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
2026
Q1 		– Sell
-38,400
Closed -$844K – 2542
2025
Q4 		$844K Sell
38,400
-132,709
-78% -$2.4M ﹤0.01% 2079
2025
Q3 		$2.08M Sell
171,109
-91,322
-35% -$1.24M 0.01% 1774
2025
Q2 		$4.89M Buy
262,431
+223,574
+575% +$4.43M 0.01% 1153
2025
Q1 		$745K Sell
38,857
-161,420
-81% -$4.72M ﹤0.01% 1751
2024
Q4 		$7.21M Buy
200,277
+107,587
+116% +$3.64M 0.02% 906
2024
Q3 		$3.93M Buy
+92,690
New +$3.93M 0.01% 1134
2024
Q2 		– Sell
-61,870
Closed -$2.19M – 2172
2024
Q1 		$2.19M Buy
+61,870
New +$1.66M 0.01% 1397
2023
Q4 		– Sell
-22,342
Closed -$464K – 2294
2023
Q3 		$464K Sell
22,342
-118,603
-84% -$3.26M ﹤0.01% 1809
2023
Q2 		$3.46M Sell
140,945
-64,749
-31% -$2.08M 0.01% 990
2023
Q1 		$8.35M Sell
205,694
-83,889
-29% -$3.47M 0.04% 544
2022
Q4 		$13M Buy
289,583
+78,414
+37% +$3.55M 0.09% 321
2022
Q3 		$10.1M Buy
211,169
+92,288
+78% +$5.06M 0.08% 325
2022
Q2 		$7.04M Buy
118,881
+68,827
+138% +$5.65M 0.06% 419
2022
Q1 		$5.82M Sell
50,054
-608
-1% -$71K 0.05% 515
2021
Q4 		$7.63M Buy
50,662
+35,568
+236% +$4.8M 0.05% 479
2021
Q3 		$1.8M Buy
+15,094
New +$1.66M 0.01% 987
2020
Q3 		– Sell
-21,227
Closed -$2.1M – 1394
2020
Q2 		$2.1M Sell
21,227
-99,352
-82% -$7.93M 0.03% 479
2020
Q1 		$7.76M Buy
120,579
+50,432
+72% +$3.53M 0.12% 231
2019
Q4 		$4.18M Buy
70,147
+24,399
+53% +$1.5M 0.03% 594
2019
Q3 		$2.7M Buy
45,748
+25,481
+126% +$1.63M 0.02% 694
2019
Q2 		$1.31M Buy
+20,267
New +$1.31M 0.01% 929

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 $3.38T 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.