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Fortitude Family Office’s Tandem Diabetes Care TNDM Stock Holding History

Fortitude Family Office’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
Q1 		$1.86K Hold
97
– – ﹤0.01% 1312
2025
Q4 		$2.13K Buy
+97
New +$1.75K ﹤0.01% 1150
2025
Q3 		– Sell
-82
Closed -$1.53K – 2141
2025
Q2 		$1.53K Buy
+82
New +$1.62K ﹤0.01% 1323
2025
Q1 		– Sell
-21
Closed -$756 – 1273
2024
Q4 		$756 Hold
21
– – ﹤0.01% 1174
2024
Q3 		$891 Buy
+21
New +$890 ﹤0.01% 1110

Other funds holding TNDM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
ACH
ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
GKIM
GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Fortitude Family Office's TNDM Position: Q1 2026 in Review

Fortitude Family Office held its Tandem Diabetes Care (TNDM) position steady in Q1 2026 at 97 shares worth $1.86K. The position accounts for ﹤0.01% of the portfolio, ranked #1312.

Fortitude Family Office first reported a position in TNDM in Q3 2024 and has held it in 5 quarters since. The position peaked at $2.13K in Q4 2025. 272 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • Fortitude Family Office held 97 shares of Tandem Diabetes Care worth $1.86K as of Q1 2026.
  • Fortitude Family Office left its Tandem Diabetes Care share count unchanged in Q1 2026.
  • Tandem Diabetes Care made up ﹤0.01% of Fortitude Family Office's portfolio in Q1 2026, its #1312 holding.
  • Fortitude Family Office first reported a position in Tandem Diabetes Care in Q3 2024 and has held it in 5 quarters since.
  • Fortitude Family Office's Tandem Diabetes Care position peaked at $2.13K in Q4 2025.
  • 272 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on Fortitude Family Office's 13F filing for Q1 2026, filed 16 Apr 2026.