Altar Rock LLC’s Boston Scientific BSX Stock Holding History

Altar Rock LLC’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	-2,593	Closed	-$247K	–	153
2025 Q4	$247K	Buy	+2,593	New	+$254K	0.3%	79

Other funds holding BSX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Altar Rock LLC's BSX Position: Q1 2026 in Review

Altar Rock LLC sold out of Boston Scientific (BSX) in Q1 2026, closing a stake of 2,593 shares — an estimated $247K sold.

Altar Rock LLC first reported a position in BSX in Q4 2025 and held it in 1 quarter. The position peaked at $247K in Q4 2025. 1,682 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

Altar Rock LLC reported no remaining Boston Scientific position as of Q1 2026 after selling out during the quarter.
Altar Rock LLC sold 2,593 Boston Scientific shares in Q1 2026, an estimated $247K.
Altar Rock LLC first reported a position in Boston Scientific in Q4 2025 and held it in 1 quarter.
Altar Rock LLC's Boston Scientific position peaked at $247K in Q4 2025.
1,682 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Altar Rock LLC's 13F filing for Q1 2026, filed 21 Sep 2026.