Hood River Capital Management LLC Tandem Diabetes Care Inc Transaction History

Hood River Capital Management LLC

$7.5 Billion
Q3 2025

A detailed history of Hood River Capital Management LLC transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Hood River Capital Management LLC holds 2,551,644 shares of TNDM stock, worth $47.5 Million. This represents 0.41% of its overall portfolio holdings.

Number of Shares

2,551,644

Previous 2,564,978 0.52%

Holding current value

$47.5 Million

Previous $47.8 Million 35.21%

% of portfolio

0.41%

Previous 0.77%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$10.12 - $17.24 $134,940 - $229,878	-13,334 Reduced 0.52%	2,551,644 $31 Million
Q2 2025 Aug 14, 2025	BUY	$16.35 - $23.52 $4.14 Million - $5.95 Million	252,934 Added 10.94%	2,564,978 $47.8 Million
Q1 2025 May 15, 2025	BUY	$17.89 - $37.53 $18.5 Million - $38.8 Million	1,033,997 Added 80.9%	2,312,044 $44.3 Million
Q4 2024 Feb 14, 2025	BUY	$27.34 - $41.78 $34.9 Million - $53.4 Million	1,278,047 New	1,278,047 $46 Million
Q2 2022 Aug 15, 2022	BUY	$53.22 - $123.09 $5 Million - $11.6 Million	93,940 Added 32.54%	382,658 $22.7 Million

Q1 2022 May 16, 2022	BUY	$101.89 - $150.09 $898,975 - $1.32 Million	8,823 Added 3.15%	288,718 $33.6 Million
Q4 2021 Feb 14, 2022	BUY	$118.18 - $153.21 $33.1 Million - $42.9 Million	279,895 New	279,895 $42.1 Million
Q4 2020 Feb 16, 2021	SELL	$86.4 - $121.75 $32 Million - $45.1 Million	-370,127 Closed	0 $0
Q3 2020 Nov 16, 2020	SELL	$95.43 - $116.09 $3.57 Million - $4.35 Million	-37,451 Reduced 9.19%	370,127 $42 Million
Q2 2020 Aug 14, 2020	SELL	$60.05 - $98.92 $897,627 - $1.48 Million	-14,948 Reduced 3.54%	407,578 $40.3 Million
Q1 2020 May 15, 2020	BUY	$47.37 - $90.04 $3.92 Million - $7.45 Million	82,763 Added 24.36%	422,526 $27.2 Million
Q4 2019 Feb 13, 2020	BUY	$53.13 - $71.19 $2.9 Million - $3.88 Million	54,552 Added 19.13%	339,763 $20.3 Million
Q3 2019 Nov 13, 2019	BUY	$57.11 - $73.3 $99,142 - $127,248	1,736 Added 0.61%	285,211 $16.8 Million
Q2 2019 Aug 13, 2019	SELL	$54.41 - $71.7 $3.82 Million - $5.04 Million	-70,233 Reduced 19.86%	283,475 $18.3 Million
Q1 2019 May 14, 2019	SELL	$32.25 - $73.56 $3.25 Million - $7.4 Million	-100,660 Reduced 22.15%	353,708 $22.5 Million
Q4 2018 Feb 13, 2019	BUY	$28.45 - $40.65 $161,539 - $230,810	5,678 Added 1.27%	454,368 $17.3 Million
Q3 2018 Nov 14, 2018	BUY	$21.39 - $51.17 $9.6 Million - $23 Million	448,690 New	448,690 $19.2 Million

Others Institutions Holding TNDM

# of Institutions

288

Shares Held

74.1M

Call Options Held

2.94M

Put Options Held

362K

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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Hood River Capital Management LLC Tandem Diabetes Care Inc Transaction History