Capital Fund Management (CFM)
TNDM icon

Capital Fund Management (CFM)’s Tandem Diabetes Care TNDM Stock Holding History

Capital Fund Management (CFM)’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
2021
Q1 		– Sell
-10,200
Closed -$976K – 1605
2020
Q4 		$976K Buy
+10,200
New +$1.05M 0.01% 997
2019
Q1 		– Sell
-8,800
Closed -$334K – 2087
2018
Q4 		$334K Buy
+8,800
New +$311K ﹤0.01% 1561

Other funds holding TNDM

BlackRock
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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 $3.38T AUM 44.17% 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

Capital Fund Management (CFM)'s TNDM Position: Q1 2026 in Review

Capital Fund Management (CFM) sold out of Tandem Diabetes Care (TNDM) in Q1 2026, closing a stake of 38,400 shares — an estimated $844K sold.

Capital Fund Management (CFM) first reported a position in TNDM in Q2 2019 and held it in 21 quarters. The position peaked at $13M in Q4 2022. 274 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • Capital Fund Management (CFM) reported no remaining Tandem Diabetes Care position as of Q1 2026 after selling out during the quarter.
  • Capital Fund Management (CFM) sold 38,400 Tandem Diabetes Care shares in Q1 2026, an estimated $844K.
  • Capital Fund Management (CFM) first reported a position in Tandem Diabetes Care in Q2 2019 and held it in 21 quarters.
  • Capital Fund Management (CFM)'s Tandem Diabetes Care position peaked at $13M in Q4 2022.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on Capital Fund Management (CFM)'s 13F filing for Q1 2026, filed 14 May 2026.