Frontier Capital Management CO LLC Tandem Diabetes Care Inc Transaction History

Frontier Capital Management CO LLC

  • $10 Billion
  • Q3 2025

A detailed history of Frontier Capital Management CO LLC transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Frontier Capital Management CO LLC holds 415,344 shares of TNDM stock, worth $7.73 Million. This represents 0.05% of its overall portfolio holdings.

Number of Shares
415,344
Previous 364,098 14.07%
Holding current value
$7.73 Million
Previous $6.79 Million 25.7%
% of portfolio
0.05%
Previous 0.07%

Shares

33 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025
BUY
$10.12 - $17.24 $518,609 - $883,481
51,246 Added 14.07%
415,344 $5.04 Million
Q2 2025

Aug 14, 2025
SELL
$16.35 - $23.52 $17,625 - $25,354
-1,078 Reduced 0.3%
364,098 $6.79 Million
Q1 2025

May 15, 2025
BUY
$17.89 - $37.53 $1.67 Million - $3.49 Million
93,088 Added 34.21%
365,176 $7 Million
Q4 2024

Feb 14, 2025
BUY
$27.34 - $41.78 $2.49 Million - $3.81 Million
91,227 Added 50.44%
272,088 $9.8 Million
Q3 2024

Nov 14, 2024
SELL
$35.21 - $47.3 $47,991 - $64,469
-1,363 Reduced 0.75%
180,861 $7.67 Million
Q2 2024

Aug 14, 2024
SELL
$30.43 - $53.43 $64,329 - $112,951
-2,114 Reduced 1.15%
182,224 $7.34 Million
Q1 2024

May 15, 2024
BUY
$22.09 - $35.41 $848,896 - $1.36 Million
38,429 Added 26.34%
184,338 $6.53 Million
Q4 2023

Feb 14, 2024
BUY
$14.28 - $31.03 $985 - $2,141
69 Added 0.05%
145,909 $4.32 Million
Q3 2023

Nov 14, 2023
SELL
$19.33 - $36.22 $28,086 - $52,627
-1,453 Reduced 0.99%
145,840 $3.03 Million
Q2 2023

Aug 14, 2023
SELL
$24.18 - $42.46 $36,560 - $64,199
-1,512 Reduced 1.02%
147,293 $3.61 Million
Q1 2023

May 15, 2023
BUY
$35.86 - $46.5 $1.24 Million - $1.61 Million
34,641 Added 30.34%
148,805 $6.04 Million
Q4 2022

Feb 14, 2023
SELL
$35.49 - $56.15 $11,960 - $18,922
-337 Reduced 0.29%
114,164 $5.13 Million
Q3 2022

Nov 14, 2022
BUY
$43.76 - $68.97 $2.18 Million - $3.44 Million
49,812 Added 77.0%
114,501 $5.48 Million
Q2 2022

Jul 20, 2022
SELL
$53.22 - $123.09 $98,829 - $228,578
-1,857 Reduced 2.79%
64,689 $3.83 Million
Q1 2022

Apr 14, 2022
SELL
$101.89 - $150.09 $24,657 - $36,321
-242 Reduced 0.36%
66,546 $7.74 Million
Q4 2021

Jan 19, 2022
SELL
$118.18 - $153.21 $110,852 - $143,710
-938 Reduced 1.38%
66,788 $10.1 Million
Q3 2021

Oct 19, 2021
SELL
$93.51 - $129.4 $171,029 - $236,672
-1,829 Reduced 2.63%
67,726 $8.09 Million
Q2 2021

Aug 09, 2021
SELL
$77.0 - $100.19 $294,217 - $382,825
-3,821 Reduced 5.21%
69,555 $6.78 Million
Q1 2021

May 13, 2021
SELL
$81.28 - $104.34 $3.31 Million - $4.25 Million
-40,708 Reduced 35.68%
73,376 $6.48 Million
Q4 2020

Jan 19, 2021
SELL
$86.4 - $121.75 $2.34 Million - $3.3 Million
-27,097 Reduced 19.19%
114,084 $10.9 Million
Q3 2020

Nov 16, 2020
SELL
$95.43 - $116.09 $1.19 Million - $1.45 Million
-12,471 Reduced 8.12%
141,181 $16 Million
Q2 2020

Jul 17, 2020
SELL
$60.05 - $98.92 $1.06 Million - $1.74 Million
-17,603 Reduced 10.28%
153,652 $15.2 Million
Q1 2020

Apr 16, 2020
SELL
$47.37 - $90.04 $177,353 - $337,109
-3,744 Reduced 2.14%
171,255 $11 Million
Q4 2019

Feb 14, 2020
SELL
$53.13 - $71.19 $1.37 Million - $1.84 Million
-25,866 Reduced 12.88%
174,999 $10.4 Million
Q3 2019

Nov 14, 2019
SELL
$57.11 - $73.3 $11.3 Million - $14.5 Million
-197,343 Reduced 49.56%
200,865 $11.8 Million
Q2 2019

Aug 14, 2019
SELL
$54.41 - $71.7 $25.8 Million - $33.9 Million
-473,313 Reduced 54.31%
398,208 $25.7 Million
Q1 2019

May 07, 2019
SELL
$32.25 - $73.56 $14.2 Million - $32.5 Million
-441,364 Reduced 33.62%
871,521 $55.3 Million
Q4 2018

Jan 25, 2019
SELL
$28.45 - $40.65 $4.08 Million - $5.83 Million
-143,493 Reduced 9.85%
1,312,885 $49.9 Million
Q3 2018

Oct 30, 2018
SELL
$21.39 - $51.17 $25.2 Million - $60.2 Million
-1,177,078 Reduced 44.7%
1,456,378 $62.4 Million
Q2 2018

Aug 03, 2018
SELL
$4.9 - $23.64 $428,656 - $2.07 Million
-87,481 Reduced 3.22%
2,633,456 $58 Million
Q1 2018

Apr 30, 2018
BUY
$2.35 - $4.96 $5.28 Million - $11.2 Million
2,248,382 Added 475.79%
2,720,937 $13.5 Million
Q4 2017

Jan 18, 2018
SELL
$2.24 - $8.2 $9.78 Million - $35.8 Million
-4,367,797 Reduced 90.24%
472,555 $1.12 Million
Q3 2017

Oct 31, 2017
BUY
$3.9 - $10.1 $18.9 Million - $48.9 Million
4,840,352
4,840,352 $3.53 Million

Others Institutions Holding TNDM

# of Institutions
287
Shares Held
74.1M
Call Options Held
2.94M
Put Options Held
362K
View Full List

About TANDEM DIABETES CARE INC

TNDM Quotes by TradingView
  • 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...
More about TNDM
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