,392 -4,616	-10%	-$241K	0.05%	273
2023 Q1	$2.3M	Buy	+46,008	New	+$2.17M	0.05%	293
2022 Q4	–	Sell	-70,005	Closed	-$2.71M	–	57
2022 Q3	$2.71M	Sell	70,005 -63,000	-47%	-$2.53M	0.03%	470
2022 Q2	$4.96M	Buy	+133,005	New	+$5.41M	0.05%	331
2015 Q1	–	Sell	-24,302	Closed	-$322K	–	734
2014 Q4	$322K	Buy	+24,302	New	+$311K	0.01%	538

Other funds holding BSX

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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

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

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

UBS O'Connor's BSX Position: Q1 2025 in Review

UBS O'Connor sold out of Boston Scientific (BSX) in Q1 2025, closing a stake of 8,334 shares — an estimated $744K sold.

UBS O'Connor first reported a position in BSX in Q4 2014 and held it in 11 quarters. The position peaked at $4.96M in Q2 2022. 1,642 funds tracked by Wall St. Rank hold BSX as of Q1 2025.

UBS O'Connor reported no remaining Boston Scientific position as of Q1 2025 after selling out during the quarter.
UBS O'Connor sold 8,334 Boston Scientific shares in Q1 2025, an estimated $744K.
UBS O'Connor first reported a position in Boston Scientific in Q4 2014 and held it in 11 quarters.
UBS O'Connor's Boston Scientific position peaked at $4.96M in Q2 2022.
1,642 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2025.

Based on UBS O'Connor's 13F filing for Q1 2025, filed 15 May 2025.