Alberta Investment Management Corp (AIMCo)’s Tandem Diabetes Care TNDM Stock Holding History

Alberta Investment Management Corp (AIMCo)’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	$4.73M	Buy	+313,700	New	+$5.48M	0.03%	372
2024 Q1	–	Sell	-262,574	Closed	-$7.77M	–	1063
2023 Q4	$7.77M	Buy	262,574 +20,996	+9%	+$436K	0.07%	184
2023 Q3	$5.02M	Buy	241,578 +52,329	+28%	+$1.44M	0.05%	271
2023 Q2	$4.64M	Buy	+189,249	New	+$6.09M	0.04%	339
2019 Q4	–	Sell	-8,100	Closed	-$478K	–	1008
2019 Q3	$478K	Hold	8,100	–	–	﹤0.01%	760
2019 Q2	$523K	Hold	8,100	–	–	﹤0.01%	758
2019 Q1	$514K	Buy	+8,100	New	+$425K	﹤0.01%	750

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

Alberta Investment Management Corp (AIMCo)'s TNDM Position: Q2 2026 in Review

Alberta Investment Management Corp (AIMCo) opened a new position in Tandem Diabetes Care (TNDM) in Q2 2026: 313,700 shares worth $4.73M. The stake represents 0.03% of the portfolio and ranks #372 among its holdings. This is a return to the name: Alberta Investment Management Corp (AIMCo) previously reported a position in TNDM as recently as Q4 2023.

Alberta Investment Management Corp (AIMCo) first reported a position in TNDM in Q1 2019 and has held it in 7 quarters since. The position peaked at $7.77M in Q4 2023. 273 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

Alberta Investment Management Corp (AIMCo) held 313,700 shares of Tandem Diabetes Care worth $4.73M as of Q2 2026.
Tandem Diabetes Care was a new Alberta Investment Management Corp (AIMCo) position in Q2 2026.
Tandem Diabetes Care made up 0.03% of Alberta Investment Management Corp (AIMCo)'s portfolio in Q2 2026, its #372 holding.
Alberta Investment Management Corp (AIMCo) first reported a position in Tandem Diabetes Care in Q1 2019 and has held it in 7 quarters since.
Alberta Investment Management Corp (AIMCo)'s Tandem Diabetes Care position peaked at $7.77M in Q4 2023.
273 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q2 2026, filed 6 Aug 2026.