AssetMark Inc
TNDM icon

AssetMark Inc’s Tandem Diabetes Care TNDM Stock Holding History

AssetMark Inc’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
Q3 		$37K Buy
2,271
+521
+30% +$9.8K ﹤0.01% 1999
2026
Q2 		$26.4K Hold
1,750
– – ﹤0.01% 2079
2026
Q1 		$33.5K Hold
1,750
– – ﹤0.01% 1878
2025
Q4 		$38.5K Hold
1,750
– – ﹤0.01% 1798
2025
Q3 		$21.2K Hold
1,750
– – ﹤0.01% 1898
2025
Q2 		$32.6K Hold
1,750
– – ﹤0.01% 1681
2025
Q1 		$33.5K Buy
1,750
+525
+43% +$15.4K ﹤0.01% 1555
2024
Q4 		$44.1K Buy
1,225
+535
+78% +$18.1K ﹤0.01% 1455
2024
Q3 		$29.3K Buy
+690
New +$29.3K ﹤0.01% 1417

Other funds holding TNDM

Paradice Investment Management
Paradice Investment Management Denver, Colorado $594M AUM 28.38% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $72.4B AUM 24.61% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
Jefferies Financial Group
Jefferies Financial Group New York $13.5B AUM 36.68% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Fideuram Asset Management (Ireland)
Fideuram Asset Management (Ireland) Dublin 1 $4.57B AUM 30.36% 1-Year Est. Return
Inspire Investing
Inspire Investing Meridian, Idaho $2.37B AUM 29.82% 1-Year Est. Return
Hussman Strategic Advisors
Hussman Strategic Advisors Ellicott City, Maryland $469M AUM 10.16% 1-Year Est. Return

AssetMark Inc's TNDM Position: Q3 2026 in Review

AssetMark Inc increased its Tandem Diabetes Care (TNDM) stake by 30% in Q3 2026, buying an estimated $9.8K and bringing the position to 2,271 shares worth $37K. The position accounts for ﹤0.01% of the portfolio, ranked #1999.

AssetMark Inc first reported a position in TNDM in Q3 2024 and has held it in 9 quarters since. The position peaked at $44.1K in Q4 2024. 100 funds tracked by Wall St. Rank hold TNDM as of Q3 2026.

  • AssetMark Inc held 2,271 shares of Tandem Diabetes Care worth $37K as of Q3 2026.
  • AssetMark Inc bought 521 Tandem Diabetes Care shares in Q3 2026, an estimated $9.8K.
  • Tandem Diabetes Care made up ﹤0.01% of AssetMark Inc's portfolio in Q3 2026, its #1999 holding.
  • AssetMark Inc first reported a position in Tandem Diabetes Care in Q3 2024 and has held it in 9 quarters since.
  • AssetMark Inc's Tandem Diabetes Care position peaked at $44.1K in Q4 2024.
  • 100 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q3 2026.

Based on AssetMark Inc's 13F filing for Q3 2026, filed 21 Oct 2026.