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Brown Capital Management’s Tandem Diabetes Care TNDM Stock Holding History

Brown Capital Management’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
2025
Q4 		– Sell
-363,352
Closed -$4.41M – 58
2025
Q3 		$4.41M Sell
363,352
-187,855
-34% -$2.54M 0.18% 49
2025
Q2 		$10.3M Sell
551,207
-39,807
-7% -$788K 0.3% 46
2025
Q1 		$11.3M Sell
591,014
-51,006
-8% -$1.49M 0.34% 50
2024
Q4 		$23.1M Sell
642,020
-97,076
-13% -$3.28M 0.54% 44
2024
Q3 		$31.3M Sell
739,096
-175,359
-19% -$7.44M 0.67% 38
2024
Q2 		$36.8M Sell
914,455
-40,112
-4% -$1.67M 0.74% 36
2024
Q1 		$33.8M Buy
954,567
+219,940
+30% +$5.89M 0.6% 39
2023
Q4 		$21.7M Sell
734,627
-829,915
-53% -$17.2M 0.33% 41
2023
Q3 		$32.5M Sell
1,564,542
-27,187
-2% -$747K 0.5% 38
2023
Q2 		$39.1M Sell
1,591,729
-579,044
-27% -$18.6M 0.55% 36
2023
Q1 		$88.2M Buy
2,170,773
+155,374
+8% +$6.43M 1.32% 27
2022
Q4 		$90.6M Buy
2,015,399
+5,169
+0.3% +$234K 1.5% 25
2022
Q3 		$96.2M Buy
2,010,230
+317,416
+19% +$17.4M 1.35% 27
2022
Q2 		$100M Buy
1,692,814
+473,867
+39% +$38.9M 1.34% 29
2022
Q1 		$142M Buy
1,218,947
+30,299
+3% +$3.54M 1.41% 26
2021
Q4 		$179M Sell
1,188,648
-35,118
-3% -$4.74M 1.48% 26
2021
Q3 		$146M Sell
1,223,766
-2,350
-0.2% -$259K 1.2% 29
2021
Q2 		$119M Sell
1,226,116
-3,186
-0.3% -$284K 0.91% 34
2021
Q1 		$108M Buy
1,229,302
+6,093
+0.5% +$566K 0.81% 37
2020
Q4 		$117M Buy
1,223,209
+4,468
+0.4% +$460K 0.81% 33
2020
Q3 		$138M Sell
1,218,741
-1,105
-0.1% -$116K 1.15% 27
2020
Q2 		$121M Buy
1,219,846
+110,463
+10% +$8.81M 1.04% 28
2020
Q1 		$71.4M Buy
1,109,383
+199,391
+22% +$14M 0.83% 32
2019
Q4 		$54.2M Buy
+909,992
New +$56.1M 0.52% 36

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
ACH
ArrowMark Colorado Holdings Denver, Colorado $2.4B AUM 42.85% 1-Year Est. Return
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
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $627M AUM 43.41% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

Brown Capital Management's TNDM Position: Q4 2025 in Review

Brown Capital Management sold out of Tandem Diabetes Care (TNDM) in Q4 2025, closing a stake of 363,352 shares — an estimated $4.41M sold.

Brown Capital Management first reported a position in TNDM in Q4 2019 and held it in 24 quarters. The position peaked at $179M in Q4 2021. 268 funds tracked by Wall St. Rank hold TNDM as of Q4 2025.

  • Brown Capital Management reported no remaining Tandem Diabetes Care position as of Q4 2025 after selling out during the quarter.
  • Brown Capital Management sold 363,352 Tandem Diabetes Care shares in Q4 2025, an estimated $4.41M.
  • Brown Capital Management first reported a position in Tandem Diabetes Care in Q4 2019 and held it in 24 quarters.
  • Brown Capital Management's Tandem Diabetes Care position peaked at $179M in Q4 2021.
  • 268 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q4 2025.

Based on Brown Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.