Marshall Wace, LLP Dexcom Inc Transaction History

Marshall Wace, LLP

$90.8 Billion
Q3 2025

A detailed history of Marshall Wace, LLP transactions in Dexcom Inc stock. As of the latest transaction made, Marshall Wace, LLP holds 1,709,315 shares of DXCM stock, worth $99.2 Million. This represents 0.13% of its overall portfolio holdings.

Number of Shares

1,709,315

Previous 3,822,085 55.28%

Holding current value

$99.2 Million

Previous $334 Million 65.52%

% of portfolio

0.13%

Previous 0.41%

23 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$66.46 - $89.53 $140 Million - $189 Million	-2,112,770 Reduced 55.28%	1,709,315 $115 Million
Q2 2025 Aug 13, 2025	BUY	$59.83 - $87.57 $165 Million - $242 Million	2,762,504 Added 260.72%	3,822,085 $334 Million
Q1 2025 May 15, 2025	BUY	$67.74 - $90.75 $35.2 Million - $47.2 Million	520,286 Added 96.48%	1,059,581 $72.4 Million
Q4 2024 Feb 13, 2025	BUY	$65.68 - $81.01 $18.1 Million - $22.3 Million	275,295 Added 104.28%	539,295 $41.9 Million
Q3 2024 Nov 14, 2024	SELL	$64.0 - $116.06 $5.59 Million - $10.1 Million	-87,305 Reduced 24.85%	264,000 $17.7 Million

Q2 2024 Aug 14, 2024	BUY	$110.31 - $140.45 $9.63 Million - $12.3 Million	87,305 Added 33.07%	351,305 $39.8 Million
Q1 2024 May 15, 2024	SELL	$114.22 - $140.1 $52.1 Million - $63.9 Million	-456,393 Reduced 63.35%	264,000 $36.6 Million
Q4 2023 Feb 14, 2024	SELL	$75.49 - $124.16 $35.5 Million - $58.4 Million	-470,411 Reduced 39.5%	720,393 $89.4 Million
Q3 2023 Nov 14, 2023	SELL	$86.06 - $137.93 $38.7 Million - $62 Million	-449,790 Reduced 27.42%	1,190,804 $111 Million
Q2 2023 Aug 14, 2023	SELL	$112.47 - $130.98 $148 Million - $172 Million	-1,315,849 Reduced 44.51%	1,640,594 $211 Million
Q1 2023 May 15, 2023	BUY	$104.0 - $122.92 $206 Million - $243 Million	1,976,587 Added 201.72%	2,956,443 $343 Million
Q4 2022 Feb 14, 2023	BUY	$84.98 - $122.67 $79.8 Million - $115 Million	938,909 Added 2292.99%	979,856 $111 Million
Q3 2022 Nov 14, 2022	SELL	$76.35 - $94.18 $6 Million - $7.4 Million	-78,578 Reduced 65.74%	40,947 $3.3 Million
Q2 2022 Aug 15, 2022	BUY	$67.99 - $132.89 $8.13 Million - $15.9 Million	119,525 New	119,525 $8.91 Million
Q1 2022 May 16, 2022	SELL	$94.08 - $130.2 $5.02 Million - $6.94 Million	-53,318 Closed	0 $0
Q4 2021 Feb 14, 2022	BUY	$129.87 - $162.82 $6.92 Million - $8.68 Million	53,318 New	53,318 $28.6 Million
Q2 2021 Aug 13, 2021	SELL	$80.99 - $107.93 $1.53 Million - $2.04 Million	-18,862 Closed	0 $0
Q1 2021 May 17, 2021	BUY	$84.79 - $104.74 $1.43 Million - $1.77 Million	16,854 Added 839.34%	18,862 $6.78 Million
Q4 2020 Feb 16, 2021	BUY	$78.0 - $104.5 $156,624 - $209,836	2,008 New	2,008 $742,000
Q2 2020 Aug 13, 2020	SELL	$62.68 - $105.34 $38,172 - $64,152	-609 Closed	0 $0
Q1 2020 May 15, 2020	BUY	$47.79 - $75.63 $29,104 - $46,058	609 New	609 $164,000
Q1 2019 May 14, 2019	SELL	$28.07 - $38.18 $3.28 Million - $4.46 Million	-116,823 Closed	0 $0
Q4 2018 Feb 14, 2019	BUY	$26.99 - $37.37 $3.15 Million - $4.37 Million	116,823 New	116,823 $14 Million

Others Institutions Holding DXCM

# of Institutions

1,089

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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Marshall Wace, LLP Dexcom Inc Transaction History