A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 77,200 shares of TNDM stock, worth $2.86 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
77,200
Previous 101,100 23.64%
Holding current value
$2.86 Million
Previous $4.07 Million 19.64%
% of portfolio
0.0%
Previous 0.0%

Shares

26 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$35.21 - $47.3 $51.4 Million - $69.1 Million
-1,460,918 Reduced 80.77%
347,823 $14.7 Million
Q2 2024

Aug 14, 2024

BUY
$30.43 - $53.43 $37.8 Million - $66.3 Million
1,241,673 Added 218.96%
1,808,741 $72.9 Million
Q1 2024

May 15, 2024

BUY
$22.09 - $35.41 $4.56 Million - $7.31 Million
206,355 Added 57.21%
567,068 $20.1 Million
Q4 2023

Feb 14, 2024

SELL
$14.28 - $31.03 $4.06 Million - $8.83 Million
-284,651 Reduced 44.11%
360,713 $10.7 Million
Q3 2023

Nov 14, 2023

BUY
$19.33 - $36.22 $9.17 Million - $17.2 Million
474,239 Added 277.13%
645,364 $13.4 Million
Q2 2023

Aug 14, 2023

SELL
$24.18 - $42.46 $215,927 - $379,167
-8,930 Reduced 4.96%
171,125 $4.2 Million
Q1 2023

May 15, 2023

SELL
$35.86 - $46.5 $3.1 Million - $4.03 Million
-86,564 Reduced 32.47%
180,055 $7.31 Million
Q4 2022

Feb 14, 2023

SELL
$35.49 - $56.15 $1.53 Million - $2.42 Million
-43,187 Reduced 13.94%
266,619 $12 Million
Q3 2022

Nov 14, 2022

BUY
$43.76 - $68.97 $11.6 Million - $18.2 Million
264,506 Added 583.9%
309,806 $14.8 Million
Q2 2022

Aug 15, 2022

SELL
$53.22 - $123.09 $24.9 Million - $57.7 Million
-468,688 Reduced 91.19%
45,300 $2.68 Million
Q1 2022

May 16, 2022

SELL
$101.89 - $150.09 $30 Million - $44.1 Million
-294,141 Reduced 36.4%
513,988 $59.8 Million
Q4 2021

Feb 14, 2022

BUY
$118.18 - $153.21 $69.1 Million - $89.6 Million
585,013 Added 262.2%
808,129 $122 Million
Q3 2021

Nov 15, 2021

SELL
$93.51 - $129.4 $16.3 Million - $22.6 Million
-174,268 Reduced 43.85%
223,116 $26.6 Million
Q2 2021

Aug 16, 2021

SELL
$77.0 - $100.19 $19.5 Million - $25.4 Million
-253,100 Reduced 38.91%
397,384 $38.7 Million
Q1 2021

May 17, 2021

BUY
$81.28 - $104.34 $36.3 Million - $46.6 Million
446,808 Added 219.37%
650,484 $57.4 Million
Q4 2020

Feb 16, 2021

BUY
$86.4 - $121.75 $993,859 - $1.4 Million
11,503 Added 5.99%
203,676 $19.5 Million
Q3 2020

Nov 16, 2020

BUY
$95.43 - $116.09 $13.1 Million - $16 Million
137,688 Added 252.71%
192,173 $21.8 Million
Q2 2020

Aug 14, 2020

BUY
$60.05 - $98.92 $231,612 - $381,534
3,857 Added 7.62%
54,485 $5.39 Million
Q1 2020

May 15, 2020

SELL
$47.37 - $90.04 $10.9 Million - $20.7 Million
-229,565 Reduced 81.93%
50,628 $3.26 Million
Q4 2019

Feb 14, 2020

SELL
$53.13 - $71.19 $16 Million - $21.5 Million
-301,858 Reduced 51.86%
280,193 $16.7 Million
Q3 2019

Nov 14, 2019

BUY
$57.11 - $73.3 $12.6 Million - $16.2 Million
220,486 Added 60.98%
582,051 $34.3 Million
Q2 2019

Aug 14, 2019

BUY
$54.41 - $71.7 $12.1 Million - $15.9 Million
221,726 Added 158.56%
361,565 $23.3 Million
Q1 2019

May 15, 2019

BUY
$32.25 - $73.56 $604,010 - $1.38 Million
18,729 Added 15.46%
139,839 $0
Q4 2018

Feb 14, 2019

SELL
$28.45 - $40.65 $5.65 Million - $8.07 Million
-198,596 Reduced 62.12%
121,110 $4.6 Million
Q3 2018

Nov 13, 2018

BUY
$21.39 - $51.17 $2.89 Million - $6.9 Million
134,942 Added 73.03%
319,706 $0
Q2 2018

Aug 10, 2018

BUY
$4.9 - $23.64 $905,343 - $4.37 Million
184,764 New
184,764 $0

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 $2.38B
  • 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
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