Advisors Asset Management’s Tandem Diabetes Care TNDM Stock Holding History

Advisors Asset 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 Q2	$191K	Sell	12,637 -10,704	-46%	-$187K	﹤0.01%	1174
2026 Q1	$447K	Sell	23,341 -435	-2%	-$9.45K	0.01%	996
2025 Q4	$523K	Sell	23,776 -536	-2%	-$9.67K	0.01%	940
2025 Q3	$295K	Sell	24,312 -689	-3%	-$9.33K	0.01%	1062
2025 Q2	$466K	Buy	25,001 +2,541	+11%	+$50.3K	0.01%	967
2025 Q1	$430K	Buy	22,460 +1,664	+8%	+$48.7K	0.01%	967
2024 Q4	$749K	Buy	20,796 +10,596	+104%	+$358K	0.01%	822
2024 Q3	$433K	Buy	10,200 +1,525	+18%	+$64.7K	0.01%	973
2024 Q2	$350K	Buy	+8,675	New	+$362K	0.01%	979

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

Advisors Asset Management's TNDM Position: Q2 2026 in Review

Advisors Asset Management reduced its Tandem Diabetes Care (TNDM) stake by 46% in Q2 2026, selling an estimated $187K and leaving 12,637 shares worth $191K. The position accounts for ﹤0.01% of the portfolio, ranked #1174.

Advisors Asset Management first reported a position in TNDM in Q2 2024 and has held it in 9 quarters since. The position peaked at $749K in Q4 2024. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

Advisors Asset Management held 12,637 shares of Tandem Diabetes Care worth $191K as of Q2 2026.
Advisors Asset Management sold 10,704 Tandem Diabetes Care shares in Q2 2026, an estimated $187K.
Tandem Diabetes Care made up ﹤0.01% of Advisors Asset Management's portfolio in Q2 2026, its #1174 holding.
Advisors Asset Management first reported a position in Tandem Diabetes Care in Q2 2024 and has held it in 9 quarters since.
Advisors Asset Management's Tandem Diabetes Care position peaked at $749K in Q4 2024.
274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Advisors Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.