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Mather Group’s Tandem Diabetes Care TNDM Stock Holding History

Mather Group’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
2025
Q4 		– Sell
-175
Closed -$2.13K – 1554
2025
Q3 		$2.13K Buy
+175
New +$2.37K ﹤0.01% 1530
2025
Q2 		– Sell
-345
Closed -$6.61K – 1619
2025
Q1 		$6.61K Buy
345
+175
+103% +$5.12K ﹤0.01% 1350
2024
Q4 		$6.12K Hold
170
– – ﹤0.01% 1342
2024
Q3 		$7.21K Hold
170
– – ﹤0.01% 1236
2024
Q2 		$6.02K Hold
170
– – ﹤0.01% 1575
2024
Q1 		$5.03K Buy
+170
New +$4.55K ﹤0.01% 1350

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
ACH
ArrowMark Colorado Holdings Denver, Colorado $2.4B AUM 42.85% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $627M AUM 43.41% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

Mather Group's TNDM Position: Q4 2025 in Review

Mather Group sold out of Tandem Diabetes Care (TNDM) in Q4 2025, closing a stake of 175 shares — an estimated $2.13K sold.

Mather Group first reported a position in TNDM in Q1 2024 and held it in 6 quarters. The position peaked at $7.21K in Q3 2024. 268 funds tracked by Wall St. Rank hold TNDM as of Q4 2025.

  • Mather Group reported no remaining Tandem Diabetes Care position as of Q4 2025 after selling out during the quarter.
  • Mather Group sold 175 Tandem Diabetes Care shares in Q4 2025, an estimated $2.13K.
  • Mather Group first reported a position in Tandem Diabetes Care in Q1 2024 and held it in 6 quarters.
  • Mather Group's Tandem Diabetes Care position peaked at $7.21K in Q3 2024.
  • 268 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q4 2025.

Based on Mather Group's 13F filing for Q4 2025, filed 13 Jan 2026.