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TNDM icon

AlphaQuest’s Tandem Diabetes Care TNDM Stock Holding History

AlphaQuest’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 		– Sell
-35,634
Closed -$783K – 1899
2025
Q4 		$783K Buy
35,634
+12,724
+56% +$230K 0.04% 548
2025
Q3 		$278K Buy
22,910
+5,539
+32% +$75K 0.02% 1209
2025
Q2 		$324K Buy
17,371
+8,810
+103% +$174K 0.03% 841
2025
Q1 		$164K Buy
8,561
+7,630
+820% +$223K 0.02% 1076
2024
Q4 		$33.5K Buy
931
+541
+139% +$18.3K ﹤0.01% 1362
2024
Q3 		$16.5K Sell
390
-5,502
-93% -$233K ﹤0.01% 1520
2024
Q2 		$237K Buy
5,892
+5,234
+795% +$218K 0.03% 697
2024
Q1 		$23.3K Buy
+658
New +$17.6K ﹤0.01% 1021

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
ACH
ArrowMark Colorado Holdings Denver, Colorado $2.4B AUM 42.85% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

AlphaQuest's TNDM Position: Q1 2026 in Review

AlphaQuest sold out of Tandem Diabetes Care (TNDM) in Q1 2026, closing a stake of 35,634 shares — an estimated $783K sold.

AlphaQuest first reported a position in TNDM in Q1 2024 and held it in 8 quarters. The position peaked at $783K in Q4 2025. 273 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • AlphaQuest reported no remaining Tandem Diabetes Care position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 35,634 Tandem Diabetes Care shares in Q1 2026, an estimated $783K.
  • AlphaQuest first reported a position in Tandem Diabetes Care in Q1 2024 and held it in 8 quarters.
  • AlphaQuest's Tandem Diabetes Care position peaked at $783K in Q4 2025.
  • 273 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.