Rock Springs Capital Management’s Intuitive Surgical ISRG Stock Holding History

Rock Springs Capital 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	$37.8M	Hold	82,000	–	–	2.23%	13
2025 Q4	$46.4M	Hold	82,000	–	–	2.38%	11
2025 Q3	$36.7M	Hold	82,000	–	–	2.14%	14
2025 Q2	$44.6M	Sell	82,000 -20,000	-20%	-$10.5M	2.78%	8
2025 Q1	$50.5M	Sell	102,000 -114,000	-53%	-$63M	2.89%	7
2024 Q4	$113M	Sell	216,000 -54,000	-20%	-$28.1M	4.29%	2
2024 Q3	$133M	Sell	270,000 -28,500	-10%	-$13.3M	4.32%	2
2024 Q2	$133M	Hold	298,500	–	–	4.01%	3
2024 Q1	$119M	Hold	298,500	–	–	3.03%	5
2023 Q4	$101M	Hold	298,500	–	–	2.49%	11
2023 Q3	$87.2M	Hold	298,500	–	–	2.34%	10
2023 Q2	$102M	Hold	298,500	–	–	2.43%	12
2023 Q1	$76.3M	Hold	298,500	–	–	1.82%	18
2022 Q4	$79.2M	Hold	298,500	–	–	1.91%	17
2022 Q3	$56M	Hold	298,500	–	–	1.45%	20
2022 Q2	$59.9M	Hold	298,500	–	–	1.74%	14
2022 Q1	$90.1M	Sell	298,500 -61,500	-17%	-$18M	2.27%	10
2021 Q4	$129M	Hold	360,000	–	–	2.99%	4
2021 Q3	$119M	Hold	360,000	–	–	2.51%	5
2021 Q2	$110M	Hold	360,000	–	–	2.19%	8
2021 Q1	$88.7M	Hold	360,000	–	–	1.93%	12
2020 Q4	$98.2M	Hold	360,000	–	–	2.1%	7
2020 Q3	$85.1M	Hold	360,000	–	–	2.16%	7
2020 Q2	$68.4M	Sell	360,000 -97,500	-21%	-$17.5M	1.88%	7
2020 Q1	$75.5M	Hold	457,500	–	–	3.12%	2
2019 Q4	$90.2M	Hold	457,500	–	–	2.85%	5
2019 Q3	$82.3M	Hold	457,500	–	–	3.28%	4
2019 Q2	$80M	Hold	457,500	–	–	2.92%	6
2019 Q1	$87M	Buy	457,500 +1,500	+0.3%	+$267K	3.38%	4
2018 Q4	$72.8M	Buy	456,000 +31,800	+7%	+$5.39M	3.44%	3
2018 Q3	$81.2M	Sell	424,200 -1,500	-0.4%	-$266K	2.94%	2
2018 Q2	$67.9M	Sell	425,700 -6,000	-1%	-$915K	2.61%	3
2018 Q1	$59.4M	Hold	431,700	–	–	2.54%	2
2017 Q4	$52.5M	Sell	431,700 -300	-0.1%	-$37.5K	2.38%	5
2017 Q3	$50.2M	Hold	432,000	–	–	2.32%	9
2017 Q2	$44.9M	Hold	432,000	–	–	2.28%	9
2017 Q1	$36.8M	Hold	432,000	–	–	2.12%	9
2016 Q4	$30.4M	Buy	432,000 +27,000	+7%	+$1.99M	2.04%	12
2016 Q3	$32.6M	Buy	405,000 +9,000	+2%	+$689K	2.04%	12
2016 Q2	$29.1M	Buy	396,000 +18,000	+5%	+$1.27M	2.16%	9
2016 Q1	$25.2M	Buy	378,000 +22,500	+6%	+$1.39M	2.12%	11
2015 Q4	$21.6M	Buy	355,500 +31,500	+10%	+$1.77M	1.64%	18
2015 Q3	$16.5M	Buy	324,000 +27,000	+9%	+$1.53M	1.35%	20
2015 Q2	$16M	Buy	297,000 +94,500	+47%	+$5.29M	1.17%	27
2015 Q1	$11.4M	Buy	202,500 +36,000	+22%	+$2.04M	1.06%	30
2014 Q4	$9.79M	Hold	166,500	–	–	1.14%	26
2014 Q3	$8.54M	Sell	166,500 -22,950	-12%	-$1.14M	1.32%	28
2014 Q2	$8.67M	Buy	189,450 +22,950	+14%	+$1.01M	1.55%	18
2014 Q1	$8.1M	Buy	166,500 +9,000	+6%	+$424K	1.87%	19
2013 Q4	$6.72M	Buy	+157,500	New	+$6.63M	2.4%	15