David A. Siegel Intuitive Surgical Inc Transaction History

Two Sigma Advisers, LP

$47 Billion
Q3 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Intuitive Surgical Inc stock. As of the latest transaction made, Two Sigma Advisers, LP holds 1,278,400 shares of ISRG stock, worth $699 Million. This represents 1.22% of its overall portfolio holdings.

Number of Shares

1,278,400

Previous 579,300 120.68%

Holding current value

$699 Million

Previous $315 Million 81.62%

% of portfolio

1.22%

Previous 0.68%

30 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$433.66 - $544.47 $303 Million - $381 Million	699,100 Added 120.68%	1,278,400 $572 Million
Q2 2025 Aug 14, 2025	SELL	$451.58 - $565.94 $54.5 Million - $68.3 Million	-120,600 Reduced 17.23%	579,300 $315 Million
Q1 2025 May 15, 2025	BUY	$476.63 - $610.45 $275 Million - $352 Million	576,800 Added 468.56%	699,900 $347 Million
Q4 2024 Feb 14, 2025	BUY	$471.27 - $550.62 $56.8 Million - $66.4 Million	120,600 Added 4824.0%	123,100 $64.3 Million
Q3 2024 Nov 14, 2024	BUY	$416.14 - $494.01 $1.04 Million - $1.24 Million	2,500 New	2,500 $1.23 Million

Q1 2024 May 15, 2024	SELL	$322.13 - $400.59 $51.1 Million - $63.6 Million	-158,700 Reduced 97.48%	4,100 $1.64 Million
Q4 2023 Feb 14, 2024	SELL	$258.49 - $338.39 $21.3 Million - $27.9 Million	-82,500 Reduced 33.63%	162,800 $54.9 Million
Q3 2023 Nov 14, 2023	BUY	$284.35 - $354.93 $65 Million - $81.2 Million	228,700 Added 1377.71%	245,300 $71.7 Million
Q2 2023 Aug 14, 2023	BUY	$253.53 - $341.94 $4.01 Million - $5.4 Million	15,800 Added 1975.0%	16,600 $5.68 Million
Q1 2023 May 15, 2023	BUY	$224.75 - $271.36 $179,800 - $217,088	800 New	800 $204,000
Q3 2022 Nov 14, 2022	SELL	$186.38 - $242.46 $4.9 Million - $6.38 Million	-26,300 Reduced 6.12%	403,300 $75.6 Million
Q2 2022 Aug 15, 2022	BUY	$190.71 - $305.54 $41.6 Million - $66.7 Million	218,300 Added 103.31%	429,600 $86.2 Million
Q1 2022 May 16, 2022	SELL	$262.77 - $360.0 $21.6 Million - $29.6 Million	-82,309 Reduced 28.03%	211,300 $63.7 Million
Q4 2021 Feb 14, 2022	SELL	$319.93 - $365.42 $5.12 Million - $5.84 Million	-15,994 Reduced 5.17%	293,609 $105 Million
Q3 2021 Nov 15, 2021	BUY	$309.15 - $360.85 $30.8 Million - $35.9 Million	99,600 Added 47.43%	309,603 $308 Million
Q2 2021 Aug 16, 2021	BUY	$249.2 - $306.91 $25.2 Million - $31 Million	101,000 Added 92.66%	210,003 $193 Million
Q1 2021 May 17, 2021	BUY	$228.3 - $272.92 $21.7 Million - $26 Million	95,103 Added 684.19%	109,003 $80.5 Million
Q4 2020 Feb 16, 2021	SELL	$222.36 - $272.7 $155,652 - $190,890	-700 Reduced 4.79%	13,900 $11.4 Million
Q3 2020 Nov 16, 2020	BUY	$190.43 - $255.04 $2.25 Million - $3.01 Million	11,800 Added 421.43%	14,600 $10.4 Million
Q2 2020 Aug 14, 2020	SELL	$152.75 - $197.59 $1.63 Million - $2.11 Million	-10,700 Reduced 79.26%	2,800 $1.6 Million
Q1 2020 May 15, 2020	BUY	$122.58 - $206.1 $171,244 - $287,921	1,397 Added 11.54%	13,500 $6.69 Million
Q4 2019 Feb 14, 2020	BUY	$169.67 - $199.6 $1.17 Million - $1.38 Million	6,903 Added 132.75%	12,103 $7.16 Million
Q3 2019 Nov 14, 2019	BUY	$161.53 - $181.67 $839,956 - $944,683	5,200 New	5,200 $2.81 Million
Q1 2019 May 15, 2019	SELL	$150.08 - $192.66 $240,128 - $308,256	-1,600 Closed	0 $0
Q4 2018 Feb 14, 2019	SELL	$144.96 - $191.58 $7.51 Million - $9.92 Million	-51,787 Reduced 97.0%	1,600 $766,000
Q3 2018 Nov 14, 2018	SELL	$161.86 - $191.4 $13.2 Million - $15.7 Million	-81,800 Reduced 60.51%	53,387 $30.6 Million
Q2 2018 Aug 14, 2018	BUY	$132.18 - $165.17 $6.37 Million - $7.96 Million	48,200 Added 55.41%	135,187 $64.7 Million
Q1 2018 May 15, 2018	SELL	$125.08 - $149.94 $6.39 Million - $7.66 Million	-51,100 Reduced 37.01%	86,987 $35.9 Million
Q4 2017 Feb 14, 2018	SELL	$117.83 - $134.57 $4.41 Million - $5.04 Million	-37,442 Reduced 21.33%	138,087 $50.4 Million
Q3 2017 Nov 14, 2017	BUY	$103.26 - $116.26 $18.1 Million - $20.4 Million	175,529	175,529 $184 Million

Others Institutions Holding ISRG

# of Institutions

2,462

Shares Held

292M

Call Options Held

2.82M

Put Options Held

3.89M

View Full List

About INTUITIVE SURGICAL INC

Ticker ISRG
Exchange NASDAQ
Sector Healthcare
Industry Medical Instruments & Supplies
Shares Outstandng 353,384,992
Market Cap $193B
Description
Intuitive Surgical, Inc. develops, manufactures, and markets products that enable physicians and healthcare providers to enhance the quality of and access to minimally invasive care in the United States and internationally. The company offers the da Vinci Surgical System to enable complex surgery using a minimally invasive approach; and Ion endo...

More about ISRG

Track David A. Siegel's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Two Sigma Advisers, LP, based on Form 13F filings with the SEC.

News

Stay updated on Two Sigma Advisers, LP and David A. Siegel with notifications on news.

Account