Tarbox Family Office’s Tandem Diabetes Care TNDM Stock Holding History

Tarbox Family Office’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
2025 Q1	–	Sell	-5,601	Closed	-$202K	–	110
2024 Q4	$202K	Hold	5,601	–	–	0.03%	107
2024 Q3	$238K	Hold	5,601	–	–	0.04%	104
2024 Q2	$226K	Buy	+5,601	New	+$234K	0.04%	100
2023 Q2	–	Sell	-5,509	Closed	-$224K	–	102
2023 Q1	$224K	Buy	5,509 +11	+0.2%	+$455	0.05%	91
2022 Q4	$247K	Buy	+5,498	New	+$249K	0.05%	86
2022 Q3	–	Sell	-5,514	Closed	-$326K	–	101
2022 Q2	$326K	Buy	+5,514	New	+$453K	0.07%	82
2021 Q1	–	Sell	-5,498	Closed	-$526K	–	1173
2020 Q4	$526K	Hold	5,498	–	–	0.11%	61
2020 Q3	$624K	Hold	5,498	–	–	0.15%	50
2020 Q2	$544K	Hold	5,498	–	–	0.14%	50
2020 Q1	$354K	Hold	5,498	–	–	0.11%	69
2019 Q4	$328K	Sell	5,498 -282	-5%	-$17.4K	0.09%	85
2019 Q3	$341K	Hold	5,780	–	–	0.1%	63
2019 Q2	$373K	Hold	5,780	–	–	0.12%	57
2019 Q1	$367K	Buy	5,780 +600	+12%	+$31.5K	0.13%	57
2018 Q4	$197K	Sell	5,180 -790	-13%	-$27.9K	0.08%	82
2018 Q3	$256K	Hold	5,970	–	–	0.09%	74
2018 Q2	$131K	Hold	5,970	–	–	0.05%	108
2018 Q1	$30K	Hold	5,970	–	–	0.01%	199
2017 Q4	$14K	Buy	+5,970	New	+$18.7K	0.01%	281

Other funds holding TNDM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return

GKIM

GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return

ACH

ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

HRCM

Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return

SIMG

Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

PIM

Paradice Investment Management Denver, Colorado $532M AUM 29.6% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Tarbox Family Office's TNDM Position: Q1 2025 in Review

Tarbox Family Office sold out of Tandem Diabetes Care (TNDM) in Q1 2025, closing a stake of 5,601 shares — an estimated $202K sold.

Tarbox Family Office first reported a position in TNDM in Q4 2017 and held it in 19 quarters. The position peaked at $624K in Q3 2020. 275 funds tracked by Wall St. Rank hold TNDM as of Q1 2025.

Tarbox Family Office reported no remaining Tandem Diabetes Care position as of Q1 2025 after selling out during the quarter.
Tarbox Family Office sold 5,601 Tandem Diabetes Care shares in Q1 2025, an estimated $202K.
Tarbox Family Office first reported a position in Tandem Diabetes Care in Q4 2017 and held it in 19 quarters.
Tarbox Family Office's Tandem Diabetes Care position peaked at $624K in Q3 2020.
275 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2025.

Based on Tarbox Family Office's 13F filing for Q1 2025, filed 8 May 2025.