A detailed history of Marshall Wace, LLP transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Marshall Wace, LLP holds 3,120,374 shares of TNDM stock, worth $126 Million. This represents 0.17% of its overall portfolio holdings.

Number of Shares
3,120,374
Previous 351,915 786.68%
Holding current value
$126 Million
Previous $10.4 Million 961.5%
% of portfolio
0.17%
Previous 0.02%

Shares

20 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024

BUY
$22.09 - $35.41 $61.2 Million - $98 Million
2,768,459 Added 786.68%
3,120,374 $110 Million
Q4 2023

Feb 14, 2024

BUY
$14.28 - $31.03 $2.47 Million - $5.36 Million
172,875 Added 96.56%
351,915 $10.4 Million
Q3 2023

Nov 14, 2023

SELL
$19.33 - $36.22 $9.24 Million - $17.3 Million
-478,121 Reduced 72.76%
179,040 $3.72 Million
Q2 2023

Aug 14, 2023

BUY
$24.18 - $42.46 $15.9 Million - $27.9 Million
657,161 New
657,161 $16.1 Million
Q4 2022

Feb 14, 2023

BUY
$35.49 - $56.15 $31.3 Million - $49.5 Million
881,307 New
881,307 $39.6 Million
Q2 2022

Aug 15, 2022

SELL
$53.22 - $123.09 $1.31 Million - $3.04 Million
-24,703 Closed
0 $0
Q1 2022

May 16, 2022

SELL
$101.89 - $150.09 $5.67 Million - $8.36 Million
-55,673 Reduced 69.27%
24,703 $2.87 Million
Q4 2021

Feb 14, 2022

BUY
$118.18 - $153.21 $7.63 Million - $9.89 Million
64,572 Added 408.58%
80,376 $12.1 Million
Q3 2021

Nov 15, 2021

BUY
$93.51 - $129.4 $1.48 Million - $2.05 Million
15,804 New
15,804 $1.89 Million
Q2 2021

Aug 13, 2021

SELL
$77.0 - $100.19 $369,215 - $480,411
-4,795 Closed
0 $0
Q1 2021

May 17, 2021

BUY
$81.28 - $104.34 $52,506 - $67,403
646 Added 15.57%
4,795 $424,000
Q4 2020

Feb 16, 2021

SELL
$86.4 - $121.75 $793,497 - $1.12 Million
-9,184 Reduced 68.88%
4,149 $397,000
Q3 2020

Nov 16, 2020

BUY
$95.43 - $116.09 $328,565 - $399,697
3,443 Added 34.81%
13,333 $1.51 Million
Q2 2020

Aug 13, 2020

BUY
$60.05 - $98.92 $593,894 - $978,318
9,890 New
9,890 $978,000
Q1 2020

May 15, 2020

SELL
$47.37 - $90.04 $243,481 - $462,805
-5,140 Closed
0 $0
Q4 2019

Feb 14, 2020

SELL
$53.13 - $71.19 $182,395 - $244,395
-3,433 Reduced 40.04%
5,140 $306,000
Q3 2019

Nov 14, 2019

BUY
$57.11 - $73.3 $162,135 - $208,098
2,839 Added 49.51%
8,573 $506,000
Q2 2019

Aug 14, 2019

BUY
$54.41 - $71.7 $311,986 - $411,127
5,734 New
5,734 $370,000
Q1 2019

May 14, 2019

SELL
$32.25 - $73.56 $474,042 - $1.08 Million
-14,699 Closed
0 $0
Q4 2018

Feb 14, 2019

BUY
$28.45 - $40.65 $418,186 - $597,514
14,699 New
14,699 $558,000

Others Institutions Holding TNDM

About TANDEM DIABETES CARE INC


  • Ticker TNDM
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Devices
  • Shares Outstandng 64,221,200
  • Market Cap $2.59B
  • 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
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