Frontier Capital Management’s Tandem Diabetes Care TNDM Stock Holding History

Frontier Capital Management’s Portfolio TNDM Stock Details TNDM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$7.61M	Sell	397,209 -15,060	-4%	-$327K	0.08%	254
2025 Q4	$9.06M	Sell	412,269 -3,075	-0.7%	-$55.5K	0.1%	248
2025 Q3	$5.04M	Buy	415,344 +51,246	+14%	+$694K	0.05%	275
2025 Q2	$6.79M	Sell	364,098 -1,078	-0.3%	-$21.4K	0.06%	267
2025 Q1	$7M	Buy	365,176 +93,088	+34%	+$2.72M	0.08%	238
2024 Q4	$9.8M	Buy	272,088 +91,227	+50%	+$3.09M	0.09%	220
2024 Q3	$7.67M	Sell	180,861 -1,363	-0.7%	-$57.8K	0.07%	230
2024 Q2	$7.34M	Sell	182,224 -2,114	-1%	-$88.2K	0.07%	231
2024 Q1	$6.53M	Buy	184,338 +38,429	+26%	+$1.03M	0.06%	235
2023 Q4	$4.32M	Buy	145,909 +69	+0%	+$1.43K	0.04%	238
2023 Q3	$3.03M	Sell	145,840 -1,453	-1%	-$39.9K	0.03%	246
2023 Q2	$3.61M	Sell	147,293 -1,512	-1%	-$48.6K	0.03%	239
2023 Q1	$6.04M	Buy	148,805 +34,641	+30%	+$1.43M	0.06%	220
2022 Q4	$5.13M	Sell	114,164 -337	-0.3%	-$15.3K	0.06%	230
2022 Q3	$5.48M	Buy	114,501 +49,812	+77%	+$2.73M	0.06%	231
2022 Q2	$3.83M	Sell	64,689 -1,857	-3%	-$152K	0.04%	251
2022 Q1	$7.74M	Sell	66,546 -242	-0.4%	-$28.3K	0.07%	229
2021 Q4	$10.1M	Sell	66,788 -938	-1%	-$127K	0.08%	222
2021 Q3	$8.09M	Sell	67,726 -1,829	-3%	-$202K	0.06%	234
2021 Q2	$6.78M	Sell	69,555 -3,821	-5%	-$341K	0.05%	257
2021 Q1	$6.47M	Sell	73,376 -40,708	-36%	-$3.78M	0.05%	244
2020 Q4	$10.9M	Sell	114,084 -27,097	-19%	-$2.79M	0.08%	224
2020 Q3	$16M	Sell	141,181 -12,471	-8%	-$1.31M	0.14%	180
2020 Q2	$15.2M	Sell	153,652 -17,603	-10%	-$1.4M	0.13%	186
2020 Q1	$11M	Sell	171,255 -3,744	-2%	-$262K	0.12%	183
2019 Q4	$10.4M	Sell	174,999 -25,866	-13%	-$1.6M	0.08%	221
2019 Q3	$11.8M	Sell	200,865 -197,343	-50%	-$12.6M	0.09%	214
2019 Q2	$25.7M	Sell	398,208 -473,313	-54%	-$30.5M	0.19%	159
2019 Q1	$55.3M	Sell	871,521 -441,364	-34%	-$23.2M	0.39%	102
2018 Q4	$49.9M	Sell	1,312,885 -143,493	-10%	-$5.07M	0.4%	97
2018 Q3	$62.4M	Sell	1,456,378 -1,177,078	-45%	-$41.1M	0.4%	96
2018 Q2	$58M	Sell	2,633,456 -87,481	-3%	-$1.08M	0.41%	94
2018 Q1	$13.5M	Buy	2,720,937 +2,248,382	+476%	+$7.25M	0.1%	217
2017 Q4	$1.11M	Sell	472,555 -11,480	-2%	-$36.1K	0.01%	280
2017 Q3	$3.53M	Sell	484,035 -6,202	-1%	-$39.3K	0.03%	273
2017 Q2	$3.92M	Buy	490,237 +50	+0%	+$462	0.03%	277
2017 Q1	$5.88M	Buy	490,187 +380,895	+349%	+$8.33M	0.04%	262
2016 Q4	$2.35M	Sell	109,292 -3,053	-3%	-$117K	0.02%	277
2016 Q3	$8.61M	Sell	112,345 -124	-0.1%	-$9.04K	0.07%	247
2016 Q2	$8.48M	Sell	112,469 -3,323	-3%	-$267K	0.07%	247
2016 Q1	$10.1M	Sell	115,792 -5,357	-4%	-$469K	0.08%	241
2015 Q4	$14.3M	Sell	121,149 -54,530	-31%	-$5.41M	0.12%	217
2015 Q3	$15.5M	Buy	175,679 +182	+0.1%	+$21.2K	0.13%	218
2015 Q2	$19M	Buy	175,497 +13,926	+9%	+$1.73M	0.14%	213
2015 Q1	$20.4M	Buy	+161,571	New	+$21M	0.15%	213