Simplex Trading, LLC Dexcom Inc Transaction History

Simplex Trading, LLC

$175 Billion
Q2 2025

A detailed history of Simplex Trading, LLC transactions in Dexcom Inc stock. As of the latest transaction made, Simplex Trading, LLC holds 28,566 shares of DXCM stock, worth $1.57 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

28,566

Previous 33,813 15.52%

Holding current value

$1.57 Million

Previous $2.31 Million 7.97%

% of portfolio

0.0%

Previous 0.0%

21 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 05, 2025	SELL	$59.83 - $87.57 $313,928 - $459,479	-5,247 Reduced 15.52%	28,566 $2.49 Million
Q1 2025 May 12, 2025	SELL	$67.74 - $90.75 $1.55 Million - $2.08 Million	-22,874 Reduced 40.35%	33,813 $2.31 Million
Q4 2024 Feb 11, 2025	BUY	$65.68 - $81.01 $1.97 Million - $2.43 Million	29,958 Added 112.08%	56,687 $4.41 Million
Q3 2024 Nov 08, 2024	BUY	$64.0 - $116.06 $318,720 - $577,978	4,980 Added 22.9%	26,729 $1.79 Million
Q2 2024 Jul 25, 2024	BUY	$110.31 - $140.45 $708,410 - $901,969	6,422 Added 41.9%	21,749 $2.47 Million
Q1 2024 Apr 25, 2024	BUY	$114.22 - $140.1 $1.75 Million - $2.15 Million	15,327 New	15,327 $2.13 Million
Q3 2021 Oct 28, 2021	SELL	$106.71 - $143.18 $80,032 - $107,385	-750 Reduced 11.57%	5,733 $2.45 Million
Q2 2021 Aug 12, 2021	BUY	$80.99 - $107.93 $525,058 - $699,710	6,483 New	6,483 $2.77 Million
Q1 2021 Apr 26, 2021	SELL	$84.79 - $104.74 $951,513 - $1.18 Million	-11,222 Closed	0 $0
Q4 2020 Feb 02, 2021	BUY	$78.0 - $104.5 $212,082 - $284,135	2,719 Added 31.98%	11,222 $4.15 Million
Q3 2020 Oct 14, 2020	BUY	$95.51 - $112.95 $320,818 - $379,399	3,359 Added 65.3%	8,503 $3.51 Million
Q2 2020 Jul 13, 2020	SELL	$62.68 - $105.34 $287,325 - $482,878	-4,584 Reduced 47.12%	5,144 $521,000
Q1 2020 Apr 29, 2020	BUY	$47.79 - $75.63 $412,332 - $652,535	8,628 Added 784.36%	9,728 $2.62 Million
Q4 2019 Feb 05, 2020	SELL	$36.62 - $57.29 $140,181 - $219,306	-3,828 Reduced 77.68%	1,100 $240,000
Q3 2019 Oct 15, 2019	BUY	$35.53 - $43.8 $175,091 - $215,846	4,928 New	4,928 $183,000
Q2 2019 Jul 26, 2019	SELL	$27.84 - $38.92 $317,014 - $443,182	-11,387 Closed	0 $0
Q1 2019 Apr 18, 2019	BUY	$28.07 - $38.18 $197,921 - $269,207	7,051 Added 162.62%	11,387 $0
Q4 2018 Jan 16, 2019	SELL	$26.99 - $37.37 $47,907 - $66,331	-1,775 Reduced 29.05%	4,336 $519,000
Q3 2018 Oct 23, 2018	BUY	$23.35 - $36.72 $142,691 - $224,395	6,111 New	6,111 $874,000
Q2 2018 Jul 30, 2018	SELL	$17.54 - $25.22 $285,726 - $410,833	-16,290 Closed	0 $0
Q1 2018 Apr 26, 2018	BUY	$13.06 - $18.54 $212,747 - $302,016	16,290 New	16,290 $1.21 Million

Others Institutions Holding DXCM

# of Institutions

1,092

Shares Held

369M

Call Options Held

5.36M

Put Options Held

4.98M

View Full List

About DEXCOM INC

Ticker DXCM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 386,257,984
Market Cap $21.2B
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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Simplex Trading, LLC Dexcom Inc Transaction History