WAU
TNDM icon

Wellington-Altus USA’s Tandem Diabetes Care TNDM Stock Holding History

Wellington-Altus USA’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 		$22.1K Hold
1,151
– – 0.02% 483
2026
Q1 		$17.4K Buy
1,151
+343
+42% +$7.45K 0.01% 544
2025
Q4 		$17.8K Buy
+808
New +$14.6K 0.01% 511

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
Vanguard Portfolio Management
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
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
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
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Wellington-Altus USA's TNDM Position: Q2 2026 in Review

Wellington-Altus USA held its Tandem Diabetes Care (TNDM) position steady in Q2 2026 at 1,151 shares worth $22.1K. The position accounts for 0.02% of the portfolio, ranked #483.

Wellington-Altus USA first reported a position in TNDM in Q4 2025 and has held it in 3 quarters since. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Wellington-Altus USA held 1,151 shares of Tandem Diabetes Care worth $22.1K as of Q2 2026.
  • Wellington-Altus USA left its Tandem Diabetes Care share count unchanged in Q2 2026.
  • Tandem Diabetes Care made up 0.02% of Wellington-Altus USA's portfolio in Q2 2026, its #483 holding.
  • Wellington-Altus USA first reported a position in Tandem Diabetes Care in Q4 2025 and has held it in 3 quarters since.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Wellington-Altus USA's 13F filing for Q2 2026, filed 17 Sep 2026.