Westfield Capital Management CO LP Tandem Diabetes Care Inc Transaction History

Westfield Capital Management CO LP

$21.2 Billion
Q3 2024

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2022 Nov 14, 2022	SELL	$43.76 - $68.97 $266,717 - $420,372	-6,095 Reduced 1.42%	421,743 $20.2 Million
Q2 2022 Aug 12, 2022	BUY	$53.22 - $123.09 $4.46 Million - $10.3 Million	83,795 Added 24.36%	427,838 $25.3 Million
Q1 2022 May 16, 2022	BUY	$101.89 - $150.09 $2.25 Million - $3.31 Million	22,053 Added 6.85%	344,043 $40 Million
Q4 2021 Feb 10, 2022	SELL	$118.18 - $153.21 $1.07 Million - $1.38 Million	-9,037 Reduced 2.73%	321,990 $48.5 Million
Q3 2021 Nov 12, 2021	SELL	$93.51 - $129.4 $6.07 Million - $8.41 Million	-64,954 Reduced 16.4%	331,027 $39.5 Million
Q2 2021 Aug 10, 2021	SELL	$77.0 - $100.19 $1.58 Million - $2.05 Million	-20,468 Reduced 4.91%	395,981 $38.6 Million
Q1 2021 May 14, 2021	BUY	$81.28 - $104.34 $2.93 Million - $3.76 Million	36,017 Added 9.47%	416,449 $36.8 Million
Q4 2020 Feb 12, 2021	BUY	$86.4 - $121.75 $11.3 Million - $15.9 Million	130,862 Added 52.43%	380,432 $36.4 Million
Q3 2020 Nov 13, 2020	SELL	$95.43 - $116.09 $1.32 Million - $1.61 Million	-13,863 Reduced 5.26%	249,570 $28.3 Million
Q2 2020 Aug 13, 2020	SELL	$60.05 - $98.92 $2.17 Million - $3.58 Million	-36,207 Reduced 12.08%	263,433 $26.1 Million
Q1 2020 May 14, 2020	BUY	$47.37 - $90.04 $13.8 Million - $26.2 Million	291,120 Added 3416.9%	299,640 $19.3 Million
Q4 2019 Feb 13, 2020	BUY	$53.13 - $71.19 $3,506 - $4,698	66 Added 0.78%	8,520 $508,000
Q3 2019 Nov 08, 2019	BUY	$57.11 - $73.3 $14,505 - $18,618	254 Added 3.1%	8,454 $499,000
Q2 2019 Aug 13, 2019	BUY	$54.41 - $71.7 $217,640 - $286,800	4,000 Added 95.24%	8,200 $529,000
Q1 2019 May 14, 2019	BUY	$32.25 - $73.56 $135,450 - $308,952	4,200 New	4,200 $267,000
Q2 2018 Aug 13, 2018	SELL	$4.9 - $23.64 $373,870 - $1.8 Million	-76,300 Closed	0 $0
Q1 2018 May 14, 2018	BUY	$2.35 - $4.96 $179,305 - $378,448	76,300 New	76,300 $378,000

Others Institutions Holding TNDM

# of Institutions

352

Shares Held

73M

Call Options Held

3.36M

Put Options Held

229K

Black Rock Inc. New York, NY

11.1M
Shares

$412 Million
0.01% of portfolio
Vanguard Group Inc Valley Forge, PA

7.36M
Shares

$273 Million
0.01% of portfolio
Capital World Investors Los Angeles, CA

3.27M
Shares

$121 Million
0.02% of portfolio
State Street Corp Boston, MA

2.66M
Shares

$98.4 Million
0.0% of portfolio
Arrow Mark Colorado Holdings LLC Denver, CO

2.39M
Shares

$88.5 Million
1.44% of portfolio

View Full List

About TANDEM DIABETES CARE INC

Ticker TNDM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 64,221,200
Market Cap $2.38B
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...

More about TNDM

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Westfield Capital Management CO LP, based on Form 13F filings with the SEC.

News

Stay updated on Westfield Capital Management CO LP with notifications on news.

Account