Silphium Asset Management’s Intuitive Surgical ISRG Stock Holding History

Silphium Asset Management’s Portfolio ISRG Stock Details ISRG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$656K	Sell	1,422 -413	-23%	-$209K	0.25%	38
2025 Q4	$1.04M	Buy	+1,835	New	+$977K	0.44%	42
2020 Q1	–	Sell	-1,200	Closed	-$236K	–	25
2019 Q4	$236K	Sell	1,200 -300	-20%	-$56.2K	0.12%	59
2019 Q3	$270K	Sell	1,500 -450	-23%	-$77.8K	0.1%	82
2019 Q2	$341K	Buy	1,950 +360	+23%	+$61.7K	0.1%	72
2019 Q1	$302K	Buy	+1,590	New	+$283K	0.16%	60

Other funds holding ISRG

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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

Silphium Asset Management's ISRG Position: Q1 2026 in Review

Silphium Asset Management reduced its Intuitive Surgical (ISRG) stake by 23% in Q1 2026, selling an estimated $209K and leaving 1,422 shares worth $656K. The position accounts for 0.25% of the portfolio, ranked #38.

Silphium Asset Management first reported a position in ISRG in Q1 2019 and has held it in 6 quarters since. The position peaked at $1.04M in Q4 2025. 2,303 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.

Silphium Asset Management held 1,422 shares of Intuitive Surgical worth $656K as of Q1 2026.
Silphium Asset Management sold 413 Intuitive Surgical shares in Q1 2026, an estimated $209K.
Intuitive Surgical made up 0.25% of Silphium Asset Management's portfolio in Q1 2026, its #38 holding.
Silphium Asset Management first reported a position in Intuitive Surgical in Q1 2019 and has held it in 6 quarters since.
Silphium Asset Management's Intuitive Surgical position peaked at $1.04M in Q4 2025.
2,303 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.

Based on Silphium Asset Management's 13F filing for Q1 2026, filed 5 May 2026.