Vanguard Group Inc Tandem Diabetes Care Inc Transaction History

Vanguard Group Inc

$6.44 Trillion
Q3 2025

A detailed history of Vanguard Group Inc transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Vanguard Group Inc holds 7,063,314 shares of TNDM stock, worth $131 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

7,063,314

Previous 7,369,830 4.16%

Holding current value

$131 Million

Previous $137 Million 37.58%

% of portfolio

0.0%

Previous 0.0%

18 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 07, 2025	SELL	$10.12 - $17.24 $3.1 Million - $5.28 Million	-306,516 Reduced 4.16%	7,063,314 $85.7 Million
Q2 2025 Aug 11, 2025	BUY	$16.35 - $23.52 $1.27 Million - $1.83 Million	77,661 Added 1.06%	7,369,830 $137 Million
Q1 2025 May 09, 2025	SELL	$17.89 - $37.53 $2.64 Million - $5.55 Million	-147,836 Reduced 1.99%	7,292,169 $140 Million
Q4 2024 Feb 11, 2025	BUY	$27.34 - $41.78 $2.12 Million - $3.24 Million	77,451 Added 1.05%	7,440,005 $268 Million
Q3 2024 Nov 13, 2024	SELL	$35.21 - $47.3 $543,924 - $730,690	-15,448 Reduced 0.21%	7,362,554 $312 Million
Q2 2024 Aug 13, 2024	BUY	$30.43 - $53.43 $9.9 Million - $17.4 Million	325,432 Added 4.61%	7,378,002 $297 Million
Q1 2024 May 10, 2024	BUY	$22.09 - $35.41 $677,367 - $1.09 Million	30,664 Added 0.44%	7,052,570 $250 Million
Q4 2023 Feb 14, 2024	BUY	$14.28 - $31.03 $265,193 - $576,258	18,571 Added 0.27%	7,021,906 $208 Million
Q3 2023 Nov 14, 2023	SELL	$19.33 - $36.22 $184,949 - $346,552	-9,568 Reduced 0.14%	7,003,335 $145 Million
Q2 2023 Aug 14, 2023	SELL	$24.18 - $42.46 $835,999 - $1.47 Million	-34,574 Reduced 0.49%	7,012,903 $172 Million
Q1 2023 May 15, 2023	BUY	$35.86 - $46.5 $33 Million - $42.8 Million	920,248 Added 15.02%	7,047,477 $286 Million
Q4 2022 Feb 10, 2023	SELL	$35.49 - $56.15 $2.38 Million - $3.76 Million	-67,047 Reduced 1.08%	6,127,229 $275 Million
Q3 2022 Nov 14, 2022	SELL	$43.76 - $68.97 $7.85 Million - $12.4 Million	-179,317 Reduced 2.81%	6,194,276 $296 Million
Q2 2022 Aug 12, 2022	BUY	$53.22 - $123.09 $3.56 Million - $8.23 Million	66,869 Added 1.06%	6,373,593 $377 Million
Q1 2022 May 13, 2022	BUY	$101.89 - $150.09 $14.9 Million - $22 Million	146,577 Added 2.38%	6,306,724 $733 Million
Q4 2021 Feb 14, 2022	BUY	$118.18 - $153.21 $12.9 Million - $16.7 Million	109,088 Added 1.8%	6,160,147 $927 Million
Q3 2021 Nov 12, 2021	BUY	$93.51 - $129.4 $41.8 Million - $57.8 Million	446,554 Added 7.97%	6,051,059 $722 Million
Q2 2021 Aug 13, 2021	BUY	$77.0 - $100.19 $432 Million - $562 Million	5,604,505 New	5,604,505 $546 Million

Others Institutions Holding TNDM

# of Institutions

289

Shares Held

74.1M

Call Options Held

2.95M

Put Options Held

376K

View Full List

About TANDEM DIABETES CARE INC

Ticker TNDM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 64,221,200
Market Cap $1.2B
Description
Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States and internationally. The company's flagship product is the t:slim X2 insulin delivery system, a pump platform that comprises t:slim X2 pump, its 300-unit disposable insulin c...

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Vanguard Group Inc Tandem Diabetes Care Inc Transaction History