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
2023
Q1 		– Sell
-11,200
Closed -$503K – 1732
2022
Q4 		$503K Buy
+11,200
New +$507K ﹤0.01% 1276
2021
Q1 		– Sell
-35,500
Closed -$3.4M – 1604
2020
Q4 		$3.4M Buy
+35,500
New +$3.66M 0.03% 602
2019
Q3 		– Sell
-40,200
Closed -$2.59M – 1891
2019
Q2 		$2.59M Buy
+40,200
New +$2.59M 0.02% 724
2019
Q1 		– Sell
-6,400
Closed -$243K – 2086
2018
Q4 		$243K Buy
+6,400
New +$226K ﹤0.01% 1683

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

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. 272 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.
  • 272 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.