Harbour Investments’s Tandem Diabetes Care TNDM Stock Holding History

Harbour Investments’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 Q2	$3.08K	Hold	204	–	–	﹤0.01%	3877
2026 Q1	$3.91K	Hold	204	–	–	﹤0.01%	3683
2025 Q4	$4.48K	Hold	204	–	–	﹤0.01%	3054
2025 Q3	$2.48K	Hold	204	–	–	﹤0.01%	3219
2025 Q2	$3.8K	Hold	204	–	–	﹤0.01%	2971
2025 Q1	$3.91K	Hold	204	–	–	﹤0.01%	2907
2024 Q4	$7.35K	Hold	204	–	–	﹤0.01%	2591
2024 Q3	$8.65K	Hold	204	–	–	﹤0.01%	2419
2024 Q2	$8.22K	Buy	204 +4	+2%	+$167	﹤0.01%	2340
2024 Q1	$7.08K	Hold	200	–	–	﹤0.01%	2346
2023 Q4	$5.92K	Sell	200 -66	-25%	-$1.37K	﹤0.01%	2353
2023 Q3	$5.53K	Hold	266	–	–	﹤0.01%	2235
2023 Q2	$6.53K	Hold	266	–	–	﹤0.01%	2194
2023 Q1	$10.8K	Sell	266 -6	-2%	-$248	﹤0.01%	1979
2022 Q4	$12.2K	Sell	272 -44	-14%	-$1.99K	﹤0.01%	1870
2022 Q3	$19K	Hold	316	–	–	﹤0.01%	1687
2022 Q2	$19K	Buy	+316	New	+$25.9K	﹤0.01%	1687
2021 Q4	$48K	Sell	316 -452	-59%	-$61K	﹤0.01%	1288
2021 Q3	$92K	Sell	768 -485	-39%	-$53.4K	﹤0.01%	1425
2021 Q2	$122K	Hold	1,253	–	–	﹤0.01%	1296
2021 Q1	$111K	Buy	+1,253	New	+$116K	﹤0.01%	1251

Other funds holding TNDM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

FLAM

First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

GKIM

GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

PIM

Paradice Investment Management Denver, Colorado $627M AUM 43.41% 1-Year Est. Return

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Harbour Investments's TNDM Position: Q2 2026 in Review

Harbour Investments held its Tandem Diabetes Care (TNDM) position steady in Q2 2026 at 204 shares worth $3.08K. The position accounts for ﹤0.01% of the portfolio, ranked #3877.

Harbour Investments first reported a position in TNDM in Q1 2021 and has held it in 21 quarters since. The position peaked at $122K in Q2 2021. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

Harbour Investments held 204 shares of Tandem Diabetes Care worth $3.08K as of Q2 2026.
Harbour Investments left its Tandem Diabetes Care share count unchanged in Q2 2026.
Tandem Diabetes Care made up ﹤0.01% of Harbour Investments's portfolio in Q2 2026, its #3877 holding.
Harbour Investments first reported a position in Tandem Diabetes Care in Q1 2021 and has held it in 21 quarters since.
Harbour Investments's Tandem Diabetes Care position peaked at $122K in Q2 2021.
274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.