Jim Simons Dexcom Inc Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Dexcom Inc stock. As of the latest transaction made, Renaissance Technologies LLC holds 841,564 shares of DXCM stock, worth $48.9 Million. This represents 0.08% of its overall portfolio holdings.

Number of Shares

841,564

Previous 697,802 20.6%

Holding current value

$48.9 Million

Previous $60.9 Million 7.03%

% of portfolio

0.08%

Previous 0.09%

26 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	BUY	$66.46 - $89.53 $9.55 Million - $12.9 Million	143,762 Added 20.6%	841,564 $56.6 Million
Q2 2025 Aug 13, 2025	BUY	$59.83 - $87.57 $4.01 Million - $5.87 Million	67,028 Added 10.63%	697,802 $60.9 Million
Q1 2025 May 14, 2025	SELL	$67.74 - $90.75 $17.6 Million - $23.5 Million	-259,100 Reduced 29.12%	630,774 $43.1 Million
Q4 2024 Feb 13, 2025	BUY	$65.68 - $81.01 $3.87 Million - $4.77 Million	58,902 Added 7.09%	889,874 $69.2 Million
Q3 2024 Nov 13, 2024	BUY	$64.0 - $116.06 $23.6 Million - $42.8 Million	368,400 Added 79.64%	830,972 $55.7 Million

Q2 2024 Aug 09, 2024	SELL	$110.31 - $140.45 $42.5 Million - $54.1 Million	-385,100 Reduced 45.43%	462,572 $52.4 Million
Q1 2024 May 13, 2024	BUY	$114.22 - $140.1 $96.5 Million - $118 Million	844,972 Added 31295.26%	847,672 $118 Million
Q4 2023 Feb 13, 2024	BUY	$75.49 - $124.16 $203,823 - $335,232	2,700 New	2,700 $335,000
Q2 2023 Aug 11, 2023	SELL	$112.47 - $130.98 $13.7 Million - $15.9 Million	-121,600 Reduced 41.9%	168,600 $21.7 Million
Q1 2023 May 12, 2023	BUY	$104.0 - $122.92 $22.1 Million - $26.2 Million	212,900 Added 275.42%	290,200 $33.7 Million
Q4 2022 Feb 13, 2023	BUY	$84.98 - $122.67 $6.07 Million - $8.76 Million	71,400 Added 1210.17%	77,300 $8.75 Million
Q3 2022 Nov 14, 2022	SELL	$76.35 - $94.18 $67.9 Million - $83.7 Million	-888,672 Reduced 99.34%	5,900 $475,000
Q2 2022 Aug 12, 2022	BUY	$67.99 - $132.89 $59.2 Million - $116 Million	871,372 Added 3755.91%	894,572 $66.7 Million
Q1 2022 May 13, 2022	SELL	$94.08 - $130.2 $11 Million - $15.2 Million	-116,743 Reduced 83.42%	23,200 $11.9 Million
Q4 2021 Feb 11, 2022	BUY	$129.87 - $162.82 $18.2 Million - $22.8 Million	139,943 New	139,943 $75.1 Million
Q2 2021 Aug 13, 2021	SELL	$80.99 - $107.93 $11.7 Million - $15.5 Million	-144,043 Closed	0 $0
Q1 2021 May 13, 2021	SELL	$84.79 - $104.74 $12 Million - $14.8 Million	-140,966 Reduced 49.46%	144,043 $51.8 Million
Q4 2020 Feb 10, 2021	SELL	$78.0 - $104.5 $34.9 Million - $46.7 Million	-446,967 Reduced 61.06%	285,009 $105 Million
Q3 2020 Nov 13, 2020	SELL	$95.51 - $112.95 $43.1 Million - $51 Million	-451,100 Reduced 38.13%	731,976 $302 Million
Q2 2020 Aug 13, 2020	BUY	$62.68 - $105.34 $14.7 Million - $24.6 Million	233,747 Added 24.62%	1,183,076 $480 Million
Q1 2020 May 14, 2020	BUY	$47.79 - $75.63 $11.9 Million - $18.8 Million	249,086 Added 35.57%	949,329 $256 Million
Q4 2019 Feb 13, 2020	BUY	$36.62 - $57.29 $23.6 Million - $36.9 Million	644,843 Added 1163.98%	700,243 $153 Million
Q3 2019 Nov 13, 2019	SELL	$35.53 - $43.8 $8.72 Million - $10.8 Million	-245,543 Reduced 81.59%	55,400 $8.27 Million
Q2 2019 Aug 12, 2019	SELL	$27.84 - $38.92 $26.8 Million - $37.4 Million	-961,198 Reduced 76.16%	300,943 $45.1 Million
Q1 2019 May 14, 2019	BUY	$28.07 - $38.18 $8.07 Million - $11 Million	287,553 Added 29.51%	1,262,141 $150 Million
Q4 2018 Feb 13, 2019	BUY	$26.99 - $37.37 $26.3 Million - $36.4 Million	974,588 New	974,588 $117 Million

Others Institutions Holding DXCM

# of Institutions

1,091

Shares Held

445M

Call Options Held

6.78M

Put Options Held

7.25M

View Full List

About DEXCOM INC

Ticker DXCM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 386,257,984
Market Cap $22.4B
Description
DexCom, Inc., a medical device company, focuses on the design, development, and commercialization of continuous glucose monitoring (CGM) systems in the United States and internationally. The company provides its systems for use by people with diabetes, as well as for use by healthcare providers. Its products include DexCom G6, an integrated CGM ...

More about DXCM

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