Gilder Gagnon Howe & CO LLC Tandem Diabetes Care Inc Transaction History

Gilder Gagnon Howe & CO LLC

$7.87 Billion
Q3 2024

A detailed history of Gilder Gagnon Howe & CO LLC transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Gilder Gagnon Howe & CO LLC holds 872,974 shares of TNDM stock, worth $32.8 Million. This represents 0.47% of its overall portfolio holdings.

Number of Shares

872,974

Previous 1,028,633 15.13%

Holding current value

$32.8 Million

Previous $41.4 Million 10.69%

% of portfolio

0.47%

Previous 0.55%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2024 Nov 14, 2024	SELL	$35.21 - $47.3 $5.48 Million - $7.36 Million	-155,659 Reduced 15.13%	872,974 $37 Million
Q2 2024 Aug 14, 2024	BUY	$30.43 - $53.43 $3.99 Million - $7.01 Million	131,245 Added 14.63%	1,028,633 $41.4 Million
Q1 2024 May 15, 2024	BUY	$22.09 - $35.41 $19.4 Million - $31.1 Million	879,312 Added 4864.53%	897,388 $31.8 Million
Q4 2023 Feb 14, 2024	BUY	$14.28 - $31.03 $258,125 - $560,898	18,076 New	18,076 $534,000
Q2 2023 Aug 14, 2023	BUY	$24.18 - $42.46 $65,527 - $115,066	2,710 New	2,710 $66,000
Q3 2022 Nov 14, 2022	SELL	$43.76 - $68.97 $5.54 Million - $8.72 Million	-126,493 Reduced 36.94%	215,980 $10.3 Million
Q2 2022 Aug 15, 2022	SELL	$53.22 - $123.09 $21.5 Million - $49.7 Million	-403,851 Reduced 54.11%	342,473 $20.3 Million
Q1 2022 May 16, 2022	SELL	$101.89 - $150.09 $2.3 Million - $3.39 Million	-22,582 Reduced 2.94%	746,324 $86.8 Million
Q4 2021 Feb 14, 2022	SELL	$118.18 - $153.21 $1.43 Million - $1.85 Million	-12,100 Reduced 1.55%	768,906 $116 Million
Q3 2021 Nov 15, 2021	SELL	$93.51 - $129.4 $894,049 - $1.24 Million	-9,561 Reduced 1.21%	781,006 $93.2 Million
Q2 2021 Aug 16, 2021	BUY	$77.0 - $100.19 $701,316 - $912,530	9,108 Added 1.17%	790,567 $77 Million
Q1 2021 May 17, 2021	SELL	$81.28 - $104.34 $49.5 Million - $63.5 Million	-609,058 Reduced 43.8%	781,459 $69 Million
Q4 2020 Feb 16, 2021	SELL	$86.4 - $121.75 $850,521 - $1.2 Million	-9,844 Reduced 0.7%	1,390,517 $133 Million
Q3 2020 Nov 16, 2020	SELL	$95.43 - $116.09 $2.07 Million - $2.52 Million	-21,696 Reduced 1.53%	1,400,361 $159 Million
Q2 2020 Aug 14, 2020	BUY	$60.05 - $98.92 $9.33 Million - $15.4 Million	155,311 Added 12.26%	1,422,057 $141 Million
Q1 2020 May 15, 2020	BUY	$47.37 - $90.04 $1.67 Million - $3.17 Million	35,180 Added 2.86%	1,266,746 $81.5 Million
Q4 2019 Feb 14, 2020	BUY	$53.13 - $71.19 $32.1 Million - $43.1 Million	604,955 Added 96.54%	1,231,566 $73.4 Million
Q3 2019 Nov 14, 2019	SELL	$57.11 - $73.3 $483,607 - $620,704	-8,468 Reduced 1.33%	626,611 $37 Million
Q2 2019 Aug 13, 2019	BUY	$54.41 - $71.7 $5.36 Million - $7.06 Million	98,425 Added 18.34%	635,079 $41 Million
Q1 2019 May 17, 2019	BUY	$32.25 - $73.56 $13.5 Million - $30.8 Million	418,388 Added 353.77%	536,654 $34.1 Million
Q4 2018 Feb 14, 2019	BUY	$28.45 - $40.65 $3.25 Million - $4.64 Million	114,215 Added 2819.43%	118,266 $4.49 Million
Q3 2018 Oct 30, 2018	BUY	$21.39 - $51.17 $86,650 - $207,289	4,051 New	4,051 $174,000

Others Institutions Holding TNDM

# of Institutions

353

Shares Held

71.8M

Call Options Held

3.36M

Put Options Held

229K

View Full List

About TANDEM DIABETES CARE INC

Ticker TNDM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 64,221,200
Market Cap $2.41B
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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Gilder Gagnon Howe & CO LLC Tandem Diabetes Care Inc Transaction History